Process for preparing benzimidazole compounds
US8383832B2 · kind B2 · utility
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Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C229/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ib-1:wherein Z, X1, X2, X5, R2b and R10 are as defined herein. Compounds of Formula Ib-1 can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.