EP0506709A1 - Arthropodicidal pyrazolines - Google Patents

Arthropodicidal pyrazolines

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Publication number
EP0506709A1
EP0506709A1 EP19910900580 EP91900580A EP0506709A1 EP 0506709 A1 EP0506709 A1 EP 0506709A1 EP 19910900580 EP19910900580 EP 19910900580 EP 91900580 A EP91900580 A EP 91900580A EP 0506709 A1 EP0506709 A1 EP 0506709A1
Authority
EP
European Patent Office
Prior art keywords
group
phenyl
alkyl
compound according
ocf
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP19910900580
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German (de)
French (fr)
Inventor
Rafael Shapiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of EP0506709A1 publication Critical patent/EP0506709A1/en
Withdrawn legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04Ortho-condensed systems
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D471/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/12Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
    • C07D471/14Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D495/00Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/12Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
    • C07D495/14Ortho-condensed systems

Definitions

  • arthropodicidal pyrazolines Disclosed are arthropodicidal pyrazolines, compositions containing them and their use.
  • WO88/302995 discloses arthropodicidal
  • A is 1, 2 or 3-atom bridge having 0 to 3 carbon atoms and 0 to 1 oxygen atom, NR 6 group, or
  • each carbon individually can be substituted with 1 to 2 substituents selected from 1 to 2 halogen, C 1 to C 6 alkyl, C 2 to C 4 alkoxycarbonyl or phenyl optionally substituted with 1 to 3 substituents selected from W and one of the carbon atoms can be C(O) or C(S).
  • This invention pertains to compounds of
  • Formula I including all geometric and stereoisomers, agriculturally suitable salts thereof, agricultural compositions containing them and use of these compounds as arthropodicides.
  • the compounds are:
  • A is selected from the group SO 2 , C(O) and
  • B is selected from the group H, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl optionally substituted with 1 to 2 halogens or 1 to 2 CH 3 , C 4 -C 6 cyclo- alkylalkyl, C 1 -C 6 haloalkyl, OR 7 , C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 2 -C 6 alkoxyalkyl, C 2 -C 6 cyanoalkyl, C 3 -C 8 alkoxycarbonylalkyl, CO 2 R 3 , C(O)R 3 , C(O)NR 3 R 4 , C(S)NR 3 R 4 , C(S)R 3 , C(S)SR 3 , phenyl, phenyl substituted with (R 5 ) p , benzyl, and benzyl substituted with 1 to 3 substituents independently selected from W;
  • W is selected from the group halogen, CN, NO 2 , C 1 -C 2 alkyl, C 1 -C 2 haloalkyl, C 1 -C 2 alkoxy, C 1 -C 2 haloalkoxy, C 1 -C 2 alkylthio, C 1 -C 2 haloalkylthio, C 1 -C 2 alkylsulfonyl, and C 1 -C 2 haloalkylsulfonyl;
  • R 1 , R 2 and R 5 are independently selected from the group R 3 , halogen, CN, N 3 , SCN, NO 2 ,
  • attached to adjacent carbon atoms can be taken together as -OCH 2 O-, -OCH 2 CH 2 O- or -CH 2 CH 2 O- to form a 5- or 6-membered fused ring or when n is 2, (R 2 ) 2 when attached to adjacent carbon atoms can be taken together as -OCH 2 O-, -OCH 2 CH 2 O- or -CH 2 CH 2 O- to form a 5- or 6-membered fused ring or when p is 2, (R 5 ) 2 when attached to adjacent carbon atoms can be taken together as -OCH 2 O-, -OCH 2 CH 2 O- or -CH 2 CH 2 O-, each of which can be substituted, independently, by 1 to 4 halogen atoms or 1 to 2 methyl groups;
  • R 3 is selected from the group H, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 halo- alkenyl, C 2 -C 6 alkynyl, C 2 -C 6 haloalkynyl, C 2 -C 6 alkoxyalkyl, C 2 -C 6 alkylthioalkyl.
  • R 4 is selected from the group H and C 1 -C 4 alkyl or R 3 and R 4 when attached to the same atom can be taken together as (CH 2 ) 4 , (CH 2 ) 5 or
  • R 6 is selected from the group SR 3 , SOR 3 , SO 2 R 3 , C(O)R 3 , CO 2 R 3 , C(O)NR 3 R 7 , C(S)NR 3 R 7 , C(S)R 3 , C(S)OR 3 , P(O)(OR 3 ) 2 , P(S)(OR 3 ) 2 , P(O)(R 3 )OR 3 and P(O) (R 3 ) (SR 7 ); provided that when R 6 is other than COR 3 , C(O)NR 3 R 7 or C(S)NR 3 R 7 then R 3 is other than H;
  • R 7 is selected from the group H, C 1 -C 4 alkyl, C 2 -C 4 alkenyl, and C 2 -C 4 alkynyl;
  • R a and R b are independently selected from the group H and C 1 -C 3 alkyl
  • X is O or S
  • n 1 to 2;
  • n 1 to 3;
  • p 1 to 3;
  • Y is selected from the group H, C 1 -C 22 alkyl, C 2 -C 22 alkoxyalkyl, CHO, C 2 -C 22 alkyl- carbonyl, C 2 -C 22 alkoxycarbonyl, C 2 -C 22 haloalkylcarbonyl, C 1 -C 22 alkylthio, C 1 -C 22 haloalkylthio, phenylthio, phenylthio substituted with 1 to 3 substituents independently selected from W and S-J; J is selected from the group H, C 1 -C 22 alkyl, C 2 -C 22 alkoxyalkyl, CHO, C 2 -C 22 alkyl- carbonyl, C 2 -C 22 alkoxycarbonyl, C 2 -C 22 haloalkylcarbonyl, C 1 -C 22 alkylthio, C 1 -C 22 haloalkylthio, phenylthio, phenylthio substitute
  • R 8 and R 12 are independently selected from the group C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 4 -C 7 cycloalkylalkyl, phenyl optionally substituted with 1 to 2 substituents selected from W, benzyl optionally substituted with 1 to 2 substituents selected from W, phenethyl optionally substituted with 1 to 2 substituents selected from W, C 2 -C 6 cyanoalkyl, C 2 -C 6 alkoxyalkyl, C 3 -C 8 alkoxycarbonylalkyl and C 4 -C 8 dialkylamino- carbonylalkyl, or R 8 and R 12 can be taken together as (CH 2 ) 4 , (CH 2 ) 5 or (CH 2 ) 2 O(CH 2 ) 2 ; R 9 is selected from the group F, C 1 -C 22 alkyl, C 1 -
  • alkoxyalkoxy C 1 -C 2 alkylthio, C 2 -C 3 alkoxy- carbonyl, C 3 -C 5 alkylaminocarbonyl and
  • phenyl, or R 9 is phenyl optionally substituted with 1 to 2 substituents selected from W, or phenoxy optionally substituted with 1 to 2 substituents selected from W;
  • R 10 and R 11 are independently selected from the group C 1 -C 4 alkyl, C 2 -C 4 haloalkyl and phenyl optionally substituted with 1 to 2 substituents selected from W, or R 10 and R 11 can be taken together as (CH 2 ) 2 , (CH 2 ) 3 or
  • R 13 is selected from the group H, F, Cl and CF 3 ;
  • R 14 is selected from the group H and F;
  • R 15 is selected from the group C 1 -C 4 alkyl
  • R 16 is selected from the group H, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 2 -C 4 alkenyl, C 2 -C 4 halo- alkenyl, phenyl optionally substituted with F, Cl, Br, CF 3 , CH 3 , OCF 3 , and benzyl optionally substituted with F, Cl, Br, CH 3 , CF 3 or OCF 3 ;
  • t O to 2
  • Y 1 is O or S
  • R 1 is in the para position and m is 1; (ii) R 13 is other than Cl when R 15 is
  • n-propyl and R 1 is Cl
  • R 16 is other than CH 3 or allyl when R 13 is Cl, R 15 is CO 2 CH 3 and R 1 is CF 3 ; (iv) R 16 is other than benzyl when R 13 is Cl,
  • R 15 is CO 2 CH 3 and R 1 is OCF 3 ;
  • (v) Y is selected from the group H, CH 3 ,
  • R 1 is selected from the group CF 3 , OCF 3
  • alkyl used either alone or in compound words such as “alkylthio” or “haloalkyl”, denotes straight chain or branched alkyl, e.g., methyl, ethyl, n-propyl, isopropyl or the different butyl, pentyl, hexyl isomers.
  • Alkoxy denotes methoxy, ethoxy, n-propyloxy, isopropyloxy and the different butoxy, pentoxy or
  • Alkenyl denotes straight chain or branched alkenes, e.g., vinyl, 1-propenyl, 2-propenyl,
  • Alkynyl denotes straight chain or branched alkynes, e.g, ethynyl, 1-propynyl, 3-propynyl and the different butynyl, pentynyl and hexynyl isomers.
  • Alkylthio denotes methylthio, ethylthio and the different propylthio, butylthio, pentylthio and
  • Alkylsulfinyl, alkylsulfonyl, alkylamino, etc., are defined analogously to the above examples.
  • Cycloalkyl denotes cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
  • halogen either alone or in compound words such as “haloalkyl”, denotes fluorine, chlorine, bromine or iodine. Further, when used in compound words such as “haloalkyl” said alkyl may be partially or fully substituted with halogen atoms, which may be the same or different. Examples of haloalkyl include CH 2 CH 2 F, CF 2 CF 2 H and CH 2 CHFCl.
  • halocyclo- alkyl “haloalkenyl” and “haloalkynyl” are defined analogously to the term “haloalkyl”.
  • C i to C j The total number of carbon atoms in a substituent group is indicated by the "C i to C j " prefix where i and j are numbers from 1 to 22.
  • C 1 to C 3 alkylsulfonyl would designate methylsulfonyl through propylsulfonyl
  • C 2 alkoxyalkoxy would designate OCH 2 OCH 3
  • C 4 alkoxyalkoxy would designate the various isomers of an alkoxy group substituted with a second alkoxy group containing a total of 4 carbon atoms, examples including OCH 2 OCH 2 CH 2 CH 3 and
  • C 2 cyanoalkyl would designate CH 2 CN and C 3 cyanoalkyl would designate CH 2 CH 2 CN and
  • C 2 alkylcarbonyl would designate C(O)CH 3 and C 4 alkylcarbonyl would include C(O)CH 2 CH 2 CH 3 and C(O)CH(CH 3 ) 2 ; and as a final example, C 3 alkoxy- carbonylalkyl would designate CH 2 CO 2 CH 3 and C 4 alkoxy- carbonylalkyl would include CH 2 CH 2 CO 2 CH 3 , CH 2 CO 2 CH 2 CH 3 and CH(CH 3 )CO 2 CH 3 .
  • Preferred Compound A are those of Formula I wherein:
  • R a is H
  • R b is H
  • B is selected from the group H, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 2 -C 6 alkoxyalkyl, C 3 -C 8 alkoxy- carbonylalkyl, CO 2 R 3 , C(O)R 3 , C(O)NR 3 R 4 , C(S)NR 3 R 4 , C(S)R 3 , C(S)SR 3 , phenyl, and phenyl substituted by (R 5 ) p ;
  • R 2 is selected from the group R 3 , halogen, CN,
  • R 3 is selected from the group H, C 1 -C 4 alkyl, C 1 -C 2 haloalkyl, C 3 -C 4 alkenyl, C 3 -C 4 haloalkenyl, propargyl, phenyl, and benzyl, or phenyl or benzyl substituted with one of F, Cl, Br, CF 3 , OCF 3 , OCF 2 H or NO 2 ;
  • p 1 or 2;
  • n 1 or 2;
  • X is O
  • Y is selected from the group H, C 1 -C 4 alkyl, SCH 3 , SCCl 3 , SO 2 CH 3 , SC 6 H 5 , 2-NO 2 -C 6 H 4 S, C(O)CH 3 , C(O)CH 2 CH 3 , C(O)CF 3 ; CO 2 CH 3 , CO 2 CH 2 CH 3 , and S-J;
  • J is J 1 , J 2 , J 3 , J 4 or J 5 ;
  • R 8 and R 12 are independently selected from the group C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 5 -C 6 cycloalkyl, C 3 -C 8 alkoxycarbonylalkyl, phenyl, benzyl, and phenethyl, each
  • R 8 and R 12 can be taken together as (CH 2 ) 4 , (CH 2 ) 5 or
  • R 10 and R 11 are independently selected from the group C 1 -C 3 alkyl and phenyl;
  • W is selected from the group Cl, F, Br, CN, C F 3 , C 1 -C 2 alkyl, C 1 -C 2 alkoxy, OCF 2 H,
  • Preferred Compounds B are Compounds A wherein:
  • R 1 is selected from the group halogen, CN, SCN, NO 2 , OR 3 , SR 3 , SO 2 R 3 , CO 2 R 3 , C(O)R 3 , and R 3 , with one substituent in the
  • R 1 can be taken together as -CH 2 C(CH 3 ) 2 O-,
  • R 5 is selected from the group H, R 3 , halogen,
  • R 3 is selected from the group H, C 1 -C 4 alkyl, C 1 -C 2 haloalkyl, C 3 -C 4 alkenyl, and
  • R 4 is selected from the group H and CH 3 ;
  • n and p are independently 1 or 2 and one
  • Y is is selected from the group H, CH 3 , COCH 3 ,
  • J is J 1 or J 2 ; .
