Process for the synthesis of penems and penams
US4663451A · kind A · utility
1Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1984 |
| Grant date | May 5, 1987 |
| Priority date | — |
| Expiry date | Aug 29, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described is a novel process for the preparation of penams and penems useful as antibacterial agents, which comprises the reaction of an appropriate 4-substituted-azetidin-2-one with a base, followed by reaction of the thereby formed penam compound with an oxidating agent and a organic or inorganic base. Also described are novel penam compounds useful as antibacterials which are prepared by the described process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.