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Document Type and Number:
Japanese Patent JPH0136824
Kind Code:
B2
Abstract:
PCT No. PCT/JP83/00298 Sec. 371 Date May 1, 1984 Sec. 102(e) Date May 1, 1984 PCT Filed Sep. 6, 1983 PCT Pub. No. WO84/00960 PCT Pub. Date Mar. 15, 1984.A process for preparing an azetidinone derivative represented by the formula (I) wherein R1 represents a straight-chain or branched-chain lower alkyl group, substituted or unsubstituted aryl group, substituted or unsubstituted phenylmethyl group or substituted or unsubstituted phenyloxymethyl group, R2 represents hydrogen atom, an optionally substituted hydrocarbon residue or protective group for amino group selected from the class consisting of acyl, silyl, sulfonyl and phosphonyl derived from organic or inorganic acid, and R3 represents a substituted or unsubstituted aryl group or the residue of substituted or unsubstituted heterocyclic ring.

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Inventors:
TORII SHIGERU
TANAKA HIDEO
NOGAMI JUNZO
SASAOKA MICHIO
SHIROI TAKASHI
SAITO NORIO
Application Number:
JP15567482A
Publication Date:
August 02, 1989
Filing Date:
September 06, 1982
Export Citation:
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Assignee:
OOTSUKA KAGAKU KK
International Classes:
C07D205/08; C07D205/095; C07D401/12; C07D403/12; C07D417/12; C07D417/14



 
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