  • R 8 is selected from the group C 1 -C 4 alkyl and phenyl optionally substituted with Cl or CH 3 ;
  • R 9 is selected from the group C 1 -C 12 alkyl, C 1 -C 12 alkoxy, C 1 -C 6 haloalkyl, dimethyl- amino, phenyl optionally substituted with Cl and CH 3 , or, R 9 is C 1 -C 4 alkoxy
  • Preferred Compounds C are Compounds B wherein:
  • R 1 is selected from the group Cl, F, Br, CF 3 , CN, OCF 3 , OCF 2 H, OCF 2 CF 2 H, and SCF 2 H;
  • R 2 and R 5 are independently selected from the group H, Cl, F, Br, CN, CF 3 , CH 3 , OCF 2 H, OCF 3 , SCH 3 , SCF 2 H, NO 2 , and OCH 2 CF 3 ;
  • B is selected from the group H, CH 3 , CH 2 CH 3 , CO 2 CH 3 , CO 2 CH 2 CH 3 , CO 2 (CH)(CH 3 ) 2 , phenyl and phenyl substituted with (R 5 ) p , and; R 6 is selected from the group SO 2 R 3 , CO 2 R 3 COR 3 , and CONHR 3 .
  • Preferred Compounds D are Compounds C wherein Q is Q-1.
  • Preferred Compounds E are Compounds C wherein Q is Q-2.
  • Preferred Compounds F are Compounds C wherein
  • Preferred Compounds G are Compounds C wherein
  • Q is Q-4.
  • Preferred Compounds H are Compounds C wherein Q is Q-5.
  • Preferred Compounds I are Compounds C wherein Q is Q-6.
  • Preferred Compounds J are Compounds C wherein Q is Q-7.
  • Preferred Compounds K are Compounds C wherein Q is Q-8.
  • Preferred Compounds L are Compounds C wherein
  • Preferred Compounds M are Compounds C wherein
  • Q is Q-10.
  • Preferred Compounds N are Compounds C wherein Q is Q-11.
  • Q-1 where R a and R b are H, is used as a representative value of Q in the discussion that follows and is referred to by the following numbering system:
  • the temperature at which the reaction is run can be between -20°C and 80°C, with preferred temperatures being in the range of about -10°C to 40°C.
  • R 17 Me or Et
  • the reaction of Scheme 2 is generally carried out by contacting the substrate with one to three equivalents of a strong acid such as HCl or p-toluene sulfonic acid, optionally containing some water, in a solvent such as ethanol or dioxane for 1 to 72 hours at 50°C to 100°C.
  • a strong acid such as HCl or p-toluene sulfonic acid
  • a solvent such as ethanol or dioxane
  • reaction is a salt of III which can either be
  • the deprotected compound of Formula IV is typically combined with one equivalent of an alkylating agent corresponding to the desired Z substituent in an inert solvent such as dimethylformamide or tetrahydrofuran in the presence of one equivalent of a strong base such as sodium hydride at a temperature of between 0°C and 80°C for 0.1 to 24 hours.
  • an inert solvent such as dimethylformamide or tetrahydrofuran
  • a strong base such as sodium hydride at a temperature of between 0°C and 80°C for 0.1 to 24 hours.
  • the product can be isolated by concentration, dilution with water, extraction into an organic solvent such as ether, and concentration.
  • the product can be purified by crystallization or chromatography on silica gel, or it may be carried along as such to the following reaction.
  • the compounds of Formula IV are produced by the cyclization reaction of an olefinic phosphoryl- hydrazone of Formula V induced by the combination of a mild base such as triethylamine and a mild
  • R 1 7 Me or Et
  • anhydrous solvent in the presence of one of the base/haloimide components at -20 to 50° and the other component is added gradually.
  • the product can be isolated by washing the reaction mixture with water, evaporating the solvent, and either recrystallizing or chromatographing to remove by-products.
  • the reaction of Scheme 5 can be conducted by contacting aldehyde VI and compound VII in an inert solvent such as dichloromethane for 0.1 to 16 hours, optionally in the presence of a catalytic (0.1 to 10%) amount of an acid such as acetic or p-toluene sulfonic, and optionally in the presence of an inorganic drying agent such as anhydrous magnesium sulfate.
  • an inert solvent such as dichloromethane
  • an inorganic drying agent such as anhydrous magnesium sulfate
  • Compounds of Formula VI can be prepared by reacting, for example, an N-sulfonyl or N-benzyl anthranilic aldehyde of Formula VIII with alkylating agents of Formula IX, wherein L is a suitable
  • reaction of Scheme 6 is typically carried out by combining equimolar quantities of VIII and IX in a suitable solvent for alkylation reactions, such as dimethylformamide (DMF) in the presence of
  • a suitable base such as anhydrous potassium carbonate
  • R 1 6 is H
  • a compound of Formula I wherein the R 6 or R 16 substituent is replaced by a suitable protecting group such as benzyloxycarbonyl, benzyl, trichloroethoxycarbonyl, trichloroacetyl, and the like, can be deprotected by conditions suited to that protecting group.
  • a suitable protecting group such as benzyloxycarbonyl, benzyl, trichloroethoxycarbonyl, trichloroacetyl, and the like.
  • the deprotected compound of Formula I is typically combined with an electrophilic species (E) corresponding to the desired R 6 or R 16 substituent (acyl halide or anhydride, alkyl chloroformate, carbamoyl halide, chlorophosphate, etc.) optionally in the presence of an acid-binding agent in an inert solvent such as dichloromethane, and the product of Formula I is isolated by washing with water, concentration, and crystallization or chromatography.
  • E electrophilic species
  • R 6 or R 16 substituent acyl halide or anhydride, alkyl chloroformate, carbamoyl halide, chlorophosphate, etc.
  • Step A Methyl 2-(methylsulfonylamino)-4-(trifluoro- methyl)benzoate
  • the product (4.4 g) from Step A was dissolved in 50 mL of tetrahydrofuran at (THF) 0°C and 20 mL of 1 M LiAlH 4 in THF was added dropwise. After being stirred at 25°C for 0.5 hours, 30 mL of IN HCl was added dropwise. After extraction with ethyl acetate, drying with MgSO 4 , and removal of solvent under vacuum, the product was dissolved in a 100 mL of dichloromethane and stirred with 15 g of activated manganese dioxide at 40°C for 2.5 hours. The MnO 2 was filtered off using Celite® and the filtrate was concentrated and triturated with hexanes to provide 2.1 g of a white solid.
  • Step C Methyl 2-(N-[2-formyl-5(trifluoromethyl)- phenyl]-N-(methylsulfonyl)aminomethyl)- 2-propenoate
  • Step D Methyl 3,3a,4,5-tetrahydro-5-(methylsulfonyl)-7-trifluoromethyl)-2-([4-trifluoromethyl)phenylamino]carbonyl)2H- pyrazolo[4,3-c]quinoline-3a-carboxylate
  • Step A 4-Chloro-2-([(1,1-dimethylethoxy)carbonyl] amino)benzoic acid
  • Step B 1,1-Dimethylethyl[5-chloro-2(hydroxymethyl)- phenyl]carbamate
  • Step B The title compound of Step B, 3.26 g, was dissolved in 120 ml of CH 2 Cl 2 and treated with 8.20 g of MnO 2 . This mixture was heated at reflux for 4 hours, cooled to room temperature, and filtered through Celite. The organic solution was
  • Step E 1,1-Dimethylethyl 7-chloro-2-(diethoxyphos- phinyl)-3,3a,4,5-tetrahydro-3a-methyl-2H- pyrazolo[4,3-c]quinoline-5-carboxylate
  • N-bromosuccinimide was added in portions. This mixture was diluted with 30 ml of ether after 20 minutes and washed with saturated aqueous NaHCO 3 , water, and brine. The ether extract was dried over MgSO 4 and concentrated. Chromatography on silica provided 0.39 g of the title compound as yellow oil, 1H NMR (CDCl 3 ): ⁇ 1.25 (s, 3H), 1.33 (t, 6H),
  • Step F Diethyl (7-chloro-3,3a,4,5-tetrahydro-3a- methyl-2H-pyrazolo[4,3-c]quinolin-2-yl)- phosphonate
  • Step E and 3.5 g of trifluoroacetic acid in 20 ml of CH 2 Cl 2 was stirred at room temperature for three hours. This mixture was poured over ice, and saturated aqueous NaHCO 3 was added to obtain a pH of 9-10. The layers were separated, and the organic phase was washed with water and brine. The organic layer was dried over MgSO 4 and concentrated.
  • Step G Diethyl (7-chloro-3,3a,4,5-tetrahydro-3a,5- dimethyl-2H-pyrazolo[4,3-c]quinolin-2-yl)- phosphonate
  • Step H 7-Chloro-3,3a,4,5-tetrahydro-3a,5-dimethyl- N-[4-(trifluoromethyl)phenyl)-2H-pyrazolo- [4,3-c]quinoline-2-carboxamide
  • Step B The title compound of Step B, 2.98 g, was submitted to the reaction conditions of Example 2, Step C to provide 2.81 g of a yellow oil.
  • Step E 5-Benzyl-7-chloro-3,3a,4,5-tetrahydro-3a- methyl-N-[4-(trifluoromethyl)phenyl]-2H- pyrazolo[4,3-c]quinoline-2-carboxamide
  • Step D The title compound of Step D, 1.01 g, was submitted to the reaction conditions of Example 2, Step E.
  • Silica gel chromatography afforded the purified cyclization intermediate, which was then submitted to the reaction conditions of Example 2, Step H.
  • a compound of this invention was thus obtained as 1.52 g of a tan powder, mp 190.5-193°C.
  • dimethoxyethane 25 mL of methanol and 2 mL of formic acid. This solution was added, dropwise, to a stirred suspension of 1.0 g of 10% palladium on carbon in 25 mL of 4.4% methanolic formic acid.
  • the compounds of this invention will generally be used in formulation with an agriculturally
  • Sprayable formulations can be extended in suitable media and used at spray volumes of from
  • formulations broadly, contain from less than about 1% to 99% by weight of active ingredient(s) and at least one of a) about 0.1% to 20% surfactant(s) and b) about 5% to 99% solid or liquid diluent(s). More specifically, they will contain effective amounts of these ingredients in the following approximate
  • compositions Lower or higher levels of active ingredient can, of course, be present depending on the intended use and the physical properties of the compound. Higher ratios of surfactant to active ingredient are sometimes desirable, and are achieved by incorporation into the formulation or by tank mixing.
  • Agents Chemical Publ. Co., Inc., New York, 1964, list surfactants and recommended uses. All formulations can contain minor amounts of additives to reduce foam, caking, corrosion, microbiological growth, etc. Preferably, ingredients should be approved by the U.S. Environmental Protection Agency for the use intended.
  • compositions are well known. Solutions are prepared by simply mixing the ingredients. Fine solid compositions are made by blending and, usually, grinding as in a hammer or fluid energy mill. Suspensions are prepared by wet milling (see, for example, U.S. 3,060,084). Granules and pellets can be made by spraying the active
  • the ingredients are combined and stirred with gentle warming to speed solution.
  • a fine screen filter is included in packaging operation to insure the absence of any extraneous undissolved material in the product.
  • Example C The active ingredient is mixed with the inert materials in a blender. After grinding in a hammer- mill, the material is re-blended and sifted through a 50 mesh screen.
  • Example C The active ingredient is mixed with the inert materials in a blender. After grinding in a hammer- mill, the material is re-blended and sifted through a 50 mesh screen.
  • the wettable powder and the pyrophyllite diluent are thoroughly blended and then packaged.
  • the product is suitable for use as a dust.
  • the active ingredient is dissolved in a volatile solvent such as acetone and sprayed upon dedusted and pre-warmed attapulgite granules in a double cone blender. The acetone is then driven off by heating. The granules are then allowed to cool and are packaged.
  • a volatile solvent such as acetone
  • the ingredients are blended in a rotating mixer and water sprayed on to accomplish granulation. When most of the material has reached the desired range of 0.1 to 0.42 mm (U.S.S. No. 18 to 40 sieves), the granules are removed, dried, and screened. Oversize material is crushed to produce additional material in the desired range. These granules contain 4.5% active ingredient.
  • the ingredients are combined and stirred to produce a solution suitable for direct, low volume application.
  • the ingredients are combined and ground together in a sand mill to produce particles substantially all below 5 microns.
  • the product can be used directly, extended with oils, or emulsified in water.
  • the active ingredient and surfactant blend are dissolved in a suitable solvent such as acetone and sprayed onto the ground corn cobs.
  • a suitable solvent such as acetone
  • the granules are then dried and packaged.
  • Compounds of Formula I can also be mixed with one or more other arthropodicides, fungicides, nematocides, bactericides, acaricides, or other biologically active compounds to form a
  • arthropodicides are listed hereafter by their common names: triflumuron, diflubenzuron, methoprene, buprofezin, thiodicarb, acephate, azinphosmethyl, chlorpyrifos, dimethoate, fonophos, isofenphos, methidathion, methamidiphos, monocrotphos, phosmet, phosphamidon, phosalone, pirimicarb, phorate,
  • terbufos trichlorfon, methoxychlor, bifenthrin, biphenate, cyfluthrin, fenpropathrin, fluvalinate, flucythrinate, tralomethrin, metal- dehyde and
  • the compounds of this invention exhibit activity against a wide spectrum of foliar and soil inhabiting arthropods which are pests of growing and stored agronomic crops, forestry, greenhouse crops,
  • Coleoptera including Colorado potato beetle, Mexican bean beetle, flea beetle, Japanese beetles, and other leaf beetles, boll weevil, rice water weevil, granary weevil, rice weevil and other weevil pests, and soil inhabiting arthropods such as Western corn rootworm and other Diabrotica spp., Japanese beetle, European chafer and other coleopteran grubs, and wireworms; adults and larvae of the orders Hemiptera and Homoptera including tarnished plant bug and other plant bugs (miridae), aster leafhopper and other leafhoppers (cicadellidae), rice planthopper, brown planthopper, and other planthoppers (fulgoroidea), psylids,
  • whiteflies (aleurodidae), aphids (aphidae), scales (coccidae and diaspididae), lace bugs (tingidae), stink bugs (pentatomidae), cinch bugs and other seed bugs (lygaeidae), cicadas (cicadidae), spittlebugs (cercopids), squash bugs (coreidae), red bugs and cotton stainers (pyrrhpcoridae); adults and larvae of the order acari (mites) including European red mite, two spotted spider mite, rust mites, McDaniel mite, and foliar feeding mites; adults and immatures of the order Orthoptera including grasshoppers; adults and immatures of the order Diptera including leafminers, midges, fruit flies
  • Thysanoptera including onion thrips and other foliar feeding thrips.
