Process for preparing alkoxylated derivatives of cephalosporin compounds
US4051320A · kind A · utility
7Cited by
3References
7Claims
0Family size
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Key dates
| Filing date | Jul 3, 1975 |
| Grant date | Sep 27, 1977 |
| Priority date | — |
| Expiry date | Jul 3, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D499/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for preparing 7-alkoxy cephalosporins useful as intermediates for various cephalosporin or penicillin derivatives which comprises reacting 7-benzylideneaminocephem or 6-benzylideneaminopenam compounds with a halide cation-producing compound in the presence of an alcohol and a base capable of forming a salt with a phenolic hydroxyl group or converting a phenolic hydroxyl group to phenolate ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.