Journal of the Agricultural Chemical Society of Japan

Isolation and Identification of Betulin, Lupeol, and β-Amyrin from the Bird-lime of Trochodendron aralioides Siebold et Zuccarini

K Yagishita

文献索引：Yagishita Bulletin of the Agricultural Chemical Society of Japan, 1957 , vol. 21, p. 77,78

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被引用次数: 4

摘要

Three triterpenoid alcohols: betulin, lupeol, and β-amyrin have now been isolated from the unsaponifiable fraction of the ethereal extract of the bark of Trochodendron aralioides Siebold et Zuccarini (Trochodendraceae). Of these, betulin has been further characterized as allobetulin.“Trochosterin”,“an alcohol of mp 210°”, and “an alcohol (acetate: mp 170°)”, described by earlier groups of workers, have now been confirmed to be nothing other than ...