Controlled synthesis of 1-vinylnaphthalenes versus (E)-α-(1,3-enyn-4-yl)-α,β-unsaturated esters from Morita-Baylis-Hillman bromides: a sequential alkynylation and competitive 6Ï-electrocyclization versus conjugative transposition of a triple bond
Keywords: Morita-Baylis-Hillman bromides; Vinylnaphthalenes; Dienynes; Alkynylation; 6Ï-Electrocyclization;