Photocycloaddition reactions of 2-acylcyclohex-2-enones
作者:Leticia Oliveira Ferrer、Paul Margaretha
DOI:10.1039/b009692j
日期:——
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.