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New spirostane saponins and sapogenins from Solanum hispidum seeds

✍ Scribed by Ajit K. Chakravarty; Chitta R. Saha; Satyesh C. Pakrashi


Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
130 KB
Volume
18
Category
Article
ISSN
0031-9422

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## Abstract A careful NMR analysis, especially 1D TOCSY and 1D ROESY, of two refined saponin fractions allowed us to determine the structures of four new saponins from a polar extract of the __Agave brittoniana__ Trel. spp. Brachypus leaves. A full assignment of the ^1^H and ^13^C spectral data for