Alternative cyclisation of 3α- and 3β- indole alkaloid glucosides
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 8,p. 295-296
- https://doi.org/10.1039/c39750000295
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).Keywords
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