Heterocyclic cycloproparenes: 5H-cycloprop[f]isobenzofuran and 5H-cyclopropa[f][2]benzothiophene
作者:Ian J Anthony、Dieter Wege
DOI:10.1016/s0040-4039(00)95584-9
日期:——
The title compounds have been prepared from the Diels - Alder adducts of 1,2-dibromocyclopropene with 3,4-bis(methylene)-tetrahydrofuran and 3,4-bis(methylene)-tetrahydrothiophene by a sequence involving dehydrogenation and dehydrobromination.