Photocycloaddition reactions of 2-acylcyclohex-2-enones

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Abstract

The newly synthesized 2-acylcyclohex-2-enones 1 photocycloadd selectively to the C-C triple bond of 2-methylbut-1-en-3-yne giving diacylcyclobutene derivatives 4 and 5, and they react with 2,3-dimethylbut-2-ene in an overall [4+2]-photocycloaddition to afford benzopyranones 7.

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Original languageEnglish
DOIs
Publication statusPublished - 2001