CA2294341C - Crystalline forms of antibiotic side chain intermediates - Google Patents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/10—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/16—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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Abstract
Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]-amino]benzoic acid and salts and solvates thereof are disclosed. Three different crystalline types are described.
Description
TITLE OF THE INVENTION
CRYSTALLINE FORMS OF ANTIBIOTIC
SIDE CHAIN INTERMEDIATES
BACKGROUND OF THE INVENTION
Crystalline forms of intermediates for carbapenem antibiotics are desirable from a stability and purity standpoint. These compounds facilitate the synthesis of carbapenem antibiotics on a commercial scale.
In the present invention, crystalline forms of the compound 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]-amino]
benzoic acid have been discovered and characterized. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]-amino]benzoic acid and pharmaceutically acceptable salts and solvates thereof are disclosed.
The compounds can generally be synthesized taking into account the disclosure of U. S. Patent No. 5,478,820 granted on December 26, 1995. This patent does not disclose the side chain in crystalline form.
SUMMARY OF THE INVENTION
Crystalline 2S -cis- 3 - [ [(4-mercapto-2-pyrrolidinyl) carbonyl]-amino]benzoic acid as well as pharmaceutically acceptable salts and solvates thereof are disclosed.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is described in connection with the following drawings, of which:
Figure 1 is an X-Ray Powder Diffraction pattern of Compound I, in unsolvated form;
Figure 2 is an X-Ray Powder Diffraction pattern of Compound I as the 1-butanol solvate, and Figure 3 is an X-Ray Powder Diffraction pattern of Compound I, as the acetic acid solvate.
WO 99/02492 PCTlUS98/14036 DETAILED DESCRIPTION OF THE INVENTION
The compound has the following structural formula:
HS_,,C(O)NH C02H
\
N{ /
P
wherein P represents H or a protecting group.
The salt form of the compound can be protonated as shown in the following:
HS,_/\ ~C(O)NH C02H
~ \
_N +
%
{ /
H- H
X_ wherein X represents a negatively charged counterion. The salt forms can also be present in the form of a solvate.
The crystalline forms of the compound are characterized below by virtue of their X-Ray Powder Diffraction (XRPD) patterns.
The XRPD patterns were collected on a Philips APD 3720 automated powder diffractometer. The x-ray generator employed a copper target, an accelerating potential of 45 kV and a filament emission of 40 mA.
Diffraction patterns were collected from 2 C to 40 C.
The hydrochloride salt of the compound (unsolvated material) was characterized as having an XRPD pattern at 5.5, 5.3, 4.9, 4.3, 4.1, 3.9, 3.8, 3.7, 3.6, 3.3, 3.2, 2.9, 2.6 and 2.3 angstroms. More complete XRPD data pertaining to the compound is shown below in Table 1.
CRYSTALLINE FORMS OF ANTIBIOTIC
SIDE CHAIN INTERMEDIATES
BACKGROUND OF THE INVENTION
Crystalline forms of intermediates for carbapenem antibiotics are desirable from a stability and purity standpoint. These compounds facilitate the synthesis of carbapenem antibiotics on a commercial scale.
In the present invention, crystalline forms of the compound 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]-amino]
benzoic acid have been discovered and characterized. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]-amino]benzoic acid and pharmaceutically acceptable salts and solvates thereof are disclosed.
The compounds can generally be synthesized taking into account the disclosure of U. S. Patent No. 5,478,820 granted on December 26, 1995. This patent does not disclose the side chain in crystalline form.
SUMMARY OF THE INVENTION
Crystalline 2S -cis- 3 - [ [(4-mercapto-2-pyrrolidinyl) carbonyl]-amino]benzoic acid as well as pharmaceutically acceptable salts and solvates thereof are disclosed.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention is described in connection with the following drawings, of which:
Figure 1 is an X-Ray Powder Diffraction pattern of Compound I, in unsolvated form;
Figure 2 is an X-Ray Powder Diffraction pattern of Compound I as the 1-butanol solvate, and Figure 3 is an X-Ray Powder Diffraction pattern of Compound I, as the acetic acid solvate.
WO 99/02492 PCTlUS98/14036 DETAILED DESCRIPTION OF THE INVENTION
The compound has the following structural formula:
HS_,,C(O)NH C02H
\
N{ /
P
wherein P represents H or a protecting group.
The salt form of the compound can be protonated as shown in the following:
HS,_/\ ~C(O)NH C02H
~ \
_N +
%
{ /
H- H
X_ wherein X represents a negatively charged counterion. The salt forms can also be present in the form of a solvate.
The crystalline forms of the compound are characterized below by virtue of their X-Ray Powder Diffraction (XRPD) patterns.
The XRPD patterns were collected on a Philips APD 3720 automated powder diffractometer. The x-ray generator employed a copper target, an accelerating potential of 45 kV and a filament emission of 40 mA.
Diffraction patterns were collected from 2 C to 40 C.
