OA17036A - Solid forms of nematocidal sulfonamides. - Google Patents

Solid forms of nematocidal sulfonamides. Download PDF

Info

Publication number
OA17036A
OA17036A OA1201400157 OA17036A OA 17036 A OA17036 A OA 17036A OA 1201400157 OA1201400157 OA 1201400157 OA 17036 A OA17036 A OA 17036A
Authority
OA
OAPI
Prior art keywords
compound
chloro
polymorph
pyridine
trifluoromethyl
Prior art date
Application number
OA1201400157
Inventor
Richard A. Berger
Christian Hoffmann
William J. Marshall
Rafael Shapiro
Original Assignee
E. I. Du Pont De Nemours And Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by E. I. Du Pont De Nemours And Company filed Critical E. I. Du Pont De Nemours And Company
Publication of OA17036A publication Critical patent/OA17036A/en

Links

Abstract

Disclosed are solid forms of 8-chloro-N-[(2chloro-5-methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-imidazo[1,2-a]pyridine-2-carboxamide (compound 1). Methods for the preparation of solid forms of compound 1 and for the conversion of one solid form of compound 1 into another are disclosed. Disclosed are nematocidal compositions comprising a nematocidally effective amount of a solid form of compound 1 and at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers. Compositions comprising a mixture of a solid form of compound 1 and at least one other nematicide, insecticide and/or fungicide are also disclosed. Also disclosed are methods for protecting a plant from nematodes comprising applying to the plant, or portion, or seed thereof, or to the growing medium of the plant, a nematocidally effective amount of compound 1 comprising the polymorph form A.

