Synthesis of Sterically Hindered α-Aminonitriles through 1,6-Aza-conjugate Addition of Anilines to δ-Cyano Substituted para-Quinone Methides
Wang Lin, Wang Nan, Qi Yue, Sun Shutao, Liu Xigong, Li Wei, Liu Lei
Chinese Journal of Organic Chemistry . 2020, (11): 3934 -3943 .  DOI: 10.6023/cjoc202004027