The tin(II) enolate addition reactions to α, β-unsaturated ketones and quinones
作者:Teruaki Mukaiyama、Nobuharu Iwasawa、Takeshi Yura、R.S.J. Clark
DOI:10.1016/s0040-4020(01)87679-1
日期:1987.1
The reaction of tin(II) enolates with various α ,β-unsaturated carbonyl compounds is examined. When TMSCl is added as an activator of the α,β-unsaturated ketones, the Michael additionreaction proceeds smoothly to give the corresponding 1,4-adduct in good yield. When 1,4-benzoquinone and its mono-imino derivative are employed as acceptors in conjunction with dichloromethylsilane- DMAP activator, a