Description

TITLE
SOLID FORMS OF NEMATOCIDAL SULFONAM1DES
FIELD OFTHE INVENTION
This Invention relates to solid forms of 8-chioro-N-[(2-chloro-5methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamÎde, their préparation, compositions, and methods of use as nematocides.
BACKGROUND OFTHE INVENTION
The solid state of chemical compounds can be amorphous (i.e. no long-range order in the positions of atoms) or crystalline (Le. atoms arranged In an orderly repeating pattern). The term “poiymorph refers to a particular crystal form (i.e. structure of crystal lattice) of a chemlcal compound that can exlst in more than one crystal form in the solid state. Polymorphs can differ in such chemlcal and physical (i.e. physlochemical) properties as crystal shape, density, hardness, color, chemical stability, melting point, hygroscopicity, suspensibility, solubility and dissolution rate, and such biological properties as biological avaliability, biological efficacy and toxicity.
Predicting physiochemical properties such as melting point or solubility for a crystal form in which the solid state of a chemical compound can exist remains Impossible. Furthermore, even predicting whether the solid state of a compound may be présent In more than one crystal form is not possible.
PCT Patent Publication WO 2010/129500 disdoses the nematocidal sulfonamide 8-chioro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-imidazo[1,2-a]-pyrldine2-carboxamide and methods for its préparation, as well as the utillty of this compound as a nematocide. New solid forms of this compound, their compositions and methods of their préparation and use hâve now been discovered.
SUMMARY OF THE INVENTION
This Invention relates to solid forms of 8-chloro-N-[(2-chloro-5methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamÎde (Compound 1). More particularly, this Invention Is directed to a poiymorph of Compound 1 designated Form A characterized by a powder X-ray diffraction pattern having at least the 2Θ reflection positions 30.367, 29.131, 27.995, 27.611, 26.49, 25.973, 25.604, 24.285, 23.582 and 19.789 degrees.
This Invention also relates to methods for the direct préparation of various solid forms of Compound 1 (i.e. not starting with other solid forms of Compound 1). More particularly, this Invention Is directed to a method for preparing a desired poiymorph of Compound 1 comprising: formlng a reaction mixture by contacting 2-chloro-5-methoxybenzene sulfonamîde and 8-chloro-6-trifluoromethyl-lmidazoI1,2-a]pyridine-2-carbonyl chloride In the presence of a first solvent to form a solid form of Compound 1 and then mixing the solid form of Compound 1 with a second solvent to convert the solid form to the poiymorph Form A. This invention also relates to methods for the conversion of one solid form of Compound 1 into another. More particuiarly, this invention is directed to a method for preparing a poiymorph of Compound 1 designated Form A, the method comprising: formlng a siurry with a solvent of one or more solid forms of Compound 1 selected from the group of forms B, C, D, solvatés, amorphous forms and mixtures thereof with Form A and maintalning the siurry while the solid forms of Compound 1 convert to poiymorph Form A.
This invention also relates to compounds used in the method for préparation of Compound 1 (i.e. 2-chloro-5-methoxybenzene sulfonamide and 8-chloro-6-trifluoromethylimldazoll ,2-a]pyridine-2-carbonyl chloride).
This Invention also relates to a nematocidal composition comprising (a) poiymorph Form A of Compound 1; and (b) at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers.
This invention also relates to a nematocidal composition comprising (a) poiymorph Form A of Compound 1; and (b) at least one other nematocide, Insecticide and/or fungicide.
This Invention further relates to a method protecting a plant from nematodes comprising applylng to the plant, or portion, or seed thereof, or to the growing medium of the plant, a nematocldally effective amount of Compound 1 comprising the poiymorph Form A.
• BRIEF DESCRIPTION OFTHE DRAWINGS
FIGURE 1 shows Cu(Ka1)-powder X-ray diffraction patterns of poiymorph Forms A, B, C, D and TS of Compound 1 showtng absolute X-ray Intensity in counts graphed against 2Θ reflection positions in degrees.
DETAILED DESCRIPTION OF THE INVENTION
As used herein, the terms ‘comprises, “comprising, includes, including, has, havlng, contains or containing or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of éléments is not necessarily limited to only those éléments but may include other éléments not expressly listed or inhérent to such composition, process, method, article, or apparatus. Further, unless expressly stated to the contrary, or refers to an inclusive or and not to an exclusive or. For example, a condition A or B is satisfied by any one of the following: A is true (or présent) and B is false (or not présent), A is false (or not présent) and B is true (or présent), and both A and B are true (or présent).
Also, the Indefinite articles a and an preceding an element or component of the invention are Intended to be nonrestrictive regarding the number of instances (Le. occurrences) of the element or component. Therefore a* or “an* should be read to include one or at least one, and the singular word form of the element or component also Indudes the plural unless the number is obvlously meant to be singular.
The word “nematocide is sometimes given the alternative spelling “nematicide in the art. A nematocide Is a compound used to control (Including prévention, réduction or élimination) parasitic nematodes.
As used to in the présent disclosure and claims, the term nematode refers to a living organism of the Phylum Nematoda. As generally defîned, a “parasite iives or grows inside or feeds on another living organism (such as a plant) described as the “host. As referred to in the présent disclosure and claims a parasitic nematode is particularly a nematode that injures or damages tissue or causes other forms of disease in plants.
An “infestation* refers to the presence of nematodes in numbers that pose a risk to plants. The presence can be in the environment, e.g., on an agricultural crop or other type of plant.
As referred to in the présent disclosure and claims, the terms “parasiticidal and “parasitiddally refers to observable effects on a parasitic nematode to provide protection of a plant from the nematode. Parasiticidal effects typically relate to diminishlng the occurrence or activity of the target parasitic nematode. Such effects on the nematode include necrosis, death, retarded growth, diminlshed mobility or lessened ability to remain on or in the host plant, reduced feeding and inhibition of reproduction. These effects on parasitic nematodes provide control (including prévention, réduction or élimination) of parasitic infestation of the plant. Therefore “control of a parasitic nematode means achievlng a parasiticidal effect on the nematode. The expressions “parasitiddally effective amount and “biologically effective amount in the context of applying a chemical compound to control a parasitic nematode refer an amount of the compound that is sufficient to control the parasitic nematode.
The term agronomie refers to the production of field crops such as for food and fïber and indudes the growth of soybeans and other legumes, cereal (e.g., wheat, oats, barley, rye, rice, maize/com), leafy vegetables (e.g., lettuce, cabbage, and other coie crops), fruiting vegetables (e.g., tomatoes, pepper, eggplant, crucifers and cucurbits), potatoes, sweet potatoes, grapes, cotton, tree fruits (e.g., pome, stone and citrus), small fruit (bernes, chemes) and other speclalty crops (e.g., canola, sunflower, olives).
The term nonagronomic refers to other than field crops, such as horticulture! crops (e.g., greenhouse, nursery or omamental plants not grown In a field), turf (e.g., sod farm, pasture, golf course, lawn, sports field, etc.), agro-forestry and végétation management.
As referred to in the présent disclosure and daims, plant’ includes members of Kingdom Piantae, particulariy seed plants (Spermatopsida), at ail life stages, Induding young plants (e.g., germinating seeds developing Into seedlings) and mature, reproductive stages (e.g., plants producing flowers and seeds). Portions of plants Include geotropic members typically growing beneath the surface of the growing medium such as roots, tubers, bulbs and corms, and also members growing above the growing medium, such as foliage (induding stems and leaves), flowers, fruits and seeds. Growing médiums Include soil, liquid nutrent médiums, gel nutrent médiums or soii mixes with peat, bark, saw dust, sand, pumice, periite, vermiculite and other similar produds. As referred to herein, the term seedling, used either alone or in a combination of words means a young plant developing from the embryo of a seed.
The term “water-miscible in the context of “water-miscible solvent means a liquid solvent (Induding mixtures of solvent compounds) that is completely soluble in water (and water soluble in the solvent) In ail proportions at the température of the (e.g., reaction) medium comprising the water-miscible solvent. Methanol, ethanoi, acetone and acetonitrile are exampies of water-miscible solvents.
Conversely, the term ’water-lmmiscible In the context of a substance that is a waterimmlscible organic compound, water-immiscible liquid component or water-immiscible liquid carrier” dénotés that the substance Is not soluble in water (and water soluble in the substance) in ail proportions at relevant températures (for formulated compositions around room température). Typically water-immiscible substances used as liquid carriers or other liquid components in formulated compositions hâve little water solubility and water has little solubility in the water-immiscible substances. Often water-immiscible substances used In formulation are soluble in water in an extent of less than about 1%, or less than about 0.1%, or even less than about 0.01% by weight at about 20 ’C.
The expression continuous liquid phase In the context of liquid formulated compositions refers to the ilquid phase formed by the liquid carrier. The continuous liquid phase provides the bulk liquid medium In which other formulating components are dissolved, dispersed (as solid particuiates) or emulsified (as liquid droplets). When the liquid carrier Is aqueous (water optionally containing dissolved water-soluble compounds), a liquid emulsified In the aqueous liquid carrier is formed by a water-immiscible liquid component.
The term room température as used in this disclosure refers to a température between about 18 ’C and about 26 ’C.
The term polymorph refers to a particular crystal form (i.e. structure of crystal lattice) of a chemical compound that can exist In more than one crystal form in the solid state.
Embodiments of the présent invention include:
Embodiment 1. The polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-lniidazo[1,2-a]pyridine-2-carboxamide (Compound 1) designated Form A In the Summary of the Invention and characterized by a room-temperature powder Cu(Ka1 ) X-ray diffraction pattern having at least the 2Θ reflection positions______________________
20 20
30.367 25.973
29.131 25.604
27.995 24.285
27.611 23.582
26.49 19.789
Embodiment 2. The polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-imidazo[1,2-a]pyridine-2-carboxamide (Compound 1) designated Form B In the Summary of the Invention and characterized by a -100 ’C slmulated Cu(Ka1) X-ray diffraction pattern having at least the 20 reflection positions_________________________________
20 20
28.242 20.999
25.978 18.981
25.06 18.12
24.583 17.219
23.082 7.998
Embodiment 3. The polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-lniidazo[1,2-a]pyridine-2-carboxamide (Compound 1) designated Form D in the Summary of the Invention and characterized by a 100 ’C simulated Cu(Ka1 ) X-ray diffraction pattern having at least the 20 reflection positions_________________________
20 20
27.323 18.398
25.581 17.821
20 20
23.958 14.558
22.459 12.182
20.68 5.943
Embodiment 4. The polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-imidazo[1,2-a]pyridine-2-carboxamide (Compound 1) designated Form TS in the Summary of the Invention and characterized by a room-temperature powder Cu(Ka1) X-ray diffraction pattern having at least the 20 reflection positions_____________________
20 20
28.913 22.429
26.942 20.325
25.672 19.053
24.451 18.603
23.316 12.871
Embodiment 5. The method described in the Summary of the Invention for preparing the polymorph Form A of Embodiment 1 comprising formlng a slurry with a solvent of one or more solid forms of Compound 1 selected from the group of forms B, C, D, solvatés, amorphous forms and mixtures thereof with Form A and maintaining the slurry while the solid forms of Compound 1 convert to polymorph Form A.
Embodiment 6. The method of Embodiment 5 wherein the solid form of Compound 1 comprises polymorph Form B.
Embodiment 7. The method of Embodiment 5 wherein the solid form of Compound 1 comprises polymorph Form C.
Embodiment 8. The method of Embodiment 5 wherein the solid form of Compound 1 comprises polymorph Form D.
Embodiment 9. The method of Embodiment 5 wherein the solid form of Compound 1 comprises polymorph Form TS.
Embodiment 10. The method of Embodiment 5 wherein the solid forms of Compound 1 comprises a mixture of polymorphs Form A and Form B.
Embodiment 11. The method of any one of Embodiments 5 through 10 wherein the slurry is heated to a température between 30 eC and the boiling point of the solvent and agitated.
Embodiment 11a. The method of any one of Embodiments 5 through 11 wherein the slurry is heated to a température between 55 ’C and 100 °C and agitated.
Embodiment 11 b. The method of any one of Embodiments 5 through 11a wherein the slurry is heated to a température between 65 ’C and 95 ’C and agitated.
Embodiment 12. The method of any one of Embodiments 5 through 10 wherein the slurry is agitated.
Embodiment 13. The method of any one of Embodiments 5 through 12 wherein the solvent comprises water, a C5-C3 alkane, a C1-C4 alkanol or a C3-C4 ketone.
Embodiment 14. The method of Embodiment 13 wherein the solvent comprises water, n-heptane, methanol or acetone.
Embodiment 15. The method of Embodiment 14 wherein the solvent comprises water, methanol or acetone.
Embodiment 16. The method of Embodiment 15 wherein the solvent comprises water or methanol.
Embodiment 17. The method of Embodiment 16 wherein the solvent comprises water. Embodiment 18. The method described in the Summary of the Invention for preparing the polymorph Form A of Compound 1 comprising, (A) contacting 8-chloro-6trifluoromethy1-lmidazo[1,2-a]pyridine-2-carbonyl chloride or a sait thereof and 2chloro-5-methoxybenzene sulfonamide in the presence of a first solvent to form a reaction mixture containing an intermediate solid form of Compound 1, (B) • separating the Intermediate solid form of Compound 1, and (C) contacting the Intermediate solid form of Compound 1 with a second solvent optionally heated to a température between 30 ’C and the boiling point of the second solvent to convert the Intermediate solid form to the polymorph Form A of Compound 1.
Embodiment 19. The method of Embodiment 18 wherein 8-chloro-6-trifluoromethy1imldazo[1,2-a]pyridine-2-carbony1 chloride Is prepared by contacting 8-chloro-6(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid with a chlorinating agent.
Embodiment 20. The method of Embodiment 19 whereln the chlorinating agent is thionyl chloride, oxaiyl chloride or phosgene.
Embodiment 21. The method of Embodiment 20 wherein the chlorinating agent Is thionyl chloride.
Embodiment 21a. The method of any one of Embodiments 19 through 21 wherein the moiar ratio of the chlorinating agent to 8-chloro-6-trifluoromethy1-imidazo[1,2a]pyridine-2- carboxylic acid is in the range of about 1.2:1 to about 1.5:1.
Embodiment 22. The method of any one of Embodiments 19 through 21a wherein 8chloro-6-trifluoromethyl-lmidazo[1,2-a]pyridine-2-carbonyl chloride is prepared by chlorinating 8-chloro-6-trifluoromethyl-imidazo[1,2-a]pyridine-2- carboxylic acid in a chlorination solvent.
Embodiment 23. The method of Embodiment 22 wherein the chlorination solvent is toluene, xylenes, chlorobenzene, anisole, mesitylene or tetralin.
Embodiment 24. The method of Embodiment 23 wherein the chlorination solvent is toluene, xylenes or anisole.
Embodiment 25. The method of Embodiment 24 wherein the chlorination solvent is toluene.
Embodiment 26. The method of any one of Embodiments 19 through 25 wherein 8chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid ls contacted with a chlorinating agent in the presence of Ν,Ν-dimethylformamide or N-formylpiperidine.
Embodiment 27. The method of Embodiment 26 wherein 8-chloro-6(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid is contacted with a chlorinating agent In the presence of N-formylpiperidine.
Embodiment 27a. The method of Embodiment 26 wherein 8-chloro-6(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid is contacted with a chlorinating agent in the presence of Ν,Ν-dimethylformamide.
Embodiment 28. The method of any one of Embodiments 19 through 27a wherein 8chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid is contacted with a chlorinating agent In the température range of 0 to 85 ’C.
Embodiment 29. The method of Embodiment 28 wherein 8-chloro-6(trifluoromethyl)imidazo[1l2-a]pyridine-2-carboxylic acid is contacted with a thionyl chloride in the température range of 75 to 85 ’C.
Embodiment 30. The method of any one of Embodiments 19 through 29 wherein excess chlorinating agent is removed from the 8-chloro-6-trifluoromethylimidazo[1,2-a]pyridine-2-carbonyl chloride before it ls contacted with 2-chloro-5methoxybenzene sulfonamide.
Embodiment 31. The method of any one of Embodiments 18 through 30 wherein the 8chloro-6-trifluoromethyl-lmidazo[1,2-a]pyridine-2-carbonyl chloride in step (A) is in the form of an HCl sait.
Embodiment 32. The method of any one of Embodiments 22 through 31 wherein the 8chloro-6-trifluoromethyl-imidazo[1,2-a]pyridine-2-carbony! chloride In step (A) Is in the form of a slurry In the chlorination solvent.
Embodiment 33. The method of any one of Embodiments 18 through 32 wherein the molar ratio of 8-chloro-6-trifluoromethyi-imidazo[1,2-a]pyridine-2-carboxylic acid and 2-chloro-5-methoxybenzene sulfonamlde In step (A) is in the range of 1:1.1 to 1:1.
Embodiment 34. The method of any one of Embodiments 18 through 33 wherein in step (A) the 8-chloro-6-trifluoromethyl-imÎdazoI1,2-a]pyridine-2’Carbonyl chloride and the 2-chloro-5-methoxybenzene sulfonamlde are contacted In the presence of a base.
Embodiment 35. The method of Embodiment 34 wherein the base is a tertiary amine.
Embodiment 36. The method of Embodiment 35 wherein the base is tributylamine, triethylamlne or diisopropylethylamine.
Embodiment 37. The method of Embodiment 36 wherein the base is tributylamine.
Embodiment 38. The method of any one of Embodiments 34 through 37 wherein the molar ratio of base to 2-chloro-5-methoxybenzene sulfonamlde In step (A) Is in the range of 2.8:1 to 3.5:1.
Embodiment 39. The method of any one of Embodiments 22 through 38 wherein the first solvent comprises a mixture of the chlorination solvent with at least one solvent selected from ethyl acetate, tetrahydrofuran, dichloromethane and dichioroethane with the chlorination solvent.
Embodiment 40. The method of Embodiment 39 wherein the first solvent comprises a mixture of the chlorination solvent with ethyl acetate.
Embodiment 40a. The method of Embodiment 40 wherein the first solvent comprises a mixture of toluene with ethyl acetate.
Embodiment 41. The method of any one of Embodiments 18 through 40a wherein in step (A) the 8-chloro-6-trifluoromethyl-imidazoÎ1,2-a]pyridlne-2-carbonyl chloride and the 2-chloro-5-methoxybenzene sulfonamlde are contacted In the température range of 0 to 25 ’C.
Embodiment 42. The method of Embodlment41 wherein in step (A) the 8-chloro-6trifluoromethyl-imidazo[1,2-a]pyridine-2-carbonyl chloride and the 2-chioro-5methoxybenzene sulfonamlde are contacted In the température range of 15 to 25 ’C.
ίο
Embodiment 43. The method of any one of Embodiments 39 through 42 wherein when the reaction in step (A) is complété, at most 1 équivalent of aqueous acid for every équivalent of the base Is added to neutralize the reaction mixture.
Embodiment 44. The method of Embodiment 43 wherein the aqueous acid is hydrochloric acid.
Embodiment 45. The method of Embodiments 43 or 44 wherein after addition of aqueous acid, the reaction mixture is heated in the range of 50 to 60 ’C for In the range of one to two hours to form the intermediate solid form of Compound 1.
Embodiment 46. The method of any one of Embodiments 43 through 45 wherein after the reaction mixture is heated in the presence of aqueous acid, the reaction mixture is cooled to a température In the range of 5 to 15 ’C.
Embodiment 47. The method of any one of Embodiments 18 through 46 wherein in step (B) the reaction mixture is filtered to separate the intermediate solid form of Compound 1.
Embodiment 48. The method of Embodiment 47 wherein the Intermediate solid form of Compound Usa solvaté.
Embodiment 48a. The method of Embodiment 48 wherein the intermediate solid form of Compound 1 is a toluene solvaté.
Embodiment 48b. The method of Embodiment 47 wherein the intermediate solid form of Compound 1 is an unsolvated polymorph or mixture of polymorphe.
Embodiment 49. The method of any one of Embodiments 18 through 48b wherein the intermediate solid form of Compound 1 separated in step (B) Is contacted with a second solvent in step (C) to convert the intermediate solid form of Compound 1 to polymorph Form A.
Embodiment 50. The method of any one of Embodiments 18 through 49 wherein the température in step (C) Is between 30 ’C and the boiling point of the second solvent.
Embodiment 51. The method of Embodiment 50 wherein the température in step (C) Is at least 30 ’C.
Embodiment 51a. The method of Embodiment 50 wherein the température In step (C) is at least 55 ’C.
Embodiment 52. The method of Embodiment 50 wherein the température In step (C) Is at most the boiling point of the second solvent.
Embodiment 53. The method of any one of Embodiments 18 through 52 wherein the second solvent comprises water, methanol, acetone or n-heptane.
Embodiment 54. The method of Embodiment 53 wherein the second solvent comprises water or methanol.
Embodiment 55. The method of Embodiment 54 wherein the second solvent comprises water.
Embodiment 56. The method of any one of Embodiments 18 through 55 wherein the second soivent is water and the température of step (C) Is in the range of 90 to 100 °C.
Embodiment 57. The method of any one of Embodiments 18 through 54 wherein the second solvent is methanol and the température of step (C) is in the range of 55 to 65 ’C.
Embodiment 58. The method of any one of Embodiments 18 through 57 wherein when the conversion in step (C) is complété, the second solvent is cooled and polymorph Form A is separated from the second solvent by filtration.
Embodiments of this invention, induding Embodiments 1-58 above as well as any other embodiments described herein, can be combined in any manner.
Compound 1 is 8-chloro-N-[(2-diloro-5-rnethoxyphenyl)sulfony1]-6-(trifluoromethy1)lmidazo[1,2-a]pyridine-2-carboxamide and has the following molecular structure:
The solid state of Compound 1 has now been discovered to be preparable In more than one solid form. These solid forms indude an amorphous solid form, in which there is no long-rangé order in the positions of molécules (e.g., foams and glasses). These solid forms also indude crystalline forms, ln which constituent molécules are arranged ln an orderly repeating pattern extending in ail three spatial dimensions. The term polymorph refers to a particular crystalline form of a chemical compound that can exist in more than one crystai structure (e.g. lattice type) in the solid state. The term packing polymorphe refers to particular crystalline forms of a compound having different crystai packing. Crystalline forms of Compound 1 ln this Invention relate to embodiments which include a single polymorph (i.e. single crystalline form) and to embodiments which include a mixture of polymorphs (i.e. different crystailine forms). Poiymorphs can differ in such chemical, physical and bîoiogicai properties as crystai shape, density, hardness, color, chemical stability, meitlng point, hygroscoplclty, suspensibility, solubility, dissolution rate and bîoiogicai availability. One skilled in the art will appreciate that a polymorph of Compound 1 can exhibit bénéficiai effects (e.g., suitability for préparation of useful formulations, stability, improved bîoiogicai performance) relative to another polymorph or a mixture of polymorphs of Compound 1. Différences with respect to chemical stability, fîlterability, solubility, hygroscopicity, melting point, solid density and flowability can hâve a signifîcant effect on the development of production methods and formulations, and efficacy of nematode control. Préparation and isolation of particular polymorphs of Compound 1 hâve now been achieved.
One crystalline polymorph form of Compound 1, designated as polymorph Form TS, is a 1:1 (molar ratio) toluene solvaté. Polymorph Form TS can be characterized by X-ray powder diffraction, single crystai X-ray structure analysis and Differential Scanning Calorimetry.
The powder X-ray diffraction pattern of polymorph Form TS of Compound 1 is shown in Figure 1. The corresponding 2Θ values are tabulated In Table 8 of Characterization Example 5. Polymorph Form TS of Compound 1 can be îdentified by a room-temperature powder Cu(Ka1) X-ray diffraction pattern having at least the 2Θ reflection positions (In degrees) _____________________________
26
28.913 22.429
26.942 20.325
25.672 19.053
24.451 18.603
23.316 12.871
Single crystai X-ray diffraction can also be used to characterize polymorph Form TS. A description of single crystai X-ray diffraction of polymorph Form TS Is provlded In Characterization Example 10. Crystals of polymorph Form TS hâve a triclinic unit celi and typically exhibit a needle-like morphoiogy.
Polymorph Form TS of Compound 1 can also be characterized by Differential Scanning Calorimetry. DSC Indicates the melting point of polymorph Form TS Is about 217 “C. The details of a DSC experiment are provided In Characterization Example 11.
Polymorph Form TS can be prepared directly during the préparation of Compound 1 from Its starting materials In the presence of toluene solvent as described in Préparation Example 1. Polymorph Form TS can also be prepared by slow évaporation of a saturated solution of Compound 1 in toluene. Polymorph Form TS can be converted into other polymorph forms or mixtures of forms as described in Préparation Examples 2 through 4.
A second crystalline polymorph form of Compound 1 is designated as polymorph Form A. Thls solid form is unsolvated. Polymorph Form A can be characterized by X-ray powder diffraction, single crystal X-ray structure analysis and Differential Scanning Calorimetry (DSC).
The powder X-ray diffraction pattern of polymorph Form A of Compound 11s shown in Figure 1. The corresponding 26 values are tabulated in Table 4 of Characterization Example 1. Polymorph Form A of Compound 1 can be Identified by a room-temperature powder Cu(Ka1) X-ray diffraction pattern having at least the 26 reflection positions (in degrees) _____________________________
20 20
30.367 25.973
29.131 25.604
27.995 24.285
27.611 23.582
26.49 19.789
Single crystal X-ray diffraction can also be used to characterize polymorph Form A. A description of single crystal X-ray diffraction of polymorph Form A is provided in Characterization Example 6. Crystals of polymorph Form A hâve a triclinic unit cell and typlcally exhibit a irregular block morphology.
Polymorph Form A of Compound 1 can also be characterized by Differential Scanning Calorimetry. DSC indicates the melting point of polymorph Form A is about 219 ’C. The details of a DSC experiment are provided ln Characterization Example 11. Polymorph Form A is physically and chemically stable In Its pure solid form (shown in Characterization Example 13).
Pure Polymorph Form A can be prepared by desolvating the toluene solvaté (Form TS) via heating in a solvent like water or methanol as described in Préparation Examples 3 and 4. Polymorph Form A of Compound 1 can also be prepared by heating a mixture of polymorph Forms A and B at or near the boilîng point of a solvent and then cooling back to room température or lower as described in Préparation Example 5. Methanol, water, acetone or n-heptane are particularly useful solvents for this method.
Another crystalline polymorph form of Compound 1 is designated as Polymorph Form B. This solid form is unsolvated. Polymorph Form B can be characterized by X-ray powder diffraction, single crystal X-ray structure analysis and Differential Scanning Calorimetry.
Single crystal X-ray diffraction can be used to characterize polymorph Form B. A description of single crystal X-ray diffraction of polymorph Form B is provided in Characterization Example 7. Crystals of polymorph Form B hâve a triclinlc unit cell and typically exhibit a prism morphology.
A simulated powder pattern was calculated from the atomic coordinates and cell parameters determined from the single crystal structure for polymorph Form B of Compound 1 and Is shown in Figure 1. The corresponding 2Θ values of the powder X-ray diffraction pattern of polymorph Form B are tabuiated in Table 5 of Characterization Example 2. Polymorph Form B of Compound 1 can be Identified by a -100 ’C simulated powder Cu(Ka1) X-ray diffraction pattern having at least the 20 reflection positions (in degrees) _____________________________
20 20
28.242 20.999
25.978 18.981
25.06 18.12
24.583 17.219
23.082 7.998
Polymorph Form B of Compound 1 can also be characterized by Differential Scanning Calorimetry. DSC indicates the melting point of polymorph Form B is about 218 ’C. The details of a DSC experiment are provided in Characterization Example 11.
Polymorph Form B can be obtained as a mixture with polymorph Form A by desolvation of the toluene solvaté (Form TS) as described In Préparation Example 2. Polymorph Form B can be prepared by heating the mixture of polymorph Forms A and B in dichloromethane as described In Préparation Example 5. Polymorph Form B of Compound 1 can also be prepared by thermal gradient sublimation at 160 ’C.
Another crystalline polymorph form of Compound 11s designated as polymorph Form C. This solid form Is unsolvated. Polymorph Form C can be characterized by X-ray powder diffraction and single crystal X-ray structure analysis.
Single crystal X-ray diffraction can be used to characterize polymorph Form C. A description of single crystal X-ray diffraction of polymorph Form C at -100 ’C Is provided In Characterization Example 8 and at 23 ’C in Characterization Example 14. Crystals of polymorph Form C hâve a triclinic unit cell and typlcaliy exhibit a triangular plate morphology.
A slmulated powder pattern was calculated from the atomic coordinates and cell parameters determined from the single crystal structure for polymorph Form C at -100 ’C of Compound 1 and is shown in Figure 1. The corresponding 29 values of the -100 ’C slmulated powder Cu(Ka1) X-ray diffraction pattern of polymorph Form C are tabulated in Table 6 of Characterization Example 3. The corresponding 29 values of the room température slmulated powder Cu(Ka1) X-ray diffraction pattern of polymorph Form C are tabulated in Table 22 of Characterization Example 15.
Polymorph Form C of Compound 1 can be prepared by thermal gradient sublimation at160’C.
Another crystalline polymorph form of Compound 1 is designated as polymorph Form D. This solid form is unsolvated. Polymorph Form D can be characterized by X-ray powder diffraction, single crystal X-ray structure analysis and Differential Scanning Calorimetry.
Single crystal X-ray diffraction can be used to characterize polymorph Form D. A description of single crystal X-ray diffraction of polymorph Form D Is provided in Characterization Example 9. Crystals of polymorph Form D hâve a triclinic unit cell and typlcaliy exhibit an irregular block morphology.
