Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Toyo Jozo KK
Original Assignee
Toyo Jozo KK
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Filing date
Publication date
Application filed by Toyo Jozo KKfiledCriticalToyo Jozo KK
Priority to JP7500176ApriorityCriticalpatent/JPS532491A/en
Publication of JPS532491ApublicationCriticalpatent/JPS532491A/en
Publication of JPS6128678B2publicationCriticalpatent/JPS6128678B2/ja
PURPOSE: To prepare cepham compounds which are suitable for use in the synthesis of cephalosporins having various substituent groups at 3-position, by the radical ring-closure reaction of azetidine derivatives conveniently obtainable from fermentation penicillin.
COPYRIGHT: (C)1978,JPO&Japio
JP7500176A1976-06-261976-06-26Synthesis of cepham compounds
GrantedJPS532491A
(en)