New bifunctional 1,3-diamine organocatalysts derived from (+)-camphoric acid for asymmetric Michael addition of 1,3-dicarbonyl compounds to nitroolefins.
Sign Up to like & getrecommendations! Published in 2022 at "Chirality"
DOI: 10.1002/chir.23424
Abstract: Novel 1,3-diamine-derived bifunctional thiourea and squaramide organocatalysts were synthesized from (+)-camphoric acid. These catalysts were easily obtained in up to two to five synthetic steps, in a flexible approach that facilitates their structure variation. Their… read more here.
Keywords: addition dicarbonyl; asymmetric michael; michael addition; camphoric acid ... See more keywords
Michael Addition of 1,3-Dicarbonyl Derivatives in the Presence of Zeolite Y as an Heterogeneous Catalyst
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Inorganic and Organometallic Polymers and Materials"
DOI: 10.1007/s10904-019-01424-5
Abstract: This paper focuses on the preparation and modification of zeolite Y by different methods. The obtained samples were characterized by X-ray diffraction, X-ray fluorescence, nitrogen adsorption–desorption and zeta potential measurements. The obtained catalysts were tested… read more here.
Keywords: addition; derivatives presence; michael addition; addition dicarbonyl ... See more keywords