Cephem compounds and processes for preparation thereof
US4927818A · kind A · utility
26Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1987 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Aug 28, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
7 .beta.-[2-5 amino-1, 2, 4 thiadiazol-3yl) 2(carboxy lower alkyleneoxyimino) acetamido]-3-(3-amino-2-alkyl-1-pyrazolio) methyl 3 cephem 4 carboxylates are prepared. They are antibiotics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.