  • the compounds are also active against
  • arthropod pests of the order Hymenoptera including carpenter ants, bees, hornets, and wasps
  • arthropod pests of the order Diptera including house flies, stable flies, face flies, horn flies, blow flies, and other muscoid fly pests, horse flies, deer flies and other Brachycera, mosquitoes, black flies, biting midges, sand flies, sciarids, and other Nematocera: arthropod pests of the order Orthoptera including cockroaches and crickets; arthropod pests of the order Isoptera
  • Anoplura including the head louse, body louse, chicken head louse and other sucking and chewing parasitic lice that attack man and animals; arthropod pests of the order Siphonoptera including the cat flea, dog flea and other fleas.
  • fruigiperda tobacco budworm, Heliothis virescens: boll weevil, Anthonomus grandis; aster leafhopper, Macrosteles fascifrons: black bean aphid, (Aphis Fabae); southern corn rootworm, Diabrotica
  • the pest control protection afforded by the compounds of the present invention is not limited, however, to these species.
  • the compounds of this invention may also be utilized as rodenticides.
  • Arthropod pests are controlled and protection of agronomic crops, animal and human health is achieved by applying one or more of the Formula I compounds of this invention, in an effective amount, to the
  • a preferred method of application is by spraying with equipment that distributes the compound in the
  • granular formulations of these toxicant compounds can be applied to or incorporated into the soil.
  • Other methods of application can also be employed including direct and residual sprays, aerial sprays, baits, eartags, boluses, foggers, aerosols, and many others.
  • the compounds can be incorporated into baits that are consumed by the arthropods or in devices such as traps and the like which entice them to ingest or otherwise contact the compounds.
  • the compounds of this invention can be applied in their pure state, but most often application will be of a formulation comprising one or more compounds with suitable carriers, diluents, and surfactants and possibly in combination with a food depending on the contemplated end use.
  • suitable carriers diluents, and surfactants
  • synergists such as piperonyl butoxide often enhance the efficacy of the compounds of Formula I.
  • Test units each consisting of an 8-ounce plastic cup containing a layer of wheat germ diet, approximately 0.5 cm thick, were prepared. Ten third-instar larvae of fall armyworm (Spodoptera frugiperda) were placed into each cup. Solutions of each of the test compounds (acetone/distilled water 75/25 solvent) were sprayed onto the cups, a single solution per set of three cups. Spraying was
  • Test A The test procedure of Test A was repeated for efficacy against third-instar larvae of the tobacco budworm (Heliothis virescens) except that mortality was assessed at 48 hours. Of the compounds tested, the following resulted in greater than or equal to 80% mortality: 1, 3, 4, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 17. TEST C
  • Test units each consisting of an 8-ounce plastic cup containing 1 sprouted corn seed, were prepared. Sets of three test units were sprayed as described in Test A with individual solutions of the test compounds. After the spray on the cups had dried, five third-instar larvae of the southern corn rootworm (Diabrotica undecimounctata howardi) were placed into each cup. A moistened dental wick was inserted into each cup to prevent drying and the cups were then covered. The cups were then held at 27°C and 50% relative humidity for 48 hours, after which time mortality readings were taken. Of the compounds tested, the following resulted in greater than or equal to 80% mortality: 1, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 17.
  • Test units were prepared from a series of 12-ounce cups, each containing oat (Avena sativa) seedlings in a 1-inch layer of sterilized soil. The test units were sprayed as described in Test A with individual solutions of the below-listed compounds. After the oats had dried from the spraying, between 10 and 15 adult aster leafhoppers (Mascrosteles).
  • fascifrons were aspirated into each of the covered cups.
  • the cups were held at 27°C and 50% relative humidity for 48 hours, after which time mortality readings were taken.
  • 80% mortality 1, 6, 7, 9, 12, 13, 15 and 17.
  • Test units each consisting of one-inch square sections of kidney bean leaves, were infested with 20 to 30 adult two-spotted spider mites (Tetranychus urticae) and sprayed as described in Test A with individual solutions of the below-listed compounds.
  • test units were sprayed per solution. Sprayed leaf sections were then placed on a layer of moistened cotton in a Petri dish «and held at 27°C and 50%

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Abstract

Pyrazolines arthropodicides présentant la formule (I) dans laquelle X, O ou S et Q représentent la formule (II) dans laquelle F complète un anneau benzène, pyridine ou thiopène fusionné, et la formule (III) dans laquelle A représente SO2, C(O) ou CRaRb, n'=0 ou 1.Arthropodicidal pyrazolines having the formula (I) in which X, O or S and Q represent the formula (II) in which F completes a fused benzene, pyridine or thiopene ring, and the formula (III) in which A represents SO2, C ( O) or CRaRb, n '= 0 or 1.

Description

TITLE
ARTHROPODICIDAL PYRAZOLINES
Background of the Invention
Field of the Invention
Disclosed are arthropodicidal pyrazolines, compositions containing them and their use.
State of the Art
WO88/302995 discloses arthropodicidal
pyrazolines of the formula:
wherein:
Q is and
A is 1, 2 or 3-atom bridge having 0 to 3 carbon atoms and 0 to 1 oxygen atom, NR6 group, or
S(O)q group, wherein each carbon individually can be substituted with 1 to 2 substituents selected from 1 to 2 halogen, C1 to C6 alkyl, C2 to C4 alkoxycarbonyl or phenyl optionally substituted with 1 to 3 substituents selected from W and one of the carbon atoms can be C(O) or C(S).
Summary of the Invention
This invention pertains to compounds of
Formula I including all geometric and stereoisomers, agriculturally suitable salts thereof, agricultural compositions containing them and use of these compounds as arthropodicides. The compounds are:
wherein:
Q is selected from the group
Q-1 Q-2
and
A is selected from the group SO2, C(O) and
CRaRa;
B is selected from the group H, C1-C6 alkyl, C3-C6 cycloalkyl optionally substituted with 1 to 2 halogens or 1 to 2 CH3, C4-C6 cyclo- alkylalkyl, C1-C6 haloalkyl, OR7, C2-C6 alkenyl, C2-C6 alkynyl, C2-C6 alkoxyalkyl, C2-C6 cyanoalkyl, C3-C8 alkoxycarbonylalkyl, CO2R3, C(O)R3, C(O)NR3R4, C(S)NR3R4, C(S)R3, C(S)SR3, phenyl, phenyl substituted with (R5)p, benzyl, and benzyl substituted with 1 to 3 substituents independently selected from W;
W is selected from the group halogen, CN, NO2, C1-C2 alkyl, C1-C2 haloalkyl, C1-C2 alkoxy, C1-C2 haloalkoxy, C1-C2 alkylthio, C1-C2 haloalkylthio, C1-C2 alkylsulfonyl, and C1-C2 haloalkylsulfonyl;
R1, R2 and R5 are independently selected from the group R3, halogen, CN, N3, SCN, NO2,
OR3, SR3, SOR3, SO2R3, OC(O)R3, OSO2R3, CO2R3, C(O)R3, C(O)NR3R4, SO2NR3R4, NR3R4, NR4C(O)R3, OC(O)NHR3, NR4C(O)NHR3, and
NR4SO2R3, or when m is 2, (R1)2 when
attached to adjacent carbon atoms can be taken together as -OCH2O-, -OCH2CH2O- or -CH2CH2O- to form a 5- or 6-membered fused ring or when n is 2, (R2)2 when attached to adjacent carbon atoms can be taken together as -OCH2O-, -OCH2CH2O- or -CH2CH2O- to form a 5- or 6-membered fused ring or when p is 2, (R5)2 when attached to adjacent carbon atoms can be taken together as -OCH2O-, -OCH2CH2O- or -CH2CH2O-, each of which can be substituted, independently, by 1 to 4 halogen atoms or 1 to 2 methyl groups;
R3 is selected from the group H, C1-C6 alkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C2-C6 halo- alkenyl, C2-C6 alkynyl, C2-C6 haloalkynyl, C2-C6 alkoxyalkyl, C2-C6 alkylthioalkyl. C1-C2 nitroalkyl, C2-C6 cyanoalkyl, C3-C8 alkoxycarbonylalkyl, C3-C6 cycloalkyl, C3-C6 halocycloalkyl, phenyl, benzyl, and phenyl or benzyl substituted with 1 to 3
substituents independently selected from W; R4 is selected from the group H and C1-C4 alkyl or R3 and R4 when attached to the same atom can be taken together as (CH2)4, (CH2)5 or
(CH2CH2OCH2CH2);
R6 is selected from the group SR3, SOR3, SO2R3, C(O)R3, CO2R3, C(O)NR3R7, C(S)NR3R7, C(S)R3, C(S)OR3, P(O)(OR3)2, P(S)(OR3)2, P(O)(R3)OR3 and P(O) (R3) (SR7); provided that when R6 is other than COR3, C(O)NR3R7 or C(S)NR3R7 then R3 is other than H;
R7 is selected from the group H, C1-C4 alkyl, C2-C4 alkenyl, and C2-C4 alkynyl;
Ra and Rb are independently selected from the group H and C1-C3 alkyl;
X is O or S;
n is 1 to 2;
m is 1 to 3;
p is 1 to 3;
Y is selected from the group H, C1-C22 alkyl, C2-C22 alkoxyalkyl, CHO, C2-C22 alkyl- carbonyl, C2-C22 alkoxycarbonyl, C2-C22 haloalkylcarbonyl, C1-C22 alkylthio, C1-C22 haloalkylthio, phenylthio, phenylthio substituted with 1 to 3 substituents independently selected from W and S-J; J is selected from the group
NR8CR9, NR8S(O)tR9, N '
X
J 1 J 2 J3 J 4
NR8R12 an d SR10 ;
J5 J6 J7 J8 R8 and R12 are independently selected from the group C1-C6 alkyl, C1-C6 haloalkyl, C3-C6 cycloalkyl, C4-C7 cycloalkylalkyl, phenyl optionally substituted with 1 to 2 substituents selected from W, benzyl optionally substituted with 1 to 2 substituents selected from W, phenethyl optionally substituted with 1 to 2 substituents selected from W, C2-C6 cyanoalkyl, C2-C6 alkoxyalkyl, C3-C8 alkoxycarbonylalkyl and C4-C8 dialkylamino- carbonylalkyl, or R8 and R12 can be taken together as (CH2)4, (CH2)5 or (CH2)2O(CH2)2; R9 is selected from the group F, C1-C22 alkyl, C1-C6 haloalkyl, C1-C22 alkoxy, C2-C8 dialkyl- amino, piperidinyl, pyrolidinyl, morpholino, C1-C4 haloalkoxy, C1-C4 alkoxy substituted with cyano, nitro, C2-C4 alkoxy, C4-C8
alkoxyalkoxy, C1-C2 alkylthio, C2-C3 alkoxy- carbonyl, C3-C5 alkylaminocarbonyl and
phenyl, or R9 is phenyl optionally substituted with 1 to 2 substituents selected from W, or phenoxy optionally substituted with 1 to 2 substituents selected from W;
R10 and R11 are independently selected from the group C1-C4 alkyl, C2-C4 haloalkyl and phenyl optionally substituted with 1 to 2 substituents selected from W, or R10 and R11 can be taken together as (CH2)2, (CH2)3 or
CH2C(CH3)2CH2;
R13 is selected from the group H, F, Cl and CF3; R14 is selected from the group H and F;
R15 is selected from the group C1-C4 alkyl,
CO2CH3, C3-C6 cycloalkyl, C4-C7 cyclo- alkylalkyl, phenyl optionally substituted with F or Cl in the para-position, and benzyl optionally substituted with F or Cl in the para-position;
R16 is selected from the group H, C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 alkenyl, C2-C4 halo- alkenyl, phenyl optionally substituted with F, Cl, Br, CF3, CH3, OCF3, and benzyl optionally substituted with F, Cl, Br, CH3, CF3 or OCF3;
t is O to 2; and
Y1 is O or S;
characterized further in that, when Q is Q-11,
(i) R1 is in the para position and m is 1; (ii) R13 is other than Cl when R15 is
n-propyl and R1 is Cl;
(iii) R16 is other than CH3 or allyl when R13 is Cl, R15 is CO2CH3 and R1 is CF3; (iv) R16 is other than benzyl when R13 is Cl,
R15 is CO2CH3 and R1 is OCF3;
(v) Y is selected from the group H, CH3,
C(O)CH3, and CO2CH3; (vi) Y is selected from the group H and
CO2CH3 when R13 is F or Cl, R1 is CF3 and R16 is CH3;
(vii) R13 and R14 are not simultaneously H;
and
(viii) R1 is selected from the group CF3, OCF3
Cl and Br.
