7-.beta.-Ureidoacetamido-oxacephalosporins
US4525355A · kind A · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1983 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Dec 27, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A 7.beta.-ureidoacetamido-7.alpha.-methoxy-3-(1-carbamoylmethyl-1H-tetrazol- 5-yl)thiomethyl-1-dethia-1-oxa-3-cephem-4-carboxylic acid derivative represented by the following formula: ##STR1## wherein Ar is phenyl, hydroxyphenyl, or thienyl and R is hydrogen, a light metal, or a carboxy-protecting group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.