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 insertionreactions 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.