Reaction of \a-haloketones with silver powder

Abstract

a-Bromoacetophenone and its ring-substituted derivatives were treated with silver powder and KI in anhydrous acetone to give a mixture of a,b-epoxy ketone, 1,2,3-triaroylcyclopropane, 2,4-diarylfuran, 1, 4-diketone and other products separated by column chromatog. The reaction of a-bromoacetophenone with PhCHO and 1,4-diphenylbut-2-en-1,4-dione in the presence of silver powder and KI in acetone gave epoxyketone I and cyclopropane II resp.

Key words: EPOXIDATION REACTION, REACTION MECHANISM, SILVER, POTASSIUM IODIDE, FURAN P, CYCLOPROPANE P, ACETOPHENONE P, HALOHYDROCARBON, BUTANEDIONE P, BENZOYL GROUP

CLC Number:

O621

Cite this article

HU HONGWEN;CHEN WEIXING;TAO MING;GAO JIYU. Reaction of \a-haloketones with silver powder[J]. Acta Chimica Sinica, 1987, 45(2): 204-207.

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