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Molecules 2014, 19(3), 3669-3680; doi:10.3390/molecules19033669
Article

Additional New Minor Cucurbitane Glycosides from Siraitia grosvenorii

1,*  and 2
Received: 25 February 2014 / Revised: 14 March 2014 / Accepted: 17 March 2014 / Published: 24 March 2014
(This article belongs to the Section Metabolites)
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Abstract

Continuous phytochemical studies of the crude extract of Luo Han Guo (Siraitia grosvenorii) furnished three additional new cucurbitane triterpene glycosides, namely 11-deoxymogroside V, 11-deoxyisomogroside V, and 11-deoxymogroside VI. The structures of all the isolated compounds were characterized on the basis of extensive NMR and mass spectral data as well as hydrolysis studies. The complete 1H- and 13C-NMR spectral assignments of the three unknown compounds are reported for the first time based on COSY, TOCSY, HSQC, and HMBC spectroscopic data.
Keywords: Siraitia grosvenorii; curcubitaceae; Luo Han Guo; curcubitane glycosides; structure elucidation; NMR; MS Siraitia grosvenorii; curcubitaceae; Luo Han Guo; curcubitane glycosides; structure elucidation; NMR; MS
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Prakash, I.; Chaturvedula, V.S.P. Additional New Minor Cucurbitane Glycosides from Siraitia grosvenorii. Molecules 2014, 19, 3669-3680.

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