Design and synthesis of enantiopure18F-labelled [18F]trifluoromethyltryptophan from 2-halotryptophan derivatives via copper(I)-mediated [18F]trifluoromethylation and evaluation of its in vitro characterization for the serotonergic system imaging
Design and synthesis of enantiopure18F-labelled [18F]trifluoromethyltryptophan from 2-halotryptophan derivatives via copper(I)-mediated [18F]trifluoromethylation and evaluation of its in vitro characterization for the serotonergic system imaging
Mg(ClO4)2-catalyzed intramolecular allylic amination: application to the total synthesis of demethoxyfumitremorgin C
作者:Danfeng Jiang、Zhengren Xu、Yanxing Jia
DOI:10.1016/j.tet.2012.03.097
日期:2012.6
A Mg(ClO4)2-catalyzed intramolecularamination of allylic alcohols with carbamate or sulfonamide nucleophiles to form substituted piperidine and pyrrolidine derivatives has been developed. This method has been successfully applied to the total synthesis of demethoxyfumitremorgin C.