Heterogeneous Enantioselective Hydrogenation of Aromatic Ketones Catalyzed by Rh Nanoparticles Immobilized in Ionic Liquid
Sign Up to like & getrecommendations! Published in 2019 at "Catalysis Letters"
DOI: 10.1007/s10562-019-02768-w
Abstract: Rhodium nanoparticles (Rh NPs) stabilized by natural cinchona alkaloids were synthesized in imidazolium-based ionic liquids using H2 as the reductant. Characterization showed well-dispersed Rh NPs of about 1.96 nm (TEM and HRTEM) and confirmed the ionic… read more here.
Keywords: enantioselectivity; ionic liquid; chemoselectivity; hydrogenation ... See more keywords
Enhancing Effect of Residual Capping Agents in Heterogeneous Enantioselective Hydrogenation of α-keto Esters over Polymer-Capped Pt/Al2O3
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DOI: 10.1021/acscatal.0c04255
Abstract: Heterogeneous enantioselective catalysis is considered a promising strategy for the large-scale production of enantiopure chemicals. In this work, polymer-capped Pt nanocatalysts having a uniform s... read more here.
Keywords: polymer capped; residual capping; effect residual; enhancing effect ... See more keywords
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.
Sign Up to like & getrecommendations! Published in 2017 at "Chemical communications"
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