The hydrochloride salt of the compound (unsolvated material) was characterized as having an XRPD pattern at 5.5, 5.3, 4.9, 4.3, 4.1, 3.9, 3.8, 3.7, 3.6, 3.3, 3.2, 2.9, 2.6 and 2.3 angstroms. More complete XRPD data pertaining to the compound is shown below in Table 1.
TAB I
Tip Peak Angle Width Peak Backg D Spac I/Imax Type Sign No. (deg) (de ) (cts) (cts) (Ang) (%) A 1 A2 Ot 1 8.3325 0.48 10. 6. 10.6028 2.34 x x 0.83 2 9.7600 0.1 19. 7. 9.0550 4.43 x x .89 3 12.1375 0.36 10. 8. 7.2861 2.34 x x 1.05 4 14.1525 0.15 17. 9. 6.2529 3.85 x x 0.91 1.1575 0.15 4. 12. 5.4812 10.59 x x 2.09 6 16.6450 0.15 53. 12. 5.3218 12.20 x x 1.02 7 16.8200 0.15 41. 12. 5.2668 9.38 x x 0.91 8 17.6250 0.24 30. 13. 5.0280 6.93 x x 1.26 9 18.2600 0.07 154. 13. 4.8546 35.20 x x 1.38 18.9025 0.18 17. 14. 4.6910 3.85 x x 1.2 11 19.5625 0.12 34. 14. 4.5342 7.70 x x 0.76 12 20.5175 0.09 117. 15 4.3252 26.70 x x 1.07 13 21.6225 0.21 48. 16 4.1066 10.90 x x 2.88 14 22.6875 0.13 437. 17 3.9162 100.00 x x 5. 2 23.4200 0.09 128. 18 3.7954 29.23 x x 0.7 16 23.8750 0.18 96. 18 3.7241 21.99 x x 3.47 17 24.4900 0.12 72. 18 3.6319 16.54 x x 3.02 18 25.0125 0.18 26. 18 3.557 5.95 x x 0.89 19 25.7275 0.18 19 3.459 4.64 x x 0.83 26.6250 0.18 114. 20 .3453 26.21 x x 9 21 26.9725 0.09 2497 20 3.3030 5.43 x x 1.74 22 2 7.9 75 0.07 202. 21 3.1877 46.1 x x 1.32 23 28.5925 0.24 30. 22 3.1194 6.93 x x 1.05 24 30.8400 0.07 196. 24 2.8970 44.87 x x 1.55 32.1275 0.18 38. 24 2.7 38 8.80 x x 1. 2 26 32.6325 0.18 58. 25 2.7419 13. 2 x x 2.04 27 33.925 0.18 174. 2 2.6403 39.89 x x 5.13 28 35.1000 0.18 17. 27 2.554 6 3.85 x x 1.05 29 35.7950 0.24 32. 27 2.5065 7.44 x x 3.16 36.8400 0.36 37. 28 2.4378 8.52 x x 2.4 31 37.3975 0.15 35. 28 2.4027 7 x x 7 32 37.8050 0.15 35. 28 2.3778 7.97 x x 1.15 33 38.5300 0.12 69. 29 2.3347 15.77 x x 1.15 Notes:
Generator settings: 45kV, 40 mA
Cu alphal, 2 wave lengths 1.54060, 1.54439 Ang 5 Step size, sample time 0.015 deg, 0.20 s, 0.075 deg/s Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007-40.002 deg SUBSTITUTE SHEET (RULE 26).
Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007-40.002 deg Range in D spacing 2.25207-43.9723 Ang Peak position criterion Top of smoothed data Cryst peak width range 0.00-2.00 deg Minim peak significance 0.75 Number of peaks in file 33 (alphal: 33, amorphous: 0) Maximum intensity 437. cts, 2184.1 cps The XRPD pattern corresponding to Table I is shown as Figure 1.
The hydrochloride salt 1-butanol solvate was shown to exhibit patterns such as the ERPD pattern shown as Figure 2.
Characteristic D-spacings are 14.6, 7.3, 5.6, 4.9, 4.2, 4.0, 3.9, 3.8, 3.7, 3.6, 3.5, 3.3, 3.0 and 2.9 Ang. More complete XRPD data pertaining to the solvate is shown below in Table 2.
Tip Type Peak Angle Width Peak Back D Spac UImax Sign S
No. (deg) (deg) (cts) (cts) (Ang) ( !o) Al A2 5t 66 5 1 1.84 x x 1. 20 1 3.