In the above definitions, the term "alkyl", used either alone or in compound words such as "alkylthio" or "haloalkyl", denotes straight chain or branched alkyl, e.g., methyl, ethyl, n-propyl, isopropyl or the different butyl, pentyl, hexyl isomers.
Alkoxy denotes methoxy, ethoxy, n-propyloxy, isopropyloxy and the different butoxy, pentoxy or
hexyloxy isomers.
Alkenyl denotes straight chain or branched alkenes, e.g., vinyl, 1-propenyl, 2-propenyl,
3-propenyl and the different butenyl, pentenyl and hexenyl isomers.
Alkynyl denotes straight chain or branched alkynes, e.g, ethynyl, 1-propynyl, 3-propynyl and the different butynyl, pentynyl and hexynyl isomers.
Alkylthio denotes methylthio, ethylthio and the different propylthio, butylthio, pentylthio and
hexylthio isomers.
Alkylsulfinyl, alkylsulfonyl, alkylamino, etc., are defined analogously to the above examples.
Cycloalkyl denotes cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
The term "halogen", either alone or in compound words such as "haloalkyl", denotes fluorine, chlorine, bromine or iodine. Further, when used in compound words such as "haloalkyl" said alkyl may be partially or fully substituted with halogen atoms, which may be the same or different. Examples of haloalkyl include CH2CH2F, CF2CF2H and CH2CHFCl. The terms "halocyclo- alkyl", "haloalkenyl" and "haloalkynyl" are defined analogously to the term "haloalkyl".
The total number of carbon atoms in a substituent group is indicated by the "Ci to Cj" prefix where i and j are numbers from 1 to 22. For example, C1 to C3 alkylsulfonyl would designate methylsulfonyl through propylsulfonyl; C2 alkoxyalkoxy would designate OCH2OCH3; C4 alkoxyalkoxy would designate the various isomers of an alkoxy group substituted with a second alkoxy group containing a total of 4 carbon atoms, examples including OCH2OCH2CH2CH3 and
OCH2CH2OCH2CH3; C2 cyanoalkyl would designate CH2CN and C3 cyanoalkyl would designate CH2CH2CN and
CH(CN)CH3; C2 alkylcarbonyl would designate C(O)CH3 and C4 alkylcarbonyl would include C(O)CH2CH2CH3 and C(O)CH(CH3)2; and as a final example, C3 alkoxy- carbonylalkyl would designate CH2CO2CH3 and C4 alkoxy- carbonylalkyl would include CH2CH2CO2CH3 , CH2CO2CH2CH3 and CH(CH3)CO2CH3.
Preferred Compound A are those of Formula I wherein:
Ra is H;
Rb is H;
B is selected from the group H, C1-C6 alkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C2-C6 alkynyl, C2-C6 alkoxyalkyl, C3-C8 alkoxy- carbonylalkyl, CO2R3, C(O)R3, C(O)NR3R4, C(S)NR3R4, C(S)R3, C(S)SR3, phenyl, and phenyl substituted by (R5)p;
R2 is selected from the group R3, halogen, CN,
SCN, NO2, OR3, and SR3; R3 is selected from the group H, C1-C4 alkyl, C1-C2 haloalkyl, C3-C4 alkenyl, C3-C4 haloalkenyl, propargyl, phenyl, and benzyl, or phenyl or benzyl substituted with one of F, Cl, Br, CF3, OCF3, OCF2H or NO2;
p is 1 or 2;
m is 1 or 2;
X is O;
Y is selected from the group H, C1-C4 alkyl, SCH3, SCCl3, SO2CH3, SC6H5, 2-NO2-C6H4S, C(O)CH3, C(O)CH2CH3, C(O)CF3; CO2CH3, CO2CH2CH3, and S-J;
J is J1, J2, J3, J4 or J5;
R8 and R12 are independently selected from the group C1-C6 alkyl, C1-C6 haloalkyl, C5-C6 cycloalkyl, C3-C8 alkoxycarbonylalkyl, phenyl, benzyl, and phenethyl, each
phenyl, benzyl and phenethyl optionally substituted with W, or, R8 and R12 can be taken together as (CH2)4, (CH2)5 or
(CH2)2O(CH2)2;
R10 and R11 are independently selected from the group C1-C3 alkyl and phenyl;
t is 2; and
W is selected from the group Cl, F, Br, CN, C F3, C1-C2 alkyl, C1-C2 alkoxy, OCF2H,
OCF3, and NO2.
Preferred Compounds B are Compounds A wherein:
B is selected from the group H, C1-C4 alkyl, C3-C4 alkoxycarbonylalkyl, CO2R3, C(O)R3, phenyl and phenyl substituted with (R5)p; R1 is selected from the group halogen, CN, SCN, NO2, OR3, SR3, SO2R3, CO2R3, C(O)R3, and R3, with one substituent in the
4-position;
R1 can be taken together as -CH2C(CH3)2O-,
OCH2CH2O-, OCF2CF2O- or -CF2CF2O- to form a 5- or 6-membered fused ring;
R5 is selected from the group H, R3, halogen,
CN, SCN, NO2, OR3, SR3, SO2R3, C(O)R3, OSO2R3, CO2R3, C(O)R3, C(O)NR3R4,
SO2NR3R4, and NR3R4;
R3 is selected from the group H, C1-C4 alkyl, C1-C2 haloalkyl, C3-C4 alkenyl, and
propargyl;
R4 is selected from the group H and CH3;
m and p are independently 1 or 2 and one
substituent is in the para-position;
Y is is selected from the group H, CH3, COCH3,
CO2CH3, and S-J;
J is J1 or J2; .
R8 is selected from the group C1-C4 alkyl and phenyl optionally substituted with Cl or CH3; and
R9 is selected from the group C1-C12 alkyl, C1-C12 alkoxy, C1-C6 haloalkyl, dimethyl- amino, phenyl optionally substituted with Cl and CH3, or, R9 is C1-C4 alkoxy
substituted with C2-C4 alkoxy or 1 to 6 halogens.
Preferred Compounds C are Compounds B wherein:
R1 is selected from the group Cl, F, Br, CF3, CN, OCF3, OCF2H, OCF2CF2H, and SCF2H; R2 and R5 are independently selected from the group H, Cl, F, Br, CN, CF3, CH3, OCF2H, OCF3, SCH3, SCF2H, NO2, and OCH2CF3;
B is selected from the group H, CH3, CH2CH3, CO2CH3, CO2CH2CH3, CO2(CH)(CH3)2, phenyl and phenyl substituted with (R5)p, and; R6 is selected from the group SO2R3, CO2R3 COR3, and CONHR3.
Preferred Compounds D are Compounds C wherein Q is Q-1. Preferred Compounds E are Compounds C wherein Q is Q-2.
Preferred Compounds F are Compounds C wherein
Q is Q-3.
Preferred Compounds G are Compounds C wherein
Q is Q-4.
Preferred Compounds H are Compounds C wherein Q is Q-5.
Preferred Compounds I are Compounds C wherein Q is Q-6. Preferred Compounds J are Compounds C wherein Q is Q-7.
Preferred Compounds K are Compounds C wherein Q is Q-8. Preferred Compounds L are Compounds C wherein
Q is Q-9.
Preferred Compounds M are Compounds C wherein
Q is Q-10.
Preferred Compounds N are Compounds C wherein Q is Q-11.
Specifically preferred Compounds are:
(O) Methyl-3,3a,4,5-tetrahydro-5-(methyl- sulfonyl)-7-(trifluoromethyl)-2-[[[4- (trifluoromethyl)phenyl]amino]carbonyl]-
2H-pyrazolo[4,3-c] quinoline-3a- carboxylate (Q-1);
(P) 7-Chloro-3,3a,4,5-tetrahydro-3a-methyl-5- (methylsulfonyl)-N-[4-(trifluoromethyl)- phenyl]-2H-pyrazolo[4, 3-C]quinoline- 2-carboxamide (Q-1); and
(Q) 7-Chloro-3,3a,4,5-tetrahydro-3a,5-dimethyl-N- 4-(trifluoromethyl)phenyl]-2H-pyrazolo-
[4,3-c]-quinoline-2-carboxamide (Q-11).
Details of the Invention
For descriptive purposes, Q-1, where Ra and Rb are H, is used as a representative value of Q in the discussion that follows and is referred to by the following numbering system:
Compounds of Formula I can be prepared by the reaction of aryl isocyanates of Formula II and substituted 3,3a,4,5-tetrahydro-2H-pyrazolo- [4,3-c]quinolines of Formula III as shown in Scheme I. Typical reactions involve the combination of equimolar amounts of II and III in aprotic organic solvents including ether, ethyl acetate,
tetrahydrofuran, or dichloromethane. The temperature at which the reaction is run can be between -20°C and 80°C, with preferred temperatures being in the range of about -10°C to 40°C.
Scheme 1
II III
Z=R6 or R16 Tetrahydropyrazoloquinolines of Formula III can be prepared by acid hydrolysis of their
phosphorylated derivatives of Formula IV, as shown in Scheme 2.
Scheme 2
1
IV: Z = R6 or R16
R17= Me or Et
The reaction of Scheme 2 is generally carried out by contacting the substrate with one to three equivalents of a strong acid such as HCl or p-toluene sulfonic acid, optionally containing some water, in a solvent such as ethanol or dioxane for 1 to 72 hours at 50°C to 100°C. The initial product of the
reaction is a salt of III which can either be
neutralized and extracted into an organic solvent for use in the reaction of Scheme 1, or used in that reaction directly in the presence of one to two equivalents of a suitable organic or inorganic base.
An alternate method for preparing compounds of Formula IV which are not suited to the reaction conditions described above is to exchange one bridgehead N-substituent for another, as outlined in Scheme 3.
Scheme 3
C R
IV: Z=protecting group IV: Z= H
IV Z = R6 or R1 6 In reaction (A) of Scheme 3, a compound of Formula IV wherein the Z substituent is a suitable protecting group, such as i-butyloxycarbonyl, benzyl, or trifluoroacetyl, can be deprotected by reaction conditions suited to the particular protecting group, such as acidic, hydrogenolytic, or basic conditions, respectively. Such protecting groups and methods for their removal are well-known to one skilled in the art.
In reaction (B) of Scheme 3, the deprotected compound of Formula IV is typically combined with one equivalent of an alkylating agent corresponding to the desired Z substituent in an inert solvent such as dimethylformamide or tetrahydrofuran in the presence of one equivalent of a strong base such as sodium hydride at a temperature of between 0°C and 80°C for 0.1 to 24 hours. The product can be isolated by concentration, dilution with water, extraction into an organic solvent such as ether, and concentration. The product can be purified by crystallization or chromatography on silica gel, or it may be carried along as such to the following reaction.
The compounds of Formula IV are produced by the cyclization reaction of an olefinic phosphoryl- hydrazone of Formula V induced by the combination of a mild base such as triethylamine and a mild
halogenating agent such as N-bromosuccinimide, as shown in Scheme 4. Scheme 4
Z=R6 or R1 6
R1 7=Me or Et
In the reaction of Scheme 4, the hydrazone of Formula V is typically dissolved in an inert,
anhydrous solvent in the presence of one of the base/haloimide components at -20 to 50° and the other component is added gradually. The product can be isolated by washing the reaction mixture with water, evaporating the solvent, and either recrystallizing or chromatographing to remove by-products.
The synthesis of compounds of Formula V can be accomplished by condensing an aldehyde of Formula VI with diethyl or dimethyl phosphorohydrazidate VII, as shown in Scheme 5. Scheme 5
VI VII
Z=R6 or R16 R17 = Me or Et
The reaction of Scheme 5 can be conducted by contacting aldehyde VI and compound VII in an inert solvent such as dichloromethane for 0.1 to 16 hours, optionally in the presence of a catalytic (0.1 to 10%) amount of an acid such as acetic or p-toluene sulfonic, and optionally in the presence of an inorganic drying agent such as anhydrous magnesium sulfate. The product can be isolated by washing out excess VII with water and concentrating the dried solution. It can be purified, if desired, by
recrystallization or chromatography.
Compounds of Formula VI can be prepared by reacting, for example, an N-sulfonyl or N-benzyl anthranilic aldehyde of Formula VIII with alkylating agents of Formula IX, wherein L is a suitable
leaving-group, such as Cl, Br, I, OSO2CH3, or OSO2Ar, as shown in Scheme 6. Scheme 6
VIII IX
Z = R6 or R1 6 L = halo, OSO2Me, etc.
The reaction of Scheme 6 is typically carried out by combining equimolar quantities of VIII and IX in a suitable solvent for alkylation reactions, such as dimethylformamide (DMF) in the presence of
slightly more than one equivalent of a suitable base, such as anhydrous potassium carbonate, and stirring vigorously at a temperature between 0° and 100°C.
The product is generally isolated by diluting the mixture with water and filtering the precipitated product or extracting into a solvent such as ether. Recrystallization or chromatography affords the pure product. Compounds of Formula VIII are recognized by those skilled in the art as being obtainable from substituted anilines or heterocyclic amines by known methods. Compounds of Formula IX are either known or are readily available from olefins or allylic
alcohols by known methods. In those cases where an R6 or R16 substituent would not be compatible with the reaction conditions prescribed in Schemes 2, 3, 4, 5, or 6, a strategy outlined in Scheme 7 can be employed.
Scheme 7
I I
( PG = protecting group) ( R1 6 is H)
( B) I ( R1 6 is H) I ( neit her R6 nor
R1 6 is H)
In reaction A of Scheme 7, a compound of Formula I wherein the R6 or R16 substituent is replaced by a suitable protecting group, such as benzyloxycarbonyl, benzyl, trichloroethoxycarbonyl, trichloroacetyl, and the like, can be deprotected by conditions suited to that protecting group. Such protecting groups and methods for their removal are well known to one skilled in the art.
