An efficient method for the stereoselective synthesis of cis -3-substituted prolines: conformationally constrained α-amino acids
作者:Céline Flamant-Robin、Qian Wang、Angèle Chiaroni、N.André Sasaki
DOI:10.1016/s0040-4020(02)01405-9
日期:2002.12
An efficient synthesis of enantiomerically pure cis-3-substituted prolines is reported. Key steps involve the stereoselective organocuprate addition to the (E)-α,β-unsaturated ester 1, obtained from the Garner's aldehyde, and expedient oxidation–cyclization sequences.
报道了对映体纯的顺式-3-取代的脯氨酸的有效合成。关键步骤涉及从(G )醛获得的(E)-α,β-不饱和酯1的立体选择性有机铜酸酯的添加,以及便利的氧化环化顺序。