✦ LIBER ✦
Acylated manoyl oxide diterpenes of Stemodia trifoliata
✍ Scribed by Wildson Max B. da Silva; Edilberto R. Silveira; Otilia Deusdênia L. Pessoa
- Book ID
- 102531532
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 101 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0749-1581
- DOI
- 10.1002/mrc.2597
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✦ Synopsis
Abstract
Two new labdane diterpenes, 6α‐malonyloxy‐ethyl ester manoyl oxide and bis‐6α‐dioxymanoylmalonate, together with the known 6α‐hydroxymanoyl oxide, 6α‐malonyloxymaloyl oxide and betulinic acid were isolated from leaves of Stemodia trifoliata. Their structures were elucidated by spectroscopic studies (IR and HR‐ESI‐MS), including an extensive NMR (COSY, HSQC, HMBC and NOESY) analysis. Copyright © 2010 John Wiley & Sons, Ltd.