2 6.9675 0.07 557 4. 14.554 100.00 x x 5.75 3 9.7950 0.18 10. 5. 9.0227 1.84 x x 0.8 4 11.1825 0.15 14. 6. 7.9061 2.59 x x 1.10 12.0 25 0.09 135. 6. 7.3312 24.16 x x 3.09 6 12.8450 0.12 19. 7. 6.8863 3.48 x x 1.12 7 15.8225 0.07 62. 8. 5.5965 11.21 x x 1.35 8 16.7900 0.30 12. 10. 5.2761 2.08 x x 0.95 9 17. 150 0.07 98. 10. 4.9473 17.60 x x 1.17 18.2525 0.21 119. 11. 4.8566 -21.33 x x 6.46 11 18.7050 0.09 30. 11. 4.7401 5.43 x x 1.29 12 20.5575 0.09 31. 13. 4.3169 5.63 x x 1.3 13 21.3925 0.12 376. 13. 4.1563 67.57 x x 7.08 14 21.9375 0.06 159. 14. 4.0484 28.50 x x 0.81 22.3975 0.12 144. 14. 3.9663 25.85 x x 4.07 16 22.7650 0.06 132. 15. 3.9031 23.74 x x 1.23 17 23.5475 0.07 114. 16. 3.7751 20.56 x x 1.10 18 24.2675 0.06 180. 177.6647 32.24 x x 1.02 19 24.8 75 0. 9 149. 17. 3.5776 26.72 x x 2.04 25.1500 0.06 98. 18. 3.5381 17. 0 x x 0.79 21 25.8000 0.07 108. 18. 3.4504 19.42 x x 1.35 22 26.7525 0.12 159. 18. 3.3297 28.50 x x 1.17 23 27. 75 0.07 77. 1. 3.2551 13.96 x x 0.93 24 28.0575 0.1 37. 20. 3.1777 6.68 x x 1.51 29.0475 0.1 45. 20. 3.0716 8.06 x x 1.41 26 29.5925 0.10 142. 21. 3. 1 3 25.43 x x 2.63 27 30.0575 0.06 117. 22. 2.9706 20.94 x x 0.78 28 30.3500 0.12 58. 22. 2.9427 10.37 x x 0.93 29 30.7375 0.24 117. 23. 2.9065 20.94 x x 7.76 31.3225 0.18 30. 23. 2.8535 5.43 x x 1.38 31 32.0950 0.12 35. 24. 2.7866 6.25 x x 0.87 32 32.8725 0.18 25. 24. 2.7224 4.49 x x 1.07 33 33.4025 0.24 18. 25. 2.6804 3. 2 x x 0.85 34 33.9575 0.24 76. 26. 2.6379 13.59 x x 4.37 34.5225 0.04 42. 26. 2.5960 7.5 x x 0.76 36 34.9 25 0.06 37. 27. 2.5664 6.68 x x 0.7 37 35.4450 0.09 67. 27. 2.5305 12.07 x x 1.45 38 36.2300 0.21 36. 28. 2.4774 6.4 x x 2.88 39 37.3500 0.12 49. 29. 2.4057 8.80 x x 1.38 38.2150 0.12 52. 29. 2.3532 9.31 x x 1.20 SUBSTITUTE SHEET (RULE 26) Notes:
Generator settings: 45kV, 40 mA
Cu alphal, 2 wavelengths 1.54060, 1.54439 Ang Step size, sample time 0.015 deg, 0.20 s, 0.075 deg/s Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007 - 40.002 deg Range in D spacing 2.25207 - 43.9723 Ang Peak position criterion Top of smoothed data Cryst peak width range 0.00-2.00 deg Minim peak significance 0.75 Number of peaks in file 33 (alphal: 33, amorphous: 0) Maximum intensity 437. cts, 2184.1 cps The XRPD pattern corresponding to Table 2 is shown as Figure 2.
Solid material which was exposed to acetic acid was characterized as having an XRPD pattern at 5.4, 5.3, 5.1, 4.2, 3.8, 3.6, 3.4, 3.1, 2.7 and 2.6 angstroms. More complete XRPD data pertaining to the solvate is shown below in Table 3.
