Hydroxamic acid derivatives of 7-[(2-amino-4-thiazolyl)-oximino] cephalosporins
US4252802A · kind A · utility
10Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1980 |
| Grant date | Feb 24, 1981 |
| Priority date | — |
| Expiry date | Mar 13, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of the formula ##STR1## wherein R is hydrogen, alkali metal, ##STR2## or ##STR3## R.sub.1 is hydrogen or methyl; R.sub.2 is hydrogen or methyl; PA1 R.sub.3 is hydrogen, lower alkyl or lower alkylphenyl; PA1 R.sub.4 is hydrogen, --OCONH.sub.2, ##STR4## R.sub.7 is hydrogen or lower alkyl; R.sub.8 is hydrogen or --CONH.sub.2 ; PA1 R.sub.9 is hydrogen, lower alkyl, ##STR5## or --(CH.sub.2).sub.p --N--(lower alkyl).sub.2 ; R.sub.10 is hydrogen or lower alkyl; PA1 R.sub.11 is hydrogen, sodium or potassium; PA1 n is 1, 2, 3 or 4; PA1 m is 0, 1 or 2; PA1 p is 1, 2, 3 or 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.