Organocatalyzed regioselective and enantioselective synthesis of 1,4- and 1,2-dihydropyridines
作者:Truong-Giang Le、Hoai-Thu Pham、James P. Martin、Isabelle Chataigner、Jean-Luc Renaud
DOI:10.1080/00397911.2020.1778034
日期:2020.9.1
first examples of asymmetric organocatalyzed synthesis of 1,2-dihydropyridines, affording enantioselective access to and partially solving regioselectivity challenges in the synthesis of dihydropyridines. We demonstrate that through modification of organocatalysts both 1,2- and 1,4-dihydropyridines (1,2- and 1,4-DHPs) can be obtained with high regioselectivity (ratio of 1,2-DHP/1,4-DHP from 95/5 to 0/100)