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Oxindole alkaloids from Alstonia macrophylla


Phytochemistry (Oxford) 41(1): 313-315
Oxindole alkaloids from Alstonia macrophylla
Two new oxindole alkaloids, N-b-demethyialstophyllal oxindole and alstonal, together with three known alkaloids, N-b-demethylalstophylline oxindole, alstonisine and talcarpine, have been isolated from the bark of Alstonia macrophylla. Structures of the alkaloids were assigned by spectral methods.

Accession: 002914166

DOI: 10.1016/0031-9422(96)81092-2

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