Salt of pyrrolo[2,3-D]pyrimidine compound and novel polymorph of salt
US10138250B2 · kind B2 · utility
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Key dates
| Filing date | May 21, 2018 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | May 21, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/13
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to novel crystalline forms of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (compound I), its salts, and process for preparation thereof. Crystalline forms in the present invention have good stability, low hygroscopicity, good processability, easy treatability and other favorable properties. In addition, the process is simple, low cost, and has an important value for future optimization and development of the drug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.