Processes for the preparation of novel benzimidazole derivatives
US8921573B2 · kind B2 · utility
1Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2014 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Apr 16, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D403/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to processes and intermediates for the preparation of novel benzimidazole derivatives, especially in the synthesis of hepatitis C virus NS5A inhibitors. In particular, the present invention relates to processes and intermediates for the preparation of compounds of formulae (I-a):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.