T
Tip Peak Angle Width Peak Backg D Spac I/Imax Type Sign No. (deg) (de ) (cts) (cts) (Ang) (%) Al A2 Ot 1 3.1400 0.96 10. -1. 28.1149 2.96 x x 0.81 2 6.0350 0.24 12. 5. 14.6331 3.34 x x 0.95 3 11.4925 0.12 32. 10. 7.6935 9.39 x x 0.95 4 11.9925 0.24 48. 10. 7.3739 13.76 x x 4.47 12.8950 0.18 17. 10. 6.8597 4.86 x x 1.00 6 16.3050 0.21 202. 12. 5.4320 58.28 x x 7.76 7 16.6950 0.09 86. 13. 5.3060 25.00 x x 1.02 8 17.5350 0.07 130. 13. 5.0536 37.57 x x 0.95 9 18.0250 0.09 38. 14. 4.9173 11.11 x x 0.98 20.0125 0.24 37. 16. 4.4332 10.76 x x 1.70 11 20.4650 0.09 56. 16. 4.3362 16.26 x x 1.12 12 21.0225 0.10 149. 17. 4.2225 43.02 x x 1.95 13 21.8425 0.06 81. 18. 4.0658 23.41 x x 0.85 14 23.2675 0.33 346. 19. 3.8199 100.00 x x 21.88 23.9075 0.30 77. 19. 3.7191 22.38 x x 1.58 16 24.8525 0.09 216. 21. 3.5797 62.46 x x 1.02 17 25.9625 0.30 213. 22. 3.4292 61.61 x x 12.02 18 26.5600 0.30 110. 23. 3.3534 31.87 x x 2.45 19 27.3000 0.18 48. 23. 3.2641 13.76 x x 0.79 27.4900 0.36 42. 23. 3.2420 12.21 x x 0.85 21 28.2425 0.18 29. 24. 3.1573 8.43 x x 0.76 22 28.9025 0.09 62. 25. 3.0867 18.04 x x 1.07 23 29.7375 0.18 38. 26. 3.0019 11.11 x x 1.17 24 30.3075 0.15 28. 26. 2.9467 8.12 x x 1.00 31.2550 0.18 32. 27. 2.8595 9.39 x x 0.78 26 32.9850 0.30 83. 29. 2.7134 23.94 x x 3.24 27 33.3150 0.18 62. 29. 2.6872 18.04 x x 0.81 28 33.9350 0.09 48. 30. 2.6396 13.76 x x 1.02 29 34.4175 0.15 74. 30. 2.6036 21.38 x x 1.91 35.0900 0.36 42. 31. 2.5553 12.21 x x 2.40 31 35.9900 0.36 40. 32. 2.4934 11.47 x x 2.14 32 37.0675 0.30 62. 34. 2.4234 18.04 x x 1.78 33 38.4225 0.24 41. 35. 2.3410 11.84 x x 0.95 Notes:
5 Generator settings: 45kV, 40 mA
Cu alphal, 2 wavelengths 1.54060, 1.54439 Ang Step size, sample time 0.015 deg, 0.20 s, 0.075 deg/s Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007-40.002 deg Range in D spacing 2.25207-43.9723 Ang Peak position criterion Top of smoothed data Cryst peak width range 0.00-2.00 deg Minim peak significance 0.75 Number of peaks in file 33 (alphal: 33, amorphous: 0) Maximum intensity 437. cts, 2184.1 cps The XRPD pattern corresponding to Table 3 is shown as Figure 3.
The crystalline compound of the present invention is useful in various pharmaceutically acceptable salt forms, for the synthesis of carbapenem compounds that are in turn useful for the treatment of bacterial infections in animal and human subjects. The term "pharmaceutically acceptable salt" refers to those salt forms which would be apparent to the pharmaceutical chemist. i.e., those which are substantially non-toxic and which provide the desired pharmacokinetic properties, palatability, absorption, distribution, metabolism or excretion. Other factors, more practical in nature, which are also important in the selection, are cost of the raw materials, ease of crystallization, yield, stability, hygroscopicity and flowability of the resulting bulk drug.
Typically the intermediate compound is protonated, and is found in association with a negatively charged counterion, represented by the generic X-. There are various possibilities for the charge balancing counterion X- Representative examples of such counterions are the following: acetate, adipate, aminosalicylate, anhydromethylenecitrate, ascorbate, aspartate, benzoate, benzenesulfonate, bicarbonate, bisulfate, bromide, citrate, camphorate, camphorsulfonate, carbonate, chloride, digluconate, edetate, edisylate, estolate, ethanesulfonate, fumarate, glucoheptanoate, gluconate, glutamate, glycerophosphate, glycolate, hydroxynaphthoate, 2-hydroxyethanesulfonate, iodide, lactate, lactobionate, malate, T
maleate, mandelate, methylenebis(salicylate), mucate, methanesulfonate, napadisylate, napsylate, pamoate, pantothenate, pectinate, phosphate/
diphosphate, polygalacturonate, propionate, salicylate, stearate, succinate, sulfate, tartrate, triflate, tosylate and undecanoate. Other anionic species will be apparent to the ordinarily skilled chemist.
The preferred form of the crystalline compound is the hydrochloride salt form.
The compound can be produced in accordance with the following non-limiting examples.
EXAMPLE ONE
A. Synthesis HS COOH HS COOH
H H
N N HCl ~ N ~ ~
I i~
O
BOC O acetic acid H H
cl (D
The BOC protected sidechain 1 (prepared according to the teachings of PCT W097/06154 published on February 20, 1997) was dissolved in 1.5 L of a 1 N solution of dry hydrogen chloride in acetic acid (30 min). Gas evolution was observed and the reaction product slowly crystallized. After filtering, washing (with acetic acid and hexane) and drying 137 g of product was obtained. The crystals contain acetic acid but are not a solvate.
B. Recrystallization procedures 1-Propanol Solvate The above product (25 g) was dissolved in 1-propanol (500 mL) at 100 C. Upon cooling the product crystallized out. After filtering, washing (with 1-propanol and hexane) and drying 20 g of the 1-propanol solvate was obtained.
