Nickel-Catalyzed Benzylation of Aryl Alkenes with Benzylamines via C–N Bond Activation
作者:Hui Yu、Bin Hu、Hanmin Huang
DOI:10.1021/acs.joc.8b02279
日期:2018.11.16
example of nickel-catalyzed Heck-type benzylation of aryl olefins with various benzylamines as benzyl electrophiles, and the benzylic C–N bond cleavage was efficiently promoted by the amine–I2 charge transfer complex (CT complex). The combination of low-cost NiCl2 and I2 has been found to facilitate Heck reaction of tertiary benzylamines and alkenes into various benzyl-substituted alkenes in good to
Enantioselective Synthesis of Di- and Tri-Arylated All-Carbon Quaternary Stereocenters via Copper-Catalyzed Allylic Arylations with Organolithium Compounds
作者:Sureshbabu Guduguntla、Jean-Baptiste Gualtierotti、Shermin S. Goh、Ben L. Feringa
DOI:10.1021/acscatal.6b01681
日期:2016.10.7
catalyzed synthesis of di- and triarylated all-carbon quaternary stereocenters via asymmetric allylic arylation (AAAr) with aryl organolithium compounds is demonstrated. The use of readily available or easily accessible aryl organolithium reagents in combination with trisubstituted allyl bromides, in the presence of a copper/NHC catalyst, affords important di- and triarylated all-carbon quaternary stereocenters