Retropinacol rearrangement in the synthesis of 3,3,4-trimethyl-3,4-dihydroisoquinoline derivatives
作者:Yu. V. Shklyaev、M. Yu. Gilev、O. A. Maiorova
DOI:10.1134/s107042800912015x
日期:2009.12
Three-component condensation of veratrole with pivalaldehyde and nitriles (ethyl cyanoacetate, cyanoacetamide, and benzonitrile) in concentrated sulfuric acid leads to the formation of 1-substituted 6,7-dimethoxy-3,3,4-trimethyl-3,4-dihydroisoquinolines.