POLYMORPHS OF 7-CYCLOPENTYL-N,N-DIMETHYL-2-{[5-(PIPERAZIN-1-YL) PYRIDIN-2-YL]-AMINO}-7H-PYRROLO[2,3-D]PYRIMIDINE-6-CARBOXAMIDE AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS AND PROCESS FOR THE PREPARATION THEREOF
申请人:SRINIVASAN Thirumalai Rajan
公开号:US20220204514A1
公开(公告)日:2022-06-30
The present invention relates to novel crystalline forms of butanedioic acid 7-cyclopentyl-N,N-dimethyl-2-[5-(piperazin-1-yl) pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide of formula-la and process for preparation thereof.
The present invention also relates to a process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d] pyrimidine-6-carboxamide.
Further, the present application also relates to acid addition salts of 7-cyclopentyl-N,N-dimethyl-2-[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d] pyrimidine-6-carboxamide and process for the preparation thereof.