Process for preparing desacetoxycephalosporins
US3944545A · kind A · utility
8Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1973 |
| Grant date | Mar 16, 1976 |
| Priority date | — |
| Expiry date | Apr 12, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A penicillin sulfoxide is heated in the presence of silylating agent to produce a novel silyl ester azetidine-2-sulfenate which, by treatment with acid, is converted to a desacetoxycephalosporin compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.