Stereocontrolled synthesis of α,α-disubstituted α-aminoaldehydes and α-aminoacids using a [3,3] allylic trichloracetimidate rearrangement
作者:Hassan Imogaï、Yves Petit、Marc Larchevêque
DOI:10.1016/0040-4039(96)00393-0
日期:1996.4
Sigmatropic rearrangement of trichloracetimidates derived from syn monoprotected allylic diols 3 resulting from the condensation of vinylalanes or cuprates with α-alkoxyaldehydes afforded diastereomerically pure allylic amines 6. The oxidative cleavage of these amines allowed the access to α,α-disubstituted α-aminoacids in high enantiomeric purity.
衍生自顺式单保护的烯丙基二醇3的三氯乙亚氨酸的Sigmatropic重排,这是由乙烯基丙二酸酯或铜酸酯与α-烷氧基醛的缩合产生的,提供了非对映体纯的烯丙基胺6。这些胺的氧化裂解使得能够以高对映体纯度获得α,α-二取代的α-氨基酸。