1159987-17-3Relevant academic research and scientific papers
A Synthetic Route to Chiral Benzo-Fused N-Heterocycles via Sequential Intramolecular Hydroamination and Asymmetric Hydrogenation of Anilino-Alkynes
Xu, Cong,Feng, Yu,Li, Faju,Han, Jiahong,He, Yan-Mei,Fan, Qing-Hua
, p. 3979 - 3990 (2019/11/14)
An efficient sequential intramolecular hydroamination/asymmetric hydrogenation reaction under catalysis of a single chiral ruthenium complex or a binary system consisting of achiral gold complex and chiral ruthenium complex has been reported. A diverse range of enantioenriched benzo-fused N-heterocycles, including 1,2,3,4-tetrahydroquinoline, indoline, and 2,3,4,5-tetrahydro-1H-benzo[b]azepine derivatives, were obtained from anilino-alkynes in high yields (up to 98%) with moderate to excellent enantioselectivities (up to 98% ee) under mild conditions. This protocol features good functional group tolerance and high atom economy. Furthermore, this catalytic protocol is applicable to gram-scale synthesis of a naturally occurring alkaloid, (-)-Angustureine.
Consecutive intramolecular hydroamination/asymmetric transfer hydrogenation under relay catalysis of an achiral gold complex/chiral Bronsted acid binary system
Han, Zhi-Yong,Xiao, Han,Chen, Xiao-Hua,Gong, Liu-Zhu
supporting information; experimental part, p. 9182 - 9183 (2009/12/06)
(Chemical Equation Presented) Consecutive hydroamination/asymmetric transfer hydrogenation under relay catalysis of an achiral gold complex/chiral Bronsted acid binary system has been described for the direct transformation of 2-(2-propynyl)aniline deriva
