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
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