发明名称 Process for preparing azetidinone derivatives.
摘要 <p>A process for preparing an azetidinone derivative represented by the formula (I) <Chemistry id="chema01" num="0001"><Image id="ia01" he="30" wi="60" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>1</Sup> represents an aryl group, arylmethyl group or aryloxymethyl group, R<Sup>2</Sup> represents hydrogen atom or a carboxyl-protecting group and R<Sup>3</Sup> represents an alkyl group or aryl group, the process comprising reacting an azetidinone derivative represented by the formula (II) <Chemistry id="chema02" num="0002"><Image id="ia02" he="28" wi="58" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>1</Sup>, R<Sup>2</Sup> and R<Sup>3</Sup> are as defined above with a chlorinating agent.</p>
申请公布号 EP0122002(A1) 申请公布日期 1984.10.17
申请号 EP19840301330 申请日期 1984.03.01
申请人 OTSUKA KAGAKU YAKUHIN KABUSHIKI KAISHA 发明人 TORII, SIGERU;TANAKA, HIDEO;OGATA, YUZURU;SASAOKA, MICHIO;SAITO, NORIO;NAGAO, SHIGEMITSU
分类号 C07D205/08;C07D205/095;(IPC1-7):07D205/08 主分类号 C07D205/08
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