Cephem compounds and processes for preparation thereof
US4703046A · kind A · utility
17Cited by
17References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1979 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | Sep 6, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention concerns antibiotic cephalosporins of the formula ##STR1## wherein R.sup.1 is amino or protected amino; R.sup.2 is halogen; R.sup.3 is alkyl; and R.sup.6 is carboxy or protected carboxy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.