1-hydroxy-2,3,4,7-tetramethoxyxanthone from Swertia Chirayita

被引:10
作者
Shi, GF
Lu, RH [1 ]
Yang, YS
Li, CL
Yang, AM
Cai, LX
机构
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, Key Lab Nat Med Gansu Prov, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ Sci & Technol, Coll Petrochem, Lanzhou 730050, Gansu, Peoples R China
[3] Lanzhou Univ, Ctr Anal & Measurement, Lanzhou 730000, Gansu, Peoples R China
来源
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2004年 / 60卷
关键词
D O I
10.1107/S1600536804009171
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The title compound, 1-hydroxy-2,3,4,7-tetramethoxy-9H-xanthen9-one, C17H16O7, was isolated from Swertia Chirayita and is found to be planar with only two of the methoxy substituents lying out of the plane of the molecule.
引用
收藏
页码:O878 / O880
页数:3
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