Reductive Conjugate Addition of Haloalkanes to Enones To Form Silyl Enol Ethers
作者:Ruja Shrestha、Daniel J. Weix
DOI:10.1021/ol200881v
日期:2011.5.20
A new method is presented for tandem reductiveconjugate addition and silyl enol ether formation from cyclic and acyclic enones and enals in the presence of a Mn reductant, a Ni(terpyridine) catalyst, and a trialkylchlorosilane. The addition of secondary, tertiary, and hindered primary haloalkanes is demonstrated. Preliminary studies on the mechanism show that the intermediacy of L1(Ni)(η3-1-triet