PREPARATION OF 22222DIHALOVINYL CYCLOPROPANE CRBOXYLIC ACIDS

PURPOSE:An alpha-acyl-UPSILON-halocarboxylic acid derivative or it reaction product with a base is allowed to react with an alkali (ne earth) metal hydroxide in ether to form a title compound useful as an intermediate for insecticides.

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Bibliographische Detailangaben
Hauptverfasser: NEGISHI AKIRA, MATSUI KIYOHIDE, SUGIMOTO KIKUO, KONDOU SEI, TAKAHATA YURIKO
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:An alpha-acyl-UPSILON-halocarboxylic acid derivative or it reaction product with a base is allowed to react with an alkali (ne earth) metal hydroxide in ether to form a title compound useful as an intermediate for insecticides.