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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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