A slmulated powder pattem was calculated from the atomic coordinates and cell parameters determined from the single crystal structure for polymorph Form D of Compound 1 and Is shown in Figure 1. The corresponding 29 values of the powder X-ray diffraction pattem of polymorph Form D are tabulated In Table 7 of Characterization Example 4. Polymorph Form D of Compound 1 can be identified by a -100 ’C slmulated powder Cu(Ka1) X-ray diffraction pattem having at least the 29 reflection positions (in degrees) _____________________________
29 29
27.323 18.398
25.581 17.821
23.958 14.558
22.459 12.182
20.68 5.943
Polymorph Form D of Compound 1 can also be characterized by Differential Scanning Calorimetry. DSC Indicates the melting point of polymorph Form D is about 218 ’C. The details of a DSC experiment are provided In Characterization Example 11.
Pure polymorph Form D can be prepared by heating the mixture of polymorph Forms A and B In acetonitrile or acetlc acid as described in Préparation Examples 5 and 6.
Compound 1 can also exlst as an amorphous solid. The powder X-ray diffraction pattern (pXRD) for the amorphous form of Compound 1 shows a broad reflection pattern across the two-theta angle lacklng distinct reflection signais and thus is readily distinguished from the pXRD patterns of crystalline forms of Compound 1. The amorphous solid form can be prepared by standard methods known in the art, such as évaporation to dryness of solutions containing Compound 1, by quick cooling of melted Compound 1, by spray drying a solution of Compound 1 or by freeze-drylng a frozen solution containing Compound 1.
Compound 1 can be prepared by a variety of methods, One method involves coupling the starting acid 8-chloro-6-(trifluoromethyl)imldazo[1,2-a]pyridine-2-carboxyllc acid and 2chioro-5-methoxybenzenesuifonamide with any number of amide bond forming coupling reagents. An especially useful method utilizes 1-(3-dimethyl-aminopropyl)-3’ethylcarbodiimide hydrochlorlde and is described in Synthesis Example 1 in World Patent Publication WO 2010/129500. Another method utilizes the mixed anhydride of the starting carboxyllc acid as a method of promoting easy amid bond formation with the sulfonamide. Some of the most useful reagents used to make the mixed anhydride of the starting carboxylic acid are ethyl chloroformate and isobuty! chloroformate. Another method to préparé Compound 1 Involves the formation of an ester of the starting acid and reacting It with the sodium sait of the sulfonamide. Useful esters of the starting acid are the methyl- or ethyl-ester. The sodium sait of the sulfonamide can be prepared by réaction with sodium hydride. Compound 1 can also be prepared from the acid chloride of the starting carboxylic acid and coupling with the sulfonamide as described In Préparation Example 1.
The préparation of polymorph Form A of Compound 1 can be accomplished by a process wherein Compound 1 is prepared from its starting materials (Préparation Exampie 1) to initially yield an intermediate solid form of Compound 1. The intermediate solid form initiaily Isolated can be a mixture of polymorph forms, a polymorph form other than Form A or a soivate of Compound 1. The intermediate solid form of Compound 1 can be converted into pure polymorph Form A by a variety of methods (Préparation Exampies 2 through 5 and Characterization Example 19).
An especially useful method to préparé the polymorph Form A of Compound 1 is a process wherein the intermediate solid form of Compound 11s a toluene soivate (Polymorph Form TS). Polymorph Form TS is prepared directly from precursor starting materials as shown In Scheme 1. The method involves treating a compound of Formula 2 (8-chioro-617036 (trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid) with a chlorinating agent in the presence of a chlorinating solvent (toluene) to make the acid chloride of Compound 3. The acid chloride Compound 3 is then treated with a compound of Formula 4 (2-chloro-5methoxybenzenesulfonamide) in the presence of base to form a sait of Compound 1. When 5 the reaction is complété the mixture is treated with aqueous acid to neutralize any excess base and ensure formation of the neutral acyl sulfonamlde product. The aqueous slurry is warmed and stirred to dissolve salts and encourage the product to crystallize out of solution. The product crystallizes as the toluene solvaté of Compound 1 (Form TS) and Is separated by solid-liquîd séparation (e.g. filtration) and either dried to form the pure solvaté or 10 processed further to form polymorph Form A.
The reaction corresponding to the first part of Scheme 1 is typically run using 1 to 2 molar équivalents of the chlorinating agent relative to Compound 2. More typically the 15 molar ratio of the chlorinating agent to the compound of Formula 2 is in the range of about 1.2:1 to about 1.5:1. A larger ratio of chlorinating agent to Compound 2 is needed if Compound 2 contains some residual water. Chlorinating agents that are useful for this transformation include thionyl chloride, oxalyi chloride or phosgene. Thionyl chloride is especially useful. The formation of the acid chloride Is usually catalyzed by the addition of a formamlde in the range of 1 to 10 weight percent relative to Compound 2. Useful catalysts for acid chloride formation inciude N,N-dimethy!formamide and N-formylpiperidine. Solvents useful for the chlorination ln Scheme 1 (chlorlnation solvent) are any solvents that are inert to the chlorination reagent. Solvents that are especlally useful are toluene, xylenes, chlorobenzene, anlsole, mesltylene and tetralin. Toluene is an especially useful solvent. The formation of the acid chloride (Compound 3) is usually done In a température range appropriate for the chlorination reagent usually in the range of 0 to 85 ’C or near the boiling point of the chlorinating reagent. The lower températures are appropriate for oxalyl chloride or phosgene. A température in the range of 75 to 85 ’C is useful for thionyi chloride. The progress of the reaction may be monitored by the formation of the methyl ester of Compound 2. An aliquot of the reaction mixture Is treated with methanol and is anaiyzed by HPLC to détermine the ratio of unreacted Compound 2 and the ester from reaction of Compound 3 with methanol. Reaction times are typïcaïly In the range of 2 to 3 hours. Finally, to separate the acid chloride from the chlorinating agent, the reaction mixture is heated to the boiling point of the reaction mixture to remove excess chlorinating agent (thionyi chloride) and reduce the amount of solvent. The reaction mass Is concentrated to about one-haif volume and the résultant slurry (Compound 3 ln chlorination solvent) is cooled to room température. When thionyi chloride ls the chlorinating agent and toluene is the chlorination solvent then the résultant slurry is the hydrochloride sait of Compound 3 in toluene.
The second part of Scheme 1 involves the reaction of the Compound of Formula 3 and the suifonamide of Formula 4 to form the acyl sulfonamide Compound 1. The moiar ratio of reactants is usually in the range of 1 to 1.1 équivalents of Compound 4 to 1 équivalent of Compound 2 with a ratio of 1.05 équivalents of Compound 4 to 1 équivalent of Compound 2 being especlally useful. The coupling reaction is run in the presence of a base to neutralize the équivalent of hydrogen chloride released. The quantlty of base used is usually in the range of 2.5 to 4 équivalents relative to the sulfonamide, with a range of 2.8 to 3.5 being especially useful. The base is used to neutralize the équivalent of HCl from the acid chloride sait starting material (the nitrogen containing heterocycle in Compound 3 forms a hydrochloride sait in strong acidic conditions) and the équivalent of HCl generated in the reaction of the acid chloride and sulfonamide. The base aiso removes a proton from the acidic acyfsulfonamide functional group ln the product to form a sait of the product. A variety of tertiary amines can be used as bases for this coupling réaction. Examples are tributylamine, triethylamine, and diisopropylethylamine. Solvents useful for the second part of Scheme 1 are polar aprotic solvents that provide some solubility for the sulfonamide and Compound 1. Solvents that are useful Include ethyl acetate, tetrahydrofuran, dichloromethane and dichloroethane. Ethyl acetate Is especlally useful. The slurry of acid chloride from part A is usually diluted with ethyl acetate in a ratio of about 1 volume of toluene slurry to 1 to 2 volumes of ethyl acetate. The ‘first solvent of the process to préparé polymorph Form A of Compound 1 (step (A)) Is a mixture of the chlorination solvent and the solvent added for solubility In the coupling reaction (e.g. ethyl acetate). The reaction mixture (Compound 3 In the solvent mixture) is cooled to a température in the range of 0 to 15’C and treated with the Compound 4. The tertiary amine base is then added dropwise and the réaction mixture allowed to warm to room température. The reaction is stirred for a time in the range of 2 to 18 hours. The reaction Is agaln monitored by treating an aliquot of the reaction mixture with methanol and observîng the relative ratios of methyl ester of Compound 2, Compound 4 and Compound 1.
Upon completion of the reaction, the reaction mixture is usualiy diluted with water to dissolve salts and reduce the solubility of the product, thus promoting the crystallization of product of high purity. Aqueous acid Is then added to the reaction mixture to form a sait of any excess tertiary amine that was not already in the hydrochloride sait form. This acidification Is necessary to release the product Compound 1 In Its neutral form from the tertiary amine sait that forms with the acidic acylsulfonamlde functional group in the product. Typically at least about 1 molar équivalent of acid Is added for every équivalent of tertiary amine base in excess of the number of équivalents of acid chloride used in the reaction. More than 1 équivalent of acid for every équivalent of tertiary amine base used in the reaction can be added to ensure an acidic environment, although to minimize cost and waste disposai, typically not more than about 0.5 équivalent of excess acid is added. Other water-soluble acids can be used In place of hydrochloric acid. An example of another suitable water-soluble acid Is sulfuric acid. For multi protic acids the molar équivalents of acids may hâve to be adjusted according to the number of available protons. When the addition of the acid is complété, the reaction mixture is usually heated In the range of 50 to 60 ’C and stirred In the range of 1 to 2 hours. This procedure promûtes formation of larger size crystals to facilitate filtration. The reaction slurry Is then cooled to a température in the range of 5 to 15 ’C and filtered. The wet solid Is washed several times with water, to remove traces of salts and excess acid. The wet solid is then also washed several times with toluene to displace any remaining water and ethyl acetate from the solid product. This crude wet solid Is a 1:1 (molar ratio) solvaté of Compound 1 and toluene (polymorph Form TS).
The toluene solvaté (Form TS) of the product Is formed from toluene solvent used ln the fîrst part of the process that was carried Into the second part of the process to préparé Compound 1. If the chlorination Is performed with a solvent other than toluene the résultant Intermediate solid form of Compound 1 will not be Isolated as a toluene solvaté. The crude product Compound 1 can be Isolated as a solvaté of any solvent that Is part of the fîrst solvent mixture used ln the coupllng process, If It forms a strong solvaté. Alternatively, when the solvents used ln the préparation of Compound 1 do not hâve a tendency to form solvatés (e.g. o-xylene) then the intermediate solid form of Compound 1 product can be isolated as an unsolvated polymorph or mixture of polymorphs.
Compound 1 ln the form of a solvaté, unsolvated polymorph or mixture of polymorphs Is Initialiy separated from the reaction mixture by filtration to yield a wet solid or wet cake. The separated solid form of Compound 1 can then be further isolated by drying or removlng the last traces of solvent adhering to the extemal surface of the solid. The separated wet solid or isolated dry solid can then be further converted to other polymorph forms. The Isolated solid can also be characterized by a variety of analytical methods.
The crude wet solid polymorph Form TS can be used as Is for further conversion as described in Préparation Example 3. Polymorph Form TS can be desolvated and converted to polymorph Form A by forming a slurry ln water and distilling at about 95-96 ’C ln an apparatus that allows for the removal of toluene into the distillate by azeotroplc distillation, e.g. using a Dean-Stark trap. The mixture Is heated for 3 to 5 hours and water collected in the Dean-Stark trap Is retumed to the reaction to maintâin constant reaction volume while toluene Is removed from the slurry. The reaction Is cooled to ambient température, filtered and dried under vacuum (8-15 kPa absolute pressure) at 55 ‘C for one hour. The résultant product Is pure polymorph Form A as determined by pXRD. Variations of this procedure resulting In the same conversion of polymorph Form TS to Form A are described ln Préparation Example 4. Both water and methanol and mixtures of water and methanol can act as the solvent for the desolvation procedure by distillation, e.g. with the Dean-Stark apparatus. The desolvation/polymorph conversion reaction can be accomplished at a température between about 30 ’C and the boiling point of the solvent. The desolvation/polymorph conversion reaction Is especially efficient at a température between about 55 ’C and the bolling point of the solvent (the boiling point of the solvent varies depending on the solvent or solvent mixture used) as shown in Table 2 of Préparation Example 4. The consistent resuit Is pure polymorph Form A indicating that it Is the most stable polymorph form ln the range of studied reaction conditions.
The crude wet solid of poiymorph Form TS can also be desotvated by drying in a vacuum oven at about 90 °C (8-15 kPa absolute pressure) for about 4 days to give a mixture of poiymorph Forms A and B as described in Préparation Example 2. The mixture of poiymorph Forms A and B that results from the desoivation of poiymorph Form TS can then be further converted Into other poiymorph forms as described in Préparation Example 5. A sample of poiymorph Forms A and B, originatly derived from desoivation of Form TS, is suspended in a solvent and heated and stirred for a time period and then cooled and isolated by filtering and drying in a vacuum oven. A variety of solvents can be used in this conversion procedure and the particular poiymorph form that results dépends on the solvent used. The results are summarized In Table 3 of Préparation Example 5. A variety of solvents give pure poiymorph Form A. Heating under agitation at 95-100 *C for 3 hours in water or n-heptane results In poiymorph Form A. Heating under agitation at 60 °C for 3 hours in methanol also results in poiymorph Form A. The starting poiymorph mixture dissolved in some of the solvents upon warming and therefore those solvent's solutions were cooled to or below ambient température to encourage crystallization. The crystal form conversion in these solvents resulted In a variety of poiymorph forms. Acetone (also water, methanol and n-heptane) resulted in poiymorph Form A, dichloromethane resulted in poiymorph Form B and both acetonitrile and acetic acid resulted in poiymorph Form D.
The relative stability of pure polymorphe and mixtures of polymorphs of Compound 1 were studied in water heated to 95 C or methanol heated to 55 ’C in Characterization Example 12. In ail cases the starting poiymorph or mixtures of polymorphs converted to Form A. These expérimente indicate that Form A Is the most thermodynamically stable poiymorph form under the conditions studied. The data in Characterization Example 12 shows that poiymorph Form B and poiymorph Form D can act as intermediates to préparé poiymorph Form A. Poiymorph Form TS is also demonstrated to be an intermediate to préparé poiymorph Form A in Préparation Examples 3 and 4.
Seed crystals were not used in the above described poiymorph conversions, however, seed crystals can be used to promote conversion and/or Increase the rate of conversion of one poiymorph into another. The poiymorph conversion reactions are often agitated by a variety of methods even if not explicitly stated. The form of agitation can be from shaking the reaction vessel or by stirring with a magnetic or mechanical stirrer. The poiymorph conversion reactions can aiso be agitated by the boiling action of the solvent.
Without further élaboration, It is believed that one skilled in the art using the preceding description can utilize the présent Invention. The following Examples are, therefore, to be construed as merely illustrative, and not limiting of the disctosure In any way whatsoever.
Abbreviations used in the examples are as follows: rpm is révolutions per minute, pXRD is powder X-ray diffraction, wt% is percent by weight measured by HPLC (using a calibration standard), a% is percent by area measured by HPLC at a waveiength of 230 nm, DSC is differential scanning calorimetry, TGA is thermal gravimétrie analysis and KFT is KariFischer titration.
Analytical methods used in the préparation examples are described below or in the Characterization Examples.
Powder X-Ray Diffraction (p-XRD)
Powder X-ray diffraction was used to îdentify the crystalline phases of various samples of Compound 1. Data were obtained with a Philips X'PERT automated powder diffractometer, Model 3040. The radiation produced by a copper anode X-ray source Includes Cu-K(alphal), Cu-K(alpha2) and Cu-K(beta). The diffractometer was equipped with a nickel filter that removes the Cu-K(beta) radiation leaving Cu-K(alphal) and CuK(a1pha2) In the raw data. The peaks origînating from Cu-K(alpha 2) are removed during the fînd peaks routine in the Jade Software (MDI/Jade software version 9.1) ieaving the listed maxima from Cu-K(alpha1). The waveiength for Cu-K(alpha1) or Cu(Ka1) radiation listed In International Tables for X-ray Crystallography Is 0.154056 nm. The listed 20 X-ray maxima are for Cu-K(alpha1) radiation which is the strongest radiation produced by a copper anode X-ray source and is sometimes simply abbreviated as Cu-K(alpha) or Cu-Ka.
Thermo-gravimetric Analysis (TGA)
Thermo-gravimetric Analysis was performed on a Thermal Analysis Q5000 equipment to détermine the relative weight loss of a sample as a function of température. Test samples (2-6 mg) were accurately weighed Into sample pans (platinum, 100 pL). The samples were heated from starting température (25 ’C) to final température (250 or 300 ’C) at a heating rate of 10 ’C/min under a nitrogen flow of 25 mL/min. The TGA scans were analyzed and plotted using Thermal Analysis Advantage thermal analysis software.
High Performance Liquid Chromatography (HPLC)
HPLC was used to détermine the purity of Compound 1 and Intermediates. An Agiient 1100/1200 sériés HPLC System with DAD/UV detector and reverse-phase column (Agiient Zorbax® SB C18 (4.6 x 150) mm, 3.5pm, Part No. 863953-902) was used. Flow rate was 1 mL/min, run time 25 min, Injection volume 3.0 pL, and the column oven température was 40 °C. A moblie phase gradient according to Table 1 was used wherein mobile phase A was 0.075% by volume orthophosphoric acid and mobile Phase B was acetonitrile (HPLC grade). Mobile phase A was prepared by thoroughly mixing 0.75 mL of orthophosphoric acid (AR grade) with 1000 mL of deionlzed water (Milli-Q grade) and filtering through a membrane filter (0.45 pm pore size). Standards were prepared by weighing 30.0 mg of the standard Into a 100 mL standard volumétrie flask, dissolving and diluting with the diluent. Samples were prepared by weighing 30.0 mg of the sample into a 100 mL standard volumétrie flask, dissolving and diluting with the diluent. For analysis, the HPLC system and column were equilibrated with Initial mobile phase. In sequence, a blank sample, a standard sample and the test sample were run. The rétention time for Compound 1 was about 14.8 min. Peaks appearing In the blank sample were not Integrated, ail other peaks were integrated and a% purity reported from the sample chromatogram. For wt% détermination the concentration of test sample was calibrated against the standard sample.
Table 1
Mobile Phase Gradient Table
Time (min) Volume Fraction of Mobile Phase A (%) Volume Fraction of Mobile Phase B (%)
0 80 20
15 30 70
19 10 90
25 10 90
Proton-Nuclear Magnetic Résonance (1H-NMR)
Proton-NMR analysis was performed on a Bruker Advance 300/400 instrument. The operational frequency was 400 MHz, spectral frequency range 0-16 ppm, delay time 2 seconds, puise width of 12 ps, minimum number of scans was 8. Samples were prepared by weighing about 0.01 g of samples or référencé standards, adding 0.6 mL of DMSO-dg to dissolve the contents and transferring into NMR tubes. Deuterated DMSO (DMSO-dg) was from Cambridge isotope Laboratory.
Water Content
Water content analysis was performed by Karl-Fischer titration (KFT).
PREPARATION EXAMPLE 1 Synthesis of Toluene Solvaté Form of Compound 1 (Form TS) Step A: Préparation of 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carbonyl _______________chloride______________________________________________________________________ To a 3000 mL three-neck round bottom flask equipped with an overhead stirrer, thermo pocket, addition funnel and nitrogen tube was charged toluene (1000 mL), N-formyl piperidine (3.54 g, 0.031 mol) and thionyî chloride (67 g, 0.559 moles) at 23 *C under nitrogen atmosphère. The résultant reaction mass was heated to 82 ’C and to this 8chioro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid (100 g, 0.373 moles) (prepared as in WO 2010/129500) was charged lot wise (5 lots) over a period of 60 min. The walls of the reactor were rinsed with 500 mL toluene. After addition, the résultant réaction mass was stirred at 90 ’C for 75 min and the progress of the reaction was monitored by HPLC. For this, 0.5 mL of the reaction mass was diluted with 3 mL of methanol and the formation of acid chloride was analyzed Indirectly by detecting its correspondîng methyl ester by HPLC). After 2 hours, HPLC analysis indicated about 0.35 a% of unreacted 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid and about 99.0 a% of 8-chloro-6-(trifluoromethyl)Îmldazo[1,2-a]pyridine-2-carboxylic acid methyl ester. The résultant reaction mass was further heated to 140 ’C (oil bath température) and distilled at about 109 ’C (mass température) and 105-107 ’C (vapor température) at atmospheric pressure over a period of 2.5 hours to remove toluene (about 600 mL) and excess thionyl chloride présent in the reaction mass. After distillation, the reaction mass was gradualiy cooled to 30 ’C over a period of 60 min. The concentration of 8-chioro-6(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid was about 0.07 a% and the concentration of 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid methyl ester about 99.2 a% as measured by HPLC at 230 nm.
Step B: Préparation of 8-chloro-N-[(2-chloro-5-methoxyphenyl)suifonyl]-6______________(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamlde (Compound 1)_______
The résultant acid chloride solution from Step A was cooled to 0 ’C over a period of 30 min and to this, ethyl acetate (400 mL) was charged under a nitrogen atmosphère at 0 ’C. The résultant reaction mass was stirred at 0 ’C for 5 min and to this 2-chloro-5methoxybenzenesulfonamide (90 g, 0.391 moles) (prepared as in WO 2010/129500) was charged. To the résultant réaction mass tributylamlne (242 g, 1.305 moles) was added drop-wise over a period of 60 min using an addition tunnel. A température Increase of 8 ’C was observed during the addition. After the addition, the résultant reaction mass was stirred at 10 ’C for 30 min and the température was gradualiy raised to 25 ’C. The progress of the reaction was monitored. For this, 0.5 mL the réaction mass was diluted with 3 mL of methanol and analyzed by HPLC analysis at 230 nm. After about 15 min at 25 ’C, the concentration of 8-chloro-6-(trifluoromethyl)imldazo[1,2-a]pyridine-2-carboxylic acid methyl ester was about 4.30 a%, 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid about 1.81 a%, unreacted 2-chloro-5-methoxybenzenesulfonamide was about 2.86 a% and Compound 1 was about 86.5 a%. The résultant reaction mass was stirred ovemight at 25 ’C and the progress of the reaction was monitored by HPLC at 230 nm. After 15 hours at 25 ’C, the concentration of 8-chloro-6-(trifluoromethyl)imidazo[1I2-a]pyridÎne-2-carboxylic acid methyl ester was about 0.84 a%, 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-217036 carboxylîc acid about 1.72 a%, unreacted 2-chloro-5-methoxybenzenesulfonamide about 2.20 a% and Compound 1 about 91.9 a%.
The reaction mass was stirred at 25 “C and to this, water (360 mL) was charged at 25 ’C over a period of 60 min. To the résultant reaction mixture, a solution of HCl (32 wt%, 191 g) in 200 mL water was added over a period of 45 min. During the HCl addition, the reaction mass became a clear solution Initially and then gradually became a hazy liquid during the end of the addition. A température increase of 9 ’C was observed during this addition. After the addition, the résultant reaction mass was heated to 55 ‘C, stirred for 60 min, gradualiy cooled to 5 ’C, then stirred at 5 ’C for 30 min and filtered. The wet cake was washed with water (3 times with 3100 mL) and vacuum-dried on a Buchner funnel. The vacuum-dried matériel was analyzed for the chloride content which indicated no significant amount of chloride salts présent. The wet cake was washed with toluene (2 x 400 mL) and vacuum-dried on a Büchner funnel for about 12 hours. The crude product was obtained as 185 grams of an off-white solid. The toluene and ethyl acetate content in the product were 17.3 wt% and 0.855 wt%, respectively. The water content was 0.84 wt%. The HPLC purity of the crude product (wet sample) was 99.8 a% and 80.0 wt%. The yield based on HPLC wt% analysis was 85%.
’H-NMR was consistent with Compound 1 [(DMSO-dfl) δ 3.86 (s, 3H), 7.30 (d, 1H), 7.57 (dd, 1H), 7.64 (d, 1H), 7.96 (d, 1H), 8.84 (s, 1H), 9.34 (d, 1 H)] containing toluene. The molar ratio of toluene and Compound 1 was about 1.06 indicating a 1:1 toluene solvaté. The pXRD diffraction pattern was consistent with the toluene solvaté (Form TS) of Compound 1. The crude wet solid was used for form conversion studies.
PREPARATION EXAMPLE 2 _________________Préparation of Mixed Forms A and B of Compound 1________________ The toluene solvaté of Compound 1 was prepared as described In Préparation Example 1 and was desolvated by drying in a vacuum oven (8-15 kPa absolute pressure) at 90 ’C for 4 days. The toluene content In the product was 0.11 wt% and the water content was 0.09 wt%.
1H-NMR was consistent with Compound 1 [(DMSO-de) δ 3.86 (s, 3H), 7.30 (d, 1H), 7.57 (dd, 1H), 7.64 (d, 1H). 7.96 (d, 1H), 8.84 (s, 1H), 9.34 (d, 1H)J. The purity by HPLC was 99.9 a% and 99.0 wt%. The DSC thermogram showed two endotherms with peak températures of 211.1 ’C and 219.1 ’C. The pXRD pattern confirme that the material was crystalline and corresponded to a mixture of crystals of Form A and Form B.
PREPARATION EXAMPLE 3 _____________Conversion of the Toluene-Solvate of Compound 1 to Form A_____________
To a 500 mL three-neck round-bottom flask equipped with overhead stirrer, oil bath, a Dean-Stark apparatus and température probe was charged 25 g of Compound 1 wet cake prepared according to Préparation Example 1 (toluene content = 17.3 wt%) and water (75 mL) at 25 ’C. The résultant reaction mass was heated to 95 ’C (reaction mass température) and maintalned at 95-96 ’C over a period of 5 hours while stirring at about 850 rpm. The water coliected from the Dean-Stark apparatus was recycled to malntain about constant reaction volume while toluene was removed from the reaction mass. After about 3 hours no further distillation of toluene was observed. A slurry sample was taken from the reaction mass under agitation. The toluene and ethyl acetate content of the slurry was determined by GC analysis as 56 ppm and 17 ppm, respectively. About 10 mL of the sample was taken from the réaction mixture, cooled to 25 ’C, filtered and vacuum-dried on a Büchner funnel for 15 min. The wet cake showed about 429 ppm of toluene and 36 ppm of ethyl acetate. The wet cake was dried in a vacuum oven at 55 ’C (8-15 kPa absolute pressure) for about 1 hour and analyzed by DSC and pXRD. Both DSC and pXRD data was consistent with Form A of Compound 1.
Since the portion of the sample from the reaction mass Indicated the conversion to Form A, the entlre reaction mass was filtered, dried In a vacuum oven (8-15 kPa absolute pressure) at 55 ’C for 1 hour. The dried product was analyzed by pXRD and DSC. Both DSC and pXRD data was consistent with Form A of Compound 1.
PREPARATION EXAMPLE 4
Additional Polymorph Conversion Studies of the Toluene-Solvate (Form TS) of Compound 1 Form-conversion experiments according to Préparative Example 3 were conducted with water, methanol and the mixture thereof as the suspension medium. The experimental conditions and apparatus used were as described In Préparative Example 3 unless otherwlse noted. In each experiment 25 g of the wet cake of Compound 1 prepared according to Préparation Example 1 (toluene content = 17.3 wt%) were used as starting material. The experimental conditions are summarized In Table 2. The conditions of Préparative Example 3 are inciuded for référencé. The suspensions were subjected to azeotropic distillation under reflux conditions to remove the toluene using the Dean-Stark apparatus. After 3 to 5 hours no more toluene was visibly removed and the résultant slunies were filtered, dried ln a vacuum oven (8-15 kPa absolute pressure) at 55 ’C for 1 hour and analyzed by DSC and pXRD. The DSC and pXRD data of ail the examples llsted in Table 2 were consistent with Form A of Compound 1.
Table 2
Experimental Conditions of Polymorph Conversion Studles and Resulting Form
Example Amount of Compound 1 (g) Starting Polymorph Form Volume of Water (mL) Volume of Methanol (mL) Slurry Température (’C) Polymorph Form Obtained
3 25 TS 75 - 95-96 A
4a 25 TS 125 - 95-96 A
4b 25 TS 175 - 95-96 A
4c 25 TS 125 - 95-96 A
4d 25 TS 100 25 95-96 A
4e 25 TS - 100 63 A
4f 25 TS 125 - 85-87 A
4g 25 TS 125 - 85-87 A
PREPARATION EXAMPLE 5 __________Solvent Screening to Préparé Various Crystal Forms of Compound 1__________ A set of solvents was evaluated for the préparation of various crystal forms Including solvaté forms of Compound 1. The starting material of Compound 1 was prepared according to Préparation Example 2· Aliquots of Compound 1 thus prepared were either dissolved or slurried in the sélection of solvents listed In Table 3 and treated according to the following descriptions. The resulting dry materials were analyzed by ^H-NMR, pXRD, DSC and TGA. The endothermie DSC events and resulting crystal forms are also reported in Table 3.
In Example 5a, 1 g of Compound 1 was dissolved in 6.5 mL of acetone at 56 ’C. The solution was slowty cooled to about 5 °C over a period of 1 h. The resulting crystals were filtered, suction dried for 1 h and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material Indicated Form A.
In Example 5b, 1 g of Compound 1 was slurried In 10 mL of methanol, refluxed for 3 h, filtered, cooled to about 25 ’C, suction dried for 1 h and dried In a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and ^H-NMR of the resulting material indicated Form A.
In Example 5c, 1 g of Compound 1 was slurried in 10 mL of deionized water, refluxed for 3 h, cooled to about 25 ’C, filtered, suction dried for 1 h and dried in a vacuum oven at . 28 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material indicated Form A.
In Example 5d, 1 g of Compound 1 was slurried in 10 mL of n-heptane, refluxed for 3 h, cooled to about 25 ’C, filtered, suction dried for 1 h and dried In a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material Indicated Form A.
In Example 5e, 1 g of Compound 1 was dissoived in 14 mL of ethyl acetate at 65 ’C. The solution was cooled to 5 ’C over a period of 1 h. The resulting crystals were filtered, suction dried for 1 h and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material indicated a solvaté form containing ethyl acetate.
