A new method of generation of bismuthonium ylides and their efficient trapping with sulphenes
作者:Takuji Ogawa、Toshihiro Murafuji、Hitomi Suzuki
DOI:10.1039/c39890001749
日期:——
cyclic and open chain 1,3-dicarbonyl compounds; ylides from open chain 1,3-dicarbonyl compounds, which readily decompose on standing to produce C-phenylation product, can be efficiently trapped by sulphenes to afford 1,3-oxathiole-3,3-dioxides in good yields.
氧化铋铋是通过使三苯基氧化铋或二氯化铋与环状和开放链1,3-二羰基化合物的钠盐反应而生成的。来自开链的1,3-二羰基化合物的烷基化物在静置时易于分解产生C-苯基化产物,可以被亚砜有效地捕集,从而以良好的收率得到1,3-氧杂硫醇-3,3-二氧化物。