Antibiotic derivatives, derived from cephalosporins with thiazolyl substituents, pharmaceutical preparations and salts thereof
US4476123A · kind A · utility
9Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1982 |
| Grant date | Oct 9, 1984 |
| Priority date | — |
| Expiry date | Mar 2, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to derivatives of the family of cephalosporins, of formula: ##STR1## in which ##STR2## is an acid, a salt or an ester of this acid, R.sub.1 is a group of form ##STR3## in which R.sub.A and R.sub.B are H or alkyl or form a saturated cyclobutyl or cyclopentyl ring and R.sub.C is H or COOH, R.sub.2 is a thiazolium salt or a OCOCH.sub.2 R.sub.D group in which R.sub.D is a 1,3-thiazol-4-yl group. The invention also relates to a process for preparing the products of formula (I) and to drugs containing said products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.