Tip Peak Angle Width Peak Backg D Spac I/Imax Type Sign No. (deg) (de ) (cts) (cts) (Ang) (%) A 1 A2 Ot 1 8.3325 0.48 10. 6. 10.6028 2.34 x x 0.83 2 9.7600 0.1 19. 7. 9.0550 4.43 x x .89 3 12.1375 0.36 10. 8. 7.2861 2.34 x x 1.05 4 14.1525 0.15 17. 9. 6.2529 3.85 x x 0.91 1.1575 0.15 4. 12. 5.4812 10.59 x x 2.09 6 16.6450 0.15 53. 12. 5.3218 12.20 x x 1.02 7 16.8200 0.15 41. 12. 5.2668 9.38 x x 0.91 8 17.6250 0.24 30. 13. 5.0280 6.93 x x 1.26 9 18.2600 0.07 154. 13. 4.8546 35.20 x x 1.38 18.9025 0.18 17. 14. 4.6910 3.85 x x 1.2 11 19.5625 0.12 34. 14. 4.5342 7.70 x x 0.76 12 20.5175 0.09 117. 15 4.3252 26.70 x x 1.07 13 21.6225 0.21 48. 16 4.1066 10.90 x x 2.88 14 22.6875 0.13 437. 17 3.9162 100.00 x x 5. 2 23.4200 0.09 128. 18 3.7954 29.23 x x 0.7 16 23.8750 0.18 96. 18 3.7241 21.99 x x 3.47 17 24.4900 0.12 72. 18 3.6319 16.54 x x 3.02 18 25.0125 0.18 26. 18 3.557 5.95 x x 0.89 19 25.7275 0.18 19 3.459 4.64 x x 0.83 26.6250 0.18 114. 20 .3453 26.21 x x 9 21 26.9725 0.09 2497 20 3.3030 5.43 x x 1.74 22 2 7.9 75 0.07 202. 21 3.1877 46.1 x x 1.32 23 28.5925 0.24 30. 22 3.1194 6.93 x x 1.05 24 30.8400 0.07 196. 24 2.8970 44.87 x x 1.55 32.1275 0.18 38. 24 2.7 38 8.80 x x 1. 2 26 32.6325 0.18 58. 25 2.7419 13. 2 x x 2.04 27 33.925 0.18 174. 2 2.6403 39.89 x x 5.13 28 35.1000 0.18 17. 27 2.554 6 3.85 x x 1.05 29 35.7950 0.24 32. 27 2.5065 7.44 x x 3.16 36.8400 0.36 37. 28 2.4378 8.52 x x 2.4 31 37.3975 0.15 35. 28 2.4027 7 x x 7 32 37.8050 0.15 35. 28 2.3778 7.97 x x 1.15 33 38.5300 0.12 69. 29 2.3347 15.77 x x 1.15 Notes:
Generator settings: 45kV, 40 mA
Cu alphal, 2 wave lengths 1.54060, 1.54439 Ang 5 Step size, sample time 0.015 deg, 0.20 s, 0.075 deg/s Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007-40.002 deg SUBSTITUTE SHEET (RULE 26).
Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007-40.002 deg Range in D spacing 2.25207-43.9723 Ang Peak position criterion Top of smoothed data Cryst peak width range 0.00-2.00 deg Minim peak significance 0.75 Number of peaks in file 33 (alphal: 33, amorphous: 0) Maximum intensity 437. cts, 2184.1 cps The XRPD pattern corresponding to Table I is shown as Figure 1.
The hydrochloride salt 1-butanol solvate was shown to exhibit patterns such as the ERPD pattern shown as Figure 2.
Characteristic D-spacings are 14.6, 7.3, 5.6, 4.9, 4.2, 4.0, 3.9, 3.8, 3.7, 3.6, 3.5, 3.3, 3.0 and 2.9 Ang. More complete XRPD data pertaining to the solvate is shown below in Table 2.
Tip Type Peak Angle Width Peak Back D Spac UImax Sign S
No. (deg) (deg) (cts) (cts) (Ang) ( !o) Al A2 5t 66 5 1 1.84 x x 1. 20 1 3.
