Crystal structure of 2-(2,3-dimethoxynaphthalen-1-y1)-3-hydroxy-6-methoxy-4H-chromen-4-one

被引：7

作者：

Ahn, Seunghyun ^{[1
]}

Lim, Yoongho ^{[1
]}

Koh, Dongsoo ^{[2
]}

机构：

[1] Konkuk Univ, BMIC, Div Biosci & Biotechnol, Seoul 143701, South Korea

[2] Dongduk Womens Univ, Dept Appl Chem, Seoul 136714, South Korea

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2015年 / 71卷

关键词：

crystal structure; flavonol; hydrogen bonding; fluorescence;

D O I：

10.1107/S2056989015018861

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In the title compound, C22H18O6, the dimethoxy-substituted naphthalene ring system is twisted relative to the 4H-chromenon skeleton by 88.96 (3)degrees. The two methoxy substituents are tilted from the naphthalene ring system by 1.4 (4) and 113.0 (2)degrees, respectively. An intramolecular O-H center dot center dot center dot O hydrogen bond closes an S(5) ring motif. In the crystal, pairs of O-H center dot center dot center dot O hydrogen bonds form inversion dimers with R-2(2)(10) loops and C-H center dot center dot center dot O interactions connect the dimers into [010] chains.

引用

收藏

页码：O842 / U405

页数：10

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