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20137-37-5

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The Structure of Rotungenoside, a New Bitter Triterpene Glucoside from Ilex Rotunda
A new bitter triterpene ester glucoside have been isolated along with known bitter triterpene glucoside peduncloside and some minor triterpenes ulsolic acid, rotundic acid, and rotungenic acid from the unripe fruits of Ilex rotunda.The structure was characterized as β-D-glucopyranosyl 3β,19α,24-trihydroxyurs-12-en-28-oate by spectral data and chemical mens.
Nakatani, Munehiro,Hatanaka, Shuichi,Komura, Hajime,Kubota, Takashi,Hase, Tsunao
p. 469 - 473
(2007/10/02)

Studies on constituents of medicinal plants. XVIII. Constituents of the leaves of Clethra barbinervis Sieb. et Zucc.
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Takani,Kubota,Nozawa,Ushiki,Takahashi
p. 981 - 985
(2007/10/11)

Chemical Properties

Melting Point: 272-274℃
Boiling Point: 622.8±55.0 °C(Predicted)
Density: 1.19
PKA: 4.47±0.70(Predicted)
PSA: 97.99000
LogP: 5.17680

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