Journal
TETRAHEDRON LETTERS
Volume 50, Issue 9, Pages 1059-1061Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.12.077
Keywords
Indole alkaloids; NMR; leuconotis; Apocynaceae
Categories
Funding
- University of Malaya
- MOSTI, Malaysia
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A tetracyclic ring-opened oxindole alkaloid, possessing an unprecedented ring system incorporating fused piperidine-tetrahydrofuran rings, has been isolated from the Malayan species, Leuconotis griffithii. The structure was established by analysis of the spectroscopic data and a possible biogenetic pathway from an Aspidosperma precursor is presented. (c) 2008 Elsevier Ltd. All rights reserved.
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