Carbapenems with quaternized heterothioalkylthio substitution at position 2
US4880922A · kind A · utility
1Cited by
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5Claims
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Key dates
| Filing date | Nov 22, 1985 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Nov 22, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel series of carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which n has a value of 1, 2 or 3; R.sup.5 represents an optionally substituted aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic, heteroaraliphatic, heterocyclyl or heterocyclylaliphatic radical; and ##STR2## represents a quaternized nitrogen-containing aromatic heterocycle bonded to the group --S--(CH.sub.2)n--S-- via a ring carbon atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.