Title:
PROCESS FOR PREPARING CEPHALOSPORIN COMPOUNDS
Document Type and Number:
WIPO Patent Application WO/1984/000964
Kind Code:
A1
Abstract:
Cephalosporin compounds represented by the general formula (I), wherein R1 represents alkyl, alkenyl, substituted or unsubstituted aryl, substituted or unsubstituted arylmethyl, or substituted or unsubstituted phenoxymethyl, and R2 represents carboxyl or protected carboxyl, are prepared in a high yield with a high purity by reacting a thiazolinoazetidinone derivative represented by the general formula (II), with successively, a nucleophilic agent, a sulfur-containing compound, and ammonia.
More Like This:
| JPH0228185 | CEPHALOSPORIN COMPOUND AND SYNTHETIC INTERMEDIATE THEREOF |
| JPS5412394 | ACYL DERIVATIVE |
Inventors:
TORII SHIGERU (JP)
TANAKA HIDEO (JP)
NOGAMI JUNZO (JP)
SASAOKA MICHIO (JP)
SAITO NORIO (JP)
SHIROI TAKASHI (JP)
TANAKA HIDEO (JP)
NOGAMI JUNZO (JP)
SASAOKA MICHIO (JP)
SAITO NORIO (JP)
SHIROI TAKASHI (JP)
Application Number:
PCT/JP1983/000291
Publication Date:
March 15, 1984
Filing Date:
September 01, 1983
Export Citation:
Assignee:
OTSUKA KAGAKU YAKUHIN (JP)
International Classes:
A61K31/545; C07D501/08; C07D501/26; C07D501/36; (IPC1-7): C07D501/08
Foreign References:
| JPS5885894A | 1983-05-23 |
Other References:
See also references of EP 0117872A4
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