Yunnanensine type indole and seco stemmadenine-yunnanensine type bisindole alkaloids from the bark of Alstonia scholaris
Two previously undescribed monoterpenoid indole alkaloids, N -formylyunnanensine ( 1 ) and scholaphylline ( 2 ), along with eight known alkaloids, namely, 19,20- E -vallesamine ( 3 ), 19,20- Z -vallesamine ( 4 ), 19,20- E -valles- amine N -oxide ( 5 ), 6,7- seco -19,20 alpha-epoxyangustilobine B ( 6...
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Main Authors: | , , , , , |
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Format: | Article |
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Elsevier
2024
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Online Access: | http://eprints.um.edu.my/45186/ https://doi.org/10.1016/j.phytol.2024.04.003 |
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