Synthesis of (2S,5R)-5-ethynyl-1-{N-(4-methyl-1-(4-carboxy-pyridin-2-yl)piperidin-4-yl)glycyl}pyrrolidine-2-carbonitrile
US9260411B2 · kind B2 · utility
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Key dates
| Filing date | Jul 19, 2007 |
| Grant date | Feb 16, 2016 |
| Priority date | — |
| Expiry date | Dec 3, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0803
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for making (2S,5R)-5-ethynyl-1-{N-(4-methyl-1-(4-carboxy-pyridin-2-yl)piperidin-4-yl)glycyl}pyrrolidine-2-carbonitrile and salts thereof, and intermediates used in the process are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.