In Example 5f, 1 g of Compound 1 was refluxed in 10 mL of /so-propanol for 3 h, cooled to about 25 ’C, filtered, suction dried for 1 h and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and “*H-NMR of the resulting material Indicated a solvaté form containing /so-propanol.
In Example 5g, 1 g of Compound 1 was refluxed in 10 mL of methyl tert-butyl ether for 3 h, cooled to about 25 ’C, filtered, suction dried for 1 h and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material indicated a solvaté form containing methyl tert-butyl ether.
In Example 5h, 1 g of Compound 1 was dissoived in 12 mL of acetonltrile at 65 ’C. The solution was slowly cooled to 5 ’C over a period of 4 h. The resulting crystals were filtered, suction dried for 1 h and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and Ίη-NMR of the resulting material indicated Form D.
In Example 51,1 g of Compound 1 was dissoived In 12 mL of tetrahydrofuran at 65 ’C. The solution was slowiy cooled to 25 ’C over a period of 4 h. The resulting crystals were filtered, suction dried for 1 h and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material indicated solvaté form containing tetrahydrofuran.
In Example 5j, 1 g of Compound 1 was slurried In 12 mL of éthanol, refluxed for 3 h, cooled to about 25 ’C, filtered, suction dried for 1 h and dried in a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and ΊΗ-NMR of the resulting material indicated solvaté form containing éthanol.
In Example 5k, 1 g of Compound 1 was slurried In 10 mL of decalin, heated at 120 ’C for 3 h, cooled to about 25 ’C, filtered, suction dried for 1 h and dried in a vacuum oven at ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material indicated solvaté form containing decalin.
In Example 5I, 1 g of Compound 1 was dissolved In 12.5 mL of methyl feo-butyl ketone at 65 'C. The solution was cooled to about 25 ’C over a period of 3 h. The resulting crystals were filtered, suction dried for 1 h and dried in a vacuum oven at 90 'C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1 H-NMR of the resulting material Indicated solvaté form containing methyl /so-butyl ketone.
In Exampie 5m, 1 g of Compound 1 was dissolved In 6 mL of mesitylene at 120 'C. The resulting solution was slowly cooled to about 25 ’C over a period of 4 h. The resulting crystals were filtered, suction dried for 1 h and dried in a vacuum oven at 90 'C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1 H-NMR of the resulting material Indicated a mixture of Forms A and B.
In Example 5n, 1 g of Compound 1 was dissolved In 17 mL of toluene at 90 'C. The resulting solution was slowly cooled to about 25 ’C over a period of 4 h. The resulting crystals were filtered, suction dried for 1 h and dried In a vacuum oven at 90 °C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1 H-NMR of the resulting material indicated a solvaté form containing toluene. The residual toluene was remainlng In the product even after additional 12 hr drying under the above drying conditions.
In Exampie 5o, 1 g of Compound 1 was dissolved In 15 mL of dïchloromethane at 25 ’C. The resulting solution was slowly cooled to about 5 'C and maintained at 5 ’C for 30 min. The resulting crystals were filtered, suction dried for 1 h and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1 H-NMR of the resulting material indicated Form B.
In Example 5p, 1 g of Compound 1 was slurried in 10 mL of tetralin at 120 'C for 3 h, slowly cooled to about 25 ’C, filtered, suction dried for 1 h and dried in a vacuum oven at 90 'C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1 H-NMR of the resulting material indicated a mixture of Forms A and B.
In Example 5q, 1 g of Compound 1 was dissolved In 9 mL of 1,4-dioxane at 65 'C. The resulting solution was slowly cooled to about 25 ’C over 4 h and maintained at 25 'C for 12 h. The resulting crystals were filtered, suction dried for 1 h and dried in a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1 H-NMRofthe resulting material Indicated a solvaté form containing 1,4-dioxane.
In Example 5r, 1 g of Compound 1 was dissolved In 7 mL of acetic acid at 80 ’C. The resulting solution was slowly cooled to about 25 ’C over 4 h and maintained at 25 ’C for 12 h. The resulting crystals were filtered, suction dried for 1 h and dried In a vacuum oven at ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material indicated Form D.
In Example 5s, 1 g of Compound 1 was dissolved in 7 mL of feo-propyl acetate at 70 ’C. The resulting solution was slowly cooled to about 25 ’C over 4 h and maintained at 5 25 ’C for 12 h. The resulting crystals were filtered, suction dried for 1 h and dried In a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material Indicated a solvaté form contalnlng feo-propyl acetate.
In Example 5t, 1 g of Compound 1 was slumed in 10 mL of o-xylene at 100 ’C, cooled to about 25 ’C, filtered, suction dried for 1 h and dried In a vacuum oven at 90 ’C and 8 kPa 10 absolute pressure for 12 h. Analysis by pXRD, DSC, TGA and ^H-NMR of the resulting material indicated a mixture of Forms A and B.
Table 3
Crystal Form Conversion Studies Using Various Solvents
Ex. No. Solvent Polymorph Form Obtained DSC Endotherm KeC) DSC Endotherm 2 (’C)
5a acetone A 210.9 218.9
5b methanol A 209.9 218.7
5c water A 212.1 218.7
5d n-heptane A 212.8 219.1
5e ethyl acetate Solvaté 210.8 218.6
5f feo-propanol Solvaté 211.4 218.3
5g methyl fert-butyl ether Solvaté 210.3 218.4
5h acetonitrile D 212.8 219.4
5I Tetra hydrofuran Solvaté 210.5 218.6
5j éthanol Soivate 208.2 218.7
5k decalin Solvaté 211.1 218.3
5I methyl feo-butyl ketone Soivate 211.6 218.9
5m mesltylene A+B 211.8 218.4
5n toluene Soivate 210.6 218.8
5o dichloromethane B 210.5 218.5
5p tetralin A+B 212.9 219.0
5q 1,4-dioxane Soivate 210.8 218.9
5r acetic acid D 213.1 219.5
Ex. No. Solvent Polymorph Form Obtained DSC Endotherm 1 (’C) DSC Endotherm 2 (’C)
5s feo-propyl acetate Solvaté 211.6 218.9
5t o-xylene A+B 212.0 218.6
PREPARATION EXAMPLE 6 __________________Préparation of Polymorph Form D of Compound 1__________________
Polymorph Form D of Compound 1 was prepared by heating Compound 1 prepared according to Préparation Exampie 2 with acetonitrile at 65 °C for 5 minutes. The clear solution obtained was gradually cooled to 5 C over 4 hours and malntained at that température for 12 hours without disturbance. The crystals formed were filtered and dried at 65 ’C in a vacuum oven (8 kPa absolute pressure) for 12 hours. The isolated solid was found to hâve a unique pXRD diffraction pattern Indicating a distinct crystal form (polymorph Form D).
Form D was also prepared according the above procedure using acetic acid as the solvent as evidenced by displaying the same pXRD pattern. Both the sample crystallized from acetonitrile and acetic acid were also analyzed by single crystai XRD as described In the Characterization Examples below.
PREPARATION EXAMPLE 7 ___________Stability of a Mixture of Crystal Forms A and B in a Liquid Formulation___________
The mixture of polymorphs Form A and Form B of Compound 1 was prepared as described In Préparation Example 2. The presence of both polymorph forms was confirmed bypXRD.
A suspension concentrate Formulation X containing Compound 1 of mlxed polymorph Forms A and B was prepared. The composition of Formulation X is given in the table below. Ail ingrédients were combined in the order of ingrédients listed in the table to yield a total amount of 6.5 grams. The mixture of combined ingrédients was milled with an attritor mili in a 30 ml size flask equipped with a variable-speed overhead impeller using 14.3 grams of 0.8 to 1.0 mm sized glass beads. The flask content was agitated at room température for 5 min at 4000 rpm followed by 13 min at 6000 rpm. The resulting formulation was evaluated under a light microscope (Lelca, model DM LS) at 400 to 1000fold magnification to evaiuate the homogeneity, size and shape of the particles of Compound 1 in the formulation. The particles were found to be of irregular shape and in the narrow range of about 3 to 10 pm. The sample was left standing for about 15 hours at room température and then reexamined under the microscope; It was found that larger cubical crystals in the size range between about 5 to 30 pm had formed. Also, clusters of dentritic crystals of a length between about 50 to 200 pm had formed. Such changes in crystal size and morphology constitutes an undeslrable formulation Instability which may resuit in undesired effects such as the active compound sedimenting out or the larger crystals not providing the full extend of bioefficacy owing to their reduced spécifie surface area.
The formulation sample, after standing for a total of 18 hours at room température, was re-milled for 45 min at 6000 rpm using the same equipment and conditions as described above. The observation under the microscope showed that the particles of Compound 1 were well dispersed in the size range of about 3 to 10 pm. The sample was split and stored for 14 days at room température and at 54 °C, respectively. The reexamination of the two stored samples under the microscope showed no signs of crystal growth or change In morphology for either storage température indicating good partide size stability in the formulation. The concentration of Compound 1 in the samples stored at room température and 54 °C were determined by HPLC as 49.7 wt% and 51.2 wt%, respectively, indicating good chemical stability ln the formulation.
To détermine the crystal form of Compound 1 in the formulation sample that had been re-milled after crystal growth, Compound 1 was separated from the formulation as foliows. An aliquot of the formulation (0.72 grams) was centrifuged ln a 1.5 ml centrifuge tube for 6 cycles of 30 min each. After each centrifugation the supematant was removed, replaced with deionized water and the tube content was thoroughly mixed. After the final centrifugation cycle the supematant was discarded and the solids were dried at 40 °C for about 70 hours. Analysis by pXRD and DSC of the resulting material indicated pure poiymorph Form A.
Formulation Example X
Ingrédient
Concentration iwffîû water silicones xanthan gum attapulgite clay bloclde propylene glycol glycerol methylmethacrylate ethoxyiated copolymer ethylene oxlde/propylene oxide block copolymer and
40.15
0.3
0.2
0.5
0.05
1.5
3.0
3.0
2.0
Concentration (wt%)
49.3
Ingrédient ethoxylated alcohol polymorph Forms A and B of Compound 1
PREPARATION EXAMPLE 8
Préparation and Isolation of 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carbonyl __________________________________________________chloride___________________________________
To a 250 mL four neck round bottom flask, was charged toluene (50 mL), N-formyl piperidine (0.177 g, 1.6 mmol) and thionyl chloride (3.37 g, 27.8 mmol) at 23-25 ’C under a nitrogen atmosphère. The résultant reaction mass was heated to 82 ’C over a period of 20 min and to this 8-chloro-6-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylic acid (5.0 g, 18.6 mmol) was added portion wise over a period of 25 min. Additional toluene (25 mL) was also added. During the addition of the acid, the reaction mass changed from a slurry to a pale green solution liberating HCl gas. The résultant mass was heated to 90 ’C and stîrred for 90 min and the progress of the reaction was monitored by HPLC (0.5 mL of the reaction mass was diluted with 3 mL of methanol and analyzed for the formation of acid chloride as its corresponding methyl ester). After 90 min, HPLC analysis (230 nm) indicated the unreacted acid 0.32 A% and the methyl ester 99.24 A%. The résultant reaction mass was distilled at -109 ’C (mass température) at atmospheric pressure over a period of 30 min to remove the toluene-thionyl chloride mixture (-50 mL). During the distillation the reaction mass tumed dark brown. The reaction mass was gradually cooled to 30 ’C over a period of 30 mins and a sample was analyzed by HPLC. The HPLC (at 230 nm) analysis indicated the unreacted acid - 0.33 % and the formation of methyl ester - 99.12 %. The title acid chloride was completely dried at 50 'C for 30 min under vacuum with a stream of nitrogen flow, to remove residual toluene and analyzed by HPLC and 1H NMR. The title acid chloride was isolated as a grey solid (6.5 g). HPLC purity (230 nm) of 95.60 % AP (as methyl ester).
1H-NMR (CDCI3) δ 7.57 (s, 1H), 8.53 (s, 1H), 8.56 (s, 1H).
1H-NMR (DMSO-de) δ 7.90 (s, 1H), 8.68 (s, 1H), 9.30 (s, 1H).
CHARACTERIZATION EXAMPLE 1 _____________X-Ray Powder Diffraction for Compound 1 Polymorph Form A_____________ Powder X-ray diffraction was used to identify the crystalline phases of various samples of Compound 1. Data were obtained with a Philips X’PERT automated powder diffractometer, Model 3040. The diffractometer was equipped with automatic variable antiscatter and divergence slits, X'Celerator RTMS detector, and Ni filter. The radiation was Cu-K(alpha) (45 kV, 40 mA). Data were collected at room température from 3 to 50 degrees 2-theta using a continuous scan with an équivalent step size of 0.02 degrees and a count time of 320 seconds per step in theta-theta geometry. Samples were ground with an agate mortar and pestle as needed and prepared on low background amorphous silica specimen holders as a thin layer of powdered material. MDI/Jade software version 9.1 is used with the International Committee for Diffraction Data database PDF4+ 2008 for phase identification. Cu-K(alphal) X-ray diffraction maxima for Form A of Compound 1 were calculated using the MDI/Jade ‘Find Peaks’ routine and are listed Table 4.
Table 4
2Θ X-ray Maxima (in degrees) for Polymorph Form A of Compound 1
20 20 20 20 20 20 20
11.651 21.026 25.973 30.652 36.967 42.451 47.813
12.854 21.543 26.490 31.905 37.703 42.935 48.167
13.705 23.097 27.308 32.657 37.956 43.538 48.648
14.056 23.582 27.611 33.042 38.607 44.089 49.118
15.426 24.285 27.995 34.629 38.992 44,740 49.502
18.286 24.584 29.131 35.028 39.875 45.926
18.836 24.954 29.764 35.614 40.443 46.644
19.789 25.604 30.367 35.982 41.632 47.279
CHARACTERIZATION EXAMPLE 2
Simulated X-Ray Powder Diffraction Pattern for Compound 1 Polymorph Form B
A simulated powder pattern was calculated from the atomic coordinates and cell parameters determined from the single crystal structure for polymorph Form B of Compound 1. This is based on data collected at-100 °C. The X-ray pattern was calculated using the Cambridge Mercury program with Cu wavelength (0.154056 nm), 3 to 50 degrees 2-theta and a step size of 0.02 degrees. Peak positions were selected from the calculated pattern using the MDI/Jade software version 9. Cu-K(alphal) X-ray diffraction maxima for Form B of Compound 1 were calculated using the MDI/Jade Flnd Peaks routine and are listed Table 5.
Table 5
2Θ X-ray Maxima (in degrees) for Polymorph Form B of Compound 1
20 20 20 20 20 20 20
20 20 20 20 20 20 20
7.998 15.259 20.999 27.283 32.382 37.442 43.139
8.362 15.778 21.880 27.581 32.758 37.903 43.478
9.460 16.038 22.718 28.242 32.961 38.340 44.259
10.417 16.341 23.082 28.642 33.342 38.537 45.199
10.938 16.603 23.341 29.139 33.943 39.340 45.438
11.997 17.219 23.979 29.657 34.400 39.742 46.102
12.339 18.120 24.583 30.177 34.683 39.942 46.399
12.738 18.683 24.822 30.520 35.161 40.241 47.100
13.083 18.981 25.060 30.921 35.358 41.001 48.120
14.020 19.502 25.978 31.479 36.040 42.559 49.097
14.443 20.320 26.519 31.958 36.463 42.782
CHARACTERIZATION EXAMPLE 3
Slmulated X-Ray Powder Diffraction Pattem for Compound 1 Polymorph Form C
A slmulated powder pattem was calculated from the atomic coordinates and cell parameters determined from the single crystal structure for polymorph Form C of 5 Compound 1. This Is based on data collected at -100 °C. The X-ray pattem was calculated using the Cambridge Mercury program with Cu wavelength (0.154056 nm), 3 to 50 degrees 2-theta and a step size of 0.02 degrees. Peak positions were selected from the calculated pattem using the MDI/Jade software version 9. Cu-K(alpha1) X-ray diffraction maxima for Form C of Compound 1 were calculated using the MDI/Jade “Find Peaks routine and are 10 listed Table 6.
Table 6
2Θ X-ray Maxima (in degrees) for Polymorph Form C of Compound 1
20 20 20 20 20 20 20
6.181 15.442 20.760 25.837 31.279 36.920 42.080
7.222 15.777 21.161 26.300 31.878 37.480 42.662
7.603 16.423 21.585 26.557 32.499 37.719 43.141
8.363 16.859 22.120 27.160 33.061 38.239 44.44
8.657 17.360 22.420 27.520 33.479 38.457 44.899
9.377 17.697 22.996 28.180 33.737 38.956 45.141
11.860 18.340 23.542 28.661 34.418 39.378 46.300
12.421 18.583 23.880 29.281 34.662 39.601 47.319
13.041 19.098 24.379 29.579 35.541 40.360 47.639
20 20 20 20 20 20 20
13.583 19.420 24.701 30.001 35.961 41.059 48.239
14.479 19.899 25.181 30.502 36.239 41.640 48.825
15.041 20.360 25.622 30.761 36.618 41.861
CHARACTERIZATION EXAMPLE 4
Simulated X-Ray Powder Diffraction Pattern for Compound 1 Polymorph Form D A simulated powder pattern was calculated from the atomic coordinates and cell parameters determined from the single crystal structure for polymorph Form D of Compound 1. This is based on data coliected at -100 °C. The X-ray pattern was calculated using the Cambridge Mercury program with Cu wavelength (0.154056 nm), 3 to 50 degrees 2-theta and a step size of 0.02 degrees. Peak positions were selected from the calcuiated pattern using the MDI/Jade software version 9. Cu-K(alphal) X-ray diffraction maxima for Form D of Compound 1 were calcuiated using the MDI/Jade “Find Peaks routine and are iisted Table 7.
Table 7
2Θ X-ray Maxima (in degrees) for Polymorph Form D of Compound 1
20 20 20 20 20 20 20
5.981 16.160 24.099 28.717 32.343 37.858 46.103
10.342 17.821 24.679 28.921 32.658 39.200 46.420
11.641 18.001 25.121 29.162 33.060 39.521 47.980
12.263 18.478 25.279 29.516 33.442 40.160 48.797
12.520 19.320 25.682 29.801 34.420 40.461
14.598 20.778 26.120 29.943 35.421 41.160
14.840 21.281 26.922 30.143 36.683 41.556
15.378 22.583 27.497 31.219 37.023 42.641
15.620 23.320 28.460 31.600 37.383 43.620
CHARACTERiZATION EXAMPLE 5 _________X-Ray Powder Diffraction Pattern for Compound 1 Poiymorph Form TS_________
Powder X-ray diffraction was used to characterize the toluene solvaté polymorph form (Polymorph Form TS) of Compound 1. Data were obtained with a Philips X’PERT automated powder diffractometer, Model 3040. The diffractometer was equipped with automatic variabie anti-scatter and divergence slits, X’Celerator RTMS detector, and Ni filter. The radiation was Cu-K(alpha) (45 kV, 40 mA). Data were coliected at room température from 3 to 50 degrees 2-theta using a continuous scan with an équivalent step size of 0.02 degrees and a count time of 320 seconds per step in theta-theta geometry. Sampies were lightly ground with an agate mortar and pestle as needed and prepared on low background silicon specimen holders as a thln layer of powdered material. MDI/Jade software version 9.1 was used with the International Committee for Diffraction Data database PDF4+ 2008 for phase Identification. Cu-K(alphal) X-ray diffraction maxima for Form TS of Compound 1 were calculated using the MDI/Jade “Find Peaks routine and are listed Table 8.
Table 8
2Θ X-ray Maxima (in degrees) for Polymorph Form TS of Compound 1
28 28 28 28 28
6.889 14.508 18.603 24.451 32.222 36.906 42.015
8.608 14.908 19.053 25.672 32.671 37.452 43.869
9.997 15.728 20.325 26.942 33.561 38.323 45.173
11.433 16.481 21.643 27.945 33.994 39.057 46.092
12.871 16.998 22.429 28.913 34.528 40.711 47.514
13.606 17.433 23.316 30.951 36.114 41.548 48.148
CHARACTERIZATION EXAMPLE 6 __________Single Crystai X-Ray Diffraction for Polymorph Form A of Compound 1__________
Suitable single crystals for polymorph Form A were grown from slow évaporation of methanol. A coloriess Irregular block with approximate dimensions of 0.10 x 0.10 x 0.04 mm was chosen for data collection and mounted on a polymer loop. Single crystai data was collected using a Bruker Platform goniometer with an Apex-ll detector. The diffractometer was equipped with an Incident beam monochromator using Mo-Κα radiation (λ ® 0.71073 A) and a monocap collimator. The crystals were cooled ln a -100 ’C nitrogen flow during data collection.
The data were indexed and Integrated using the Apex-ll suite of programs including Sainplus and SADABS. The triciinic cell parameters were determined to be: a = 8.483(3) A, b = 10.004(3) A, c = 11.638(4) A, alpha = 86.690(5) beta = 87.984(5) , gamma = 65.114(4) ·, volume = 894.4(5) A3. The space group was determined to be P-1. The molecular weight was 468.23 g/mol glving a calculated density of 1.739 g/cm3, and μ(Μο) = 0.54 mm'1 for Z = 2. Data réduction led to 3684 unique data from a two-theta range = 3.50 to 53.12*. Structure solution and refinements were performed using the Shelxtl program suite with refinement based on F2 with scattering factors from Int. Tab. Vol C Tables 4.2.6.8 and 6.1.1.4. The final refinement statistics include a data/parameter ratio = 13.90, goodness-of-fit on F2 = 1.02, R indices[l>4sigma(l)] R1 = 0.0506, wR2 = 0.0977, R indices(all data) R1 = 0.0951, wR2 = 0.1141, max différence peak and hole = 0.310 and 0.379 e/A3. The atomic fractional coordinates( x 10*) and équivalent Isotropie displacement parameters are listed in Tables 9 and 10. U(eq) is defined as one third of the trace of the orthogonalized Uij tensor. The estimated standard déviations are shown In parenthèses.
Table 9
Atomic Coordinates (x 104) and Equivalent Isotropie Displacement Parameters (A2 x
103) for Compound 1 Polymorph Form A
Atom x y z U(eq)
Cl(1) -561(1) -1094(1) 6924(1) 43(1)
Cl(2) 2856(2) 1915(1) 10437(1) 62(1)
S(1) 4552(1) 2760(1) 8088(1) 32(1)
F(1) -6506(2) 2428(2) 4590(2) 44(1)
F(2) -5576(3) 3508(2) 3277(2) 49(1)
F(3) -4749(3) 1156(2) 3306(2) 54(1)
0(1) 1474(3) 4766(2) 6746(2) 37(1)
0(2) 5691(3) 1379(3) 8579(2) 49(1)
0(3) 5180(3) 3493(3) 7231(2) 45(1)
N(1) 2988(3) 2445(3) 7517(2) 30(1)
N(2) 403(3) 1635(3) 6768(2) 30(1)
N(4) -1720(3) 2916(3) 5502(2) 26(1)
C(1) 1618(4) 3510(4) 6917(3) 29(1)
C(2) 373(4) 2995(3) 6476(3) 27(1)
0(3) -911(4) 3799(4) 5719(3) 28(1)
0(5) -891(4) 1609(3) 6177(3) 27(1)
0(6) -1524(4) 513(3) 6103(3) 30(1)
0(7) -2841(4) 743(4) 5388(3) 32(1)
0(8) -3613(4) 2086(4) 4711(3) 29(1)
0(9) -3054(4) 3157(4) 4776(3) 30(1)
0(10) -5083(4) 2298(4) 3966(3) 36(1)
C(11) 3454(4) 4034(3) 9144(3) 26(1)
0(12) 2725(4) 3667(4) 10134(3) 36(1)
0(13) 1858(5) 4738(5) 10897(3) 51(1)
0(14) 1684(5) 6159(5) 10692(4) 56(1)
0(15) 2388(4) 6525(4) 9708(4) 44(1)
Atom x y z Uieq)
C(16) 3282(4) 5461(3) 8930(3) 33(1)
0(4) 2424(7) 7917(6) 9159(6) 46(2)
C(17) 1161(9) 9199(8) 9661(7) 50(2)
0(4’) 2039(6) 7914(5) 9778(5) 39(2)
0(17’) 2858(9) 8429(8) 8874(6) 40(2)
Table 10
Hydrogen Coordinates (x 104) and Isotropie Displacement Parameters (A2 x 103) for
Compound 1 Polymorph Form A
Atom x y z Ufeq)
H(3A) -1180 4749 5415 34
H(7A) -3248 18 5337 38
H(9A) -3563 4037 4338 36
H(13A) 1379 4498 11565 61
H(14A) 1090 6873 11219 67
H(16A) 3765 5705 8266 39
H(1) 3010(40) 1620(40) 7630(30) 26(9)
H(17A) 1226 10061 9297 75
H(17B) 1380 9161 10469 75
H(17C) 23 9242 9556 75
H(17D) 2567 9456 8956 61
H(17E) 2461 8300 8144 61
H(17F) 4095 7877 8916 61
CHARACTERIZATION EXAMPLE 7 __________Single Crystal X-Ray Diffraction for Polymorph Form B of Compound 1__________
Suitable single crystals of polymorph Form B of Compound 1 were grown from thermal gradient sublimation at 160 ’C. A coiorfess prism with approximate dimensions of 0.40 x 0.26 x 0.13 mm was chosen for data collection and mounted on a polymer loop. Single crystal data was collected using a Broker Piatform gonlometer with an Apex-ll 10 detector. The diffractometer Is equipped with an incident beam monochromator using MoKa radiation (λ = 0.71073Â ) and a monocap coliimator. The crystals were cooled in a -100e C nitrogen flow during data collection.
The data were Indexed and Integrated using the Apex-il suite of programs Including Sainplus and SADABS. The triclinlc cell parameters were determined to be: a =
11.6429(17) A, b = 12.0937(17) A, c = 14.859(2) A, alpha = 109.171(2) ·. beta = 92.359(2)*, gamma = 106.342(2) ’, volume = 1875.6(5) A3. The space group was determined to be P-1. The molecular weight was 468.23 g/mol glving a calculated density of 1.658 g/cm3, and p(Mo) = 0.52 mm'1 for Z = 4. Data réduction led to 8320 unique data 5 from a two-theta range = 2.94 to 54.50*. Structure solution and refinements were performed using the Shelxtl program suite with refinement based on F2 with scatterlng factors from Int. Tab. Vol C Tables 4.2.6.8 and 6.1.1.4. The final refinement statistics Include a data/parameter ratio = 13.80, goodness-of-fit on F2 = 1.06, R indices[i>4sigma(l)J R1 = 0.0446, wR2 = 0.1012, R indices(all data) R1 = 0.0732, wR2 = 0.1120, max différence 10 peak and hole = 0.354 and -0.453 e/A3. The atomic fractional coordinates (x 104) and équivalent isotropie displacement parameters are listed in Tables 11 and 12. U(eq) is defined as one third of the trace of the orthogonalized Uij tensor. The estimated standard déviations are shown in parenthèses.
Table 11
Atomic Coordinates (x 104) and Equivalent Isotropie Displacement Parameters (A2 x
103) for Compound 1 Polymorph Form B
Atom x Y z Uieg)
Cl(1) 9215(1) 2511(1) 5201(1) 40(1)
Cl(2) 12637(1) 398(1) 6790(1) 43(1)
Cl(21) 9857(1) 8175(1) 2427(1) 56(1)
Cl(22) 7769(1) 1721(1) 1632(1) 46(1)
S(1) 14843(1) 2991(1) 7570(1) 27(1)
S(21) 5885(1) 3011(1) 2823(1) 29(1)
F(1) 11222(2) 5634(2) 2620(1) 51(1)
F(2) 9386(2) 5058(2) 2883(1) 47(1)
F(3) 10074(2) 3794(2) 1859(1) 50(1)
F(21) 9708(2) 8703(2) -1033(2) 50(1)
F(22) 8228(2) 9345(2) -592(1) 51(1)
F(23) 7908(2) 7651(2) -1780(1) 50(1)
0(1) 15222(2) 3594(2) 5823(1) 32(1)
0(2) 15978(2) 3936(2) 7792(1) 33(1)
0(3) 14209(2) 2833(2) 8341(1) 35(1)
0(4) 17604(2) 649(2) 6058(2) 40(1)
0(21) 4965(2) 3179(2) 983(1) 33(1)
0(22) 4817(2) 3289(2) 3094(2) 37(1)
Atom x Y z Ufeo)
0(23) 6841(2) 3215(2) 3546(1) 36(1)
0(24) 2664(2) -1058(2) 1334(2) 41(1)
N(1) 13905(3) 3245(2) 6861(2) 28(1)
N(2) 12055(2) 3283(2) 5595(2) 27(1)
N(4) 12302(2) 4104(2) 4441(2) 26(1)
N(21) 6521(3) 3877(2) 2211(2) 30(1)
N(22) 7666(2) 5770(2) 1618(2) 29(1)
N(24) 7309(2) 5998(2) 203(2) 26(1)
C(1) 14219(3) 3510(2) 6049(2) 25(1)
C(2) 13250(3) 3662(2) 5486(2) 25(1)
C(3) 13421(3) 4156(3) 4779(2) 27(1)
C(5) 11482(3) 3544(2) 4942(2) 26(1)
C(6) 10240(3) 3303(3) 4650(2) 29(1)
C(7) 9881(3) 3673(3) 3946(2) 32(1)
C(8) 10766(3) 4306(3) 3503(2) 30(1)
C(9) 11950(3) 4518(3) 3741(2) 29(1)
C(10) 10365(3) 4704(3) 2724(2) 35(1)
C(11) 15046(3) 1589(2) 6871(2) 26(1)
C(12) 14097(3) 475(3) 6557(2) 32(1)
C(13) 14335(3) -598(3) 6047(2) 34(1)
C(14) 15493(3) -580(3) 5873(2) 34(1)
C(15) 16435(3) 522(3) 6182(2) 30(1)
C(16) 16193(3) 1609(3) 6679(2) 29(1)
C(17) 17922(4) -453(3) 5647(3) 46(1)
C(21) 5955(3) 3886(2) 1383(2) 28(1)
C(22) 6678(3) 4840(2) 1042(2) 26(1)
C(23) 6447(3) 4944(3) 175(2) 28(1)
C(25) 8026(3) 6471(3) 1101(2) 28(1)
C(26) 8967(3) 7601(3) 1327(2) 34(1)
C(27) 9146(3) 8181(3) 676(2) 36(1)
C(28) 8374(3) 7646(3) -225(2) 31(1)
C(29) 7485(3) 6573(3) -461(2) 28(1)
C(30) 8560(3) 8321(3) -914(2) 36(1)
Atom x Y z U(eq)
C(31) 5448(3) 1474(2) 2009(2) 26(1)
C(32) 6258(3) 918(3) 1535(2) 30(1)
C(33) 5848(3) -318(3) 975(2) 36(1)
C(34) 4655(3) -1007(3) 883(2) 34(1)
C(35) 3848(3) -459(3) 1359(2) 30(1)
C(36) 4245(3) 794(3) 1904(2) 29(1)
C(37) 2241(4) -2352(3) 810(3) 52(1)
Table 12
Hydrogen Coordinates (x 104) and Isotropie Displacement Parameters (A2 x 103) for
Compound 1 Polymorph Form B
Atom x Y z U(eq)
H(1) 13230(30) 3160(20) 6978(18) 10(7)
H(3) 14080(30) 4460(30) 4550(20) 24(8)
H(7) 9040(30) 3560(30) 3780(20) 44(10)
H(9) 12600(20) 4960(20) 3477(18) 16(7)
H(13) 13680(30) -1300(30) 5870(20) 28(8)
H(14) 15620(30) -1310(30) 5560(20) 50(10)
H(16) 16810(30) 2340(30) 6860(20) 29(8)
H(17) 18850(40) -150(30) 5690(20) 47(10)
H(17A) 17470(30) -980(30) 5000(30) 47(10)
H(17B) 17690(30) -990(30) 6000(30) 49(10)
H(21) 7250(30) 4290(30) 2360(30) 50(11)
H(23) 5860(30) 4480(20) -310(20) 21(7)
H(27) 9760(30) 8870(30) 810(20) 45(10)
H(29) 6950(30) 6140(30) -1030(20) 36(9)
H(33) 6400(30) -650(30) 670(20) 43(10)
H(34) 4340(30) -1920(30) 500(20) 46(9)
H(36) 3700(30) 1180(30) 2210(20) 32(8)
H(37) 1360(40) -2660(30) 890(30) 60(12)
H(37A) 2670(30) -2750(30) 1070(30) 50(11)
H(37B) 2260(40) -2520(40) 100(30) 75(13)
CHARACTERIZATION EXAMPLE 8 _________Single Crystal X-Ray Diffraction for Polymorph Form C of Compound 1__________
Suitable single crystals of polymorph Form C of Compound 1 were grown from thermal gradient sublimation at 160 ’C. A coiorless triangular plate with approximate dimensions of 0.13 x 0.13 x 0.06 mm was chosen for data collection and mounted on a polymer loop. Single crystal data was coliected using a Broker Platform gonlometer with an Apex-ll detector. The diffractometer was equipped with an incident beam monochromator using Mo-Κα radiation (λ = 0.71073A ) and a monocap collimator. The crystals were cooled in a -100 ’C nitrogen flow during data collection.
The data were Indexed and Integrated using the Apex-ll suite of programs including Sainplus and SADABS. The triclinic cell parameters were determined to be: a - 11.816(4) A, b = 15.036(5) A, c = 21.625(8) A, alpha = 92.255(6) ’, beta = 92.597(5) ’, gamma = 107.947(5) volume = 3646(2) A3. The space group was determined to be P-1. The molecular weight was 468.23 g/mol giving a calculated density of 1.706 g/cm3, and μ(Μο) = 0.53 mm*1 for Z = 8. Data réduction led to 11680 unique data from a two-theta range = 3.62 to 48,48’. Structure solution and refinements were performed using the Shelxtl program suite with refinement based on F2 with scattering factors from Int. Tab. Vol C Tables 4.2.6.8 and 6.1.1.4. The final refinement statistics Include a data/parameter ratio = 11.13, goodness-of-fit on F2 = 0.97, R ïndices[l>4sigma(l)J R1 = 0.0595, wR2 = 0.1201, R indices(all data) R1 = 0.1454, wR2 = 0.1546, max différence peak and hole = 0.890 and 0.357 e/A3. The atomic fractional coordinates(x 104) and équivalent isotropie displacement parameters are listed ln Tables 13 and 14. U(eq) is defined as one third of the trace of the orthogonalized Uij tensor. The estimated standard déviations are shown in parenthèses.
Table 13
Atomic Coordinates (x 104) and Equivalent Isotropie Displacement Parameters (A2 x
103) for Compound 1 Polymorph Form C
Atom x y z Ufeg)
Cl(1) 6400(1) 6726(1) 286(1) 44(1)
Cl(2) 8884(2) 9826(1) 2927(1) 60(1)
Cl(21) 4766(2) 4474(1) 1777(1) 64(1)
Cl(22) 3672(1) 5663(1) -310(1) 47(1)
Cl(41) -1571(2) 8384(1) 4287(1) 51(1)
Cl(42) -2104(1) 5101(1) 2310(1) 50(1)
Cl(61) -2362(1) 7296(1) 2514(1) 44(1)
Cl(62) 1367(1) 9154(1) 5072(1) 44(1)
Atom x y Z Uieg]
S{1) 6067(1) 9674(1) 2720(1) 36(1)
S(21) 2573(2) 7356(1) 33(1) 40(1)
S(41) 750(1) 5488(1) 2654(1) 35(1)
S(61) 2152(1) 7311(1) 4686(1) 36(1)
F(1) 6635(4) 9361(3) -1935(2) 67(1)
F{2) 7359(4) 8227(4) -1897(2) 94(2)
F(3) 5493(4) 7950(3) -2006(2) 76(1)
F(21) 5541(3) 6625(3) 4390(2) 62(1)
F(22) 4429(4) 5213(3) 4307(2) 70(1)
F(23) 6251(3) 5541(3) 4114(2) 62(1)
F(41) -2215(4) 7759(3) 6688(2) 74(1)
F(42) -3901(4) 6885(3) 6346(2) 69(1)
F(43) -2665(3) 6280(3) 6762(2) 59(1)
F(61) -721(3) 8196(3) 192(2) 66(1)
F(62) 749(3) 9422(3) 416(2) 56(1)
F(63) -1022(3) 9418(3) 586(2) 64(1)
0(1) 6063(4) 10736(3) 1590(2) 42(1)
0(2) 6210(3) 8915(3) 3055(2) 38(1)
0(3) 4969(4) 9858(3) 2708(2) 45(1)
0(4) 7499(5) 13124(3) 3513(2) 67(2)
0(21) 3416(4) 8404(3) 1265(2) 42(1)
0(22) 1805(4) 7893(3) 142(2) 48(1)
0(23) 3604(4) 7755(3) -300(2) 50(1)
0(24) -1363(4) 5143(3) -928(2) 44(1)
0(41) 56(3) 4553(3) 3832(2) 35(1)
0(42) 780(4) 6183(3) 2224(2) 40(1)
0(43) 1826(3) 5342(3) 2871(2) 41(1)
0(44) 186(4) 2227(3) 1824(2) 57(1)
0(61) 3329(4) 8208(3) 3584(2) 36(1)
0(62) 2817(4) 6711(3) 4507(2) 42(1)
0(63) 1163(4) 6960(3) 5056(2) 43(1)
0(64) 6113(3) 8915(3) 5767(2) 39(1)
N(1) 6349(4) 9441(3) 2002(2) 34(1)
Atom X y z Uieg)
N(2) 6290(4) 8632(3) 838(2) 30(1)
N(4) 6322(4) 9259(3) -80(2) 32(1)
N(21) 2965(5) 7016(4) 698(2) 44(1)
N(22) 4007(4) 6278(3) 1604(2) 32(1)
N<24) 4376(4) 6743(3) 2608(2) 31(1)
N(41) 77(4) 5774(3) 3242(2) 31(1)
N(42) -936(4) 6537(3) 4124(2) 30(1)
N(44) -1560(4) 6033(3) 5037(2) 30(1)
N(61) 1602(4) 7655(3) 4062(2) 31(1)
N(62) 310(4) 7796(3) 2988(2) 31(1)
N(64) 1005(4) 8472(3) 2118(2) 31(1)
C(1) 6214(5) 9972(4) 1521(3) 32(2)
C(2) 6259(5) 9528(4) 907(3) 32(2)
C(3) 6282(5) 9940(4) 356(3) 32(2)
C(5) 6318(5) 8484(4) 238(3) 27(1)
C(6) 6379(5) 7676(4) -107(3) 33(2)
C(7) 6438(5) 7708(5) -735(3) 39(2)
C(8) 6424(5) 8527(4) -1034(3) 33(2)
C(9) 6356(5) 9295(5) -712(3) 37(2)
C(10) 6495(6) 8534(6) -1718(3) 49(2)
C(11) 1 7193(6) 10723(4) 2970(3) 37(2)
C(12) 8367(6) 10756(5) 3083(3) 43(2)
