N-Heterocyclic carbene (NHC) catalyzed annulation of enals and vinyl ketones: a novel synthesis of [2H]-pyranones
作者:Vijay Nair、Rony Rajan Paul、K.C. Seetha Lakshmi、Rajeev S. Menon、Anu Jose、C.R. Sinu
DOI:10.1016/j.tetlet.2011.08.157
日期:2011.11
Homoenolate annulation of vinyl ketones led to the synthesis of dihydropyranones in contrast to cyclopentenes obtained by the homoenolate annulation of chalcones, another class of α,β-unsaturated ketones.
与通过另一种α,β-不饱和酮查尔酮的均烯酸酯环化获得的环戊烯相反,乙烯基酮的均烯酸酯环化导致了二氢吡喃酮的合成。