Synthesis of pyrrolizidine bases by highly diastereoselective and regioselective catalytic carbon-hydrogen insertion reactions of chiral pyrrolidinediazoacetamides
作者:Michael P. Doyle、Alexey V. Kalinin
DOI:10.1016/0040-4039(96)00056-1
日期:1996.2
Pyrrolizidines, (1S, 8S)-1-hydroxypyrrolizidin-3-one and (−)-heliotridane, have been prepared in high yield from diazoacetamides of 2-substituted-pyrrolidines by carbon-hydrogen insertion catalyzed by dirhodium(II) tetrakis[methyl 1-acylmidazolidin-2-one-4(S)-carboxylates].
吡咯烷酮,(1S,8S)-1-羟基吡咯烷并-3-酮和(-)-螺三tri烷,是由二取代的吡啶鎓(Ⅱ)四氢[Ⅱ]催化的碳氢插入,由2-取代的吡咯烷的重氮乙酰胺高产率制备的。 1-酰基咪唑烷基-2-一-4(S)-羧酸盐]。