Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1988-09-06
1990-08-21
Shah, Mukund J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540221, C07D50157, A61K 31545
Patent
active
049506609
ABSTRACT:
The present invention relates to a cephem compound of formula (III) shown in the description. The compound is useful as an intermediate for the synthesis of .beta.-lactam antibiotics of new class and also to a process for producing the same. The cephem compound (III) is produced by reacting a cephem compound of formula (I) with a nitrogen-containing compound of formula (II) under acid-capturing conditions. The process can be performed easily under mild conditions.
REFERENCES:
patent: 4385178 (1983-05-01), Saikawa et al.
patent: 4560750 (1985-12-01), Atsumi et al.
Atsumi Kunio
Kondo Shin-ichi
Nishihata Ken
Sakagami Kenji
Yamamoto Yuichi
Cseh C. L.
Meiji Seika Kabushiki Kaisha
Shah Mukund J.
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