Intermediates for cephem compounds
US5532354A · kind A · utility
11Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1994 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | Nov 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## wherein R is a group of the formula: ##STR2## in which R.sup.3 and R.sup.4 are each lower alkyl or R.sup.3 and R.sup.4 are linked together to form C.sub.3 -C.sub.6 alkylene, A is lower alkylene, and R.sup.5 is hydroxy or a protected hydroxy group; or a group of the formula: ##STR3## in which R.sup.6 is lower alkyl, R.sup.7 and R.sup.8 are each hydroxy or a protected hydroxy group, and Y is N or CH, and salts thereof are intermediates for cephem compounds which show antimicrobial activities and which are useful in the treatment of microbial infections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.