C(13) 9183(7) 11568(5) 3341(3) 57(2)
C(14) 8865(7) 12324(6) 3481(3) 57(2)
C(15) 7713(8) 12321(4) 3363(3) 50(2)
C(16) 6822(6) 11500(5) 3092(3) 43(2)
C(17) 6329(6) 13094(5) 3426(3) 53(2)
C(21) 3414(5) 7600(5) 1228(3) 36(2)
C(22) 3792(5) 7111(4) 1715(3) 29(1)
C(23) 4033(5) 7411(4) 2331(3) 32(2)
C(25) 4359(5) 6064(4) 2150(3) 31(2)
C(26) 4720(5) 5308(4) 2339(3) 37(2)
C(27) 5029(5) 5238(4) 2929(3) 41(2)
Atom X y z U(eq)
C(28) 5002(5) 5950(4) 3385(3) 36(2)
C(29) 4684(5) 6676(4) 3223(3) 33(2)
C(30) 5306(6) 5831(5) 4046(3) 47(2)
C(31) 1724(5) 6269(4) -327(2) 31(2)
C(32) 2190(5) 5557(4) -485(3) 32(2)
C(33) 1468(5) 4728(4) -763(3) 35(2)
C(34) 287(6) 4623(5) -906(3) 39(2)
C(35) -183(5) 5331(4) -768(3) 32(2)
C(36) 520(5) 6151(4) -474(3) 35(2)
C(37) -1866(5) 5879(5) -836(3) 46(2)
C(41) -203(5) 5260(5) 3757(3) 30(1)
C(42) -807(5) 5681(4) 4205(3) 28(1)
C(43) -1190(5) 5346(4) 4760(3) 29(1)
C(45) -1403(5) 6733(4) 4634(3) 28(1)
C(46) -1717(5) 7546(4) 4813(3) 34(2)
C(47) -2170(5) 7599(4) 5372(3) 35(2)
C(48) -2279(5) 6860(4) 5776(3) 33(2)
C(49) -1989(5) 6085(5) 5617(3) 37(2)
C(50) -2770(6) 6933(5) 6392(3) 46(2)
C(51) -230(5) 4393(4) 2346(2) 30(2)
C(52) -1440(5) 4251(4) 2185(3) 34(2)
C(53) -2098(6) 3397(5) 1914(3) 41(2)
C(54) -1611(6) 2699(5) 1789(3) 45(2)
C(55) -419(6) 2850(4) 1936(3) 40(2)
C(56) 264(5) 3695(4) 2224(3) 35(2)
C(57) -450(7) 1370(5) 1493(4) 73(2)
C(61) 2255(6) 8011(4) 3571(3) 28(1)
C(62) 1538(5) 8145(4) 3029(3) 31(2)
C(63) 1978(5) 8563(4) 2509(3) 31(2)
C(65) 10(5) 8010(4) 2430(3) 25(1)
C(66) -1125(5) 7837(4) 2120(3) 28(1)
C(67) -1205(5) 8116(4) 1546(3) 32(2)
C(68) -167(5) 8584(4) 1243(3) 36(2)
Atom x Y z Ufeg)
C(69) 919(5) 8758(5) 1529(3) 37(2)
0(70) -276(6) 8904(5) 615(3) 45(2)
0(71) 3137(5) 8336(4) 5069(2) 28(1)
0(72) 2789(5) 9102(4) 5244(3) 30(2)
0(73) 3582(5) 9836(4) 5586(2) 31(2)
0(74) 4710(5) 9801(4) 5765(2) 32(2)
0(75) 5043(5) 9037(4) 5603(3) 29(1)
0(76) 4259(5) 8300(4) 5236(2) 29(1)
0(77) 6895(5) 9597(4) 6204(3) 42(2)
Table 14
Hydrogen Coordinates (x 104) and Isotropie Displacement Parameters (A2 x 103) for Compound 1 Poiymorph Form C
Atom x Y z Ufeg)
H(1A) 6596 8954 1925 41
H(21A) 2885 6417 723 53
H(41A) -119 6292 3227 38
H(61A) 840 7608 4042 37
H(3A) 6273 10558 288 38
H(7A) 6489 7179 -972 47
H(9A) 6332 9839 -915 44
H(13A) 9988 11587 3421 69
H(14A) 9441 12871 3665 68
H(16A) 6023 11489 3001 52
H(17A) 6235 13679 3596 80
H(17B) 5822 12566 3637 80
H(17C) 6096 13018 2981 80
H(23A) 3970 7974 2520 39
H(27A) 5268 4718 3049 49
H(29A) 4668 7148 3524 40
H(33A) 1782 4231 -856 42
H(34A) -212 4052 -1102 47
H(36A) 192 6637 -370 42
H(37A) -2714 5656 -970 69
Atom x y z Uieg)
H(37B) -1455 6407 -1078 69
H(37C) -1777 6081 -395 69
H(43A) -1198 4764 4919 35
H(47A) -2412 8124 5492 42
H(49A) -2076 5595 5893 44
H(53A) -2921 3286 1809 49
H(54A) -2092 2115 1602 54
H(56A) 1081 3793 2337 42
H(57A) 87 996 1427 110
H(57B) -764 1502 1091 110
H(57C) -1112 1021 1732 110
H(63A) 2791 8857 2433 37
H(67A) -1967 7999 1338 39
H(69A) 1615 9074 1327 45
H(73A) 3359 10372 5700 37
H(74A) 5253 10312 6002 38
H(76A) 4497 7778 5103 35
H(77A) 7548 9370 6350 64
H(77B) 6449 9698 6557 64
H(77C) 7222 10188 6004 64
CHARACTER1ZATION EXAMPLE 9 __________Single Crystal X-Ray Diffraction for Polymorph Form D of Compound 1__________ Suitable single crystals of polymorph Form D of Compound 1 were grown by slow évaporation of a saturated solution of Compound 1 in acetonitrile. A coloriess Irregular 5 block with approximate dimensions of 0.50 x 0.50 x 0.33 mm was chosen for data collection and mounted on a polymer loop. Single crystal data was collected using a Broker Platform gonlometer with an Apex-ll detector. The diffractometer was equlpped with an Incident beam monochromator using Mo-Κα radiation (λ = 0.71073 A) and a monocap collimator. The crystals were cooled In a -100’ C nitrogen flow during data collection.
The data were indexed and integrated using the Apex-ll suite of programs including
Sainplus and SADABS. The triclinic cell parameters were determined to be: a = 7.223(3) A, b = 8.676(4) A, c = 14.905(6) A, alpha = 92.207(6) ’, beta = 97.182(7) gamma = 99.385(6) ’, volume = 912.6(7) A3. The space group was determined to be P-1. The molecular weight was 468.23 g/mol giving a calculated density of 1.704 g/cm3, and μ(Μο) = 0.53 mm'1 for Z = 2. Data réduction led to 4449 unique data from a two-theta range = 4.76 to 56.88e. Structure solution and refinements were performed using the Shelxtl program suite with refinement based on F2 with scattering factors from Int Tab. Vol C Tables 4.2.6.8 5 and 6.1.1.4. The final refinement statistics inciude a data/parameter ratio = 16.66, goodness-of-fit on F2 = 1.00, R lndices[l>4sigma(l)] R1 = 0.0466, wR2 = 0.1221, R lndices(all data) R1 = 0.0718, wR2 = 0.1362, max différence peak and hole = 0.379 and 0.394 e/Â3. The atomic fractional coordinates(x 104) and équivalent isotropie displacement parameters are listed In Tables 15 and 16. U(eq) is defined as one third of the trace of the 10 orthogonalized Uij tensor. The estimated standard déviations are shown In parenthèses.
Table15
Atomic Coordinates (x 104) and Equivalent Isotropie Displacement Parameters (A2 x 103) for Compound 1 Polymorph Form D
Atom X y z Uieg)
0(4) 1339(3) -2648(2) 3615(1) 49(1)
S(1) 4949(1) 2693(1) 3312(1) 36(1)
Cl(1) 12928(1) 5241(1) 1308(1) 43(1)
F(1) 13968(2) 1644(2) -1576(1) 48(1)
0(1) 4162(2) 1171(2) 1398(1) 41(1)
N(1) 6173(3) 2856(3) 2440(2) 36(1)
C(1) 5682(3) 2018(3) 1619(2) 32(1)
Cl(2) 8842(1) 1369(1) 4055(1) 48(1)
F(2) 12443(2) 3251(2) -2282(1) 51(1)
0(2) 6042(3) 3790(2) 3997(1) 46(1)
C(2) 7200(3) 2233(3) 1034(2) 32(1)
N(2) 8877(3) 3242(2) 1299(1) 32(1)
F(3) 11181(2) 816(2) -2290(1) 52(1)
0(3) 3039(3) 2824(2) 2997(1) 44(1)
C(3) 7183(4) 1454(3) 216(2) 39(1)
N(4) 8915(3) 1993(2) -47(1) 33(1)
C(5) 9893(3) 3085(3) 634(2) 31(1)
C(6) 11726(3) 3857(3) 493(2) 32(1)
C(7) 12457(3) 3499(3) -271(2) 34(1)
C(8) 11386(3) 2355(3) -936(2) 33(1)
C(9) 9639(4) 1613(3) -825(2) 37(1)
Atom x y z Uieg)
C(10) 12227(4) 2016(3) -1778(2) 39(1)
C(11) 4973(3) 739(3) 3610(2) 32(1)
C(12) 6625(3) 176(3) 3922(2) 35(1)
C(13) 6522(4) -1388(3) 4108(2) 39(1)
C(14) 4776(4) -2387(3) 4004(2) 40(1)
C(15) 3129(4) -1807(3) 3719(2) 36(1)
C(16) 3234(3) -244(3) 3513(2) 34(1)
C(17) 1087(5) -4247(3) 3840(2) 52(1)
Table 16
Hydrogen Coordinates (x 104) and Isotropie Displacement Parameters (A2 x 103) for
Compound 1 Polymorph Form D
Atom X y z Uieg)
H(1) 7050(40) 3210(30) 2544(18) 24(8)
H(3A) 6187 704 -101 47
H(7A) 13680 4010 -364 41
H(9A) 8933 854 -1269 44
H(13A) 7646 -1781 4308 47
H(14A) 4714 -3459 4128 48
H(16A) 2113 148 3306 41
H(17A) -266 -4648 3827 79
H(17B) 1746 -4324 4449 79
H(17C) 1608 -4866 3401 79
CHARACTERIZATION EXAMPLE 10 _________Single Crystal X-Ray Diffraction for Polymorph Form TS of Compound 1_________
Suitable single crystals for the toluene solvaté of Compound 1 (designated polymorph Form TS) were grown by slow évaporation of a saturated solution of Compound 1 ln toluene. A coiorless needle with approximate dimensions of 0.48 x 0.13 x 0.04 mm was chosen for data collection and mounted on a polymer loop. Single crystal data were 10 collected using a Broker Platform goniometer with an Apex-ll detector. The diffractometer is equipped with an incident beam monochromator using Mo-Κα radiation (λ = 0.71073 A) and a monocap coilimator. The crystals were cooled ln a -100 *C nitrogen flow during data collection.
The data were Indexed and Integrated using the Apex-ll suite of programs including Sainplus and SADABS. The triclinlc cell parameters were determined to be: a = 12.547(6) A, b = 15.165(7) A, c = 15.311(7) A, alpha = 100.594(9) ·, beta = 109.609(8) ·. gamma = 110.924(8) ·, volume = 2405.8(19) A3. The space group was determined to be P-1. The 5 molecular weight was 560.36 g/mol giving a calculated density of 1.547 g/cm3, and p(Mo) = 0.42 mm*1 for Z = 4. Data réduction led to 10653 unique data from a two-theta range = 3.48 to 54.44”. Structure solution and refinements were performed using the Shelxti program suite with refinement based on F2 with scattering factors from Int Tab. Vol C Tables 4.2.6.8 and 6.1.1.4. The final refinement statistics Include a data/parameter ratio = 16.31, 10 goodness-of-fit on F2 = 1.02, R indices[i>4sigma(l)] R1 = 0.0727, wR2 = 0.1676, R lndices(all data) R1 = 0.1546, wR2 = 0.2053, max différence peak and hole = 0.641 and 0.637 e/A3. The atomlc fractional coordinates(x 104) and équivalent isotropie displacement parameters are listed In Tables 17 and 18. U(eq) is defined as one thlrd of the trace of the orthogonalized Uij tensor. The estimated standard déviations are shown In parenthèses.
Table 17
Atomlc Coordinates (x 104) and Equivalent Isotropie Displacement Parameters (A2 x
103) for Compound 1 Polymor ph Form TS
Atom x y z Uieg)
CI(1) 4975(1) 1411(1) 2566(1) 53(1)
Cl(2) 114(1) 2917(1) 505(1) 58(1)
Ci(21) 1524(1) 1282(1) -13(1) 50(1)
Cl(22) 7874(1) 3395(1) 3083(1) 58(1)
S(1) 2877(1) 4894(1) 1388(1) 36(1)
S(21) 7216(1) 5258(1) 3748(1) 34(1)
F(1) 5308(3) 2050(2) 6851(2) 60(1)
F(2) 4357(3) 588(2) 5748(2) 63(1)
F(3) 6348(3) 1455(3) 6287(3) 76(1)
F(21) 845(3) 1366(3) -3764(2) 65(1)
F(22) 1629(3) 350(2) -3557(2) 66(1)
F(23) 2696(3) 1749(2) -3651(2) 62(1)
0(1) 3274(3) 5092(2) 3429(2) 40(1)
0(2) 2613(3) 4373(3) 407(2) 47(1)
0(3) 3920(3) 5885(2) 1903(3) 43(1)
0(4) 816(3) 7018(2) 2121(3) 48(1)
0(21) 7020(3) 5485(2) 1840(2) 39(1)
Atom X y z U(eq)
0(22) 6914(3) 4706(2) 4361(2) 44(1)
0(23) 7210(3) 6215(2) 3903(2) 44(1)
0(24) 11876(3) 7562(3) 4794(3) 55(1)
N(1) 3126(3) 4153(3) 2015(3) 32(1)
N(2) 4142(3) 3090(3) 3025(3) 29(1)
N(4) 4399(3) 3041(3) 4535(3) 29(1)
N(21) 6163(3) 4503(3) 2618(3) 31(1)
N(22) 4119(3) 3178(3) 791(3) 30(1)
N(24) 4031(3) 3083(3) -711(3) 29(1)
0(1) 3403(4) 4405(3) 3013(3) 32(1)
0(2) 3831(4) 3765(3) 3480(3) 26(1)
0(3) 3987(4) 3756(3) 4406(3) 32(1)
0(5) 4478(4) 2654(3) 3673(3) 31(1)
0(6) 4878(4) 1896(3) 3625(4) 35(1)
0(7) 5145(4) 1551(3) 4389(4) 37(1)
0(8) 5029(4) 1963(3) 5241(4) 36(1)
0(9) 4669(4) 2709(3) 5319(3) 33(1)
0(10) 5267(5) 1535(4) 6039(4) 44(1)
0(11) 1509(4) 4968(3) 1392(3) 33(1)
0(12) 332(4) 4134(3) 990(4) 38(1)
0(13) •702(4) 4273(4) 971(4) 43(1)
0(14) -582(4) 5230(4) 1334(4) 42(1)
0(15) 579(4) 6052(4) 1731(4) 36(1)
0(16) 1633(4) 5922(3) 1773(4) 36(1)
0(17) -250(5) 7204(4) 2029(4) 51(1)
0(21) 6202(4) 4726(3) 1797(3) 29(1)
C(22) 5168(4) 3956(3) 854(3) 29(1)
C(23) 5127(4) 3920(3) -56(3) 31(1)
0(25) 3447(4) 2664(3) -157(3) 28(1)
0(26) 2271(4) 1776(3) -689(3) 33(1)
0(27) 1791(4) 1348(3) -1674(3) 34(1)
C(28) 2456(4) 1803(3) -2195(3) 31(1)
0(29) 3547(4) 2656(3) -1715(3) 32(1)
Atom x ï z U(eg)
C(30) 1912(5) 1324(4) -3276(4) 42(1)
C(31) 8710(4) 5430(3) 3815(3) 31(1)
C(32) 8999(4) 4644(4) 3571(4) 39(1)
C{33) 10224(5) 4854(4) 3700(4) 45(1)
C(34) 11158(5) 5834(4) 4098(4) 45(1)
C(35) 10883(4) 6621(4) 4372(4) 42(1)
C(36) 9649(4) 6417(4) 4213(3) 35(1)
C(37) 11653(5) 8372(4) 5147(6) 77(2)
C(40) 582(7) 2435(6) 3159(6) 104(3)
C(41) 1006(5) 1600(5) 3079(5) 72(2)
C(42) 1132(6) 1203(5) 2253(5) 66(2)
C(43) 1515(6) 476(6) 2168(6) 76(2)
C(44) 1832(6) 105(5) 2992(8) 104(3)
C(45) 1677(6) 548(6) 3814(6) 78(2)
C(46) 1282(6) 1266(6) 3819(5) 80(2)
C(50) 6001(8) 1857(6) -648(9) 144(5)
C(51) 4910(12) 1078(9) -849(11) 159(5)
C(52) 4059(10) 307(7) -1675(6) 98(3)
C(53) 2955(10) -523(8) -1811(8) 124(3)
C{54) 2697(11) -556(9) -1003(8) 125(4)
C(55) 3450(17) 147(14) -140(10) 181(7)
C(56) 4560(12) 994(9) -24(8) 116(4)
Table 18
Hydrogen Coordinates (x 104) and Isotropie Displacement Parameters {A2 x 103) for
Compound 1 Polymorph Form TS
Atom x y z U(eg)
H(1A) 3082 3582 1708 39
H(21A) 5550 3933 2537 37
H(3A) 3841 4158 4862 39
H(7A) 5409 1037 4353 45
H(9A) 4608 2992 5897 40
H(13A) -1508 3706 706 52
H(14A) -1306 5314 1308 50
Atom x Y z ÜÎeq)
. H(16A) 2444 6489 2065 44
H(17A) 37 7930 2289 76
H(17B) -658 6875 2403 76
H(17C) -858 6935 1331 76
H(23A) 5731 4379 -201 37
H(27A) 1015 747 -2022 41
H(29A) 3977 2960 -2066 38
H(33A) 10419 4320 3513 54
H(34A) 11995 5973 4185 54
H(36A) 9448 6954 4376 42
H(37A) 12456 8992 5482 115
H(37B) 11291 8243 5613 115
H(37C) 11059 8445 4591 115
H(40A) 39 2329 3502 156
H(40B) 106 2417 2495 156
H(40C) 1329 3091 3529 156
H(42A) 942 1450 1723 79
H(43A) 1577 210 1585 92
H(44A) 2119 -395 2977 125
H(45A) 1856 335 4370 94
H(46A) 1197 1545 4386 96
H(50A) 5833 2242 -1081 215
H(50B) 6582 1608 -760 215
H(50C) 6388 2292 43 215
H(52A) 4208 312 -2243 117
H(53A) 2410 -1040 -2438 149
H(54A) 1958 -1102 -1079 150
H(55A) 3271 104 410 217
H(56A) 5082 1514 603 140
CHARACTERIZATION EXAMPLE 11 Differential Scannlng Calorimetry Expérimente
The DSC curve for pure polymorph Form A of Compound 1 was observed to exhibit a sharp endotherm with an onset température at 212 ‘C (signal maximum at 212.6 ’C)
Immediately followed or overlapped by an exotherm with a signal maximum at 213 ’C. These endothermlc-exothermic events were followed by a main melting endotherm at an onset température of 218 'C (signal maximum at 219 ’C, end point 225 'C, heat of transition 63 J/g).
The DSC curve for polymorph Form B of Compound 1 was observed to exhibit a minor endotherm with an onset température of 205 'C (signal maximum at 208 'C, heat of transition 4 J/g) and a sharp major endotherm with an onset température at 217.9 'C (signal maximum at 218 'C, heat of transition 56 J/g).
The DSC curve for polymorph Form D of Compound 1 was observed to exhibit a minor endotherm at an onset température of 211 'C (maximum at 212 ’C, heat of transition 10 J/g) and a sharp major endotherm at an onset température of 218 ’C (maximum at 219 'C, heat of transition 62 J/g).
The DSC curve for polymorph Form TS of Compound 1 (toluene solvaté) was observed to exhibit four endotherms. Endotherm 1 was a broad endotherm with an onset température of 118 ’C (signal maximum at 137 ’C, heat of transition 74 J/g). Endotherm 2 had an onset température at 200 ’C (signal maximum at 202 ’C, heat of transition 6 J/g). Endotherm 3 had an onset température at 207 ’C (signal maximum at 208 ’C, heat of transition 3 J/g). Endotherm 4 had an onset température at 216 ’C (signal maximum at 217 ’C, heat of transition 42 J/g).
The DSC curve of mixtures of polymorph Forms A and B of Compound 1 prepared from polymorph Form TS according to Préparation Example 2 were observed to exhibit a minor endotherm with an onset température at 208 ’C (signal maximum at 211 ’C, heat of transition 4.6 J/g) and a sharp major endotherm with an onset température at 218 ’C (signal maximum at 219 ’C, heat of transition 58 J/g).
CHARACTERIZATION EXAMPLE 12 ________________________________Relative Stability Experiments_______________________________
The relative stability of various crystal forms of Compound 1 were subjected to noncompetitive and compétitive interconversion experiments. For the non-competitive experiments, only a single starting crystal form was used to study the potentiel conversion to another more stable form. For the compétitive experiments, two or more crystal forms were mixed together and studied for the potential conversion to a more stable form. The experimental conditions are described below and summarized in Table 19.
In Example 12a, Form A of Compound 1 (0.4 g) prepared according to Préparation Example 5c was refluxed in deionized water (4 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried in a vacuum oven at ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC, TGA and 1HNMR of the resulting material Indicated that the crystal form remalned unchanged, i.e. Form A.
In Example 12b, Form B of Compound 1 (0.4 g) prepared according to Préparation Example 5f was refluxed In deionlzed water (4 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried in a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material Indicated Form A.
In Example 12c, Form D of Compound 1 (0.4 g) prepared according to Préparation Example 5g was refluxed in deionized water (4 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried In a vacuum oven at 70 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC, TGA and 1H-NMR of the resulting material Indicated Form A.
In Example 12d, Form TS of Compound 1 (1 g) prepared according to Préparation Example 1 was refluxed In deionlzed water (10 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC, TGA and 1HNMR of the resulting material Indicated Form A.
In Example 12e, Form A (0.6 g) and Form B (0.6 g) of Compound 1 prepared according to Préparation Examples 5c and 5f, respectively, were blended as solids and refluxed In deionized water (12 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC, TGA and ’H-NMR of the resulting material indicated Form A.
In Example 12f, Form B (0.6 g) and Form D (0.6 g) of Compound 1 prepared according to Préparation Examples 5f and 5g, respectively, were blended as solids and refluxed In deionized water (12 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried in a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC and ’H-NMR of the resulting material Indicated Form A.
In Example 12g, Form A (0.6 g) and Form D (0.6 g) of Compound 1 prepared according to Préparation Examples 5c and 5g, respectively, were blended as solids and refluxed in deionized water (12 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressura for 12 hours. Analysis by pXRD, DSC and ’H-NMR of the resulting material Indicated Form A.
In Example 12h, Form A (0.25 g), Form B (0.25 g), Form D (0.25 g) and Form TS (0.25 g) of Compound 1 prepared according to Préparation Examples 5c, 5f, 5g, and 1, respectively, were blended as solids and refluxed in deionized water (10 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC and 1H-NMR of the resulting material Indicated Form A.
In Example 121, Form A (0.25 g), Form B (0.25 g), Form D (0.25 g) and mixed Forms A and B (0.25 g) of Compound 1 prepared according to Préparation Examples 5c, 5f, 5g and 2, respectively, were blended as solids and refluxed in deionized water (10 mL) at about 95 ’C for 3 hours. The slurry was cooled to 25-30 ‘C, filtered, suction dried for 1 hour and dried In a vacuum oven at 65 'C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC and 1H-NMR of the resulting material indicated Form A.
In Example 12j, Form A (0.25 g), Form B (0.25 g), Form D (0.25 g) and mixed Forms A and B (0.25 g) of Compound 1 prepared according to Préparation Examples 5c, 5f, 5g and 2, respectively, were blended as solids and heated in methanol (10 mL) at about 55 ’C for 3 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried In a vacuum oven at 55 ’C and 1.3 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC and 1H-NMR of the resulting material Indicated Form A.
In Example 12k, Form A (0.9 g), Form B (0.9 g), Form D (0.9 g) of Compound 1 prepared according to Préparation Examples 5c, 5f, and 5g, respectively, were blended as solids and heated in deionized water (27 mL) at about 55 ’C for 168 hours. The slurry was cooled to 25-30 ’C, filtered, suction dried for 1 hour and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC and 1H-NMR of the resulting material Indicated Form A.
In Exemple 121, the mixed Forms A and B (2.0 g) of Compound 1 prepared according to Préparation Example 2 was added to a 100 mL three-neck round-bottom flask equipped with magnetic stirrer and température probe. Deionized water (40 mL) was added and the resulting slurry was stirred at 25 ’C for about 168 hours. The slurry filtered, suction dried for 1 hour and dried In a vacuum oven at 65 ’C and 8 kPa absolute pressure for 12 hours. Analysis by pXRD, DSC and 1H-NMR of the resulting material indicated Form A.
Table 19
Rela ive Stability Experiments for Various Crystal Forms of Compound 1
Example Starting Crystal Form Solvent Température (’C); time (h) Obtained Crystal Form
12a A water 95; 3 A
12b B water 95; 3 A
12c D water 95; 3 A
12d TS water 95; 3 A
12e A, B water 95; 3 A
12f B, D water 95; 3 A
12g A.D water 95; 3 A
12h A, B, D, TS water 95; 3 A
12i A, B, D, A+B water 95; 3 A
12j A, B, D, A+B methanol 55; 3 A
12k A, B, D water 55; 168 A
121 A+B water 25; 168 A
CHARACTERIZATION EXAMPLE 13 _______________Stability Experiment for Polymorph Form A of Compound 1_______________ 5 The physical stability of Form A of Compound 1 was determined as follows.
Compound 1 prepared according to Préparation Example 3 was analyzed by pXRD, DSC, HPLC and 1H-NMR and found to be of pure crystal Form A of 99.9 % purity (by HPLC peak area at 230 nm détection wavelength). An aliquot of the sample (3.0 g) was placed in a primary polyethylene bag, the primary bag was flushed with nitrogen gas and sealed. The 10 primary polyethylene bag was then placed In a secondary polyethylene bag which was again flushed with nitrogen gas and a silica gel sachet was placed between the Inner and the outer bag. The double bagged material was then placed in a triple laminated aluminum pouch and placed In a stability chamber at 40 ’C for 30 days. Analysis by HPLC and 1HNMR of the resulting material lndicated pure Form A of Compound 1 of 99.9 % purity (by 15 HPLC peak area at 230 nm). Analysis by pXRD and DSC lndicated pure polymorph Form
A. The results confirm both chemical stability of Compound 1 as well as the stability of polymorph Form A under the conditions studied.
CHARACTERIZATION EXAMPLE 14 _________Single Cryslal X-Ray Diffraction for Polymorph Form C of Compound 1__________ Suitable single crystals for polymorph Form C of Compound 1 were grown from thermal gradient sublimation at 250 ’C. A colorless Irregular plate with approximate dimensions -0.320 x 0.230 x 0.060mm was chosen for data collection and mounted on a polymer loop. Single crystal data were collected using a Bruker Platform goniometer with an Apex-ll detector. The diffractometer Is equipped with an incident beam monochromator using MoKa radiation (λ = 0.71073A ) and a monocap collimator. The crystals were run at room température (23 ’C).
The data were indexed and integrated using the Apex-ll suite of programs Including Sainplus and SADABS. The triclinic cell parameters were determined to be: a = 14.835(7) A, b = 15.216(8) A, c = 18.790(10) A, alpha = 90.306(7) beta = 93.619(7) gamma = 113.045(7) *, volume = 3893(3) A3. The space group was determined to be P-1. The molecular weight was 468.23 giving a calculated density of 1.598g/cm3, and μ(Μο) = 0.50mm‘1 for Z = 8. Data réduction led to 12368 unique data from a two-theta range - 2.18 to 48.66’. Structure solution and refinements were performed using the Shelxtl program suite with refinement based on F2 with scattering factors from Int. Tab. Vol C Tables 4.2.6.8 and 6.1.1.4. The final refinement statistics include a data/parameter ratio = 11.78, goodness-of-fit on F2 = 1.29, R indices[l>4sigma(l)] R1 = 0.1124, wR2 = 0.2544, R indices(aii data) R1 = 0.2440, wR2 = 0.2969, max différence peak and hole = 0.656 and 0.435 e/Λ3. The asymmetric unit contains four molécules. The form undergoes a crystallographlc phase change when the crystals were cooled. The same crystalîite was cooled to -100 ’C and the resulting unit cell parameters were triclinic, P-1, a = 11.816(4) A, b - 15.036(5) A, c = 21.625(8) Λ, alpha = 92.255(6) ’, beta s 92.597(5) ’, gamma = 107.947(5) ’, Vol = 3646(2) A3, Z = 8. The atomic fractional coordinates(x 104) and équivalent isotropie displacement parameters are listed and U(eq) is defined as one thlrd of the trace of the orthogonalized Uij tensor. The estimated standard déviations are shown In parenthèses.
Table 20
Atomic Coordinates (x 104) and Equivalent Isotropie Displacement Parameters (A2 x
103) for Compound 1 Polymorph Form C at Room Température
Atom x y z Uieq)
Cl(1) 4670(3) 13564(3) 3673(3) 108(1)
S(1) 1417(2) 8900(2) 3990(2) 65(1)
F(1) 8439(7) 14244(9) 4765(8) 181(6)
Atom £ Y z üfeg)
0(1) 3384(5) 8914(6) 4286(4) 63(2)
N(1) 2497(6) 9779(6) 3957(5) 63(3)
C(1) 3379(8) 9633(10) 4162(6) 59(3)
0(2) 1838(3) 9382(3) 2330(2) 107(1)
F(2) 8467(7) 14127(8) 3653(8) 171(5)
0(2) 1334(6) 8480(6) 4678(5) 79(3)
N(2) 4144(6) 11407(7) 3965(5) 53(2)
0(2) 4247(7) 10565(8) 4112(5) 50(3)
F(3) 8678(5) 13101(7) 4328(6) 141(4)
0(3) 740(5) 9310(5) 3776(5) 81(3)
0(3) 5184(8) 10643(8) 4262(6) 56(3)
0(4) 690(7) 5473(7) 3345(6) 100(3)
N(4) 5739(6) 11615(7) 4166(5) 55(2)
0(5) 5081(8) 12039(8) 4010(6) 52(3)
0(6) 5483(9) 13038(9) 3902(7) 68(3)
0(7) 6491(9) 13545(9) 3980(6) 68(3)
0(8) 7099(8) 13062(10) 4151(7) 66(3)
0(9) 6737(8) 12148(9) 4241(6) 66(3)
0(10) 8165(11) 13633(14) 4262(13) 116(6)
0(11) 1374(8) 8024(9) 3354(7) 60(3)
0(12) 1529(8) 8254(9) 2653(8) 71(4)
0(13) 1416(10) 7550(13) 2146(8) 87(4)
0(14) 1127(9) 6643(13) 2348(9) 94(5)
0(15) 987(8) 6381(10) 3064(8) 71(4)
0(16) 1098(7) 7116(9) 3557(7) 65(4)
0(17) 429(12) 4715(11) 2852(10) 142(7)
0(21) -386(3) 768(3) 557(2) 113(1)
S(21) 3458(3) 4973(3) 1524(2) 84(1)
F(21) -3470(7) 1165(10) -889(6) 194(6)
0(21) 1767(6) 5507(7) 1015(5) 91(3)
N(21) 2265(7) 4326(8) 1364(6) 84(3)
0(21) 1586(9) 4665(12) 1078(7) 69(4)
0(22) 2787(3) 4447(3) 3157(2) 114(1)
Atom x y z Uieg)
F(22) -3951(8) 871(11) 145(8) 209(7)
0(22) 3845(6) 4303(6) 1803(5) 98(3)
N(22) 514(8) 2977(8) 837(5) 68(3)
C(22) 634(9) 3935(9) 860(6) 63(3)
F(23) -3741(8) 2247(9) -295(7) 177(5)
0(23) 3798(7) 5471(6) 903(5) 109(4)
C(23) -188(11) 4043(10) 647(7) 73(4)
0(24) 4400(8) 8393(8) 2211(6) 110(3)
N(24) -892(8) 3151(8) 464(5) 72(3)
C(25) -401(9) 2512(10) 583(6) 65(3)
C(26) -967(11) 1527(10) 415(7) 73(4)
C(27) -1900(11) 1273(11) 160(7) 91(5)
0(28) -2371(11) 1913(12) 29(7) 79(4)
0(29) -1858(10) 2823(12) 186(7) 76(4)
C(30) -3393(14) 1514(19) -229(11) 134(8)
C(31) 3518(9) 5823(10) 2194(8) 74(4)
C(32) 3231(9) 5579(9) 2877(8) 75(4)
C(33) 3283(9) 6314(12) 3353(8) 89(5)
C(34) 3658(9) 7281(12) 3122(9) 85(5)
C(35) 3979(10) 7468(12) 2464(10) 86(4)
C(36) 3868(9) 6762(11) 1969(8) 84(4)
C(37) 4462(11) 9140(11) 2628(9) 117(6)
01(41) 12222(2) 12142(3) 2485(2) 92(1)
S(41) 13696(2) 11329(3) 5916(2) 72(1)
F(41) 8722(7) 12391(8) 2197(6) 141(4)
0(41) 11559(6) 10827(6) 5869(4) 69(2)
N(41) 12934(6) 11401(6) 5260(4) 61(3)
C(41) 11946(8) 11132(8) 5315(7) 54(3)
Cl(42) 14434(3) 13607(3) 5610(2) 105(1)
F(42) 8192(7) 10930(8) 2016(6) 160(4)
0(42) 13290(6) 10410(6) 6221(5) 83(3)
N(42) 11841(6) 11547(6) 4061(5) 56(3)
0(42) 11402(8) 11256(7) 4692(6) 44(3)
Atom x Y z Uieq)
F(43) 7846(7) 11502(9) 2938(5) 149(4)
0(43) 14622(6) 11639(7) 5610(4) 94(3)
0(43) 10451(8) 11113(7) 4625(6) 55(3)
0(44) 13303(7) 12294(8) 8454(5) 92(3)
N(44) 10263(6) 11316(6) 3941(5) 58(3)
0(45) 11128(8) 11594(8) 3586(7) 53(3)
0(46) 11154(8) 11825(8) 2881(7) 57(3)
0(47) 10330(10) 11825(9) 2555(7) 84(4)
0(48) 9429(9) 11571(9) 2898(7) 70(4)
0(49) 9411(8) 11318(8) 3592(7) 64(3)
C(50) 8555(12) 11585(14) 2526(10) 99(5)
0(51) 13735(7) 12186(9) 6559(7) 56(3)
0(52) 14059(8) 13152(10) 6413(7) 70(4)
C(53) 14149(9) 13814(9) 6983(8) 84(4)
0(54) 13868(9) 13451(11) 7640(8) 86(5)
C(55) 13543(9) 12513(12) 7787(8) 77(4)
C(56) 13458(8) 11865(9) 7232(7) 69(4)
0(57) 12973(14) 11357(13) 8624(9) 135(7)
Cî(61) 2116(3) 798(3) 973(2) 107(1)
S(61) 1366(3) 4063(3) -1109(2) 73(1)
F(61) 5652(9) 1888(11) 2485(6) 182(6)
0(61) 3563(6) 4694(6) -937(5) 75(3)
N(61) 2059(7) 3768(7) -523(5) 64(3)
0(61) 3074(10) 4077(10) -558(7) 68(4)
Cl(62) 619(3) 1748(3) -1210(2) 102(1)
F(62) 6661(11) 2798(12) 1845(12) 288(11)
0(62) 1807(7) 5075(6) -1209(4) 85(3)
N(62) 2901(7) 2719(8) 234(5) 62(3)
C(62) 3502(10) 3547(8) -65(6) 55(3)
F(63) 6029(13) 1417(15) 1633(7) 249(10)
0(63) 414(6) 3643(7) -838(5) 98(3)
C(63) 4436(9) 3767(9) 128(7) 59(3)
0(64) 1969(7) 4070(6) -3699(5) 90(3)
Atom x y z Uieq)
N(64) 4456(7) 3084(8) 586(5) 66(3)
C(65) 3485(11) 2471(10) 625(7) 69(4)
C(66) 3312(10) 1619(9) 1020(7) 74(4)
C(67) 4065(12) 1504(11) 1415(7) 83(4)
C(68) 5007(12) 2198(13) 1416(8) 88(4)
C(69) 5229(10) 2981(11) 995(8) 81(4)
C(70) 5785(14) 2080(20) 1862(13) 127(7)
C(71) 1361(8) 3412(10) -1888(7) 62(3)
C(72) 1026(8) 2440(9) -1937(7) 66(3)
C(73) 977(9) 1965(10) -2579(8) 77(4)
C(74) 1292(8) 2507(10) -3180(8) 69(4)
C(75) 1620(9) 3487(10) -3138(7) 67(4)
C(76) 1667(8) 3952(9) -2495(8) 69(4)
C(77) 1778(12) 3604(11) -4407(7) 116(6)
Table 21
Hydrogen Coordinates (x 104) and Isotropie Displacement Parameters (A2 x 103) for
Compound 1 Polymorph Form C at Room Température
Atom x y z Ufeq)
H(1A) 2536 10329 3817 75
H(3A) 5404 10169 4395 67
H(7A) 6759 14202 3919 82
H(9A) 7160 11845 4358 79
H(13A) 1538 7703 1673 105
H(14A) 1014 6166 2001 113
H(16A) 980 6973 4031 78
H(17A) 193 4123 3096 213
H(17B) 991 4765 2603 213
H(17C) -79 4732 2517 213
H(21A) 2053 3732 1467 101
H(23A) -272 4617 627 88
H(27A) -2268 627 61 110
H(29A) -2151 3258 109 91
H(33A) 3077 6176 3812 107
Atom X y z Ufeq)
H(34A) 3678 7775 3425 102
H(36A) 4020 6904 1500 101
H(37A) 4909 9722 2440 175
H(37B) 4697 9070 3103 175
H(37C) 3825 9162 2638 175
H(41A) 13172 11620 4862 73
H(43A) 10006 10913 4977 66
H(47A) 10339 11997 2080 100
H(49A) 8838 11150 3829 76
H(53A) 14389 14468 6912 101
H(54A) 13903 13879 8007 103
H(56A) 13213 11214 7315 83
H(57A) 12855 11299 9122 203
H(57B) 13458 11109 8527 203
H(57C) 12373 11002 8344 203
H(61A) 1786 3408 -181 77
H(63A) 4972 4282 -18 70
H(67A) 3943 961 1682 100
H(69A) 5871 3427 982 98
H(73A) 741 1302 -2608 93
H(74A) 1280 2202 -3613 83
H(76A) 1899 4615 -2466 83
H(77A) 1957 4081 -4763 173
H(77B) 1093 3203 -4482 173
H(77C) 2159 3223 -4439 173
CHARACTERIZATION EXAMPLE 15 __________X-Ray Powder Diffraction Pattern for Compound 1 Polymorph Form C__________ Powder X-ray diffraction was used to characterize polymorph Form C of Compound 1.
Data were obtained with a Philips X’PERT automated powder diffractometer, Model 3040.
The diffractometer was equlpped with automatic variable anti-scatter and divergence slits, X’Celerator RTMS detector, and Ni filter. The radiation was Cu-K(alpha) (45 kV, 40 mA). Data were collected at room température from 3 to 50 degrees 2-theta using a continuous scan with an équivalent step size of 0.02 degrees and a count time of 320 seconds per step ln theta-theta geometry. Samples were lightly ground with an agate mortar and pestle as needed and prepared on low background silicon specimen holders as a thin layer of powdered material. MDl/Jade software version 9.1 was used with the International Committee for Diffraction Data database PDF4+ 2008 for phase identification. CuK(alpha1) X-ray diffraction maxima for Form C of Compound 1 were calculated using the MDl/Jade Find Peaks routine and are listed Table 22 .
Table 22
X-ray Maxima (in degrees) for Polymorph Form C of Compound 1
29 29 29 29 29 29 29
7.691 17.198 20.909 25.371 30.149 36.6 42.498
7.991 18.035 21.797 25.674 30.634 37.389 45.142
11.133 18.636 22.214 25.956 31.272 38.054 45.99
12.587 18.939 23.299 26.409 31.619 38.442 46.229
13.305 19.389 23.547 27.395 32.056 38.651 48.188
13.757 19.889 24.103 28.498 32.898 40.661 49.561
15.463 20.312 24.269 28.728 33.594 40.86
16.683 20.476 24.438 29.808 33.813 41.721
Formulation/Utilitv
A solid form of Compound 1 wili generally be used as a parasitic nematode control active ingrédient ln a composition, Le. formulation, with at least one additional component selected from the group consisting of surfactants, solid diluents and liquld carriers (Le. liquid flulds that carry the active and possibly other ingrédients; also called liquid diluents). The formulation or composition ingrédients are selected to be consistent with the physical properties of the active ingrédient, mode of application and environmental factors such as soil type, moisture and température.
Useful formulations of nematocidal active ingrédients generaliy include both liquid and solid compositions. Liquid compositions include solutions (e.g., emulsifîable concentrâtes), émulsions (including micro-emuîsions), dispersions and suspensions, and combinations of these forms (e.g., suspo-emulsions). The term suspension particulariy refers to a dispersion of particulates that has been stabilized by addition of a chemical additive to minimize or stop sédimentation of the active ingrédient. In a dispersion or suspension of particulates (e.g., aqueous suspension concentrate and oil dispersion formulations), a liquid carrier forms a continuous liquid phase in which the particulates (e.g., of a solid form of Compound 1) are dispersed or suspended. ln a composition that combines a suspension or dispersion of particulates with an émulsion containing a second (immiscible) liquid (e.g., a suspo-emulsion formulation), a liquid carrier forms a continuous liquid phase In which not only the particulates are suspended but also droplets (I.e. non-continuous liquid phase) of the second liquid are emulslfied.
