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Toxicarioside A. A new cardenolide isolated from Antiaris toxicaria latex-derived dart poison. Assignment of the 1H- and 13C-NMR shifts for an antiarigenin aglycone

✍ Scribed by Christine A. Carter; Robert W. Forney; Elizabeth A. Gray; Amy M. Gehring; Tanya L. Schneider; David B. Young; Charles M. Lovett Jr.; Lincoln Scott; Adam C. Messer; David P. Richardson

Book ID: 104208060
Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 628 KB
Volume: 53
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(97)00895-8

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✦ Synopsis

Bioassay-guided fractionation of the chloroform/methanol extract of a dart poison from Indonesian Borneo (Kalimantan), derived from Antiaris toxicaria latex, has led to the isolation of a new cardenolide, toxicarioside A [1]. The structure of 1 was deduced by analysis of spectroscopic data and has led to the furst assignment of the tH-and J3C-NMR shifts for an antiarigenin aglycone. The bioassay employed to isolate cardenolide 1 involves inhibition of Na+/K+-ATPase and mimics the suspected mode of action of these "cardiac-glycoside" toxins.

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ChemInform Abstract: Toxicarioside A (I)

ChemInform Abstract: Toxicarioside A (I). A New Cardenolide Isolated from Antiaris toxicaria Latex-Derived Dart Poison. Assignment of the 1H- and 13C-NMR Shifts for an Antiarigenin Aglycone.

✍ C. A. CARTER; R. W. FORNEY; E. A. GRAY; A. M. GEHRING; T. L. SCHNEIDER; D. B. YO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 31 KB 👁 2 views

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