Article ID Journal Published Year Pages File Type
5166494 Phytochemistry 2009 5 Pages PDF
Abstract
Four tetracyclic oxindole alkaloids, 7(R)- and 7(S)-geissoschizol oxindole (1 and 2), 7(R),16(R)- and 7(S),16(R)-19(E)-isositsirikine oxindole (3 and 4), in addition to a taberpsychine derivative, N(4)-demethyltaberpsychine (5), were isolated from the Malayan Tabernaemontana corymbosa and the structures were established using NMR and MS analysis.
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Physical Sciences and Engineering Chemistry Organic Chemistry
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Four tetracyclic oxindole alkaloids and a taberpsychine derivative from a Malayan Tabernaemontana
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