Cephem compounds
US5173485A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1991 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | Jun 14, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to an antimicrobial compound of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group, PA1 R.sup.2 is lower alkyl, lower alkenyl, carboxy (lower) alkyl or protected carboxy(lower)alkyl, PA1 R.sup.3 is hydrogen, lower alkyl, hydroxy(lower)alkyl, protected hydroxy(lower)alkyl, amino(lower)alkyl, protected amino(lower)alkyl or lower alkanoyl, PA1 R.sup.4 is hydrogen, lower alkyl or lower alkylthio, and PA1 Z is N or CH or a pharmaceutically acceptable salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.