Heterogeneous enantioselective synthesis of chromans via the oxa-Michael-Michael cascade reaction synergically catalyzed by grafted chiral bases and inherent hydroxyls on mesoporous silica surface.
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DOI: 10.1039/c7cc03556j
Abstract: A heterogeneous enantioselective oxa-Michael-Michael reaction for the synthesis of chromans has been developed on a heterogeneous acid-base synergic catalyst with inherent silica as acidic sites and immobilized chiral amines as basic sites. Final products were… read more here.
Keywords: oxa michael; michael michael; michael; synthesis chromans ... See more keywords