发明名称 |
Process for preparing an acetidinone compound |
摘要 |
<p>By treating a compound of the formula 5 <IMAGE> with an acid in the presence of water, the thiazoline ring is opened to give a compound of the formula 6 <IMAGE> where the substituents are as defined in Claim 1. The compounds obtained are useful starting materials for synthesising the cephem ring.</p> |
申请公布号 |
CH630074(A5) |
申请公布日期 |
1982.05.28 |
申请号 |
CH19800000748 |
申请日期 |
1980.01.30 |
申请人 |
SHIONOGI & CO., LTD. |
发明人 |
TERUJI TSUJI;YOSHIO HAMASHIMA;MITSURU YOSHIOKA;MASAYUKI NARISADA;HIROSHI TANIDA;TAICHIRO KOMENO;WATARU NAGATA |
分类号 |
C07D205/095;C07D501/08;C07D501/10;C07D501/20;C07D501/59;(IPC1-7):07D205/08 |
主分类号 |
C07D205/095 |
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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