Process for the preparation of caprolactam CGRP antagonist
US7718796B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Apr 6, 2007 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Apr 6, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An efficient syntheses for the preparation of (3R,6S)-3-amino-6-(2,3-difluorophenyl)-1-(2,2,2-trifluoroethyl)azepan-2-one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.