6-Amino-2,2-dimethyl-3-cyanopenams
US4081455A · kind A · utility
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Key dates
| Filing date | Feb 25, 1977 |
| Grant date | Mar 28, 1978 |
| Priority date | — |
| Expiry date | Feb 25, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D499/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
6-AMINO AND 6-(N-protected amino)-2,2-dimethyl-3-cyanopenams, intermediates therefor, and a process for the conversion of the 3-cyano penams, by reaction with a source of azide ion in a reaction inert solvent, to 6-amino-and 6-(N-protected amino)-2,2-dimethyl-3(5-tetrazolyl)penams, intermediates for the preparation of antibacterial agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.