Abstract: The present invention relates to a process for preparing a tetrazole-substituted anthranilic acid diamide derivative according to formula (I) in crystalline form via solvate crystals in high purity and high yield. The present invention also further relates to the provision of novel solvate crystals which are distinguished by improved filtration properties compared to a tetrazole-substituted anthranilic acid diamide derivative according to the abovementioned formula (I) in crystalline form.

Abstract: The present application relates to a novel and efficient process with high yield for preparing methyl {4,6-diamino-2-[5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate of the formula (I) in the crystalline form of modification I, wherein the x-ray diffractogram of the compound of the formula (I) in modification exhibits peak maxima of the 2 theta angle at 5.9, 6.9, 22.7, in very high purity which is significantly more cost-effective than the process known from the art and can be performed in customary pilot- and production plant-equipment (stirred tank/devices for isolation).

Abstract: What is described herein relates to a method for generating micro-particles comprising the steps of a) providing a homogenous supersaturated solution of a substance in a crystallization medium b) providing a seeding material characterized by a nano-particle size of a d50 between 10 nm and 999 nm comprising at least one stabilizer, wherein said seeding material is of the same substance as the substance of the homogenous supersaturated solution of step a) c) bringing the homogenous supersaturated solution in contact with the seeding material, optionally isolating micro-particles.

Abstract: The present invention relates to stable nanosuspensions of methyl {4,6-diamino-2-[5-fluoro-1-(2- fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate (Vericiguat, compound of formula (I)), processes for preparing the stable nanosuspensions, nanoparticles comprising the compound of formula (I), and pharmaceutical compositions in solid form made from the nanosuspensions.

Abstract: The present invention relates to a process for preparing 4-{[(2S)-2-{4-[5-chloro-2-(4-chloro-1H-1,2,3-triazol-1-yl)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}butanoyl]amino}-2-fluorobenzamide (I) or 4-({(2S)-2-[4-{5-chloro-2-[4-(trifluoromethyl)-1H-1,2,3-triazol-1-yl]phenyl}-5-methoxy-2-oxopyridin-1(2H)-yl]butanoyl}amino)-2-fluorobenzamide (II) from 2,5-dimethoxypyridine (III), 1-(2-bromo-4-chlorophenyl)-4-chloro-1H-1,2,3-triazole (X-Cl) or 1-(2-bromo-4-chlorophenyl)-4-(trifluoromethyl)-1H-1,2,3-triazole (X-CF3), 4-amino-2-fluorbenzamide (XIII) and (2R)-2-aminobutanoic acid (XVII).

Abstract: The present invention relates to methyl {4,6-diamino-2-[5-fluoro-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridin-3-yl]pyrimidin-5-yl}carbamate in the form of a novel active compound product having improved properties, for example in respect of the isolability of the active compound product, the dischargeability of the active compound product after isolation and drying and also conveyability, sieveability and micronizability of the active compound product, and to processes for the production and formulation thereof.

Abstract: The present invention relates to a process for preparing 4-{[(2S)-2-{4-[5-chloro-2-(4-chloro-1H-1,2,3-triazol-1-yl)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}butanoyl]amino}-2-fluorobenzamide (I) or 4-({(2S)-2-[4-{5-chloro-2-[4-(trifluoromethyl)-1H-1,2,3-triazol-1-yl]phenyl}-5-methoxy-2-oxopyridin-1(2H)-yl]butanoyl}amino)-2-fluorobenzamide (II) from 2,5-dimethoxypyridine (III), 1-(2-bromo-4-chlorophenyl)-4-chloro-1H-1,2,3-triazole (X-Cl) or 1-(2-bromo-4-chlorophenyl)-4-(trifluoromethyl)-1H-1,2,3-triazole (X-CF3), 4-amino-2-fluorbenzamide (XIII) and (2R)-2-aminobutanoic acid (XVII).