Imidazole derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins
US4271157A · kind A · utility
9Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 1980 |
| Grant date | Jun 2, 1981 |
| Priority date | — |
| Expiry date | Feb 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D257/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula ##STR1## wherein R is hydrogen, alkali metal, ##STR2## R.sub.1 is hydrogen or methyl; R.sub.2 is hydrogen or methyl; PA0 R.sub.3 is hydrogen or methyl; PA0 R.sub.4 is hydrogen, --OCONH.sub.2, ##STR3## R.sub.5 is hydrogen or methyl; PA0 R.sub.6 is hydrogen, methyl, benzyl or acetyl; PA0 R.sub.7 is hydrogen or lower alkyl; PA0 R.sub.8 is hydrogen or --CONH.sub.2 ; PA0 R.sub.9 is hydrogen, lower alkyl, ##STR4## or --(CH.sub.2).sub.p --N--(lower alkyl).sub.2 ; R.sub.10 is hydrogen or lower alkyl; PA0 R.sub.11 is hydrogen, sodium or potassium; PA0 n is 1, 2, 3 or 4; PA0 m is 0, 1 or 2; PA0 p is 1, 2, 3 or 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.