2-(2-cyclopropylpyrrolidin-4-ylthio)carbapenhem derivatives
US5112818A · kind A · utility
5Cited by
5References
8Claims
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Key dates
| Filing date | Dec 28, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Dec 28, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D477/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, each of R.sup.2 and R.sup.3 which may be the same or different, is a hydrogen atom or a lower alkyl group, or R.sup.2 and R.sup.3 form together with the adjacent nitrogen atom a heterocyclic group selected from the group consisting of an aziridinyl group, an azetidinyl group, a pyrrolidinyl group, a piperidino group, a piperazinyl group and a morpholino group, A is a carbonyl group or a single bond, and n is an integer of from 0 to 3; or a pharmaceutically acceptable salt or ester thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.