Tetrahydroxanthones from Mongolian medicinal plant Gentianella amarella ssp acuta

被引:18
|
作者
Lu, Shuangxin [1 ]
Tanaka, Naonobu [1 ,2 ]
Kawazoe, Kazuyoshi [1 ]
Murakami, Kotaro [3 ]
Damdinjav, Davaadagva [4 ]
Dorjbal, Enkhjargal [4 ]
Kashiwada, Yoshiki [1 ]
机构
[1] Univ Tokushima, Grad Sch Pharmaceut Sci, Tokushima 7708505, Japan
[2] Univ Tokushima, Grad Sch Biosci & Bioind, Tokushima 7708513, Japan
[3] Sojo Univ, Fac Pharmaceut Sci, Kumamoto 8620082, Japan
[4] Mongolian Natl Univ Med Sci, Sch Pharmaceut Biomed Sci, Ulaanbaatar 14210, Mongolia
关键词
Tetrahydroxanthone; Gentianella amarella ssp acuta; Gentianaceae; Amarellins A-F; SWERTIA JAPONICA; XANTHONES; CONSTITUENTS; GLUCOSIDE; ASSIGNMENTS;
D O I
10.1007/s11418-016-1015-z
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Two tetrahydroxanthones, 1,3,5S,8S-tetrahydroxy-5,6,7,8-tetrahydroxanthone (1) and 1,3,5R,8S-tetrahydroxy-5,6,7,8-tetrahydroxanthone (2), and six new tetrahydroxanthone glycosides, amarellins A-F (3-8), were isolated from the aerial parts of a Mongolian medicinal plant Gentianella amarella ssp. acuta (Gentianaceae). The structures of 1-8 were elucidated on the basis of spectroscopic analysis, chemical conversion, and ECD calculation. Amarellins A-C (3-5) were assigned as 8-O-beta-d-glucoside, 8-O-beta-d-xyloside, and 1-O-beta-d-glucoside of 1, respectively, while amarellins D-F (6-8) were elucidated to be 8-O-beta-d-xyloside, 1-O-beta-d-glucoside, and 3-O-beta-d-glucoside of 2, respectively.
引用
收藏
页码:780 / 788
页数:9
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