Dispersions and suspensions may be aqueous (i.e. containing mainly water as the liquid carrier) or non-aqueous (i.e., comprising water-immiscible organic compounds, commonly referred to as “oil, as the liquid carrier) according to the nature of the liquid carrier forming the continuous liquid phase. The general types of aqueous liquid compositions include soluble concentrâtes, suspension concentrâtes, capsule suspensions, concentrated émulsions, micro-emulslons and suspo-emulslons. Thus In suspo-emulsions the liquid carrier forming the continuous liquid phase is aqueous (i.e. contains water as its main constituent) and a water-immiscible liquid component Is emulsified in the aqueous liquid carrier. The general types of non-aqueous liquid compositions include emulsifiable concentrâtes, micro-emulsifiable concentrâtes, dispersible concentrâtes and oil dispersions. Suspension concentrâtes contain particulates dispersed in a continuous liquid phase and exists as particulate dispersions on addition to water. Suspo-emulsions and oil dispersions form both particulate dispersions and émulsions that coexist on addition to water, where one or more of these phases may contain active ingrédient. (In the présent compositions, the particulate dispersions comprise a solid form of Compound 1.)
The general types of solid compositions Include dusts, powders, granules, pellets, prills, pastilles, tablets, filled films (including seed coatings) and the like, which can be water-dispersible (“wettable) or water-soluble. Films and coatings formed from film-formlng liquids are partlcularly useful for seed treatment, In addition to having applications in both liquid and solid formulation types in general. Active ingrédients can be encapsulated (Including micro-encapsulated) and further formed Into a liquid suspension or dispersion or Into a solid formulation, to protect the active ingrédient or control or delay release of the active Ingrédient on application to the target. Altematively, the entire formulation, including the active ingrédient, can be encapsulated (or “overcoated). Encapsulation can also control or delay release of the active ingrédient. High-strength compositions can be prepared and used as Intermediates for subséquent use In preparing lower strength liquid and solid formulations.
Sprayable formulations are typically extended in a suitable medium before spraying. Such liquid and solid formulations are formulated to be readily diluted in the spray medium, usually water. Spray volumes can range from about one to severai thousand liters per hectare, but more typically are in the range from about ten to severai hundred liters per hectare. Sprayable formulations can be tank mlxed with water or another suitable medium for foliar treatment by aerial or ground application, or for application to the growing medium of the plant. Liquid and dry formulations can be metered directly Into drip irrigation Systems or metered Into the furrow during planting. Liquid and solid formulations can be applied onto seeds of crops and other désirable végétation as seed treatments before planting to protect de vélo ping roots and other subterranean plant parts and/or foliage through systemic uptake.
Although the solid forms of Compound 1 according to the présent invention can be used to préparé liquid solutions, emulsifiable concentrâtes and émulsions by combining with a solvent dissolvlng the solid forms, the solid forms can only retain their ldentlty In formulated compositions containing Compound 1 as a solid (e.g., particles). The nematocîdal compositions of the présent invention wherein the composition comprises at least one solid form of Compound 1 thus include liquid compositions containing Compound 1 as a solid (e.g., dispersions, suspensions, suspo-emulslons) and solid compositions of Compound 1.
Even though ail polymorph forms and the amorphous solid form of Compound 1 can be used to préparé nematocîdal compositions of the présent invention, polymorph Form A is particulariy usefu! for forming nematocîdal compositions, especialiy liquid compositions, havlng excellent physical as well as chemical stability. Although ail polymorph forms and the amorphous solid form of Compound 1 are relatively stable (metastable) when Isolated and maintained near room température, they are nevertheless thermodynamically unstable relative to polymorph Form A. Therefore, they are Inherentiy susceptible to conversion to polymorph Form A. Contact with moisture, subjection to higher températures or long time période may promote conversion to a more stable crystal form. Contact with solvents generaliy also promûtes conversion of crystal forms. Therefore liquid compositions comprising other polymorph forms, mixtures of polymorph forms or the amorphous solid form of Compound 1 are particuiariy vulnérable to spontaneous recrystallization to polymorph Form A (see Préparation Example 7). Because of minimal nucléation and siow growth, the polymorph Form A crystais formed will be relatively few and large. This can resuit In both decreased bioiogicai efficacy and Increased settling of the active ingrédient, because high bioiogicai activity and suspensibllity dépend upon smali particle size of solid active ingrédient dispersed in liquid compositions. Using polymorph Form A to prépare nematocîdal compositions removes the risk of later recrystallization in the compositions. Also, a formulation containing a less stable crystal form than Form A may change Its bioiogicai activity over the course of Its shelf life as the ratio of crystai forms change. Thls is generally highiy undesired as required use rates (amount of active Ingrédient per hectare) would change unpredictabiy. Accordingly, of note Is a nematocidal composition of the Invention comprising poiymorph Form A of Compound 1.
Both liquid and solid formulations comprising at least one solid form of Compound 1 will typically contain effective amounts of active ingrédient, solid diluent or liquid carrier, and surfactant within the following approximate ranges, which add up to 100 percent by weight. General ranges of amounts of active ingrédient (l.e. a solid form of Compound 1 and optionally other active Ingrédients), diluent and surfactant components in the présent composition comprising at least one solid form of Compound 1 are as follows:
Composition In Weight Percent
Formulation Tvoe Active Inaredient Diluent Surfactant
Water-Dispersible Granules, Tablets and Powders 0.001-90 0-99.999 0-25
Oil Dispersions, Aqueous Suspensions 1-60 40-99 0-50
Dusts 1-25 70-99 0-5
Granules and Pellets 0.001-95 5-99.999 0-20
High Strength Compositions 90-99 0-10 0-10
Solid diluents include, for example, clays such as bentonite, montmorillonite,
attapulgite and kaolin, gypsum, cellulose, titanium dioxlde, zinc oxide, starch, dextrin,
sugars (e.g., lactose, sucrose), silica, talc, mica, diatomaceous earth, urea, calcium carbonate, sodium carbonate and bicarbonate, and sodium sulfate. Typlcal solid diluents are described In Watklns et al., Handbook of Insecticide Dust Diluents and Carriers, 2nd Ed., Dorland Books, Caldwell, New Jersey.
Liquid diluents Include, for example, water, Ν,Ν-dimethylalkanamides (e.g., Ν,Ν-dimethylformamide), limonene, dimethyl sulfoxide, N-alkylpyrrolidones (e.g., N-methylpyrrolidinone), ethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, polypropylene glycol, propylene carbonate, butylène carbonate, paraffins (e.g., white minerai oils, normal paraffins, isoparaffins), alkylbenzenes, alkylnaphthalenes, glycérine, glycerol triacetate, sorbltol, triacetin, aromatlc hydrocarbons, dearomatized aliphatics, alkylbenzenes, alkylnaphthalenes, ketones such as cyclohexanone, 2-heptanone, Isophorone and 4-hydroxy-4-methyl-2-pentanone, acétates such as Isoamyl acetate, hexyl acetate, heptyl acetate, octyl acetate, nonyl acetate, tridecyl acetate and Isobomyl acetate, other esters such as alkylated lactate esters, dibasic esters and γ-butyrolactone, and alcohols, which can be linear, branched, saturated or unsaturated, such as methanol, éthanol, n-propanol, Isopropyl alcohol, π-butanol, isobutyl alcohol, n-hexanol, 2ethylhexanol, n-octanol, decanol, isodecyl alcohol, isooctadecanol, cetyl alcohol, lauryl alcohol, tridecyl alcohol, oleyl alcohol, cyclohexanol, tetrahydrofurfuryl alcohol, diacetone alcohol and benzyl alcohol. Liquid diluents also include glycerol esters of saturated and unsaturated fatty acids (typically Cg-C22)> such as plant seed and fruit oils (e.g., oils of olive, castor, linseed, sesame, corn (maize), peanut, sunflower, grapeseed, safflower, cottonseed, soybean, rapeseed, coconut and palm kernel), animal-sourced fats (e.g., beef tallow, pork tallow, lard, cod liver oïl, fish oil), and mixtures thereof. Liquid diluents also include alkylated fatty acids (e.g., methylated, ethylated, butylated) wherein the fatty acids may be obtained by hydrolysls of glycerol esters from plant and animal sources, and can be purified by distillation. Typical liquid diluents are described In Marsden, So/vents Guide, 2nd Ed., Interscience, New York, 1950.
The solid and liquid compositions of the présent Invention often include one or more surfactants. When added to a liquid, surfactants (also known as surface-active agents) generally modify, most often reduce, the surface tension of the liquid. Depending on the nature of the hydrophilic and lipophilie groups In a surfactant molécule, surfactants can be useful as wetting agents, dispersants, emulsifiers or defoamlng agents.
Surfactants can be classified as nonionic, anionic or cationic. Nonionic surfactants useful for the présent compositions include, but are not limited to: alcohol alkoxylates such as alcohol alkoxylates based on naturel and synthetic alcohols (which may be branched or linear) and prepared from the alcohols and ethylene oxide, propylene oxide, butylène oxide or mixtures thereof; amine ethoxylates, alkanolamides and ethoxylated alkanolamldes; alkoxylated triglycérides such as ethoxylated soybean, castor and rapeseed oils; alkylphenol alkoxylates such as octylphenol ethoxylates, nonylphenol ethoxylates, dinonyl phénol ethoxylates and dodecyl phénol ethoxylates (prepared from the phénols and ethylene oxide, propylene oxide, butylène oxide or mixtures thereof); block polymers prepared from ethylene oxide or propylene oxide and reverse block polymers where the terminal blocks are prepared from propylene oxide; ethoxylated fatty acids; ethoxylated fatty esters and oils; ethoxylated methyl esters; ethoxylated tristyrylphenol (including those prepared from ethylene oxide, propylene oxide, butylène oxide or mixtures thereof); fatty acid esters, glycerol esters, ianolin-based dérivatives, polyethoxytate esters such as polyethoxylated sorbitan fatty acid esters, polyethoxylated sorbltol fatty acid esters and polyethoxylated glycerol fatty acid esters; other sorbitan dérivatives such as sorbitan esters; polymeric surfactants such as random copolymers, block copolymers, alkyd peg (polyethylene glycol) resins, graft or comb polymers and star polymers; polyethylene glycols (pegs); polyethylene glycol fatty acid esters; silicone-based surfactants; and sugarderivatives such as sucrose esters, alkyl polyglycosldes and alkyl polysaccharides.
Useful anlonic surfactants include, but are not limited to: alkylaryl sulfonic acids and their salts; carboxylated alcohol or alkylphenol ethoxylates; diphenyl sulfonate dérivatives; lignin and lignin dérivatives such as lignosulfonates; maleic or succinic acids or their anhydrides; olefin sulfonates; phosphate esters such as phosphate esters of alcohol alkoxylates, phosphate esters of alkylphenol alkoxylates and phosphate esters of styryl phénol ethoxylates; protein-based surfactants; sarcosine dérivatives; styryl phénol ether sulfate; sulfates and sulfonates of oils and fatty acids; sulfates and sulfonates of ethoxylated alkylphenols; sulfates of alcohols; sulfates of ethoxylated alcohols; sulfonates of amines and amides such as Ν,Ν-alkyltaurates; sulfonates of benzene, cumene, toluene, xylene, and dodecyl and tridecylbenzenes; sulfonates of condensed naphthalenes; sulfonates of naphthalene and alkyl naphthalene; sulfonates of fractionated petroleum; sulfosucdnamates; and sulfosuccinates and their dérivatives such as dialkyl sulfosuccinate salts.
Useful cationic surfactants include, but are not limited to: amides and ethoxylated amides; amines such as N-alkyl propanediamines, tripropylenetriamines and dipropylenetetramlnes, and ethoxylated amines, ethoxylated diamines and propoxylated amines (prepared from the amines and ethylene oxide, propylene oxide, butylène oxide or mixtures thereof);· amine salts such as amine acétates and diamine salts; quatemary ammonium salts such as simple quatemary salts, ethoxylated quatemary salts and dlquatemary salts; and amine oxides such as alkyldimethylamine oxides and bis-(2hydroxyethyl)-alkylamine oxides.
Also useful for the présent compositions are mixtures of nonionic and anionic surfactants or mixtures of nonionic and cationic surfactants. Nonionic, anionic and cationic surfactants and their recommended uses are disclosed In a variety of published référencés Induding McCutcheon's Emulsifiers and Détergents, annual American and International Editions published by McCutcheon's Division, The Manufacturing Confectioner Publishing Co.; Sisely and Wood, Encyclopedia of Surface Active Agents, Chemical Publ. Co., Inc., New York, 1964; and A. S. Davidson and B. Milwldsky, Synthetic Détergents, Seventh Edition, John Wiley and Sons, New York, 1987.
Compositions of this Invention may also contain formulation auxiliaries and additives, known to those skilled In the art as formulation aids (some of which may be considered to also function as solid diluents, liquid diluents or surfactants). Such formulation auxiliaries and additives may control: pH (buffera), foaming during processîng (antifoams such polyorganosiloxanes), sédimentation of active ingrédients (suspending agents), viscosity (thixotropic or pseudoplastic thickeners), in-container microbial growth (antimicrobiais), product freezing (antifreezes), color (dyes/pigment dispersions), wash-off (film formera or sticking agents), évaporation (évaporation retardants), and other formulation attributes. Film formera include, for example, polyvinyl acétates, polyvinyl acetate copolymera, polyvinylpyrrolidone-vinyl acetate copolymer, polyvinyl alcohols, polyvinyl alcohol copolymera and waxes. Examples of formulation auxiliaries and additives include those listed in McCutcheon’s Volume 2: Functlonal Materiaîs, annual International and North American éditions published by McCutcheon’s Division, The Manufacturing Confectioner Publishlng Co.; and PCT Publication WO 03/024222.
The solid forms of Compound 1 and any other active ingrédients are typically incorporated into the présent compositions by dissolving the active ingrédient in a solvent or by grinding In a liquid or dry diluent. Solutions, inciuding emulsifiable concentrâtes, can be prepared by simply mixing the Ingrédients. If the solvent of a liquid composition intended for use as an emulsifiable concentrate Is water-immiscible, an emulsifîer is typically added to emulsify the active-containing solvent upon dilution with water. Active ingrédient slurries, with particle diametera of up to 2000 pm can be wet milled using media mille to obtain particles with average diametera below 3 pm. Aqueous slurries can be made Into finished suspension concentrâtes (see, for example, U.S. 3,060,084) or further processed by spraydrying to form water-disperaible granules. Dry formulations usually requlre dry milling processes, which produce average particle diametera in the 2 to 10 pm range. Dusts and powdera can be prepared by blending and grinding (such as with a hammer mill or fluidenergy mill). Granules and pellets can be prepared by spraylng the active material upon preformed granular carriers or by agglomération techniques. See Browning, •Agglomération, Chemical Engineering, December 4, 1967, pages 147-48; Perry’s Chemical Engineer’s Handbook, 4th Ed., McGraw-Hill, New York, 1963, pages 8-57 and following, and WO 91/13546. Pellets can be prepared as described in U.S. 4,172,714. Water-disperaible and water-soluble granules can be prepared as taught In U.S. 4,144,050, U.S. 3,920,442 and DE 3,246,493. Tablets can be prepared as taught In U.S. 5,180,587, U.S. 5,232,701 and U.S. 5,208,030. Films can be prepared as taught in GB 2,095,558 and U.S. 3,299,566.
For further Information regarding the art of formulation, see T. S. Woods, The Formulator’s Toolbox - Product Forms for Modem Agriculture in Pesticide Chemistry and Bioscience, The Food-Environment Challenge, T. Brooks and T. R. Roberts, Eds.,
Proceedings of the 9th International Congress on Pesticide Chemlstry, The Royal Society of Chemistry, Cambridge, 1999, pp. 120-133. See also U.S. 3,235,361, Col. 6, line 16 through Col. 7, line 19 and Examples 10-41; U.S. 3,309,192, Col. 5, line 43 through Col. 7, line 62 and Examples 8, 12, 15, 39, 41, 52, 53, 58, 132, 138-140, 162-164, 166, 167 and 5 169-182; U.S. 2,891,855, Col. 3, line 66 through Col. 5, line 17 and Examples 1-4;
Klingman, Weed Control as a Science, John Wiley and Sons, Inc., New York, 1961, pages 81-96; Hance et al., Weed Control Handbook, 8th Ed., Blackwell Scientific Publications, Oxford, 1989; and Developments in formulation technology, PJB Publications, Richmond, UK, 2000.
The following formulation examples are presented to further illustrais but not limit the disclosure In any way whatsoever. Ail percentages are given by weight and ail formulations are prepared using conventional techniques. Without further élaboration, It is believed that one skilled In the art using the preceding descriptions and référencés can utilize the présent Invention to its fullest extent.
Formulation Example A
High Strength Concentrate polymorph Form A of Compound 1 silica aerogel synthetic amorphous fine silica
Formulation Example B
Wettable Powder polymorph Forms A and B of Compound 1 dodecylphenol polyethylene glycol ether sodium ligninsulfonate sodium silicoaluminate montmorillonite (calcined)
98.5%
0.5%
1.0%
65.0%
2.0%
4.0%
6.0%
23.0%
Formulation Example C
Granule polymorph Form A of Compound 1 10.0% attapulgite granules (low volatile matter, 0.71/0.30 mm; 90.0%
U.S.S. No. 25-50 sieves)
Formulation Example D
Extruded Pellet polymorph Form A of Compound 1 25.0% anhydrous sodium sulfate 10.0% crude calcium ligninsulfonate 5.0% sodium alkylnaphthalenesulfonate 1.0% calcium/magnesium bentonite 59.0%
Formulation Example E
Emulsifiable Concentrate polymorph Forms A and B of Compound 1 10.0% polyoxyethylene sorbitol hexoleate 20.0%
Cg-C-j o fatty acid methyl ester 70.0%
Formulation Examole F
Microemulsion polymorph Form A of Compound 1 5.0% polyvinylpyrrolidone-vinyl acetate copolymer 30.0% alkylpolyglycoside 30.0% glyceryl monooleate 15.0% water 20.0%
Formulation Example G
Seed Treatment polymorph Form A of Compound 1 20.00% polyvinylpyrrolidone-vinyl acetate copolymer 5.00% montan acid wax 5.00% calcium ligninsulfonate 1.00% polyoxyethylene/polyoxypropylene block copolymers 1.00% stearyl alcohol (POE 20) 2.00% polyorganosllane 0.20% colorant red dye 0.05% water 65.75%
Formulation Exemple H
Fertilizer Stick polymorph Form A of Compound 1 pyrrolidone-styrene copolymer tristyrylphenyl 16-ethoxylate talc com starch
Nitrophoska® Permanent 15-9-15 slow-release fertilizer (BASF)
2.50%
4.80%
2.30%
0.80%
5.00%
36.00% kaolin water
38.00%
10.60%
The solid forms of Compound 1 and their compositions are thus useful agronomically for protecting field crops from parasitic nematodes, and also nonagronomlcaliy for protecting other horticuitural crops and plants from phytophagous parasitic nematodes. This utility Includes protecting crops and other plants (i.e. both agronomie and nonagronomic) that contaln genetic material introduced by genetic engineering (i.e. transgenic) or modified by mutagenesis to provide advantageous traits. Examples of such traits Include tolérance to herbicides, résistance to phytophagous pests (e.g., insects, mites, aphids, spiders, nematodes, snatls, plant-pathogenic fungi, bacteria and viruses), Improved plant growth, Increased tolérance of adverse growlng conditions such as hlgh or low températures, low or hlgh soil moisture, and high salinity, increased flowering or fruiting, greater harvest yields, more rapid maturation, higher quality and/or nutritional value of the harvested product, or Improved storage or process properties of the harvested products. Transgenic plants can be modified to express multiple traits. Examples of plants containing traits provided by genetic engineering or mutagenesis include varieties of com, cotton, soybean and potato expressing an insecticidal Bacillus thuringiensis toxin such as YIELD GARD®, KNOCKOITT®, STARLINK®, BOLLGARD®, NuCOTN® and NEWLEAF®, and herblcide-tolerant varieties of com, cotton, soybean and rapeseed such as ROUNDUP READY®, LIBERTY LINK®, IMI®, STS® and CLEARFIELD®, as well as crops expressing Nacetyltransferase (GAT) to provide résistance to glyphosate herbicide, or crops containing the HRA gene providing résistance to herbicides inhibiting acetolactate synthase (ALS). The solid forms of Compound 1 and their compositions may interact synergistically with traits Introduced by genetic engineering or modified by mutagenesis, thus enhancing phenotypic expression or effectiveness of the traits or Increasing the parasitic nematode control effectiveness of the présent compounds and compositions. In particular, the solid forms of Compound 1 and their compositions may Internet synerglstically with the phenotypic expression of proteins or other naturel products toxic to paresitic nematodes to provide greater-than-additive control of these pests.
Compositions of this invention can also optionally comprise plant nutrients, e.g., a fertilizer composition comprising at least one plant nutrient selected from nitrogen, phosphores, potassium, sulfur, calcium, magnésium, iron, copper, boron, manganèse, zinc, and molybdenum. Of note are compositions comprising at least one fertilizer composition comprising at least one plant nutrient selected from nitrogen, phosphores, potassium, sulfur, calcium and magnésium. Compositions of the présent invention which further comprise at least one plant nutrient can be in the form of liquids or solids. Of note are solid formulations in the form of granules, small sticks or tablets. Solid formulations comprising a fertilizer composition can be prepared by mixing the compound or composition of the présent invention with the fertilizer composition together with formulating ingrédients and then preparing the formulation by methods such as granulation or extrusion. Altematively solid formulations can be prepared by spreying a solution or suspension of a compound or composition of the présent invention in a volatile solvent onto a prevîous prepared fertilizer composition In the form of dimensionally stable mixtures, e.g., granules, small sticks or tablets, and then evaporating the solvent.
Solid forms of Compound 1 can exhibit activity agalnst a wide spectrem of paresitic nematodes that live or grow inside or feed on plants (e.g., foliage, fruit, stems, roots or seeds) or animais and humans (e.g., vascular or digestive Systems or other tissues) and therefore damage growing and stored agronomie crops, forestry, greenhouse crops, omamentals and nursery crops, or afflict animal and human health. Crops of particular interest are frelting vegetables such as solanaceous and cucurbit crops, plantation crops such as banana and coffee, root crops such as potatoes, onlon and carrots, and field crops such as tobacco, peanut, cotton, sugarcane and soybean.
Solid forms of Compound 1 can hâve activity on members of both classes Adenophorea and Secementea of the Phylum Nematoda, including economically important members of the orders Enoplida, Dorylaimida, Rhabditida, Strongylida, Ascarida, Oxyurida, Spirerida, Tylenchida and Aphelenchida, such as but not iimited to economically important agricultural pests such as root-knot nematodes of the genus Meloldogyne, cyst nematodes of the généra Heterodera and Globodera, lésion nematodes of the genus Pratylenchus, reniform nematodes of the genus Rotylenchulus, burrowing nematodes of the genus Radopholus, sting nematodes of the genus Belonolaimus, spiral nematodes of the généra
Helicotylenchus and Scutellonema, citrus nematodes of the genus Tylenchulus, stubby root nematodes of the généra Trlchodorus and Paratrlchodorus, dagger nematodes of the genus Xiphinema, stunt nematodes of the genus Tylenchorhynchus, needle nematodes of the généra Longidorus and Paralongldorus, lance nematodes of the genus Hoplolaimus, ring nematodes of the famlly Criconematidae, stem nematodes of the généra Ditylenchus and Anguina, and foliar/stem nematodes of the généra Aphelenchoides and Rhadinaphelenchus; and animal and human health parasites (i.e. economically Important roundworms such as Strongylus vulgaris in horses, Toxocara canis in dogs, Haemonchus contortus in sheep, Dirofilaria immitis in dogs, etc.).
Of note is use of solid forms of Compound 1 for controlling southem root-knot nematode (Meloldogyne Incognita). Those skiiled in the art will appreciate that solid forms of Compound 1 are not equaliy effective against ail growth stages of ail nematodes.
Solid forms of Compound 1 can also hâve activity on members of the Phylum Platyhelminthes, classes Cestoda (Tapeworms) and Trematoda (Flukes), including parasites (i.e. economically important flukes and tapeworms) afflicting animal and human health (e.g., Anoplocephala perfoliata in horses, Fasclola hepatica in ruminants, etc.).
Solid forms of Compound 1 can also be mixed with one or more other biologically active compounds or agents including insecticides, fungicides, nematocides, bactéricides, acaricides, herbicides, herbicide safeners, growth regulators such as insect molting inhibitors and rooting stimulants, chemosterilants, semiochemicals, repellents, attractants, pheromones, feeding stimulants, other biologically active compounds or entomopathogenic bacteria, virus or fungi to form a multi-component pesticide giving an even broader spectrum of agronomie and nonagronomic utility. Thus the présent invention also pertains to a composition comprising a solid form of Compound 1 and an effective amount of at least one additional biologically active compound or agent and can further comprise at least one of surfactants, solid diluents or liquid diluents. For mixtures of the présent invention, the other biologically active compounds or agents can be formulated together with the solid forms of Compound 1, to form a premix, or the other biologically active compounds or agents can be formulated separately from the solid forms of Compound 1 and the two formulations combined together before application (e.g., in a spray tank) or, altematively, applied in succession.
Examples of such biologically active compounds or agents with which solid forms of Compound 1 can be formulated are insecticides such as abamectln, acephate, acequlnocyl, acetamiprid, acrinathrin, amidoflumet, amitraz, avermectin, azadirachtin, azinphos-methyl, bifenthrin, bifenazate, bistrifluron, borate, buprofezin, cadusafos, carbaryl, carbofuran, cartap, carzol, chlorantraniliprole, chlorfenapyr, chlorfluazuron, chlorpyrifos, chlorpyrifosmethyl, chromafenozide, clofentezin, clothianidin, cyantraniliprole, cyflumetofen, cyfluthrin, beta-cyfluthrin, cyhalothrin, gamma-cyhalothrin, lambda-cyhalothrin, cypermethrin, alphacypermethrin, zeta-cypermethrin, cyromazine, deltamethrin, diafenthiuron, diazinon, dieldrin, diflubenzuron, dimefluthrin, dimehypo, dimethoate, dinotefuran, diofenolan, emamectin, endosulfan, esfenvalerate, ethiprole, etofenprox, etoxazole, fenbutatin oxide, fenothiocarb, fenoxycarb, fenpropathrin, fenvalerate, fipronil, flonicamid, flubendiamide, flucythrinate, flufenerim, flufenoxuron, fluvaiinate, tau-fluvalinate, fonophos, formetanate, fosthiazate, halofenozide, hexaflumuron, hexythiazox, hydramethylnon, imidacloprid, indoxacarb, insecticidal soaps, Isofenphos, lufenuron, malathion, metaflumizone, metaldehyde, methamidophos, melhidathion, methiodicarb, methomyl, methoprene, methoxychlor, metofluthrin, monocrotophos, methoxyfenozide, nitenpyram, nithiazine, novaluron, noviflumuron, oxamyl, parathion, parathion-methyl, permethrin, phorate, phosalone, phosmet, phosphamidon, pirimicarb, profenofos, profluthrin, propargite, protrifenbute, pymetrozine, pyrafluprole, pyrethrin, pyridaben, pyridalyl, pyrifluquinazon, pyriproie, pyriproxyfen, rotenone, ryanodine, spinetoram, spinosad, spirodiciofen, spiromesifen, spirotetramat, sulprofos, tebufenozide, tebufenpyrad, teflubenzuron, tefluthrin, terbufos, tetrachlorvinphos, tetramethrin, thiacloprid, thiamethoxam, thiodicarb, thiosultapsodium, tolfenpyrad, tralomethrin, triazamate, trichlorfon, triflumuron, Bacillus thuringiensis deita-endotoxins, entomopathogenic bacteria, entomopathogenic viroses and entomopathogenic fungi.
Of note are insecticides such as abamectin, acetamiprid, acrinathrin, amîtraz, avermectin, azadirachtin, bifenthrin, buprofezin, cadusafos, carbaryl, cartap, chlorantraniliprole, chlorfenapyr, chlorpyrifos, clothianidin, cyantraniliprole, cyfluthrin, betacyfluthrin, cyhalothrin, gamma-cyhalothrin, lambda-cyhalothrin, cypermethrin, alphacypermethrin, zeta-cypermethrin, cyromazine, deltamethrin, dieidrin, dinotefuran, diofenolan, emamectin, endosulfan, esfenvalerate, ethiprole, etofenprox, etoxazole, fenothiocarb, fenoxycarb, fenvalerate, fipronil, flonicamid, flubendiamide, flufenoxuron, fluvaiinate, formetanate, fosthiazate, hexaflumuron, hydramethylnon, imidacloprid, indoxacarb, lufenuron, metaflumizone, methiodicarb, methomyl, methoprene, methoxyfenozide, nitenpyram, nithiazine, novaluron, oxamyl, pymetrozine, pyrethrin, pyridaben, pyridalyl, pyriproxyfen, ryanodine, spinetoram, spinosad, spirodiciofen, spiromesifen, spirotetramat, tebufenozide, tetramethrin, thiacloprid, thiamethoxam, thiodicarb, thiosultap-sodium, tralomethrin, triazamate, triflumuron, Bacillus thuringiensis delta-endotoxins, ail strains of Bacillus thuringiensis and ail strains of Nucleo polyhydrosis vî ruses.
One embodiment of bïological agents for mixing with solid forms of Compound 1 include entomopathogenlc bacteria such as Bacillus thuringiensis, and the encapsuiated delta-endotoxins of Bacillus thuringiensis such as MVP® and MVPIi® bioinsecticides prepared by the CelICap® process (CelICap®, MVP® and MVPII® are trademarks of Mycogen Corporation, Indianapolis, Indiana, USA); entomopathogenlc fungl such as green muscardine fungus; and entomopathogenlc (both naturally occurring and genetically modified) viruses including baculovirus, nudeopolyhedro virus (NPV) such as Helicoverpa zea nucleopolyhedrovirus (HzNPV), Anagrapha falcifera nucleopolyhedrovirus (AfNPV); and granulosis virus (GV) such as Cydia pomonella granulosis virus (CpGV).
Of particular note is such a combination where the other invertebrate pest control active ingrédient belongs to a different chemical class or has a different site of action than solid forms of Compound 1. In certain instances, a combination with at least one other invertebrate pest control active ingrédient having a similar spectrum of control but a different site of action will be particularly advantageous for résistance management. Thus, a composition of the présent invention can further comprise at least one additional invertebrate pest control active ingrédient having a similar spectrum of control but belonging to a different chemical class or having a different site of action. These additional blologically active compounds or agents include, but are not limited to, sodium channel modulators such as blfenthrin, cypermethrin, cyhalothrin, lambda-cyhalothrin, cyfluthrin, beta-cyfluthrin, deltamethrin, dimefluthrin, esfenvalerate, fenvalerate, indoxacarb, metofluthrin, profluthrin, pyrethrin and tralomethrin; cholinestérase inhibitors such as chlorpyrifos, methomyl, oxamyl, thiodicarb and triazamate; neonicotinolds such as acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, nithiazine, thiacloprld and thiamethoxam; insecticidal macrocyclic lactones such as spinetoram, spinosad, abamectin, avermectin and emamectin; GABA (□□aminobutyric acid)-gated chloride channel antagonists such as avermectin or blockers such as ethiprole and fipronll; chitîn synthesis inhibitors such as buprofezln, cyromazine, flufenoxuron, hexaflumuron, lufenuron, novaluron, noviflumuron and triflumuron; juvénile hormone mlmics such as diofenolan, fenoxycarb, methoprene and pyriproxyfen; octopamine receptor ligands such as amitraz; molting inhibitors and ecdysone agonîsts such as azadirachtin, methoxyfenozlde and tebufenozide; ryanodine receptor ligands such as ryanodine, anthranilic diamides such as chlorantraniliproie, cyantraniliprole and flubendiamide; nereistoxin analogs such as cartap; mitochondrial électron transport inhibitors such as chlorfenapyr, hydramethylnon and pyridaben; lipld biosynthesis inhibitors such as spirodiclofen and splromesifen; cyclodiene Insecticides such as dieldrin or endosulfan; pyrethroids; carbamates; insecticidal ureas; and biological agents Including nucleopolyhedro viruses (NPV), members of Bacillus thuringiensis, encapsulated deltaendotoxins of Baciilus thuringiensis, and other naturally occurring or genetically modified insecticidal viruses.
