Synthesis of tetrahydro-β-carbolines via isomerization of N-allyltryptamines: a metal-catalyzed variation on the Pictet–Spengler theme
作者:Erhad Ascic、Casper L. Hansen、Sebastian T. Le Quement、Thomas E. Nielsen
DOI:10.1039/c2cc17704h
日期:——
An efficient and broadly applicable alternative to the classical Pictet-Spengler synthesis of tetrahydro-beta-carbolines is presented. The method relies on metal-catalyzedisomerization of allylic amines to form reactive iminium intermediates which can be trapped by a tethered indole nucleophile.