Phytochemical studies on Stemona plants: Isolation of stemofoline alkaloids
Six new stemofoline alkaloids, (2′A)-hydroxystemofoline (5), (3′R)-stemofolenol (6), (3′S)-stemofolenol (7), 1′,2′- didehydrostemofoline-AT-oxide (8), the first C19stemofoline alkaloid, methylstemofoline (9), and the first glycosidated Stemona alkaloid, stemofolinoside (10), and three known alkaloid...
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| Main Authors: | , , , , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=30544452979&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/62075 |
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| Institution: | Chiang Mai University |
| Summary: | Six new stemofoline alkaloids, (2′A)-hydroxystemofoline (5), (3′R)-stemofolenol (6), (3′S)-stemofolenol (7), 1′,2′- didehydrostemofoline-AT-oxide (8), the first C19stemofoline alkaloid, methylstemofoline (9), and the first glycosidated Stemona alkaloid, stemofolinoside (10), and three known alkaloids, (2′S)-hydroxystemofoline (2), (HZ)-1′,2′-didehydrostemofoline (3), and (11E)-1′, 2′-didehydrostemofoline (4), have been isolated from a root extract of an unidentified Stemona species. The structure and relative configuration of these new alkaloids have been determined by spectral data interpretation and from semisynthetic studies. © 2005 American Chemical Society and American Society of Pharmacognosy. |
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