Synthesis of (–)-(S)-Norlaudanosine, (+)-(R)-O,O-Dimethylcoclaurine, and (+)-(R)-Salsolidine by Alkylation of an α-Aminonitrile
作者:Frank Werner、Nancy Blank、Till Opatz
DOI:10.1002/ejoc.200700261
日期:2007.8
A short asymmetric synthesis of 1-substituted 1,2,3,4-tetrahydroisoquinoline alkaloids by deprotonation of an unprotected α-aminonitrile and alkylation of the resulting carbanion followed by spontaneous elimination of HCN and asymmetric reduction is described. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)
1-取代的 1,2,3,4-四氢异喹啉生物碱的短不对称合成描述了通过未保护的 α-氨基腈的去质子化和所得碳负离子的烷基化,然后自发消除 HCN 和不对称还原。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)