Further examples of bîologicaliy active compounds or agents with which solid forms of Compound 1 can be formulated are: fungicides such as acibenzolar, aldimorph, amtsulbrom, azaconazole, azoxystrobin, benalaxyl, benomyl, benthiavalicarb, benthiavalicarb-lsopropyl, binomial, biphenyl, bltertanol, blasticidin-S, Bordeaux mixture (Tribasic copper sulfate), boscaiid/nicobifen, bromuconazole, bupirimate, buthiobate, carboxin, carpropamid, captafol, captan, carbendazim, chloroneb, chlorothalonil, chlozolinate, clotrimazole, copper oxychloride, copper salts such as copper sulfate and copper hydroxide, cyazofamid, cyflunamld, cymoxanil, cyproconazole, cyprodinii, dichlofluanid, diclocymet, diclomezine, dicloran, diethofencarb, difenoconazole, dlmethomorph, dimoxystrobln, diniconazole, diniconazole-M, dinocap, discostrobin, dithianon, dodemorph, dodine, econazole, etaconazole, edifenphos, epoxiconazole, ethaboxam, ethirimol, ethridiazole, famoxadone, fenamidone, fenarimol, fenbuconazole, fencaramid, fenfuram, fenhexamide, fenoxanil, fenpiclonil, fenpropidin, fenpropimorph, fentin acetate, fentin hydroxide, ferbam, ferfurazoate, ferimzone, fluazinam, fludioxonll, flumetover, fluopicolide, fluoxastrobin, fluquinconazole, fluquinconazole, flusilazole, flusulfamide, flutolanil, flutriafol, folpet, fosetyl-aluminum, fuberidazole, furalaxyl, furametapyr, hexaconazole, hymexazole, guazatine, Imazalil, imibenconazole, iminoctadine, iodicarb, Ipconazole, iprobenfos, iprodione, iprovalicarb, Isoconazole, Isoprothiolane, kasugamycin, kresoxim-methyl, mancozeb, mandipropamld, maneb, mapanipyrin, mefenoxam, mepronil, metalaxyl, metconazole, methasulfocarb, metiram, metominostrobin/fenominostrobin, mepanipyrim, metrafenone, mlconazole, myclobutanil, neo-asozin (ferrie methanearsonate), nuarimol, octhilinone, ofurace, orysastrobin, oxadixyl, oxolinic acid, oxpoconazole, oxycarboxin, paclobutrazol, penconazole, pencycuron, penthiopyrad, perfurazoate, phosphonic acid, phthaiide, plcobenzamld, plcoxystrobin, poiyoxin, probenazole, prochloraz, procymidone, propamocarb, propamocarbhydrochloride, propiconazole, propineb, proquinazid, prothioconazole, pyraclostrobin, pryazophos, pyrifenox, pyrimethanil, pyrifenox, pyrolnitrine, pyroquilon, quinconazole, quinoxyfen, quintozene, silthiofam, simeconazole, spiroxamine, streptomycin, sulfur, tebuconazole, techrazene, tecloftalam, teenazene, tetraconazole, thiabendazole, thifluzamide, thiophanate, thiophanate-methyl, thiram, tiadinil, tolclofos-methyl, tolyfiuanid, triadimefon, triadimenol, triarimol, triazoxide, tridemorph, trimoprhamide tricyclazole, trifloxystrobin, triforine, triticonazole, uniconazole, validamycin, vinclozolin, zineb, ziram, and zoxamide; nematocides such as aldicarb, imicyafos, oxamyl and fenamiphos; bactéricides such as streptomycin; acaricides such as amitraz, chinomethionat, chlorobenzilate, cyhexatin, dicofol, dienochlor, etoxazole, fenazaquin, fenbutatin oxide, fenpropathrin, fenpyroximate, hexythiazox, propargite, pyridaben and tebufenpyrad.
In certain Instances, combinations of solid forms of Compound 1 with other biologically active (particularly Invertebrate pest control) compounds or agents (Le. active Ingrédients) can resuit in a greater-than-additive (i.e. synerglstic) effect. Reducing the quantity of active ingrédients released In the environment while ensuring effective pest control ls always désirable. When synergism with invertebrate pest control active ingrédients occurs at application rates giving agronomically satisfactory Ievels of invertebrate pest control, such combinations can be advantageous for reducing crop production cost and decreasing environmental load.
Solid forms of Compound 1 and compositions thereof can be applied to plants genetically transformed to express proteins toxic to Invertebrate pests (such as Baciïlus thuringiensis delta-endotoxins). Such an application may provide a broader spectrum of plant protection and be advantageous for résistance management. The effect of the exogenously applied compounds of this invention may be synergistic with the expressed toxin proteins.
General references for these agricultural protectants (i.e. Insecticides, fungicides, nematocides, acaricides, herbicides and biological agents) include The Pesticide Manual, 13th Edition, C. D. S. Tomlin, Ed., British Crop Protection Council, Famham, Surrey, U.K., 2003 and The BioPesticide Manual, 2^ Edition, L. G. Copping, Ed., British Crop Protection Council, Famham, Surrey, U.K., 2001.
For embodiments where one or more of these various mixing partners are used, the weight ratio of these various mixing partners (in total) to a solid form of Compound 1 is typically between about 1:3000 and about 3000:1. Of note are weight ratios between about 1:300 and about 300:1 (for example ratios between about 1:30 and about 30:1). One skilled in the art can easily détermine through simple expérimentation the biologically effective amounts of active Ingrédients necessary for the desired spectrum of biological activity. It will be évident that Including these additional components can expand the spectrum of parasitic nematodes controlled beyond the spectrum controlled by a solid form of Compound 1 alone.
Table A lists spécifie combinations of a solid form of Compound 1 with other Invertebrate pest control agents illustrative of the mixtures, compositions and methods of the présent invention and Includes additional embodiments of weight ratio ranges for application rates. The first column of Table A lists the spécifie Invertebrate control agents 5 (e.g., Abamectin In the first line). The second column of Table A lists the mode of action (if known) or chemical class of the invertebrate pest control agents. The third column of Table A lists embodiment(s) of ranges of weight ratios for rates at which the invertebrate pest control agent can be applied relative to a solid form of Compound 1 (e.g., 50:1 to 1:50 of abamectin relative to a solid form of Compound 1 by weight). Thus, for example, the first 10 line of Table A specifically discloses the combination of a solid form of Compound 1 with abamectin can be applied in a weight ratio between 50:1 to 1:50. The remaining lines of Table A are to be construed similarly.
Table A
Invertebrate Pest Control Agent Mode of Action or Chemical Class Typlcal Weight Ratio
Abamectin macrocyclic lactones 50:1 to1:50
Acetamlprid neonicotinoids 150:1 to 1:200
Amitraz octopamine receptor ligands 200:1 to 1:100
Avermectin macrocyclic lactones 50:1 to1:50
Azadirachtin eedysone agonists 100:1 to 1:120
Beta-cyfluthrin sodium channel modulators 150:1 to 1:200
Bifenthrin sodium channel modulators 100:1 to 1:10
Buprofezin chitin synthesis inhibitors 500:1 to 1:50
Cartap nereistoxin analogs 100:1 to 1:200
Chlorantraniilprole ryanodine receptor ligands 100:1 to 1:120
Chlorfenapyr mitochondrial électron transport Inhibitors 300:1 to 1:200
Chlorpyrifos cholinestérase Inhibitors 500:1 to 1:200
Clothianidin neonicotinoids 100:1 to 1:400
Cyantraniliprole ryanodine receptor ligands 100:1 to 1:120
Cyfluthrin sodium channel modulators 150:1 to 1:200
Cyhalothrin sodium channel modulators 150:1 to 1:200
Cypermethrin sodium channel modulators 150:1 to 1:200
Cyromazine chitin synthesls Inhibitors 400:1 to 1:50
Deltamethrin sodium channel modulators 50:1 to 1:400
Dieldrin cyclodiene Insecticides 200:1 to 1:100
Invertebrate Pest Control Agent Mode of Action or Chemical Class Typical Weight Ratio
Dinotefuran neonicotinoids 150:1 to 1:200
Diofenolan molting Inhlbltor 150:1 to 1:200
Emamectin macrocyclic lactones 50:1 to 1:10
Endosulfan cyclodiene Insecticides 200:1 to 1:100
Esfenvalerate sodium channel modulators 100:1 to 1:400
Ethlprole GABA-regulated chloride channel blockers 200:1 to 1:100
Fenothiocarb 150:1 to 1:200
Fenoxycarb juvénile hormone mimics 500:1 to 1:100
Fenvalerate sodium channel modulators 150:1 to 1:200
Fipronîl GABA-regulated chloride channel blockers 150:1 to 1:100
Flonicamld 200:1 to 1:100
Flubendiamlde ryanodine receptor ligands 100:1 to 1:120
Flufenoxuron chitin synthesis inhibîtors 200:1 to 1:100
Hexaflumuron chitin synthesis inhibitors 300:1 to 1:50
Hydramethylnon mitochondrial électron transport inhibitors 150:1 to 1:250
Imidacloprid neonicotinoids 1000:1 to 1:1000
Indoxacarb sodium channel modulators 200:1 to1:50
Lambda-cyhalothrin sodium channel modulators 50:1 to 1:250
Lufenuron chitin synthesis inhibitors 500:1 to 1:250
Metafiumlzone 200:1 to 1:200
Methomyl cholinestérase inhibitors 500:1 to 1:100
Methoprene juvénile hormone mimics 500:1 to 1:100
Methoxyfenozide ecdysone agoniste 50:1 to1:50
Nltenpyram neonicotinoids 150:1 to 1:200
Nîthiazine neonicotinoids 150:1 to 1:200
Novaluron chitin synthesis inhibitors 500:1 to 1:150
Oxamyl cholinestérase inhibitors 200:1 to 1:200
Pymetrozlne 200:1 to 1:100
Pyrethrin sodium channel modulators 100:1 to 1:10
Pyridaben mitochondrial électron transport inhibitors 200:1 to 1:100
Invertebrate Pest Control Agent Mode of Action or Chemical Class Typical Weight Ratio
Pyridalyl 200:1 to 1:100
Pyriproxyfen juvénile hormone mimics 500:1 to 1:100
Ryanodine ryanodine receptor ligands 100:1 to 1:120
Spinetoram macrocyclic lactones 150:1 to 1:100
Splnosad macrocyclic lactones 500:1 to 1:10
Spirodiclofen lipid biosynthesis Inhibitors 200:1 to 1:200
Spiromesifen lipid biosynthesis inhibitors 200:1 to 1:200
Tebufenozjde eedysone agonists 500:1 to 1:250
Thlacloprid neonicotinoids 100:1 to 1:200
Thiamethoxam neonicotinoids 1250:1 to 1:1000
Thiodicarb cholinestérase inhibitors 500:1 to 1:400
Thiosultap-sodium 150:1 to 1:100
Tralomethrin sodium channel modulators 150:1 to 1:200
Tri a za mate cholinestérase inhibitors 250:1 to 1:100
Triflumuron chïtin synthesis Inhibitors 200:1 to 1:100
Bacillus thuringiensis blological agents 50:1 to 1:10
Bacillus thuringiensis delta-endotoxin biological agents 50:1 to 1:10
NPV (e.g., Gemstar) blological agents 50:1 to 1:10
Of note Is the composition of the présent invention wherein the at least one additional biologically active compound or agent is selected from the invertebrate pest control agents listed in Table A above.
The weight ratios of a solid form of Compound 1 to the additional Invertebrate pest 5 control agent typically are between 1000:1 and 1:1000, with one embodiment being between 500:1 and 1:500, another embodiment being between 250:1 and 1:200 and another embodiment being between 100:1 and 1:50.
Listed below In Table B are embodiments of spécifie compositions comprising a solid form of Compound 1 (polymorph Form A) and an additional invertebrate pest control agent.
Table B
Mixture No. Cmpd. 1 Form and Invertebrate Pest Control Agent Typical Mixture Ratios (by weight)
B-1 A and Abamectin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
Mixture No. Cmpd. 1 Form and Invertebrate Pest Control Agent Typlcal Mixture Ratios (by weight)
B-2 A and Acetamlprid 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-3 A and Amitraz 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-4 A and Avermectin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-5 A and Azadirachtin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-5a A and Bensultap 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-6 A and Beta-cyfluthrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-7 A and Bifenthrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-8 A and Buprofezin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-9 A and Cartap 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-10 A and Chlorantraniliprole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-11 A and Chlorfenapyr 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-12 A and Chlorpyrifos 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-13 A and Clothianidin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-14 A and Cyantranîliprole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-15 A and Cyfluthrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-16 A and Cyhalothrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-17 A and Cypermethrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-18 A and Cyromazine 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-19 A and Deltamethrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-20 A and Dieldrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-21 A and Dinotefuran 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-2 2 A and Diofenolan 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-23 A and Emamectin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-24 A and Endosulfan 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-25 A and Esfenvalerate 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-26 A and Ethiprole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-27 A and Fenothiocarb 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-28 A and Fenoxycarb 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-29 A and Fenvalerate 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-30 A and Fipronil 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-31 A and Flonicamld 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-32 A and Flubendiamlde 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
Mixture No. Cmpd. 1 Form and Invertebrate Pest Control Agent Typical Mixture Ratios (by weight)
B-33 A and Flufenoxuron 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-34 A and Hexaflumuron 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-35 A and Hydramethyinon 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-36 A and Imidacloprid 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-37 A and Indoxacarb 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-38 A and Lambdacyhaiothrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-39 A and Lufenuron 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-40 A and Metaflumlzone 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-41 A and Methomyl 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-42 A and Methoprene 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-43 A and Methoxyfenozide 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-44 A and Nitenpyram 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-45 A and Nithiazine 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-46 A and Novaiuron 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-47 A and Oxamyl 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-48 A and Phosmet 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-49 A and Pymetrozine 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-50 A and Pyrethrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-51 A and Pyridaben 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-52 A and Pyridaiyl 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-53 A and Pyriproxyfen 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-54 A and Ryanodine 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-55 A and Spinetoram 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-56 A and Spinosad 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-57 A and Spirodiclofen 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-58 A and Spiromesifen 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-59 A and Spirotetramat 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-59a A and Sulfoxaflor 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-60 A and Tebufenozide 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-60a A and Tefluthrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-61 A and Thiacioprid 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
Mixture No. CmPd· Invertebrate Pest Form Control Agent Typica! Mixture Ratios (by weight)
B-62 A and Thlamethoxam 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-63 A and Thïodicarb 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-64 A Thiosultap- and sodium 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-65 A and Tolfenpyrad 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-66 A and Tralomethrin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-67 A and Triazamate 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-68 A and Triflumuron 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-69 A Bacillus and . . . , thurlnglensis 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-70 A Bacillus and thurlngiensls delta -endotoxin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
B-71 A J NPV(e.g., and Gemstar) 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
Listed below in Table C are embodiments of spécifie compositions comprising a solid form of Compound 1 (polymorph Form A) and an additionai fongicide.
Table C
Mixture No. Cmpd. 1 Form and Fungicide Typical Mixture Ratios (by weight)
C-1 A and Probenazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-2 A and Tiadinil 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-3 A and Isotiantl 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-4 A and Pyroquilon 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-5 A and Metominostrobin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-6 A and Fiutoianll 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-7 A and Validamycin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-8 A and Furametpyr 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-9 A and Pencycuron 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-10 A and Simeconazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-11 A and Orysastrobln 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-12 A and Trifloxystrobin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
Mixture No. Cmpd. 1 Form and Fungicide Typlcal Mixture Ratios (by weight)
C-13 A and Isoprothiolane 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-14 A and Azoxystrobin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-15 A and Tricyclazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-16 A and Hexaconazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-17 A and Difenoconazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-18 A and Cyproconazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-19 A and Propiconazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-20 A and Fenoxanil 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-21 A and Ferimzone 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-22 A and Fthalide 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-23 A and Kasugamycin 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-24 A and Picoxystrobln 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-25 A and Penthiopyrad 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-26 A and Famoxadone 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-27 A and Cymoxanil 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-28 A and Proquinazid 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-29 A and Flusilazole 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-30 A and Mancozeb 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-31 A and Copper hydroxide 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-32 A and Fluopyram 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
C-33 A and (a) 100:1 10:1 5:1 2:1 1:1 1:2 1:5 1:10 1:100
(a) 1-(4-(4-(5-(2,6-difluorophenyl)-4,5-dihydro-3-isoxazolyl]-2-thiazolyl]-1-piperidinyl]-2-[5methy!-3-(trifluoromethyl)-1 H-pyrazol-1 -yljethanone
Parasitic nematodes are controlled in agronomie and nonagronomic applications by appiying a solid form of Compound 1, typically In the form of a composition, in a biologically 5 effective amount, to the environment of the pests, including the agronomie and/or nonagronomic locus of infestation, to the area to be protected, or directly on the pests to be controlled.
Thus the présent Invention comprises a method for controlling a parasitic nematode in agronomie and/or nonagronomic applications, comprising contacting the parasitic nematode 10 or Its environment with a biologically effective amount of a solid form of Compound 1 or with a composition comprising at least one such compound or a composition comprising at least one such compound and at least one additional biologicaliy active compound or agent. Examples of suitable compositions comprising a solid form of Compound 1and at least one additional biologicaliy active compound or agent Include granular compositions wherein the additional active compound is présent on the same granule as the compound of the invention or on granules separate from those of the compound of the invention.
To achieve contact with a solid form of Compound 1 or composition of the invention to protect a fîeld crop from parasltic nematodes, the solid form of Compound 1 or composition is typicaliy applied to the seed of the crop before planting, to the foliage (e.g., leaves, stems, flowers, fruits) of crop plants, or to the soi! or other growth medium before or after the crop is planted.
One embodiment of a method of contact is by spraying. Altematively, a granular composition comprising a compound of the Invention can be applied to the plant foliage or the soil. Solid forms of Compound 1 can also be effectively delivered through plant uptake by contactîng the plant with a composition comprising a compound of this invention applied as a soil drench of a liquid formulation, a granular formulation to the soil, a nursery box treatment or a dip of transplants. Of note is a composition of the présent invention in the form of a soil drench liquid formulation. Also of note is a method for controlling a parasitic nématode comprising contacting the parasitic nematode or Its environment with a biologicaliy effective amount of a solid form of Compound 1 or with a composition comprising a biologicaliy effective amount of a solid form of Compound 1. Of further note is this method wherein the environment Is soil and the composition is applied to the soil as a soil drench formulation. Of further note is that solid forms of Compound 1 are also effective by iocalized application to the locus of infestation. Other methods of contact include application of a solid form of Compound 1 or a composition of the invention by direct and residual sprays, aerial sprays, gels, seed coatings, microencapsulations, systemic uptake, baits, ear tags, boiuses, foggers, fumigants, aérosols, dusts and many others. One embodiment of a method of contact involves a dimensionally stable fertilizer granule, stick or tablet comprising a solid form of Compound 1 or composition of the invention. The solid forms of Compound 1 can also be impregnated into matériels for fabricating invertebrate control devices (e.g., insect netting).
Solid forms of Compound 1 are also useful in seed treatments for protecting seeds from parasitic nematodes. ln the context of the présent disclosure and daims, treating a seed means contacting the seed with a biologicaliy effective amount of a soiid form of Compound 1 which is typicaliy formulated as a composition of the invention. This seed treatment protects the seed from invertebrate soi! pests and generally can also protect roots and other plant parts in contact with the soi! of the seedling developing from the germinating seed. The seed treatment may also provide protection of foliage by translocation of Compound 1 or a second active ingrédient within the developing plant. Seed treatments can be applied to ail types of seeds, Induding those from which plants genetically transformed to express speclalized traits will germinate. Représentative examples of genetically transformed plants include those expressing proteins toxic to parasitic nematodes, such as Bacillus thuringlensis toxln or those expressing herbicide résistance such as glyphosate acetyltransferase, which provides résistance to glyphosate. Seed treatments with solid forms of Compound 1 can also Increase vigor of plants growing from the seed.
One method of seed treatment is by spraying or dusting the seed with a solid form of Compound 1 (i.e. as a formulated composition) before sowing the seeds. Compositions formulated for seed treatment generally comprise a film former or adheslve agent. Therefore typically a seed coating composition of the présent Invention comprises a blologlcally effedive amount of a solid form of Compound 1 and a film former or adheslve agent. Seed can be coated by spraying a flowable suspension concentrate directly Into a tumbling bed of seeds and then drying the seeds. Altematively, other formulation types such as wetted powders, solutions, suspo-emulsions, emulsifiable concentrâtes and émulsions In water can be sprayed on the seed. This process is particulariy useful for applying film coatings on seeds. Various coating machines and processes are available to one skilled In the art. Suitable processes include those listed in P. Kosters et al., Seed Treatment: Progress and Prospects, 1994 BCPC Mongraph No. 57, and référencés listed thereln.
Solid forms of Compound 1 and their compositions, both alone and in combination with other insecticides, nematicides, and funglcldes, are particulariy useful In seed treatment for crops Induding, but not limited to, malze or com, soybeans, cotton, cereal (e.g., wheat, oats, bariey, rye and rice), potatoes, vegetables and oilseed râpe.
Other Insediddes or nematicides with which solid forms of Compound 1 can be formulated to provide mixtures useful In seed treatment Include but are not limited to abamectin, acetamlprid, acrinathrin, amitraz, avermectin, azadirachtin, bensultap, bifenthrin, buprofezin, cadusafos, carbaryl, carbofuran, cartap, chlorantraniliprole, chlorfenapyr, chlorpyrifos, clothianldin, cyantraniliprole, cyfluthrin, beta-cyfluthrin, cyhalothrin, gammacyhalothrin, lambda-cyhalothrin, cypermethrin, alpha-cypermethrin, zeta-cypermethrin, cyromazine, deltamethrin, dleldrin, dinotefuran, diofenolan, emamectin, endosulfan, esfenvalerate, ethiprole, etofenprox, etoxazole, fenothiocarb, fenoxycarb, fenvalerate, fipronil, flonicamid, flubendiamide, flufenoxuron, fluvalinate, formetanate, fosthiazate, hexaflumuron, hydramethylnon, imidacloprid, Indoxacarb, lufenuron, metaflumizone, methiocarb, methomyl, methoprene, methoxyfenozide, nitenpyram, nithlazine, novaluron, oxamyl, pymetrozine, pyrethrin, pyridaben, pyridalyl, pyriproxyfen, ryanodine, spinetoram, spinosad, splrodiclofen, spiromesifen, spirotetramat, sulfoxaflor, tebufenozide, tetramethrin, thiacloprid, thiamethoxam, thiodicarb, thiosultap-sodium, tralomethrin, triazamate, triflumuron, Bacillus thuringiensis delta-endotoxins, ali strains of Bacillus thurlngiensis and ail strains of Nucleo polyhydmsls viruses.
Fungicides with which solid forms of Compound 1 can be formulated to provide mixtures useful in seed treatment include but are not limited to amisulbrom, azoxystrobin, boscalid, carbendazim, carboxin, cymoxanil, cyproconazole, difenoconazole, dimethomorph, fluazinam, fludioxonil, fluqulnconazole, fluopicolide, fluoxastrobin, flutriafol, fluxapyroxad, ipconazole, iprodione, metalaxyl, mefenoxam, metconazole, myclobutanil, paciobutrazole, penflufen, picoxystrobin, prothioconazole, pyraclostrobin, sedaxane, silthiofam, tebuconazole, thiabendazole, thiophanate-methyl, thiram, trifloxystrobln and triticonazole.
Compositions comprising solid forms of Compound 1 useful for seed treatment can further comprise bacterla and fungi that hâve the ability to provide protection from the harmfui effects of plant pathogenic fungi or bacterla and/or soil bom animais such as nematodes. Bacterla exhibiting nematicidal properties may include but are not limited to Bacillus firmus, Bacillus cereus, Bacillius subtiliis and Pasteuria penetrans. A suitable Bacillus firmus strain is strain CNCM 1-1582 (GB-126) which is commercially available as BioNem^M. A suitable Bacillus cereus strain Is strain NCMM 1-1592. Both Bacillus strains are disclosed in US 6,406,690. Other suitable bacterla exhibiting nematicidal activity are B. amyloliquefaciens iN937a and B. subti/is strain GB03. Bacterla exhibiting fungicidal properties may include but are not limited to B. pumilus strain GB34. Fungai species exhibiting nematicidal properties may Include but are not iimited to Myrotheclum verrucaria, Paecilomyces lilacinus and Purpureocillium lilaclnum.
Seed treatments can also include one or more nematicidal agents of naturel origin such as the elicitor protein called harpin which is isolated from certain bacterial plant pathogens such as Erwinla amylovora. An example is the Harpin-N-Tek seed treatment technology available as N-HibitTM Gold CST.
Seed treatments can also Include one or more species of legume-root nodulating bacteria such as the mlcrosymbiotic nitrogen-fixing bacteria Bradyrhlzobium Japonlcum.
These inocculants can optionally Include one or more lipo-chitooligosaccharides (LCOs), which are nodulation (Nod) factors produced by rhizobia bacteria during the Initiation of nodule formation on the roots of legumes. For example, the Optimlze® brand seed treatment technology Incorporâtes LCO Promoter Technology™ in combination with an Inocculant.
Seed treatments can also Include one or more Isoflavones which can increase the level of root colonization by mycorrhlzal fungi. Mycorrhizal fungi Improve plant growth by enhancing the root uptake of nutrients such as water, sulfates, nitrates, phosphates and metals. Examples of Isoflavones include, but are not limited to, genistein, biochanin A, formononetin, daldzein, glycîteln, hesperetin, naringenin and pratensein. Formononetin is available as an active Ingrédient in mycorrhizal inocculant products such as PHC Colonlze® AG.
Seed treatments can also Include one or more plant activators that Induce systemic acquired résistance In plants following contact by a pathogen. An example of a plant activator which induces such protective mechanisms Is acibenzolar-S-methyl.
The treated seed typically comprises a solid form of Compound 1 In an amount from about 0.1 g to 1 kg per 100 kg of seed (i.e. from about 0.0001 to 1% by weight of the seed before treatment). A flowable suspension formulated for seed treatment typically comprises from about 0.5 to about 70% of the active Ingrédient, from about 0.5 to about 30% of a filmforming adhesive, from about 0.5 to about 20% of a dispersing agent, from 0 to about 5% of a thlckener, from 0 to about 5% of a pigment and/or dye, from 0 to about 2% of an antifoamlng agent, from 0 to about 1% of a preservative, and from 0 to about 75% of a volatile Iiquid diluent.
The solid forms of Compound 1 are also suitable for treatment of plant propagation material other than seed, such as fruit, tubers or plant seedlings. The propagation material can be treated with the compounds before planting, or the compounds can be applied to the planting site when the propagation material is belng planted.
For agronomie applications, the rate of application required for effective control (i.e. biologlcally effective amount) will dépend on such factors as the specîes of nematode to be controlled, the nematode's life cycle, life stage, its size, location, time of year, host crop or animai, feeding behavior, mating behavior, ambient molsture, température, and the like. Under normal circumstances, application rates of about 0.01 to 2 kg of active Ingrédients per hectare are sufficient to control nematodes In agronomie ecosystems, but as little as 0.0001 kg/hectare may be sufficient or as much as 8 kg/hectare may be required. For nonagronomic applications, effective use rates will range from about 1.0 to 50 mg/square meter but as little as 0.1 mg/square meter may be sufficient or as much as 150 mg/square meter may be required. One skilied in the art can easily détermine the biologically effective amount necessary for the desired level of parasitic nematode control.