In reaction B of Scheme 7, the deprotected compound of Formula I is typically combined with an electrophilic species (E) corresponding to the desired R6 or R16 substituent (acyl halide or anhydride, alkyl chloroformate, carbamoyl halide, chlorophosphate, etc.) optionally in the presence of an acid-binding agent in an inert solvent such as dichloromethane, and the product of Formula I is isolated by washing with water, concentration, and crystallization or chromatography.
Using the methods described for Q=Q-1, the compounds of Formula I for which Q=Q-2 to Q-11 can also be prepared. Methods for preparing
intermediates for Q-9 and Q-10 can be found in the following references: J. Am. Chem. Soc., 100, 7600 (1978), J. Org. Chem., 50, 2066 (1985), and
J. Het. Chem., 23 , 1645 (1986).
The following Examples further illustrate the invention. EXAMPLE 1
Methyl 3,3a,4,5-tetrahydro-5(methylsulfonyl)-7- (trifluoromethyl)-2([4-(trifluoromethyl)phenyl- amino]carbonyl)2H-pyrazolo[4,3-c]quinoline-3a- carboxylate
Step A: Methyl 2-(methylsulfonylamino)-4-(trifluoro- methyl)benzoate
To a solution of 5.2 g of methyl 4-(trifluoro- methyl) anthranilate in 15 mL of pyridine was added 3.5 mL of methanesulfonyl chloride. After allowing the mixture to stand overnight, it was diluted with ice-water and acidified with aqueous HCl. The
resulting crystalline product was filtered, washed with water, suction-dried, and chromatographed to provide 4.4 g of product.
1H NMR (CDCl3) 8 3.1 (s, 3H), 4.0 (s, 3H), 7.4 (m, 1H), 8.0 (d, 1H), 8.2 (d, 1H), 10.6 (br s, 1H). Step B: 2-(methylsulfonylamino)-4-(trifluoro- methyl)benzaldehyde
The product (4.4 g) from Step A was dissolved in 50 mL of tetrahydrofuran at (THF) 0°C and 20 mL of 1 M LiAlH4 in THF was added dropwise. After being stirred at 25°C for 0.5 hours, 30 mL of IN HCl was added dropwise. After extraction with ethyl acetate, drying with MgSO4, and removal of solvent under vacuum, the product was dissolved in a 100 mL of dichloromethane and stirred with 15 g of activated manganese dioxide at 40°C for 2.5 hours. The MnO2 was filtered off using Celite® and the filtrate was concentrated and triturated with hexanes to provide 2.1 g of a white solid.
1H NMR (CDCI3) δ 3.16 (s, 3H), 7.5 (d, 1H), 7.87
(d, 1H), 8.0 (s, 1H), 10.0 (s, 1H), 10.7 (br s, 1H).
Step C: Methyl 2-(N-[2-formyl-5(trifluoromethyl)- phenyl]-N-(methylsulfonyl)aminomethyl)- 2-propenoate
To a solution of the product from Step B in 10 mL of dimethylformamide (DMF) was added 1.2 g of potassium carbonate and 1.6 g of methyl 2-brom ethyl- acrylate. After being stirred vigorously for hours at 25°C, the mixture was diluted with aqueous HCl and the resulting product was filtered, washed with water, and suction-dried to provide 2.5 g of a solid; mp 110°C to 112°C.
1H NMR (CDCl3) δ 3.09 (S, 3H), 3.70 (s, 3H), 4.59 (s, 2H), 5.75 (s, 1H), 6.30 (s, 1H), 7.58 (s, 1H), 7.72 (d, 1H), 8.05 (d, 1H), 10.25 (s, 1H). Step D: Methyl 3,3a,4,5-tetrahydro-5-(methylsulfonyl)-7-trifluoromethyl)-2-([4-trifluoromethyl)phenylamino]carbonyl)2H- pyrazolo[4,3-c]quinoline-3a-carboxylate A mixture of 2.4 g of the product from Step C, 1.2 g of diethylphosphonohydrazidate, and 1 g of anhydrous magnesium sulfate in 50 mL of
dichloromethane was stirred for 2 hours at 25°C.
After filtration of the drying agent, washing the solution with water, drying with MgSO4, filtration, and removal of solvent under vacuum, 3.8 g of an oil was obtained. This was dissolved in 150 mL of ether containing 2 mL of triethylamine, cooled to 0°C, and 2.2 g of N-bromosuccinimide was added over a period of 20 minutes. The mixture was allowed to warm to
25°C, and was then washed with water and brine, dried with MgSO4, and concentrated under vacuum. After chromatographing the residue on silica gel eluting with a gradient of ethyl acetate in hexanes, the purified cyclization product was heated in 100 mL of methanol containing 2.2 g of p-toluenesulfonic acid monohydrate at 65°C for 16 hours. The methanol was removed under vacuum, the residue was stirred with a mixture of ether and aqueous NaHCO3, the ether extract was washed with brine and dried with MgSO4. To the dried extract was added 1.3 g of 4-trifluoromethylphenyl isocyanate and the ether was removed under vacuum. The residue was triturated with a small volume of ether to provide 0.6 g of the final product; mp 221°C to 223°C.
1H NMR (CDCl3) δ 3.15 (s, 3H), 3.62 (d, 1H), 3.79 (s, 3H), 3.85 (d, 1H), 4.65 (d, 1H), 5.21 (d, 1H), 7.41 (d, 1H), 7.61 (ABq, 4H), 8.05 (m, 3H).
EXAMPLE 2
7-Chloro-3,3a,4,5-tetrahydro-3a,5-dimethyl-N[4- (trifluoromethyl)phenyl]-2H-pyrazolo-[4,3-c]- quinoline-2-carboxamide
Step A: 4-Chloro-2-([(1,1-dimethylethoxy)carbonyl] amino)benzoic acid
A mixture of 110 ml of 1N NaOH, 17.2 g of
2-amino-4-chlorobenzoic acid, and 75 ml of t-butyl alcohol was stirred at room temperature, and 24.0 g of di-t-butyldicarbonate was added dropwise. This mixture was stirred for 16 hours and then the mixture was extracted twice with 25 ml of hexanes. The organic extract was washed with three 20-ml portions of saturated aqueous NaHCO3. The aqueous extracts were combined with the reaction mixture and cooled to 0-5°C. This mixture was acidified with 1N KHSO4 solution to pH 2 and extracted with three 300 ml portions of ether.
The ether extracts were washed with IN NaOH, dried over MgSO4, and concentrated. The resultant solid was dried under vacuum to provide 20.1 g of a creamy white solid.
IR (mineral oil): 1740, 1675 cm-1.
1H NMR (acetone-d6) : δ 1.54 (s, 9H), 7.08 (m, 1H),
8.10 (d, 1H), 8.58 (d, 1H) (NH and CO2H offscale).
Step B: 1,1-Dimethylethyl[5-chloro-2(hydroxymethyl)- phenyl]carbamate
The title compound from Step A, 14.65 g, was suspended in 400 ml of CH2Cl2. Diisobutylaluminum hydride (18 ml of a IN solution in hexanes) was then slowly added to this suspension, producing a clear yellow solution. This solution was cooled to 0-5°C, and an additional 208 ml of the aluminum reagent was added dropwise. The reaction mixture was then stirred for 16 hours at room temperature, quenched with 10 ml of methyl alcohol, and diluted with 600 ml of CH2Cl2. This solution was washed twice with 500 ml of IN aqueous KHSO4, three times with 500 ml of H2O, and once with brine. The cloudy organic layer was dried over MgSO4, filtered through Celite, and concentrated to 5 g of a yellow oil. Chromatography on silica gel afforded 3.26 g of the title product as a yellow oil.
1H NMR (CDCl3): δ 1.50 (s, 9H), 2.82 (t, OH),
4.57 (d, 2H), 6.89-7.02 (m, 2H), 7.83 (s, 1H), 7.96 (s, 1H).
Step C: 1,1-Dimethylethyl (5-chloro-2-formylphenyl)- carbamate
The title compound of Step B, 3.26 g, was dissolved in 120 ml of CH2Cl2 and treated with 8.20 g of MnO2. This mixture was heated at reflux for 4 hours, cooled to room temperature, and filtered through Celite. The organic solution was
concentrated under vacuum to provide the title product as an oil, 2.72 g. 1H NMR (CDCl3): δ 1.56 (s, 9H), 7.10 (dd, 1H),
7.55 (d, 1H), 8.56 (d, 1H), 9.90 (s, 1H), 10.52 (br s, 1H).
Step D: 1,1-Dimethylethyl (5-chloro-2-formylphenyl)
(2-methyl-2-propenyl)carbamate
A solution of 1.36 g of the title compound of Step C in 10 ml DMF was treated with 0.24 g NaH (60% dispersion in mineral oil) in small portions. To this solution was added 1.01 g of 1-bromo-2-methyl-2- propene. After 2 hours at room temperature , the reaction mixture was poured over ice, and the
resultant mixture was extracted with ether. The ether extract was washed twice with water and with brine, dried over MgSO4, and concentrated.
Chromatography on silica provided the title product as an oil, 0.88 g.
1H NMR (CDCl3): δ 1.40 (s, 9H), 1.77 (s, 3H),
4.21 (S, 2H), 4.80 (s, 1H), 4.90 (s, 1H), 7.24-7.46 (m, 2H),
7.85 (d, 1H), 10.03 (s, 1H). Step E: 1,1-Dimethylethyl 7-chloro-2-(diethoxyphos- phinyl)-3,3a,4,5-tetrahydro-3a-methyl-2H- pyrazolo[4,3-c]quinoline-5-carboxylate
To a solution of 0.57 g of diethyl
phosphorohydrazidate and 3 drops of glacial acetic acid in 10 ml of ether was added a solution of 0.88 g of the title compound of Step D in 10 ml of ether. This solution was stirred at 0-5°C for 30 minutes and diluted with 20 ml of ether. This solution was washed with saturated aqueous NaHCO3, water, and brine. The ether extract was then dried over MgSO4 and concentrated under vacuum to afford 1.15 g of the intermediate hydrazone as a yellow oil. This
material and 0.18 g of triethylamine in 20 ml of ether was stirred at 0°C, and 0.23 g of
N-bromosuccinimide was added in portions. This mixture was diluted with 30 ml of ether after 20 minutes and washed with saturated aqueous NaHCO3, water, and brine. The ether extract was dried over MgSO4 and concentrated. Chromatography on silica provided 0.39 g of the title compound as yellow oil, 1H NMR (CDCl3): δ 1.25 (s, 3H), 1.33 (t, 6H),
1.52 (s, 9H), 3.3 (d, 1H), 3.5 (d, 1H), 3.8 (d, 1H)
4.2 (m, 4H), 4.6 (d, 1H),
7.2-7.5 (m, 2H), 7.85 (d, 1H).
Step F: Diethyl (7-chloro-3,3a,4,5-tetrahydro-3a- methyl-2H-pyrazolo[4,3-c]quinolin-2-yl)- phosphonate
A mixture of 0.81 g of the title compound of
Step E and 3.5 g of trifluoroacetic acid in 20 ml of CH2Cl2 was stirred at room temperature for three hours. This mixture was poured over ice, and saturated aqueous NaHCO3 was added to obtain a pH of 9-10. The layers were separated, and the organic phase was washed with water and brine. The organic layer was dried over MgSO4 and concentrated.
Chromatography on silica provided 0.51 g of the title compound as a brown foam.
1H NMR (CDCl3): δ 1.30 (s, 3H), 1.33 (m, 6H),
3.3-3.4 (m, 2H), 3.5 (d, 1H), 3.7 (d, 1H), 4.2 (m, 5H),
6.55-6.70 (m, 2H), 7.65 (d, 1H).
Step G: Diethyl (7-chloro-3,3a,4,5-tetrahydro-3a,5- dimethyl-2H-pyrazolo[4,3-c]quinolin-2-yl)- phosphonate
To a solution of 0.51 g of the title compound of Step F in 10 ml of DMF was added 0.09 g of NaH (60% dispersion) in mineral oil. After 1 hour, this mixture was cooled to 0°C, and 0.43 g of iodomethane was added. The mixture was then stirred at room temperature for 1 hour and poured over ice. This mixture was extracted with ether, and the ether extracts were washed with water four times and once with brine. The organic phase was dried over MgSO4 and concentrated. Chromatography on silica provided 0.33 g of the title compound as yellow crystals. 1H NMR (CDCl3): δ 1.32 (s, 3H), 1.35 (m, 6H),
2.96 (s, 3H), 3.25 (d, 1H), 3.5 (m, 2H), 3.76 (d, 1H), 4.2 (m, 4H), 6.58-6.70 (m, 2H), 7.68 (d, 1H).
Step H: 7-Chloro-3,3a,4,5-tetrahydro-3a,5-dimethyl- N-[4-(trifluoromethyl)phenyl)-2H-pyrazolo- [4,3-c]quinoline-2-carboxamide
A solution of 0.33 g of the title compound of Step G in 15 ml of ethanol and 0.77 ml of
concentrated HCl was heated at reflux for 2 hours. This mixture was concentrated, and the residue was triturated with ether and hexane. Filtration provided 0.24 g of a solid which was then suspended in 8 ml of CH2Cl2 and treated with 1.3 ml of saturated aqueous NaHCO3 and 0.15 g of
p-(trifluoromethyl)phenylisocyanate. This mixture was stirred for 16 hours, diluted with CH2Cl2, and washed with H2O and brine.
