Novel .beta.-lactam acetic acid derivatives
US4576746A · kind A · utility
4Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1982 |
| Grant date | Mar 18, 1986 |
| Priority date | — |
| Expiry date | Mar 4, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D205/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New .beta.-lactam acetic acid derivatives I ##STR1## wherein R represents alkyl, alkyl substituted with amino, protected amino, mono- or di-alkylamino, hydroxy, protected hydroxy or alkoxy, and alkenyl, and their salts are useful as intermediates for preparing 1-azabicyclo [3.2.0]hept-2-ene antibiotics II ##STR2## The process for preparing the .beta.-lactam acetic acid derivatives I as well as the overall process which starting from the acids I leads to the antibiotics II are also claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.