摘要:
This invention relates a crystalline form of N-[4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid, pemetrexed diacid, and to a process for the preparation thereof.
摘要:
This invention relates a crystalline form of N-[4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid, pemetrexed diacid, and to a process for the preparation thereof.
摘要:
A process for purifying Anastrozole is provided. In the process the steps of a. extracting a quenched reaction mixture containing anastrazole with a mixture of toluene, linear, branched or cyclic C 5-8 hydrocarbon and water; b. extracting the aqueous phase using a mixture comprising of toluene and linear, branched or cyclic C 5-8 hydrocarbon; c. adding water; d. extracting the aqueous phase using toluene; e. washing the organic phase with an aqueous solution of an acid; f. adding linear, branched, or cyclic C 5-8 hydrocarbon to the organic phase to precipitate Anastrozole,
摘要:
This invention relates a crystalline form of N-[4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid, pemetrexed diacid, and to a process for the preparation thereof.
摘要:
This invention relates a crystalline form of N-[4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid, pemetrexed diacid, and to a process for the preparation thereof.
摘要:
A process for purifying Anastrozole is provided. In the process the steps of a. extracting a quenched reaction mixture containing anastrazole with a mixture of toluene, linear, branched or cyclic C 5-8 hydrocarbon and water; b. extracting the aqueous phase using a mixture comprising of toluene and linear, branched or cyclic C 5-8 hydrocarbon; c. adding water; d. extracting the aqueous phase using toluene; e. washing the organic phase with an aqueous solution of an acid; f. adding linear, branched, or cyclic C 5-8 hydrocarbon to the organic phase to precipitate Anastrozole,
摘要:
This invention relates a crystalline form of N-[4-[2-(2-amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid, pemetrexed diacid, and to a process for the preparation thereof.