2 6.9675 0.07 557 4. 14.554 100.00 x x 5.75 3 9.7950 0.18 10. 5. 9.0227 1.84 x x 0.8 4 11.1825 0.15 14. 6. 7.9061 2.59 x x 1.10 12.0 25 0.09 135. 6. 7.3312 24.16 x x 3.09 6 12.8450 0.12 19. 7. 6.8863 3.48 x x 1.12 7 15.8225 0.07 62. 8. 5.5965 11.21 x x 1.35 8 16.7900 0.30 12. 10. 5.2761 2.08 x x 0.95 9 17. 150 0.07 98. 10. 4.9473 17.60 x x 1.17 18.2525 0.21 119. 11. 4.8566 -21.33 x x 6.46 11 18.7050 0.09 30. 11. 4.7401 5.43 x x 1.29 12 20.5575 0.09 31. 13. 4.3169 5.63 x x 1.3 13 21.3925 0.12 376. 13. 4.1563 67.57 x x 7.08 14 21.9375 0.06 159. 14. 4.0484 28.50 x x 0.81 22.3975 0.12 144. 14. 3.9663 25.85 x x 4.07 16 22.7650 0.06 132. 15. 3.9031 23.74 x x 1.23 17 23.5475 0.07 114. 16. 3.7751 20.56 x x 1.10 18 24.2675 0.06 180. 177.6647 32.24 x x 1.02 19 24.8 75 0. 9 149. 17. 3.5776 26.72 x x 2.04 25.1500 0.06 98. 18. 3.5381 17. 0 x x 0.79 21 25.8000 0.07 108. 18. 3.4504 19.42 x x 1.35 22 26.7525 0.12 159. 18. 3.3297 28.50 x x 1.17 23 27. 75 0.07 77. 1. 3.2551 13.96 x x 0.93 24 28.0575 0.1 37. 20. 3.1777 6.68 x x 1.51 29.0475 0.1 45. 20. 3.0716 8.06 x x 1.41 26 29.5925 0.10 142. 21. 3. 1 3 25.43 x x 2.63 27 30.0575 0.06 117. 22. 2.9706 20.94 x x 0.78 28 30.3500 0.12 58. 22. 2.9427 10.37 x x 0.93 29 30.7375 0.24 117. 23. 2.9065 20.94 x x 7.76 31.3225 0.18 30. 23. 2.8535 5.43 x x 1.38 31 32.0950 0.12 35. 24. 2.7866 6.25 x x 0.87 32 32.8725 0.18 25. 24. 2.7224 4.49 x x 1.07 33 33.4025 0.24 18. 25. 2.6804 3. 2 x x 0.85 34 33.9575 0.24 76. 26. 2.6379 13.59 x x 4.37 34.5225 0.04 42. 26. 2.5960 7.5 x x 0.76 36 34.9 25 0.06 37. 27. 2.5664 6.68 x x 0.7 37 35.4450 0.09 67. 27. 2.5305 12.07 x x 1.45 38 36.2300 0.21 36. 28. 2.4774 6.4 x x 2.88 39 37.3500 0.12 49. 29. 2.4057 8.80 x x 1.38 38.2150 0.12 52. 29. 2.3532 9.31 x x 1.20 SUBSTITUTE SHEET (RULE 26) Notes:
Generator settings: 45kV, 40 mA
Cu alphal, 2 wavelengths 1.54060, 1.54439 Ang Step size, sample time 0.015 deg, 0.20 s, 0.075 deg/s Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007 - 40.002 deg Range in D spacing 2.25207 - 43.9723 Ang Peak position criterion Top of smoothed data Cryst peak width range 0.00-2.00 deg Minim peak significance 0.75 Number of peaks in file 33 (alphal: 33, amorphous: 0) Maximum intensity 437. cts, 2184.1 cps The XRPD pattern corresponding to Table 2 is shown as Figure 2.
Solid material which was exposed to acetic acid was characterized as having an XRPD pattern at 5.4, 5.3, 5.1, 4.2, 3.8, 3.6, 3.4, 3.1, 2.7 and 2.6 angstroms. More complete XRPD data pertaining to the solvate is shown below in Table 3.
T
Tip Peak Angle Width Peak Backg D Spac I/Imax Type Sign No. (deg) (de ) (cts) (cts) (Ang) (%) Al A2 Ot 1 3.1400 0.96 10. -1. 28.1149 2.96 x x 0.81 2 6.0350 0.24 12. 5. 14.6331 3.34 x x 0.95 3 11.4925 0.12 32. 10. 7.6935 9.39 x x 0.95 4 11.9925 0.24 48. 10. 7.3739 13.76 x x 4.47 12.8950 0.18 17. 10. 6.8597 4.86 x x 1.00 6 16.3050 0.21 202. 12. 5.4320 58.28 x x 7.76 7 16.6950 0.09 86. 13. 5.3060 25.00 x x 1.02 8 17.5350 0.07 130. 13. 5.0536 37.57 x x 0.95 9 18.0250 0.09 38. 14. 4.9173 11.11 x x 0.98 20.0125 0.24 37. 16. 4.4332 10.76 x x 1.70 11 20.4650 0.09 56. 16. 4.3362 16.26 x x 1.12 12 21.0225 0.10 149. 17. 4.2225 43.02 x x 1.95 13 21.8425 0.06 81. 18. 4.0658 23.41 x x 0.85 14 23.2675 0.33 346. 19. 3.8199 100.00 x x 21.88 23.9075 0.30 77. 19. 3.7191 22.38 x x 1.58 16 24.8525 0.09 216. 21. 3.5797 62.46 x x 1.02 17 25.9625 0.30 213. 22. 3.4292 61.61 x x 12.02 18 26.5600 0.30 110. 23. 3.3534 31.87 x x 2.45 19 27.3000 0.18 48. 23. 3.2641 13.76 x x 0.79 27.4900 0.36 42. 23. 3.2420 12.21 x x 0.85 21 28.2425 0.18 29. 24. 3.1573 8.43 x x 0.76 22 28.9025 0.09 62. 25. 3.0867 18.04 x x 1.07 23 29.7375 0.18 38. 26. 3.0019 11.11 x x 1.17 24 30.3075 0.15 28. 26. 2.9467 8.12 x x 1.00 31.2550 0.18 32. 27. 2.8595 9.39 x x 0.78 26 32.9850 0.30 83. 29. 2.7134 23.94 x x 3.24 27 33.3150 0.18 62. 29. 2.6872 18.04 x x 0.81 28 33.9350 0.09 48. 30. 2.6396 13.76 x x 1.02 29 34.4175 0.15 74. 30. 2.6036 21.38 x x 1.91 35.0900 0.36 42. 31. 2.5553 12.21 x x 2.40 31 35.9900 0.36 40. 32. 2.4934 11.47 x x 2.14 32 37.0675 0.30 62. 34. 2.4234 18.04 x x 1.78 33 38.4225 0.24 41. 35. 2.3410 11.84 x x 0.95 Notes:
