4-(2-Bromophenyl)-2-phenylpyrano[3,2-c] chromen-5(4H)-one

被引：1

作者：

Gohain, Mukut ^{[1
]}

Loganathan, Nagarajan ^{[1
]}

Bezuidenhoudt, Barend C. B. ^{[1
]}

Roodt, Andreas ^{[1
]}

机构：

[1] Univ Free State, Dept Chem, POB 339, ZA-9300 Bloemfontein, South Africa

来源：

ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2012年 / 68卷

关键词：

data-to-parameter ratio = 17.6; mean ω(C-C) = 0.002 Å; R factor = 0.027; single-crystal X-ray study; T = 100 K; wR factor = 0.068;

D O I：

10.1107/S1600536812044510

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In the title compound, C24H15BrO3, the pyranochromenone ring is essentially planar, while the 2-bromophenyl group is almost perpendicular to it [85.58 (6)degrees]. In the crystal, inversion dimers linked by pairs of weak C-H center dot center dot center dot pi bonds occur; there is also a short interatomic contact found between the Br and carbonyl O atoms [3.016 (1) angstrom].

引用

页码：O3279 / +

页数：11

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