发明授权
US4298756A 1R, Cis 2,2-dihalovinyl-3,3-dimethylcyclopropylmethanol and ester derivatives 失效
1R,顺式2,2-二卤代乙烯基-3,3-二甲基环丙基甲醇和酯衍生物

1R, Cis 2,2-dihalovinyl-3,3-dimethylcyclopropylmethanol and ester
derivatives
摘要:
Preparation of novel alkyl 2,2-dihalovinylcyclopropylacetates (intermediates in the preparation of insecticides) by reaction of a phosphine with a compound generating a dihalocarbene and reaction of the product resulting therefrom with an alkyl formylcyclopropylacetate, both reactions being carried out in a solvent.
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