Spruceanumines A and B, novel plumeran indole alkaloids from Aspidosperma spruceanum(Apocynaceae)

Two novel indole alkaloids with plumeran skeleton, spruceanumines A (1) and B (2), and eight known indole alkaloids, aspidospermidine (3), demethoxypalosine (4), aspidocarpine (5), aspidolimine (6), fendlerine (7), aspidolimidine (8), obscurinervidine (9) and obscurinervine (10) were isolated from s...

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Published in:Journal of the Brazilian Chemical Society 2009, Vol.20 (4), p.753-759
Main Authors: Oliveira, Vilma B., Vieira, Ivo J. Curcino, Braz-Filho, R., Mathias, Leda, Lopes, Norberto P., Crotti, Antonio E. M., Uchôa, Daniel E. de A.
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CHEMISTRY, MULTIDISCIPLINARY
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container_issue 4
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container_title Journal of the Brazilian Chemical Society
container_volume 20
creator Oliveira, Vilma B.
Vieira, Ivo J. Curcino
Braz-Filho, R.
Mathias, Leda
Lopes, Norberto P.
Crotti, Antonio E. M.
Uchôa, Daniel E. de A.
description Two novel indole alkaloids with plumeran skeleton, spruceanumines A (1) and B (2), and eight known indole alkaloids, aspidospermidine (3), demethoxypalosine (4), aspidocarpine (5), aspidolimine (6), fendlerine (7), aspidolimidine (8), obscurinervidine (9) and obscurinervine (10) were isolated from stem bark and seeds methanolic extracts of Aspidosperma spruceanum. Compounds structures were elucidated on the basis of spectroscopic data, mainly those obtained by ¹H and 13C NMR (1D and 2D) and mass spectrometry.
doi_str_mv 10.1590/S0103-50532009000400019
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title Spruceanumines A and B, novel plumeran indole alkaloids from Aspidosperma spruceanum(Apocynaceae)
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