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Additional Minor Diterpene Glycosides from Stevia rebaudiana Bertoni

Organic Chemistry Department, The Coca-Cola Company, Global Research and Development, One Coca-Cola Plaza, Atlanta, GA 30313, USA
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Molecules 2013, 18(11), 13510-13519; https://doi.org/10.3390/molecules181113510
Received: 24 September 2013 / Revised: 26 October 2013 / Accepted: 28 October 2013 / Published: 31 October 2013
(This article belongs to the Section Natural Products Chemistry)
Two additional novel minor diterpene glycosides were isolated from the commercial extract of the leaves of Stevia rebaudiana Bertoni. The structures of the new compounds were identified as 13-{β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-oxy} ent-kaur-16-en-19-oic acid {β-D-xylopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-O-β-D-glucupyranosyl-ester} (1), and 13-{β-D-6-deoxy-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-oxy} ent-kaur-16-en-19-oic acid {β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)-β-D-gluco-pyranosyl-ester} (2), on the basis of extensive 1D (1H- and 13C-) 2D NMR (COSY, HSQC and HMBC) and MS spectroscopic data as well as chemical studies. View Full-Text
Keywords: Stevia rebaudiana; Compositae; Asteraceae; diterpenoid glycosides; spectral data; chemical studies; structure characterization Stevia rebaudiana; Compositae; Asteraceae; diterpenoid glycosides; spectral data; chemical studies; structure characterization
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Prakash, I.; Chaturvedula, V.S.P. Additional Minor Diterpene Glycosides from Stevia rebaudiana Bertoni. Molecules 2013, 18, 13510-13519.

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