The treatment of selenonium N-p-toluenesulfonimides and selenoxides except diphenyl selenoxide with active methylene compounds readily afforded the corresponding stable selenonium ylides in relatively high yields.
The Reaction of Dibenzylselenonium Ylides with Various Acids
作者:Seizo Tamagaki、Katsuyuki Tamura、Seizi Kozuka
DOI:10.1246/bcsj.51.333
日期:1978.1
Dibenzylselenonium cyano(methoxycarbonyl)methylide and dibenzylselenonium dicyanomethylide react readily with strong acids at room temperature, giving 1,3-diselena compounds and active methylene compounds.