3-pyrrolidinylthio-1-azabicyclo[3.2.0]-hept-2-ene-2-carboxylic acid derivatives and their preparation
US4983596A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 1989 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | May 4, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a compound of antimicrobial activity, of the formula: ##STR1## in which R.sup.1 is carboxy or protected carboxy, PA1 R.sup.2 is hydroxy(lower)alkyl or protected hydroxy(lower)alkyl, PA1 R.sup.3 is hydrogen or lower alkyl, PA1 R.sup.4 is 2-fluoroethyl, 2-chloroethyl, 2-fluoropropyl or 4-fluorobutyl, PA1 R.sup.5 is hydrogen, lower alkanimidoyl, unsubstituted lower cycloalkenyl or substituted by a group consisting of oxo and amino, or imino-protective group, and PA1 A is lower alkylene, or pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.