Process for preparing 7-.alpha.-methoxycephem compounds
US4485235A · kind A · utility
1Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1982 |
| Grant date | Nov 27, 1984 |
| Priority date | — |
| Expiry date | Apr 30, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a novel cephem compound represented by the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and n are as defined in the specification, which is a useful intermediate for synthesizing various cephalosporin antibiotics having a methoxy group at the 7.alpha.-position thereof. Also disclosed is a process for preparing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.