WebWater is becoming increasingly popular as a medium for organic reactions.1 Apart from the obvious economic and environmental benefits,2 the aqueous medium can have … Web16. jan 2024. · The Lewis acid(LA)-catalyzed Diels–Alder reaction between isoprene and methyl acrylate was investigated quantum chemically using a combined density …
Asymmetric Aza-Diels-Alder reaction mediated by chiral boron …
WebThis catalyst, prepared from FeCl2 and AgBF4, is the first FeII Lewis acid reported for the carbonyl-ene reaction using ethyl trifluoropyruvate. The method was successfully applied to the reaction of various 1,1-disubstituted alkenes with ethyl trifluoropyruvate and to the cyclization of citronellal. WebAn asymmetric aza-Diels-Alder reaction of an imines mediated by an in situ generated chiral boron complex is described. The method is successful with several aldimines and … the meadows st helens
New Strategies for Organic Catalysis: The First Highly …
Webally used Lewis acids are being replaced for organic catalysts with newer classes of Lewis acidic salts. The AlCl 3/FeCl 3-catalysed procedure is also adopted for Diels–Alder … Web26. feb 2016. · The results show promise for broad applications of such C–H acid–derived silylium ion equivalents in asymmetric Lewis acid catalysis. Lewis acid catalysis … Web2 days ago · Design of chiral tin(IV) aryloxide as a mild Lewis acid catalyst for enantioselective Diels–Alder r... Acceleration Effect of Lewis Acid in Allylboration of … the meadows skilled nursing napa