β-Carboline-type indole alkaloid glycosides from Ophiorrhiza trichocarpon

Six new β-carboline-type indole alkaloid glycosides, ophiorrhisides A-F (1-6), were isolated from Ophiorrhiza trichocarpon (Rubiaceae) collected in Thailand. Ophiorrhisides A (1) and B (2) possess a lactam function in the C ring and a unique biose residue in the molecule. Ophiorrhiside F (6) has a h...

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Main Authors: Kitajima M., Ohara S., Kogure N., Santiarworn D., Takayama H.
格式: Article
語言:English
出版: 2014
在線閱讀:http://www.scopus.com/inward/record.url?eid=2-s2.0-84884670860&partnerID=40&md5=b1c380a211e3687192152aee5dc53486
http://cmuir.cmu.ac.th/handle/6653943832/4702
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總結:Six new β-carboline-type indole alkaloid glycosides, ophiorrhisides A-F (1-6), were isolated from Ophiorrhiza trichocarpon (Rubiaceae) collected in Thailand. Ophiorrhisides A (1) and B (2) possess a lactam function in the C ring and a unique biose residue in the molecule. Ophiorrhiside F (6) has a highly oxidized C ring with a 1,2-dicarbonyl function at C-5 and C-6 positions as well as a double bond between C-3 and C-14. © 2013 Elsevier Ltd. All rights reserved.