Cycloadditions of a carbonyl ylide from 2,3-dicyano-2,3-diphenyloxiran
作者:Helmut Hamberger、Rolf Huisgen
DOI:10.1039/c29710001190
日期:——
trans- and cis-Dicyanostilbene oxides establish an equilibrium at 100–120°via carbonylylides; the carbonylylide intermediate is a 1,3-dipole and undergoes cycloadditions with a variety of acetylenic and olefinic dipolarophiles.