Catalytic Enantioselective Arylation of Aldehydes by Using Functionalized Grignard Reagents Generated from Aryl Bromides
作者:Toshiro Harada、Daisuke Itakura
DOI:10.1055/s-0031-1289854
日期:2011.12
of functionalized diarylmethanols starting from aryl bromides and aldehydes. In the presence of (R)-3-(3,5-diphenylphenyl)BINOL (2 mol%) and titanium tetraisopropoxide, functionalized aryl Grignard reagents (FGArMgCl; FG = 3-F3C, 4-F3C, 3-Br, 3-CN, 4-CN), prepared in situ by treatment of the bromides with i-PrMgCl˙LiCl, undergo addition to aldehydes to give the corresponding functionalized diarylmethanols