Claims (18)

  1. What Is claimed Is:
    1. A polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamide designated Form A characterized by
    5 a room-temperature powder Cu(Ka1 ) X-ray diffraction pattern having at least the 2Θ reflection positions ___________________________________
    28 28 30.367 25.973 29.131 25.604 27.995 24.285 27.611 23.582 26.49 19.789
  2. 2. A polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-imidazo[1,2-a]pyridine-2-carboxamide designated Form B characterized by a -100 ’C simulated powder Cu(Ka1) X-ray diffraction pattern having at least the 28
    10 reflection positions ___________________________________
    28 28 28.242 20.999 25.978 18.981 25.06 18.12 24.583 17.219 23.082 7.998
  3. 3. A polymorph of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamide as a 1 to 1 soivate with toluene designated Form TS characterized by a room-temperature powder Cu(Ka1 ) X-ray diffraction pattern having at least the 28 reflection positions
    28 28 28.913 22.429 26.942 20.325 25.672 19.053 24.451 18.603 23.316 12.871
    15
  4. 4. A method for preparing the polymorph Form A of Claim 1 comprising forming a slurry with a solvent of one or more solid forms of 8-chloro-N-[(2-chloro-517036
    94 methoxyphenyl)suifonyl]-6-(trifluoromethyl)-imidazo[1,2-a]pyridine-2-carboxamide selected from the group of forms B, C, D, solvatés, amorphous forms and mixtures of any of the foregoing with Form A and maintaining the slurry whlie the solid forms of 8-chloro-N-[(2chloro-5-methoxyphenyl)suifonyl]-6-(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamide convert to polymorph Form A.
  5. 5. The method of Claim 4 wherein the solid forms of 8-chloro-N-[(2-chloro-5methoxyphenyl)$ulfonyl]-6-(trifluoromethyl)-imidazo[1,2-a]pyridine-2-carboxamide comprises a mixture of polymorphe Form A and Form B.
  6. 6. The method of Claims 4 or 5 wherein the slurry is heated to a température between 30 ’C and the boiling point of the solvent and agitated.
  7. 7. The method of Claim 4 or 5 wherein the slurry Is agitated.
  8. 8. The method of Claim 4 or 5 wherein the solvent comprises water, a C5-C8 alkane, a C1-C4 alkanol or a C3-C4 ketone.
  9. 9. The method of Claim 8 wherein the solvent comprises water or methanol.
  10. 10. A method for preparing the polymorph Form A of Claim 1 comprising, (A) contacting 8-chloro-6-trifluoromethyl-imidazo[1,2-a]pyridine-2-carbonyl chloride or a sait thereof and 2-chloro-5-methoxybenzene sulfonamide in the presence of a first solvent to form a reaction mixture containing an intermediate solid form of 8-chloro-N-[(2-chloro-5-methoxyphenyi)sulfonyl]-6-(trifluoromethyl)-imidazo[1,2a] pyridine-2-carboxam ide, (B) separating the intermediate solid form of 8-chloro-N-[(2-chloro-5- methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-lmldazo[1,2-a]pyridine-2carboxamlde, and (C) contacting the intermediate solid form of 8-chloro-N-[(2-chloro-5- methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-imidazo[1l2-a]pyridine-2carboxamlde with a second solvent, optionally heated to a température between 30 ’C and the boiling point of the second solvent, to convert the Intermediate solid form to the polymorph Form A of Claim 1.
  11. 11. The method of Claim 10 wherein the intermediate solid form of 8-chloro-N-[(2chloro-5-methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamlde is a solvaté.
  12. 12. The method of Claim 11 wherein the intermediate solid form of 8-chloro-N-[(2chloro-5-methoxyphenyl)sulfonyl]-6-(trifluoromethyl)-lmidazo[1,2-a]pyridine-2-carboxamide Is a solvaté with toluene.
  13. 13. The method of Claim 10 wherein the Intermediate solid form of 8-chloro-N-[(2chloro-5-methoxyphenyl)sulfonyl]-6-(trifluoromethyl}-lnnidazo[1l2-a]pyridine-2-carboxamlde Is an unsolvated polymorph or mixture of polymorphs.
  14. 14. The method of Claim 10 wherein the first solvent comprises a mixture of toluene with ethyl acetate and the second solvent comprises water, methanol, acetone or nheptane.
  15. 15. A nematicidal composition comprising (a) the polymorph Form A of Claim 1 and (b) at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers.
  16. 16. A nematicidal composition comprising (a) the polymorph Form A of Claim 1 and (b) at least one other nematicide, Insecticide or fungicide.
  17. 17. A method for protecting a plant from nematodes comprising applying to the plant, or portion, or seed thereof, or to the growing medium of the plant, a nematocidally effective amount of 8-chloro-N-[(2-chloro-5-methoxyphenyl)sulfonyl]-6-(trifluoromethyl}imidazo[1,2-a]pyridine-2-carboxamide comprising the polymorph Form A of Claim 1.
  18. 18. A compound which is 8-chloro-6-(trifluoromethyl)imidazoÎ1,2-a]pyridine-2carbonyl chloride.
OA1201400157 2011-10-13 2012-10-05 Solid forms of nematocidal sulfonamides. OA17036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61/546,660 2011-10-13

Publications (1)

Publication Number Publication Date
OA17036A true OA17036A (en) 2016-03-04

Family

ID=

Similar Documents

Publication Publication Date Title
US9040554B2 (en) Solid forms of nematocidal sulfonamides
TWI482771B (en) Nematocidal sulfonamides
US9023850B2 (en) Nematocidal sulfonamides
UA123657C2 (en) Heterocycle-substituted bicyclic azole pesticides
JP6272843B2 (en) Solid form of pyridopyrimidinium inner salt
JP2022500401A (en) Isoxazoline compounds for controlling invertebrate pests
TWI714692B (en) Nematocidal heterocyclic amides
WO2021055378A1 (en) Nematicidal compositions
OA17036A (en) Solid forms of nematocidal sulfonamides.