γ-Alkylation of α′-(phenylsulfonyl)-α,β-unsaturated ketones: The trianion imperative
作者:Peter T Lansbury、Ciro J Spagnuolo、Erich L Grimm
DOI:10.1016/s0040-4039(00)84627-4
日期:——
γ-alkylation of the title compounds with primary alkyl iodides is possible only when both α′-protons are first ionized with excess lithium diisoproylamide.