Enantioselective CuH-Catalyzed Anti-Markovnikov Hydroamination of 1,1-Disubstituted Alkenes
作者:Shaolin Zhu、Stephen L. Buchwald
DOI:10.1021/ja509786v
日期:2014.11.12
Enantioselective synthesis of β-chiral amines has been achieved viacopper-catalyzedhydroamination of 1,1-disubstituted alkenes with hydroxylamine esters in the presence of a hydrosilane. This mild process affords a range of structurally diverse β-chiral amines, including β-deuterated amines, in excellent yields with high enantioselectivities. Furthermore, catalyst loading as low as 0.4 mol% could
Asymmetric reductions of .alpha.,.beta.-acetylenic ketones and acetophenone using lithium aluminum hydride complexed with optically active 1,3-amino alcohols
作者:Noal Cohen、Rocco J. Lopresti、Christian Neukom、Gabriel Saucy