Processes for the preparation of cephem derivatives
US7544797B2 · kind B2 · utility
0Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2004 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Nov 20, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided is a process for preparing a compound of formula 1 or its salt, which includes reacting a compound of formula 2 with a compound of formula 3 in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.