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US4472313A Cyclopropanation of olefins 失效
烯烃的环丙烷化

Cyclopropanation of olefins
摘要:
The invention provides a method of converting ethylenically unsaturated units of an olefinic substrate to corresponding cyclopropanyl units, comprising treating the olefinic substrate, in an ether medium, with zinc and diiodomethane and a catalytic amount of a metallo-hydride reducing agent. Preferred substrates are olefinic fatty acids or their functional derivatives, e.g. oleic acid esters.
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