Generation of the Selenonium Ylide by the Carbenic Reaction. Formation of Cyclopropane Derivatives via Selenonium Ylide

Article abstract of DOI:10.1246/bcsj.59.929

The Cu(acac)2-catalyzed decomposition of α-diazoacetophenones in the presence of bis(p-methoxy-phenyl) selenide (3) did not give the corresponding selenonium ylide but gave r-l,c-2,t-3-tribenzoylcylopropanes through the successive reaction of the intermed