Synthesis of Indolines via a Domino Cu-Catalyzed Amidation/Cyclization Reaction
作者:Ana Minatti、Stephen L. Buchwald
DOI:10.1021/ol8008792
日期:2008.7.3
A highly efficient one-pot procedure for the synthesis of indolines and their homologues based on a domino Cu-catalyzed amidation/nucleophilic substitution reaction has been developed. Substituted 2-iodophenethyl mesylates and related compounds afforded the corresponding products in excellent yields. No erosion of optical purity was observed when transforming enantiomerically pure mesylates under the
Photoinduced Copper(I)-Catalyzed Cyanation of Aromatic Halides at Room Temperature
作者:Kicheol Kim、Soon Hyeok Hong
DOI:10.1002/adsc.201700213
日期:2017.7.17
copper(I)-catalyzed cyanation of aromatichalides at room temperature has been developed. The sp2 cyanation reaction exhibits outstanding tolerance to functionalgroups including primary amines and carboxylic acids, and chemoselectivity to SN2-reactive alkyl chlorides. Mechanistic investigations indicate that the reaction occurs via a single-electron transfer (SET) between the aryl halide and an excited copper(I)
Described herein is the direct chlorination of carboxylic acids using copper(II) chloride via a gallium(III)-catalyzed reduction in the presence of a hydrosiloxane. During this reductive chlorination, the counteranions of CuCl2 functioned as a chloride source.