Improved enantioselection for chiral dirhodium(II) carboxamide-catalysed carbon-hydrogen insertion reactions of tertiary alkyl diazoacetates
作者:Michael P. Doyle、Qi-Lin Zhou、Conrad E. Raab、Gregory H.P. Roos
DOI:10.1016/0040-4039(95)00927-5
日期:1995.7
Enantiocontrol in CH insertion reactions of 3° alkyl diazoacetates, which is highly dependent on the catalyst ligand, is greatly enhanced with the use of dirhodium(II) tetrakis[methyl 1-acetylimidazolidin-2-one-4(S)-carboxylate], Rh2(4S-MACIM)4.
高度依赖于催化剂配体的3°重氮烷基乙酸CH插入反应中的对映体控制通过使用四[甲基1-乙酰基咪唑烷二甲基-2-酮-4(S)-羧酸盐](II)来大大增强],Rh 2(4S-MACIM)4。