The organic phase was dried over MgSO4 and concentrated to give a solid. Trituration with ether/hexane and filtration afforded 0.36 g of a compound of this invention as a light yellow powder, mp 149°C to 153°C.
1H NMR (DMSO): δ 1.24 (s, 3H), 2.97 (s, 3H),
3.44 (d, 1H), 3.54 (d, 1H), 3.63 (d, 1H), 3.90 (d, 1H), 6.81 (s, 1H), 7.62-7.67 (m, 3H),
7.8 (d, 1H), 7.89 (d, 2H), 9.32 (s, 1H).
EXAMPLE 3
7-Chloro-3,3a,4,5-tetrahydro-5-benzyl-3a-methyl- N-[4-(trifluoromethyl)phenyl]-2H-pyrazolo- [4,3-clquinoline-2-carboxamide
Step A: 2- (Benzyl) amino-4-chlorobenzoic acid
A mixture of 8.25 g of 2-amino-4-chlorobenzoic acid, 24 mL of benzaldehyde, 7.38 g of sodium acetate and 38 mL of acetic acid in 300 mL of a 70:30
ethanol/water solution was stirred rapidly at 0-5°C. Sodium borohydride, 5.0 g, was added in small
portions, maintaining the temperature below 5°C.
This mixture was neutralized with about 300 mL of saturated aqueous NaHCO3, and this mixture was extracted with two 500 mL portions of ethyl acetate. The combined organic extracts were washed with water and brine, dried over MgSO4 and concentrated. The resultant solid was triturated with hexanes and filtered, washing with hexanes. The light yellow powder, dried in air, weighed 8.23 g (mp 167-170°C). 1H NMR (CDCl3): δ 4.45 (s, 2H), 6.56-6.65 (m, 2H),
7.28-7.45 (m, 6H), 7.91 (d, 1H),
8.10 (br s, 1H). Step B : N-[5-Chloro-2-(hydroxymethyl)phenyl]
benzylamine
The title compound from Step A, 3.00 g, was stirred in 120 mL of dry tetrahydrofuran at 0°C, and a 1.0 mL ether solution of lithium aluminum hydride was added dropwise. This mixture was stirred at 0°C for 30 minutes and at room temperature for 15
minutes. A few drops of methanol were added to quench excess hydride, then this mixture was diluted with ether. The ether solution was washed with water and brine, dried over MgSO4, and concentrated under vacuum to afford 2.74 g of a yellow oil.
1H NMR (CDCl3): 8 1.64 (br S, 1H), 4.34 (s, 2H),
4.64 (s, 2H), 5.30 (br s, 1H), 6.61 (m, 2H), 6.97 (d, 1H), 7.20-7.40 (m, 5H). Step C: 2-[N-(Benzyl)amino]-4-chlorobenzaldehyde
The title compound of Step B, 2.98 g, was submitted to the reaction conditions of Example 2, Step C to provide 2.81 g of a yellow oil.
Purification by silica gel chromatography provided the title compound as an oil, 2.40 g.
1H NMR (CDCl3): δ 4.43 (d, 2H), 6.60-6.70 (m, 2H),
7.20-7.45 (m, 6H), 8.84 (br s, 1H), 9.80 (s, 1H).
Step D: 2-(N-[Benzyl]-N-[2-methyl-2-propenyl]amino)- 4-chlorobenzaldehyde
The title compound of Step C, 2.74 g, was submitted to the reaction conditions of Example 2, Step D. Silica gel chromatography afforded 1.01 g of the title compound as an oil.
1H NMR (CDCl3): 8 1.72 (s, 3H), 3.68 (s, 2H),
4.35 (s, 2H), 4.94 (br s, 2H), 6.76-7.46 (m, 7H), 7.73 (d, 1H), 10.36 (s, 1H).
Step E: 5-Benzyl-7-chloro-3,3a,4,5-tetrahydro-3a- methyl-N-[4-(trifluoromethyl)phenyl]-2H- pyrazolo[4,3-c]quinoline-2-carboxamide
The title compound of Step D, 1.01 g, was submitted to the reaction conditions of Example 2, Step E. Silica gel chromatography afforded the purified cyclization intermediate, which was then submitted to the reaction conditions of Example 2, Step H. A compound of this invention was thus obtained as 1.52 g of a tan powder, mp 190.5-193°C. 1H NMR (CDCl3): δ 1.38 (s, 3H), 3.40 (d, 1H),
3.58-3.66 (overlapping d, 2H), 4.02 (d, 1H), 4.54 (s, 2H), 6.73
(m, 2H), 7.20-7.40 (m, 5H), 7.56 (d, 2H), 7.66 (d, 2H), 7.72 (d, 1H), 8.17 (s, 1H). EXAMPLE 4
7-Chloro-3,3a,4,5-tetrahydro-3a-methyl-N-[4-(trifluoromethyl)phenyl]-2H-pyrazolo[4,3-c]quinoline- 2-carboxamide
The title compound of Example 3, Step E, 1.11g, was dissolved in a mixture of 25 mL of
dimethoxyethane, 25 mL of methanol and 2 mL of formic acid. This solution was added, dropwise, to a stirred suspension of 1.0 g of 10% palladium on carbon in 25 mL of 4.4% methanolic formic acid.
After 1 hour, an additional 25 mL of 4.4% methanolic formic acid was added dropwise over 20 minutes. This mixture was filtered through Celite® and washed with ethyl acetate, and the filtrate was concentrated.
The residue was dissolved in ethyl acetate and washed with saturated aqueous NaHCO3, IN NaOH, water, and brine. The organic phase was dried over MgSO4 and concentrated under vacuum. Silica gel chromatography of the residue afforded 0.57 g of a compound of this invention as a light yellow solid, mp 86.5-90°C.
1H NMR (CDCl3): δ 1.38 (s, 3H), 3.36-3.52 (m, 2H),
3.65 (d, 1H), 4.04 (d, 1H), 4.35 (br s, 1H), 6.63 (m, 1H), 6.72 (m, 1H), 7.52-7.70 (m, 5H), 8.19
(s, 1H).
Using the procedures described above, the following compounds can be prepared as exemplified in Tables 1 to 14 in which X=O, Y=H and Ra=Rb=H unless otherwise noted.
J
I
I
1 l
1 1
Formulation and Use
The compounds of this invention will generally be used in formulation with an agriculturally
suitable carrier comprising a liquid or solid diluent or an organic solvent. Useful formulations of the compounds of Formula I can be prepared in
conventional ways. They include dusts, granules, baits, pellets, solutions, suspensions, emulsions, wettable powders, emulsifiable concentrates, dry
flowables and the like. Many of these can be applied directly. Sprayable formulations can be extended in suitable media and used at spray volumes of from
about one to several hundred liters per hectare.
High strength compositions are primarily used as
intermediates for further formulation. The
formulations, broadly, contain from less than about 1% to 99% by weight of active ingredient(s) and at least one of a) about 0.1% to 20% surfactant(s) and b) about 5% to 99% solid or liquid diluent(s). More specifically, they will contain effective amounts of these ingredients in the following approximate
proportions:
Percent by weight
Active
Ingredient Diluent(s) Surfactant(s)
Wettable Powders 25-90 0-74 1-10
Oil Suspensions, 5-50 40-95 0-15
Emulsions, Solutions,
(including Emulsifiable
Concentrates)
Dusts 1-25 70-99 0-5
Granules, Baits 0.01-95 5-99 0-15
and Pellets
High Strength 90-99 0-10 0-2
Compositions Lower or higher levels of active ingredient can, of course, be present depending on the intended use and the physical properties of the compound. Higher ratios of surfactant to active ingredient are sometimes desirable, and are achieved by incorporation into the formulation or by tank mixing.
Typical solid diluents are described in Watkins, et al., "Handbook of Insecticide Dust Diluents and Carriers", 2nd Ed., Dorland Books, Caldwell, New
Jersey. The more absorptive diluents are preferred for wettable powders and the denser ones for dusts. Typical liquid diluents and solvents are described in Marsden, "Solvents Guide," 2nd Ed., Interscience, New York, 1950. Solubility under 0.1% is preferred for suspension concentrates; solution concentrates are preferably stable against phase separation at 0°C.
"McCutcheon's Detergents and Emulsifiers Annual", Allured Publ. Corp., Ridgewόod, New Jersey, as well as Sisely and Wood, "Encyclopedia of Surface Active
Agents", Chemical Publ. Co., Inc., New York, 1964, list surfactants and recommended uses. All formulations can contain minor amounts of additives to reduce foam, caking, corrosion, microbiological growth, etc. Preferably, ingredients should be approved by the U.S. Environmental Protection Agency for the use intended.
The methods of making such compositions are well known. Solutions are prepared by simply mixing the ingredients. Fine solid compositions are made by blending and, usually, grinding as in a hammer or fluid energy mill. Suspensions are prepared by wet milling (see, for example, U.S. 3,060,084). Granules and pellets can be made by spraying the active
material upon preformed granular carriers or by agglomeration techniques. See J. E. Browning,
"Agglomeration", Chemical Engineering. December 4, 1967, pages 147 and following, and "Perry's Chemical Engineer's Handbook", 4th Ed., McGraw-Hill, New York, 1963, pages 8 to 59 and following.
Example A
Emulsifiable Concentrate
methyl-3,3a,4,5-tetrahydro-5-(methylsulfonyl)- 7-(trifluoromethyl)-2-[[[4-(trifluoromethyl)- phenyl]amino]carbonyl]-2H-pyrazolo[4,3-c]- quinoline-3a-carboxylate 20%
blend of oil soluble sulfonates
and polyoxyethylene ethers 10% isophorone 70%
The ingredients are combined and stirred with gentle warming to speed solution. A fine screen filter is included in packaging operation to insure the absence of any extraneous undissolved material in the product.
Example B
Wettable Powder
methyl-3,3a,4,5-tetrahydro-5-(methylsulfonyl)- 7-(trifluoromethyl)-2-[[[4-(trifluoromethyl)- phenyl]amino]carbonyl]-2H-pyrazolo[4,3-c]- quinoline-3a-carboxylate 30%
sodium alkylnaphthalenesulfonate 2% sodium ligninsulfonate 2% synthetic amorphous silica 3% kaolinite 63%
The active ingredient is mixed with the inert materials in a blender. After grinding in a hammer- mill, the material is re-blended and sifted through a 50 mesh screen. Example C
Dust
Wettable powder of Example B 10%
pyrophyllite (powder) 90%
The wettable powder and the pyrophyllite diluent are thoroughly blended and then packaged. The product is suitable for use as a dust.
Example D
Granule
methyl-3,3a,4,5-tetrahydro-5-(methylsulfonyl)- 7-(trifluoromethyl)-2-[[[4-(trifluoromethyl)- phenyl]amino]carbonyl]-2H-pyrazolo[4,3-c]- quinoline-3a-carboxylate 10%
attapulgite granules (low volative
matter, 0.71/0.30 mm; U.S.S. No.
25-50 sieves) 90% The active ingredient is dissolved in a volatile solvent such as acetone and sprayed upon dedusted and pre-warmed attapulgite granules in a double cone blender. The acetone is then driven off by heating. The granules are then allowed to cool and are packaged.
Example E
Granule
Wettable powder of Example B 15%
gypsum 69%
potassium sulfate 16%
The ingredients are blended in a rotating mixer and water sprayed on to accomplish granulation. When most of the material has reached the desired range of 0.1 to 0.42 mm (U.S.S. No. 18 to 40 sieves), the granules are removed, dried, and screened. Oversize material is crushed to produce additional material in the desired range. These granules contain 4.5% active ingredient.
Example F
Solution
methyl-3,3a,4,5-tetrahydro-5-(methylsulfonyl)- 7-(trifluoromethyl)-2-[[[4-(trifluoromethyl)- phenyl]amino]carbonyl]-2H-pyrazolo[4,3-c]- quinoline-3a-carboxylate 25%
N-methyl-pyrrolidone 75%
The ingredients are combined and stirred to produce a solution suitable for direct, low volume application.
Example G
Aqueous Suspension
methyl-3,3a,4,5-tetrahydro-5-(methylsulfonyl)- 7-(trifluoromethyl)-2-[[[4-(trifluoromethyl)- phenyl]amino]carbonyl]-2H-pyrazolo[4,3-c]- quinoline-3a-carboxylate 40%
polyacrylic acid thickener 0.3% dodecyclophenol polyethylene glycol
ether 0.5% disodium phosphate 1.0% monosodium phosphate 0.5% polyvinyl alcohol 1.0% water 56.7% The ingredients are blended and ground together in a sand mill to produce particles substantially all under 5 microns in size. Example H
Oil Suspension
7-chloro-3,3a,4,5-tetrahydro-3a-methyl-5- (methylsulfonyl)-N-[4-(trifluoromethyl)- phenyl]-2H-pyrazolo[4,3-c]quinoline-2-carboxamide 35%
blend of polyalcohol carboxylic 6.0% esters and oil soluble petroleum
sulfonates
xylene range solvent 59.0%
The ingredients are combined and ground together in a sand mill to produce particles substantially all below 5 microns. The product can be used directly, extended with oils, or emulsified in water.
Example I
Bait Granules
methyl-3,3a,4,5-tetrahydro-5-(methylsulfonyl)- 7-(trifluoromethyl)-2-[[[4-(trifluoromethyl)- phenyl]amino]carbonyl]-2H-pyrazolo[4,3-c]- quinoline-3a-carboxylate 3.0% blend of polyethoxylated nonyl- 9.0% phenols and sodium dodecyl- benzene sulfonates
ground up corn cobs 88.0%
The active ingredient and surfactant blend are dissolved in a suitable solvent such as acetone and sprayed onto the ground corn cobs. The granules are then dried and packaged.
