Process for preparing cephalosporins with salified intermediate
US7071329B2 · kind B2 · utility
5Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2004 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Jan 10, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cephalosporins may be conveniently prepared by a process in which a benzathinium salt of formula (V)wherein:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.