Asymmetric induction in acyclic radical reactions: Enantioselective syntheses of α-amino acids via carbon-carbon bond forming radical reactions
作者:David P.G. Hamon、Ralph A. Massy-Westropp、Pasquale Razzino
DOI:10.1016/0040-4020(95)00134-t
日期:1995.4
allyltri-n-butylstannanes via the corresponding radical 2 by the SH2′ mechanism to give (2S) allyl amino acid drrivatives with high diastereoselectivity. The reaction of 1 with triphenyl(1,2-propadienyl)stannane and triphenyl(2-propynyl)stannane gave the (2S) allenyl and (2S) propargyl amino acid derivatives respectively also with high diastereoselectivity but by a different mechanism.
甘氨酸的8-苯基薄荷基N -Boc-2-溴甘氨酸酯衍生物1通过S H 2'机理通过相应的基团2与烯丙基三正丁基锡烷酸酯反应,得到具有高非对映选择性的(2 S)烯丙基氨基酸衍生物。的反应1与三苯基(1,2-丙二烯基)锡烷和三苯基(2-丙炔基)锡烷,得到(2小号)丙二烯基和(2小号)炔丙基氨基酸衍生物分别还具有高非对映选择性,但通过不同的机制。