5 Generator settings: 45kV, 40 mA
Cu alphal, 2 wavelengths 1.54060, 1.54439 Ang Step size, sample time 0.015 deg, 0.20 s, 0.075 deg/s Monochromator used Divergence slit Automatic (irradiated sample length 12.5 mm) Peak angle range 2.007-40.002 deg Range in D spacing 2.25207-43.9723 Ang Peak position criterion Top of smoothed data Cryst peak width range 0.00-2.00 deg Minim peak significance 0.75 Number of peaks in file 33 (alphal: 33, amorphous: 0) Maximum intensity 437. cts, 2184.1 cps The XRPD pattern corresponding to Table 3 is shown as Figure 3.
The crystalline compound of the present invention is useful in various pharmaceutically acceptable salt forms, for the synthesis of carbapenem compounds that are in turn useful for the treatment of bacterial infections in animal and human subjects. The term "pharmaceutically acceptable salt" refers to those salt forms which would be apparent to the pharmaceutical chemist. i.e., those which are substantially non-toxic and which provide the desired pharmacokinetic properties, palatability, absorption, distribution, metabolism or excretion. Other factors, more practical in nature, which are also important in the selection, are cost of the raw materials, ease of crystallization, yield, stability, hygroscopicity and flowability of the resulting bulk drug.
Typically the intermediate compound is protonated, and is found in association with a negatively charged counterion, represented by the generic X-. There are various possibilities for the charge balancing counterion X- Representative examples of such counterions are the following: acetate, adipate, aminosalicylate, anhydromethylenecitrate, ascorbate, aspartate, benzoate, benzenesulfonate, bicarbonate, bisulfate, bromide, citrate, camphorate, camphorsulfonate, carbonate, chloride, digluconate, edetate, edisylate, estolate, ethanesulfonate, fumarate, glucoheptanoate, gluconate, glutamate, glycerophosphate, glycolate, hydroxynaphthoate, 2-hydroxyethanesulfonate, iodide, lactate, lactobionate, malate, T
maleate, mandelate, methylenebis(salicylate), mucate, methanesulfonate, napadisylate, napsylate, pamoate, pantothenate, pectinate, phosphate/
diphosphate, polygalacturonate, propionate, salicylate, stearate, succinate, sulfate, tartrate, triflate, tosylate and undecanoate. Other anionic species will be apparent to the ordinarily skilled chemist.
The preferred form of the crystalline compound is the hydrochloride salt form.
The compound can be produced in accordance with the following non-limiting examples.
EXAMPLE ONE
A. Synthesis HS COOH HS COOH
H H
N N HCl ~ N ~ ~
I i~
O
BOC O acetic acid H H
cl (D
The BOC protected sidechain 1 (prepared according to the teachings of PCT W097/06154 published on February 20, 1997) was dissolved in 1.5 L of a 1 N solution of dry hydrogen chloride in acetic acid (30 min). Gas evolution was observed and the reaction product slowly crystallized. After filtering, washing (with acetic acid and hexane) and drying 137 g of product was obtained. The crystals contain acetic acid but are not a solvate.
B. Recrystallization procedures 1-Propanol Solvate The above product (25 g) was dissolved in 1-propanol (500 mL) at 100 C. Upon cooling the product crystallized out. After filtering, washing (with 1-propanol and hexane) and drying 20 g of the 1-propanol solvate was obtained.
1-Butanol Solvate The above product (25 g) was dissolved in a mixture of 1-butanol (225 mL) and water (25 mL) at RT. The resulting solution was concentrated in vacuo to a total volume of 125 mL and seeded with authentic 1-butanol solvate. The crystals were filtered, washed (with 1-butanol and hexane) and dried at RT to give 25 g of the 1-butanol solvate.
