[EN] PROCESS FOR THE PREPARATION OF HIGH PURITY AMORPHOUS PEMETREXED DISODIUM AND CRYSTALLINE FORMS OF N-[4-[2-(2-AMINO-4,7-DIHYDRO-4-OXO-3H-PYRROLO[2,3- D] PYRIMIDIN-5-YL)ETHYL] BENZOYL]-L-GLUTAMIC ACID<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE PEMETREXED DISODIQUE AMORPHE DE HAUTE PURETÉ ET FORMES CRISTALLINES DE L'ACIDE N-[4-[2-(2-AMINO-4,7-DIHYDRO-4-OXO-3H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)ÉTHYL]BENZOYL]-L-GLUTAMIQUE
申请人:INST FARMACEUTYCZNY
公开号:WO2014185797A1
公开(公告)日:2014-11-20
A process for the preparation of high purity amorphous pemetrexed disodium is characterized by reacting N-[4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3- d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid with molar shortage of sodium cations generating compound in regard to carboxyl groups of free acid, under anhydrous conditions. Preferably, in that process pure crystalline Form 1 or Form 2 of N-[4-[2-(2- amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]-L-glutamic acid, containing from 27 to 31% of dimethyl sulfoxide, is used.
629. Synthetic polypeptides. Part III. Initiators for the co-polymerisation of oxazolid-2 : 5-diones
作者:D. Coleman
DOI:10.1039/jr9500003222
日期:——
PROCESS FOR THE PREPARATION OF HIGH PURITY AMORPHOUS PEMETREXED DISODIUM AND CRYSTALLINE FORMS OF N-[4-[2-(2-AMINO-4,7-DIHYDRO-4-OXO-3H-PYRROLO[2,3- D]PYRIMIDIN-5-YL)ETHYL]BENZOYL]-L-GLUTAMIC ACID
申请人:Instytut Farmaceutyczny
公开号:EP2997031A1
公开(公告)日:2016-03-23
SPERANSKIJ, E. M.;BARANOV, G. M.;ALEKSANDROV, V. A.;TELENYUK, S. E., METODY SINTEZA, STROENIE I XIM. PREVRASHCHENIYA NITROSOED. I AMINOKISLOT,+
作者:SPERANSKIJ, E. M.、BARANOV, G. M.、ALEKSANDROV, V. A.、TELENYUK, S. E.