Reactions of Organic Anions; CXLIX. Reactions of gem-Dichlorocyclopropanes Containing an Electron-Withdrawing Substituent with Organic Anions Generated with Phase-Transfer Catalysis

Article abstract of DOI:10.1055/s-1988-27635

gem-Dichlorocyclopropanes 1 react with C-H, O-H and S-H acids in the presence of concentrated sodium hydroxide solution and a phase-transfer catalyst to give gem-disubstituted cyclopropanes 2 or chain products 3 in 44-95percent yield.