Preparation of pyrrole-2-acetic acid derivatives
US3957818A · kind A · utility
6Cited by
1References
18Claims
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Key dates
| Filing date | Nov 7, 1974 |
| Grant date | May 18, 1976 |
| Priority date | — |
| Expiry date | Nov 7, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Catalytic dehydrogenation of .DELTA.-2,.alpha.-pyrrolidenemalonates and .DELTA.-2,.alpha.-pyrrolidenemalononitriles yields pyrrole-2-acetates and pyrrole-2-acetonitriles, respectively. Subsequent hydrolysis of the latter affords pyrrole-2-acetic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.