Process for the preparation of optionally 2-substituted 5-chloroimidazole-4-carbaldehydes
US5684157A · kind A · utility
1Cited by
7References
5Claims
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Key dates
| Filing date | Jan 14, 1997 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Jan 14, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/96
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of 2-substituted 5-chloroimidazole-4-carbaldehydes of the general formula: ##STR1## wherein R is hydrogen, an alkyl group, an alkenyl group, a cycloalkyl group, a benzl group or a phenyl group. The imidazole compounds are important starting products for the preparation of hypotensive pharmaceuticals or herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.