Elaboration of 1-benzoyltetrahydroisoquinoline derivatives employing a Pictet–Spengler cyclization with α-chloro-α-phenylthioketones. Synthesis of O-methylvelucryptine
作者:Claudio C Silveira、Carmem R Bernardi、Antonio L Braga、Teodoro S Kaufman
DOI:10.1016/s0040-4039(01)01998-0
日期:2001.12
N-tosyl-β-phenethylamines with α-chloro-α-phenylthioketones, leading to 1-benzoyl- and 1-pivaloyl-tetrahydroisoquinolines under modified Pictet–Spengler conditions, is described. The synthesis of O-methylvelucryptine employing this transformation as a key step is reported.
的反应Ñ -tosyl-β-苯乙胺与α氯代-α-phenylthioketones,改性的Pictet-格勒条件下导致1苯甲酰基和1-新戊酰四氢异喹啉,进行说明。报道了使用该转化作为关键步骤的O-甲基维隐氨酸的合成。