Macroline, talpinine, and sarpagine alkaloids from Alstonia penangiana. An NMR-based method for differentiating between A. penangiana and A. macrophylla
Fourteen previously undescribed alkaloids comprising two N-1-hydroxymethylmacroline alkaloids, one talpinine-type oxindole acetal, a pair of equilibrating talpinine-type oxindole hemiacetals, eight oxidized derivatives of sarpagine- and akuammiline-type indole alkaloids, in addition to alstochalotin...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Published: |
Elsevier
2020
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/24656/ https://doi.org/10.1016/j.phytochem.2020.112391 |
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