3 NEW OLEANENE GLYCOSIDES FROM SOPHORA-FLAVESCENS

被引:28
作者
DING, Y
TIAN, RH
KINJO, JN
NOHARA, T [1 ]
KITAGAWA, I
机构
[1] KUMAMOTO UNIV, FAC PHARMACEUT SCI, OE HONMACHI 5-1, KUMAMOTO 862, JAPAN
[2] OSAKA UNIV, FAC PHARMACEUT SCI, SUITA, OSAKA 565, JAPAN
关键词
SOPHORA-FLAVESCENS; LEGUMINOSAE; SOPHORAFLAVOSIDE; OXYTROGENIN; 3-BETA; 22-BETA; 24-TRIHYDROXYOLEAN-12-EN-29-OIC ACID; BISDEMOSIDE; OLEANENE GLYCOSIDE;
D O I
10.1248/cpb.40.2990
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Three new oleanene glycosides, sophoraflavosides II-IV (2-4) were isolated together with sophoraflavoside I (1) as the corresponding methyl ester forms from Sophorae Radix, the fresh roots of Sophora flavescens AITON (Leguminosae). Their structures have been elucidated as oxytrogenin 3-0-alpha-L-rhamnopyranosyl-(1 --> 2)-beta-D-galactopyranosyl-(1 --> 2)-beta-D-glucuronopyranoside (2), 3-0-alpha-L-rhamnopyranosyl-(1 --> 2)-beta-D-galactopyranosyl-(1 --> 2)-beta-D-glucuronopyranosyl oxytrogenin 22-0-alpha-L-arabinopyranoside (3) and 3-0-alpha-L-rhamnopyranosYl-(1 --> 2)-beta-D-galactopyranosyl-(1 --> 2)-beta-D-glucuronopyranosyl oxytrogenin 22-0-beta-D-glucopyranosyl-(1 --> 2)-alpha-L-arabinopyranoside (4), along with unambiguous characterization as 3beta,22beta,24-trihydroxyolean-12-en-29-oic acid for their sapogenol, named oxytrogenin (5) on the bases of chemical reactions and spectral analyses.
引用
收藏
页码:2990 / 2994
页数:5
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