Title:
3-アルケニルセフェム化合物の製造法
Document Type and Number:
Japanese Patent JP4157177
Kind Code:
B2
Abstract:
A process for preparing 3-alkenylcephem compounds characterized in that 3-alkenylcephem compound of the formula (3) is prepared in a single step by simultaneously conducting reactions of a 3-chloromethylcephem compound of the formula (1) with iodization reagent, alkali metal hydroxide or carbonate, arylphosphine and an aldehyde of the formula (2) R<4>-CHO wherein R<1>, R<2>, R<3> and R<4> are as defined in the specification.
Inventors:
Kameyama Yutaka
Application Number:
JP16340397A
Publication Date:
September 24, 2008
Filing Date:
June 04, 1997
Export Citation:
Assignee:
Otsuka Chemical Holdings Co., Ltd.
International Classes:
C07D501/04; C07D501/00; C07D501/18; C07D501/22; C07D501/24
Domestic Patent References:
| JP3120288A | ||||
| JP61263990A | ||||
| JP56086187A | ||||
| JP6009646A |
Attorney, Agent or Firm:
Iwao Tamura