Compounds of Formula I can also be mixed with one or more other arthropodicides, fungicides, nematocides, bactericides, acaricides, or other biologically active compounds to form a
multi-component pesticide giving an even broader spectrum of effective agricultural protection.
Examples of other agricultural protectants with which compounds of this invention can be formulated are:
Arthropodicides:
3-hydroxy-N-methylcrotonamide(dimethylphosphate)ester (monocrotophos)
methylcarbamic acid, ester with 2,3-dihydro-2,2- dimethyl-7-benzofuranol (carbofuran)
O-[2,4,5-trichloro-α-(chloromethyl)benzyl]phosρhoric acid, O',O'-dimethyl ester (tetrachlorvinphos)
2-mercaptosuccinic acid, diethyl ester, S-ester with thionophosphoric acid, dimethyl ester (malathion) phosphorothioic acid, O,O-dimethyl, O-p-nitrophenyl ester (methyl parathion)
methylcarbamic acid, ester with α-naphthol (carbaryl) methyl O-(methylcarbamoyl)thiolacetohydroxamate
(methomyl)
N'-(4-chloro-o-tolyl)-N,N-dimethylformamidine
(chlordimeform)
O,O-diethyl-O-(2-isopropyl-4-methyl-6-pyrimidylphos- phorothioate (diazinon)
octachlorocamphene (toxaphene)
O-ethyl O-p-nitrophenyl phenylphosphonothioate (EPN) (S)-α-cyano-m-phenoxybenzyl(1R,3R)-3-(2,2-dibromovinyl) -2,2-dimethylcyclopropanecarboxylate (deltamethrin) Methyl-N',N'-dimethyl-N-[(methylcarbamoyl)oxy]-1- thioox amimidate (oxamyl)
cyano(3-phenoxyphenyl)-methyl-4-chloro-a-(1-methyl- ethyl)benzeneacetate (fenvalerate)
(3-phenoxyphenyl)methyl(±)-cis,trans-3-(2,2-dichloro ethenyl)-2,2-dimethylcyclopropanecarboxylate (permethrin) α-cyano-3-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2- dimethylcyclopropane carboxylate (cypermethrin)
O-ethyl-S-(p-chlorophenyl)ethylphosphonodithioate
(profenofos)
phosphorothiolothionic acid,
O-ethyl-O-[4-(methylthio)-phenyl]-S-n-propyl ester
(sulprofos).
Additional arthropodicides are listed hereafter by their common names: triflumuron, diflubenzuron, methoprene, buprofezin, thiodicarb, acephate, azinphosmethyl, chlorpyrifos, dimethoate, fonophos, isofenphos, methidathion, methamidiphos, monocrotphos, phosmet, phosphamidon, phosalone, pirimicarb, phorate,
terbufos, trichlorfon, methoxychlor, bifenthrin, biphenate, cyfluthrin, fenpropathrin, fluvalinate, flucythrinate, tralomethrin, metal- dehyde and
rotenone.
Fungicides:
methyl 2-benzimidazolecarbamate (carbendazim)
tetramethylthiuram disulfide (thiuram)
n-dodecylguanidine acetate (dodine)
manganese ethylenebisdithiocarbamate (maneb)
1,4-dichloro-2,5-dimethoxybenzene (chloroneb)
methyl 1-(butylcarbamoyl)-2-benzimidazolecarbamate
(benomyl)
1-[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2- ylmethyl]-1H-1,2,4-triazole (propiconazole)
2-cyano-N-ethylcarbamoyl-2-methoxyiminoacetamide
(cymoxanil)
1-(4-chlorophenoxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1- yl)-2-butanone (triadimefon) N-(trichloromethylthio)tetrahydrophthalimide (captan) N-(trichloromethylthio)phthalimide (folpet)
1-[[[bis(4-fluorophenyl)][methyl]silyl]methyl]-1H- 1,2,4-triazole.
Nematocides:
S-methyl 1-(dimethyIcarbamoyl)-N-(methyIcarbamoyloxy)- thioformimidate
S-methyl 1-carbamoyl-N-(methylcarbamoyloxy) thioformimidate
N-isopropylphosphoramidic acid, O-ethyl
O'-[4-(methylthio)-m-tolyl]diester (fenamiphos)
Bactericides:
tribasic copper sulfate
streptomycin sulfate Acaricides:
senecioic acid, ester with 2-sec-butyl-4,6-dinitro- phenol (binapacryl)
6-methyl-1,3-cithiolo[4,5-ß]quinoxalin-2-one
(oxythioquinox)
ethyl 4,4'-dichlorobenzilate (chlorobenzilate)
1,1-bis(p-chlorophenyl)-2,2,2-trichloroethanol
(dicofol)
bis(pentachloro-2,4-cyclopentadien-1-yl) (dienochlor) tricyclohexyltin hydroxide (cyhexatin)
trans-5-(4-chlorophenyl)-N-cyclohexyl-4-methyl-2-oxo- thiazolidine-3-carboxamide (hexythiazox)
amitraz
propargite
fenbutatin-oxide Biological
Bacillus thuringiensis
Avermectin B.
Utility
The compounds of this invention exhibit activity against a wide spectrum of foliar and soil inhabiting arthropods which are pests of growing and stored agronomic crops, forestry, greenhouse crops,
ornamentals, nursery crops, stored food and fiber products, livestock, household, and public and animal health. Those skilled in the art will recognize that not all compounds are equally effective against all pests but the compounds of this invention display activity against economically important agronomic, forestry, greenhouse, ornamental food and fiber
product, stored product, domestic structure, and nursery pests, such as: larvae of the order Lepidoptera including fall and beet armyworm and other Spodoptera spp., tobacco budworm, corn earworm and other Heliothis spp., European corn borer, navel orangeworm, stalk/stem borers and other pyralids, cabbage and soybean loopers and other loopers, codling moth, grape berry moth and other tortricids, black cutworm, spotted cutworm, other cutworms and other noctuids, diamondback moth, green cloverworm, velvetbean caterpillar, green cloverworm, pink bollworm, gypsy moth, and spruce budworm; foliar feeding larvae and adults of the order
Coleoptera including Colorado potato beetle, Mexican bean beetle, flea beetle, Japanese beetles, and other leaf beetles, boll weevil, rice water weevil, granary weevil, rice weevil and other weevil pests, and soil inhabiting arthropods such as Western corn rootworm and other Diabrotica spp., Japanese beetle, European chafer and other coleopteran grubs, and wireworms; adults and larvae of the orders Hemiptera and Homoptera including tarnished plant bug and other plant bugs (miridae), aster leafhopper and other leafhoppers (cicadellidae), rice planthopper, brown planthopper, and other planthoppers (fulgoroidea), psylids,
whiteflies (aleurodidae), aphids (aphidae), scales (coccidae and diaspididae), lace bugs (tingidae), stink bugs (pentatomidae), cinch bugs and other seed bugs (lygaeidae), cicadas (cicadidae), spittlebugs (cercopids), squash bugs (coreidae), red bugs and cotton stainers (pyrrhpcoridae); adults and larvae of the order acari (mites) including European red mite, two spotted spider mite, rust mites, McDaniel mite, and foliar feeding mites; adults and immatures of the order Orthoptera including grasshoppers; adults and immatures of the order Diptera including leafminers, midges, fruit flies
(tephritidae), and soil maggots; adults and immatures of the order
Thysanoptera including onion thrips and other foliar feeding thrips.
The compounds are also active against
economically important livestock, household, public and animal health pests such as: arthropod pests of the order Hymenoptera including carpenter ants, bees, hornets, and wasps; arthropod pests of the order Diptera including house flies, stable flies, face flies, horn flies, blow flies, and other muscoid fly pests, horse flies, deer flies and other Brachycera, mosquitoes, black flies, biting midges, sand flies, sciarids, and other Nematocera: arthropod pests of the order Orthoptera including cockroaches and crickets; arthropod pests of the order Isoptera
including the Eastern subterranean termite and other termites; arthropod pests of the order Mallophaga and
Anoplura including the head louse, body louse, chicken head louse and other sucking and chewing parasitic lice that attack man and animals; arthropod pests of the order Siphonoptera including the cat flea, dog flea and other fleas.
The specific species for which control is exemplified are: fall armyworm, Spodoptera
fruigiperda: tobacco budworm, Heliothis virescens: boll weevil, Anthonomus grandis; aster leafhopper, Macrosteles fascifrons: black bean aphid, (Aphis Fabae); southern corn rootworm, Diabrotica
undecimpunctata. The pest control protection afforded by the compounds of the present invention is not limited, however, to these species. The compounds of this invention may also be utilized as rodenticides.
Application
Arthropod pests are controlled and protection of agronomic crops, animal and human health is achieved by applying one or more of the Formula I compounds of this invention, in an effective amount, to the
environment of the pests including the agronomic and/or nonagronomic locus of infestation, to the area to be protected, or directly on the pests to be controlled. Because of the diversity of habitat and behavior of these arthropod pest species, many
different methods of application are employed. A preferred method of application is by spraying with equipment that distributes the compound in the
environment of the pests, on the foliage, animal, person, or premise, in the soil or animal, to the plant part that is infested or needs to be protected. Alternatively, granular formulations of these toxicant compounds can be applied to or incorporated into the soil. Other methods of application can also be employed including direct and residual sprays, aerial sprays, baits, eartags, boluses, foggers, aerosols, and many others. The compounds can be incorporated into baits that are consumed by the arthropods or in devices such as traps and the like which entice them to ingest or otherwise contact the compounds.
The compounds of this invention can be applied in their pure state, but most often application will be of a formulation comprising one or more compounds with suitable carriers, diluents, and surfactants and possibly in combination with a food depending on the contemplated end use. A preferred method of
application involves spraying a water dispersion or refined oil solution of the compounds. Combinations with spray oils, spray oil concentrations, and
synergists such as piperonyl butoxide often enhance the efficacy of the compounds of Formula I.
The rate of application of the Formula I
compounds required for effective control will depend on such factors as the species of arthropod to be controlled, the pest's life cycle, life stage, its size, location, time of year, host crop or animal, feeding behavior, mating behavior, ambient moisture, temperature, etc. In general, application rates of 0.01 to 2 kg of active ingredient per hectare are sufficient to provide large-scale effective control of pests in agronomic ecosystems under normal
circumstances, but as little as 0.001 kg/hectare 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 about 0.1 mg/square meter or as much as 150 mg/square meter may be required.
The following tests demonstrate the control efficacy of compounds of Formula I on specific pests; see Index Table A for compound descriptions.
TEST A
Fall Armyworm
Test units, each consisting of an 8-ounce plastic cup containing a layer of wheat germ diet, approximately 0.5 cm thick, were prepared. Ten third-instar larvae of fall armyworm (Spodoptera frugiperda) were placed into each cup. Solutions of each of the test compounds (acetone/distilled water 75/25 solvent) were sprayed onto the cups, a single solution per set of three cups. Spraying was
accomplished by passing the cups, on a conveyer belt, directly beneath a flat fan hydraulic nozzle which discharged the spray at a rate of 0.5 pounds of active ingredient per acre (about 0.55 kg/ha) at 30 p.s.i. The cups were then covered and held at 27°C and 50% relative humidity for 72 hours, after which time readings were taken. Of the compounds tested, the following resulted in greater than or equal to 80% mortality: 1, 3, 4, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16 and 17.
TEST B
Tobacco Budworm
The test procedure of Test A was repeated for efficacy against third-instar larvae of the tobacco budworm (Heliothis virescens) except that mortality was assessed at 48 hours. Of the compounds tested, the following resulted in greater than or equal to 80% mortality: 1, 3, 4, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 17. TEST C
Southern Corn Rootworm
Test units, each consisting of an 8-ounce plastic cup containing 1 sprouted corn seed, were prepared. Sets of three test units were sprayed as described in Test A with individual solutions of the test compounds. After the spray on the cups had dried, five third-instar larvae of the southern corn rootworm (Diabrotica undecimounctata howardi) were placed into each cup. A moistened dental wick was inserted into each cup to prevent drying and the cups were then covered. The cups were then held at 27°C and 50% relative humidity for 48 hours, after which time mortality readings were taken. Of the compounds tested, the following resulted in greater than or equal to 80% mortality: 1, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 17.
TEST D
Boll Weevil
Five adult boll weevils (Anthonomus grandis) were placed into each of a series of 9-ounce cups. The test procedure employed was then otherwise the same as in Test A. Mortality readings were taken 48 hours after treatment. Of the compounds tested, the following resulted in greater than or equal to 80% mortality: 1, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17.
TEST E
Aster Leafhopper
Test units were prepared from a series of 12-ounce cups, each containing oat (Avena sativa) seedlings in a 1-inch layer of sterilized soil. The test units were sprayed as described in Test A with individual solutions of the below-listed compounds. After the oats had dried from the spraying, between 10 and 15 adult aster leafhoppers (Mascrosteles
fascifrons) were aspirated into each of the covered cups. The cups were held at 27°C and 50% relative humidity for 48 hours, after which time mortality readings were taken. Of the compounds tested on aster leafhopper, the following resulted in greater than or equal to 80% mortality: 1, 6, 7, 9, 12, 13, 15 and 17.
TEST F
Two-Spotted Spider Mite
Test units, each consisting of one-inch square sections of kidney bean leaves, were infested with 20 to 30 adult two-spotted spider mites (Tetranychus urticae) and sprayed as described in Test A with individual solutions of the below-listed compounds.
