Alternative cyclisation of 3α- and 3β- indole alkaloid glucosides

Abstract
Under acidic conditions dihydromancunine (2) can be obtained directly from 3β-dihydrovincoside (1c) by cyclisation of N-4 to C-21, whereas 3α-strictosidine (1a) affords a novel N-1 cyclised derivative, nacycline (6).

This publication has 0 references indexed in Scilit: