Penicillin derivatives
US4219477A · kind A · utility
3Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1978 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Dec 5, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D499/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Penicillin and cephalosporin derivatives and non-toxic salts thereof represented by the formula (1), ##STR1## wherein Ar represents a phenyl or heterocyclic group which may be substituted by a halogen atom, or a hydroxy or lower alkoxy group, R represents a hydrogen atom or a hydroxy group, X represents CH or N, ##STR2## 1 and n are integers of 0 or 1 wherein the sum equal to 1 and n is 0 or 1, and m is an integer equal to 1 or 2 are useful antibiotics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.