Three test units were sprayed per solution. Sprayed leaf sections were then placed on a layer of moistened cotton in a Petri dish «and held at 27°C and 50%
relative humidity for 48 hours, after which time mortality readings were taken. Of the compounds tested, none resulted in greater than or equal to 80% mortality.

Claims

CLAIMS What is claimed is :
1. A compound of the formula
wherein:
Q is selected from the group
A is selected from the group SO2, C(O) and
CRaRa;
B is selected from the group H, C1-C6 alkyl, C3-C6 cycloalkyl optionally substituted with 1 to 2 halogens or 1 to 2 CH3, C4-C6 cyclo- alkylalkyl, C1-C6 haloalkyl, OR7, C2-C6 alkenyl, C2-C6 alkynyl, C2-C6 alkoxyalkyl, C2-C6 cyanoalkyl, C3-C8 alkoxycarbonylalkyl, CO2R3, C(O)R3, C(O)NR3R4, C(S)NR3R4, C(S)R3, C(S)SR3, phenyl, phenyl substituted with
(R5)p, benzyl, and benzyl substituted with 1 to 3 substituents independently selected from W;
W is selected from the group halogen, CN, NO2, C1-C2 alkyl, C1-C2 haloalkyl, C1-C2 alkoxy,
C1-C2 haloalkoxy, C1-C2 alkylthio, C1-C2 haloalkylthio, C1-C2 alkylsulfonyl, and C1-C2 haloalkylsulfonyl;
R1, R2 and R5 are independently selected from the group R3, halogen, CN, N3, SCN, NO2,
OR3, SR3, SOR3, SO2R3, OC(O)R3, OSO2R3, CO2R3, C(O)R3, C(O)NR3R4, SO2NR3R4, NR3R4, NR4C(O)R3, OC(O)NHR3, NR4C(O)NHR3, and
NR4SO2R3, or when m is 2, (R1)2 when
attached to adjacent carbon atoms can be taken together as -OCH2O-, -OCH2CH2O- or -CH2CH2O- to form a 5- or 6-membered fused ring or when n is 2, (R2)2 when attached to adjacent carbon atoms can be taken together as -OCH2O-, -OCH2CH2O- or -CH2CH2O- to form a 5- or 6-membered fused ring or when p is 2, (R5)2 when attached to adjacent carbon atoms can be taken together as -OCH2O-, -OCH2CH2O- or -CH2CH2O-, each of which can be substituted, independently, by 1 to 4 halogen atoms or 1 to 2 methyl groups;
R3 is selected from the group H, C1-C6 alkyl, C1-C6 haloalkyl, C2-C6 alkenyl, C2-C6 halo- alkenyl, C2-C6 alkynyl, C2-C6 haloalkynyl, C2-C6 alkoxyalkyl, C2-C6 alkylthioalkyl,
C1-C6 nitroalkyl, C2-C6 cyanoalkyl, C3-C8 alkoxycarbonylalkyl, C3-C6 cycloalkyl, C3-C6 halocycloalkyl, phenyl, benzyl, and phenyl or benzyl substituted with 1 to 3
substituents independently selected from W;
R4 is selected from the group H and C1-C4 alkyl or R3 and R4 when attached to the same atom can be taken together as (CH2)4, (CH2)5 or (CH2CH2OCH2CH2);
R6 is selected from the group SR3, SOR3, SO2R3, C(O)R3, CO2R3, C(O)NR3R7, C(S)NR3R7, C(S)R3, C(S)OR3, P(O)(OR3)2, P(S)(OR3)2, P(O)(R3)OR3 and P(O) (R3) (SR7); provided that when R6 is other than COR3, C(O)NR3R7 or C(S)NR3R7 then
R3 is other than H;
R7 is selected from the group H, C1-C4 alkyl, C2-C4 alkenyl, and C2-C4 alkynyl;
Ra and Rb are independently selected from the group H and C1-C3 alkyl;
X is O or S;
n is 1 to 2;
m is 1 to 3;
p is 1 to 3;
Y is selected from the group H, C1-C22 alkyl, C2-C22 alkoxyalkyl, CHO, C2-C22 alkylcarbonyl, C2-C22 alkoxycarbonyl, C2-C22 haloalkylcarbonyl, C1-C22 alkylthio, C1-C22 haloalkylthio, phenylthio, phenylthio substituted with 1 to 3 substituents independently selected from W and S-J;
J is selected from the group
NR8CR9 NR8S(O)tR9,
J1 J2 J3 J4 NR8R12 and SR10;
J5 J6 J7 J8 R8 and R12 are independently selected from the group C1-C6 alkyl, C1-C6 haloalkyl, C3-C6 cycloalkyl, C4-C7 cycloalkylalkyl, phenyl optionally substituted with 1 to 2 substituents selected from W, benzyl optionally substituted with 1 to 2 substituents selected from W, phenethyl optionally substituted with 1 to 2 substituents selected from W, C2-C6 cyanoalkyl, C2-C6 alkoxyalkyl, C3-C8 alkoxycarbonylalkyl and C4-C8 dialkylamino- carbonylalkyl, or R8 and R12 can be taken together as (CH2)4, (CH2)5 or (CH2)2O(CH2)2; R9 is selected from the group F, C1-C22 alkyl, C1-C6 haloalkyl, C1-C22 alkoxy, C2-C8 dialkylamino, piperidinyl, pyrolidinyl, morpholino, C1-C4 haloalkoxy, C1-C4 alkoxy substituted with cyano, nitro, C2-C4 alkoxy, C4-C8
alkoxyalkoxy, C1-C2 alkylthio, C2-C3 alkoxycarbonyl, C3-C5 alkylaminocarbonyl and
phenyl, or R9 is phenyl optionally substituted with 1 to 2 substituents selected from W, or phenoxy optionally substituted with 1 to 2 substituents selected from W;
R10 and R11 are independently selected from the group C1-C4 alkyl, C2-C4 haloalkyl and phenyl optionally substituted with 1 to 2 substituents selected from W, or R10 and R11 can be taken together as (CH2)2, (CH2)3 or
CH2C(CH3)2CH2;
R13 is selected from the group H, F, Cl and CF3; R14 is selected from the group H and F;
R15 is selected from the group C1-C4 alkyl,
CO2CH3, C3-C6 cycloalkyl, C4-C7 cyclo- alkylalkyl, phenyl optionally substituted with F or Cl in the para-position, and benzyl optionally substituted with F or Cl in the para-position;
R16 is selected from the group H, C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 alkenyl, C2-C4 halo- alkenyl, phenyl optionally substituted with
F, Cl, Br, CF3, CH3, OCF3, and benzyl optionally substituted with F, C1, Br, CH3, CF3 or OCF3;
t is O to 2; and
Y1 is O or S;
characterized further in that, when Q is Q-11,
(i) R1 is in the para position and m is 1; (ii) R13 is other than Cl when R15 is
n-propyl and R1 is Cl;
(iii) R16 is other than CH3 or allyl when R13 is Cl, R15 is CO2CH3 and R1 is CF3; (iv) R16 is other than benzyl when R13 is C1,
R15 is CO2CH3 and R1 is OCF3;
(v) Y is selected from the group H, CH3,
C(O)CH3, and CO2CH3;
(vi) Y is selected from the group H and
CO2CH3 when R13 is F or Cl, R1 is CF3 and R16 is CH3;
(vii) R13 and R14 are not simultaneously H;
and
(viii) R1 is selected from the group CF3, OCF3
Cl and Br.
2. A compound according to CLaim 1 wherein: Ra is H;
Rb is H;
B is selected from the group H, C1-C6 alkyl, C1-C6 haloalkyl, C2-C8 alkenyl, C2-C6 alkynyl, C2-C6 alkoxyalkyl, C3-C8 alkoxycarbonylalkyl, CO2R3, C(O)R3, C(O)NR3R4, C(S)NR3R4, C(S)R3, C(S)SR3, phenyl, and phenyl substituted by (R5)p;
R2 is selected from the group R3, halogen, CN,
SCN, NO2, OR3, and SR3;
R3 is selected from the group H, C1-C4 alkyl, C1-C2 haloalkyl, C3-C4 alkenyl, C3-C4 haloalkenyl, propargyl, phenyl, and
benzyl, or phenyl or benzyl substituted with one of F, Cl, Br, CF3, OCF3, OCF2H or NO2;
p is 1 or 2;
m is 1 or 2;
X is O;
Y is selected from the group H, C1-C4 alkyl, SCH3, SCCI3, SO2CH3, SC6H5, 2-NO2-C6H4S, C(O)CH3, C(O)CH2CH3, C(O)CF3; CO2CH3,
CO2CH2CH3, and S-J;
J is J1, J2, J3, J4 or J5;
R8 and R12 are independently selected from the group C1-C6 alkyl, C1-C6 haloalkyl, C5-C6 cycloalkyl, C3-C8 alkoxycarbonylalkyl, phenyl, benzyl, and phenethyl, each
phenyl, benzyl and phenethyl optionally substituted with W, or, R8 and R12 can be taken together as (CH2)4, (CH2)5 or
(CH2)2O(CH2)2; R10 and R11 are independently selected from the group C1-C3 alkyl and phenyl;
t is 2; and
W is selected from the group Cl, F, Br, CN, C F3, C1-C2 alkyl, C1-C2 alkoxy, OCF2H,
OCF3, and NO2.
3. A compound according to Claim 2 wherein:
B is selected from the group H, C1-C4 alkyl,
C3-C4 alkoxycarbonylalkyl, CO2R3, C(O)R3, phenyl and phenyl substituted with (R5)p;
R1 is selected from the group halogen, CN,
SCN, NO2, OR3, SR3, SO2R3, CO2R3, C(O)R3, and R3, with one substituent in the
4-position;
R1 can be taken together as -CH2C(CH3)2O-,
OCH2CH2O-, OCF2CF2O- or -CF2CF2O- to form a 5- or 6-membered fused ring;
R5 is selected from the group H, R3, halogen, CN, SCN, NO2, OR3, SR3, SO2R3, C(O)R3, OSO2R3, CO2R3, C(O)R3, C(O)NR3R4,
SO2NR3R4, and NR3R4;
R3 is selected from the group H, C1-C4 alkyl,
C1-C2 haloalkyl, C3-C4 alkenyl, and
propargyl;
R4 is selected from the group H and CH3;
m and p are independently 1 or 2 and one
substituent is in the para-position;
Y is is selected from the group H, CH3, COCH3,
CO2CH3, and S-J;
J is J1 or J2;
R8 is selected from the group C1-C4 alkyl and phenyl optionally substituted with Cl or
CH3; and R9 is selected from the group C1-C12 alkyl, C1-C12 alkoxy, C1-C6 haloalkyl, dimethyl- amino, phenyl optionally substituted with
Cl and CH3, or, R9 is C1-C4 alkoxy
substituted with C2-C4 alkoxy or 1 to 6 halogens. 4. A compound according to Claim 3 wherein:
R1 is selected from the group Cl, F, Br, CF3,
CN, OCF3, OCF2H, OCF2CF2H, and SCF2H;
R2 and R5 are independently selected from the group H, Cl, F, Br, CN, CF3, CH3, OCF2H, OCF3, SCH3, SCF2H, NO2, and OCH2CF3;
B is selected from the group H, CH3, CH2CH3, CO2CH3, CO2CH2CH3, CO2(CH)(CH3)2, phenyl and phenyl substituted with (R5)p, and; R6 is selected from the group SO2R3, CO2R3 COR3, and CONHR3.
5. A compound according to Claim 4 wherein Q is Q-1.
6. A compound according to Claim 4 wherein
Q is Q-2.
7. A compound according to Claim 4 wherein Q is Q-3.
8. A compound according to Claim 4 wherein Q is Q-4.
9. A compound according to Claim 4 wherein Q is Q-5.
10. A compound according to Claim 4 wherein Q is Q-6.
11. A compound according to Claim 4 wherein
Q is Q-7.
12. A compound according to Claim 4 wherein
Q is Q-8.
13. A compound according to Claim 4 wherein
Q is Q-9.
14. A compound according to Claim 4 wherein
Q is Q-10.
15. A compound according to Claim 4 wherein
Q is Q-11.
16. A compound according to Claim 4:
methyl-3,3a,4,5-tetrahydro-5-(methy1- sulfonyl)-7-(trifluoromethyl)-2-[[[4- (trifluoromethyl)ρhenyl]amino]carbonyl]- 2H-pyrazolo[4,3-c] quinoline-3a- carboxylate (Q-l);
17. A compound according to Claim 4:
7-chloro-3, 3a,4,5-tetrahydro-3a-methyl-5- (methylsulfonyl)-N-[4-(trifluoromethyl)- phenyl]-2H-pyrazolo[4, 3-C]quinoline- 2-carboxamide (Q-1); and
18. A compound according to Claim 4:
7-chloro-3,3a,4,5-tetrahydro-3a,5-dimethyl-
N-4-(trifluoromethyl)phenyl]-2H-pyrazolo- [4,3-c]-quinoline-2-carboxamide (Q-11).
19. An arthropodicidal composition comprising an arthropodicidally effective amount of a compound according to any one of Claims 1 to 18 and a carrier therefor.
20. A method for controlling arthropods comprising applying to the arthropods or to their environment an arthropodicidally effective amount of a compound according to any one of Claims 1 to 18.
EP19910900580 1989-11-27 1990-11-20 Arthropodicidal pyrazolines Withdrawn EP0506709A1 (en)

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WO1991008207A1 (en) 1991-06-13
JPH05501708A (en) 1993-04-02
AU7897391A (en) 1991-06-26

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