Dithioacetal as a 1,1-zwitterion synthon. Synthesis of functionalized alkenes by the coupling of benzylic dithioacetals with another 1,1-zwitterion synthon
作者:Hai-Yang Tu、Yi-Hung Liu、Yu Wang、Tien-Yau Luh
DOI:10.1016/j.tetlet.2004.12.016
日期:2005.1
Reaction of a dithioacetal sequentially with BuLi and alkyl bromide having an electron withdrawing substituent at the α-position followed by treatment with neutral alumina gives the corresponding olefination product in moderate to good yields.