Acetic Acid Solvate The above product was slurried overnight in a 95/5 mixture of acetic acid and water at RT and then partially concentrated via distillation in vacuo. The crystals were filtered, washed (with acetic acid and hexane) and dried to give the acetic acid solvate.
T
Acetic Acid Solvate The above product was slurried overnight in a 95/5 mixture of acetic acid and water at RT and then partially concentrated via distillation in vacuo. The crystals were filtered, washed (with acetic acid and hexane) and dried to give the acetic acid solvate.
T
Claims (6)
1. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid or a pharmaceutically acceptable salt or solvate thereof.
2. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid in accordance with claim 1 as the hydrochloride salt.
3. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid in accordance with claim 2 as the hydrochloride salt unsolvated form.
4. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid in accordance with claim 2 as the hydrochloride salt 1-butanol solvate.
5. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid in accordance with claim 2 as the hydrochloride salt acetic acid solvate.
6. Crystalline 2S-cis-3-[[(4-mercapto-2-pyrrolidinyl)carbonyl]amino]benzoic acid, or a pharmaceutically acceptable salt or solvate thereof, in accordance with claim 1, having one of the following X-ray powder diffraction patterns:
TABLE
d Spacings (.ANG.) - HCl salt Unsolvated 1-butanol solvate Acetic acid solvate 5.5 14.6 5.4 5.3 7.3 5.3 4.9 5.6 5.1 4.3 4.9 4.2 4.1 4.2 3.8 3.9 4.0 3.6 3.8 3.9 3.4 3.7 3.8 3.1 3.6 3.7 2.7 3.3 3.6 2.6 3.2 3.5 2.9 3.3 2.6 3.0 2.3 2.9
TABLE
d Spacings (.ANG.) - HCl salt Unsolvated 1-butanol solvate Acetic acid solvate 5.5 14.6 5.4 5.3 7.3 5.3 4.9 5.6 5.1 4.3 4.9 4.2 4.1 4.2 3.8 3.9 4.0 3.6 3.8 3.9 3.4 3.7 3.8 3.1 3.6 3.7 2.7 3.3 3.6 2.6 3.2 3.5 2.9 3.3 2.6 3.0 2.3 2.9
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5219797P | 1997-07-10 | 1997-07-10 | |
| US60/052,197 | 1997-07-10 | ||
| GBGB9800463.3A GB9800463D0 (en) | 1998-01-09 | 1998-01-09 | Crystalline forms of antibiotic side chain intermediates |
| GB9800463.3 | 1998-01-09 | ||
| PCT/US1998/014036 WO1999002492A1 (en) | 1997-07-10 | 1998-07-07 | Crystalline forms of antibiotic side chain intermediates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2294341A1 CA2294341A1 (en) | 1999-01-21 |
| CA2294341C true CA2294341C (en) | 2007-09-25 |
Family
ID=26312922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002294341A Expired - Fee Related CA2294341C (en) | 1997-07-10 | 1998-07-07 | Crystalline forms of antibiotic side chain intermediates |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0998457A4 (en) |
| JP (1) | JP3378021B2 (en) |
| AU (1) | AU736136B2 (en) |
| CA (1) | CA2294341C (en) |
| WO (1) | WO1999002492A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2414311C (en) | 2000-07-19 | 2008-01-08 | F. Hoffmann-La Roche Ag | Pyrrolidine derivatives as inhibitors of endothelin-converting enzyme |
| CN102264744A (en) * | 2008-12-25 | 2011-11-30 | 株式会社钟化 | Improved manufacturing method of carbapenem side chain intermediate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9202298D0 (en) * | 1992-02-04 | 1992-03-18 | Ici Plc | Antibiotic compounds |
| AU731586B2 (en) * | 1997-07-09 | 2001-04-05 | Merck Sharp & Dohme Corp. | Process for synthesizing carbapenem side chain intermediates |
-
1998
- 1998-07-07 CA CA002294341A patent/CA2294341C/en not_active Expired - Fee Related
- 1998-07-07 AU AU82920/98A patent/AU736136B2/en not_active Ceased
- 1998-07-07 EP EP98933212A patent/EP0998457A4/en not_active Withdrawn
- 1998-07-07 JP JP50883899A patent/JP3378021B2/en not_active Expired - Fee Related
- 1998-07-07 WO PCT/US1998/014036 patent/WO1999002492A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CA2294341A1 (en) | 1999-01-21 |
| JP2002504157A (en) | 2002-02-05 |
| AU736136B2 (en) | 2001-07-26 |
| WO1999002492A1 (en) | 1999-01-21 |
| EP0998457A1 (en) | 2000-05-10 |
| JP3378021B2 (en) | 2003-02-17 |
| EP0998457A4 (en) | 2010-03-10 |
| AU8292098A (en) | 1999-02-08 |
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