发明名称 |
Preparation process for the lactone of 1R, cis 2,2-dimethyl-3-fromyl cyclopropane-1-carboxylic acid and halogenated intermediates |
摘要 |
The invention relates to the preparation of the compound (I): …<IMAGE>… by a process according to which the compound (II): …<IMAGE>… is treated with a halogen and the halogenated compound obtained is then subjected to the action of a basic agent to produce the compound (IV'): …<IMAGE>… which is treated with an oxidising agent. …<??>The invention also relates to the new intermediates obtained. |
申请公布号 |
ZA9208570(B) |
申请公布日期 |
1993.11.08 |
申请号 |
ZA19920008570 |
申请日期 |
1992.11.06 |
申请人 |
ROUSSEL-UCLAF |
发明人 |
NEERJA BHATNAGAR;FRANCIS BRION;COLETTE COLLADANT |
分类号 |
C07D307/32;C07C27/02;C07C51/09;C07C59/29;C07C62/02;C07D307/93 |
主分类号 |
C07D307/32 |
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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