1,2,3-Trimethoxy-4-[(E)-2-phenylvinyl]benzene and (E,E)-1,4-bis(2,3,4-trimethoxyphenyl)buta-1,3-diene

被引：2

作者：

Santos, Jana Sopkova-de Oliveira ^{[1
]}

Bazin, Marc-Antoine ^{[1
]}

Lohier, Jean-Francois ^{[2
]}

El Kihel, Laila ^{[1
]}

Rault, Sylvain ^{[1
]}

机构：

[1] Univ Caen, CNRS, CERMN, INC3M,EA 3915,FR 3038, F-14032 Caen, France

[2] Univ Caen, ENSICAEN, CNRS, Lab Chim Mol & Thioorgan,UMR 6507, F-14050 Caen, France

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2009年 / 65卷

关键词：

TRANS-STILBENE; 1,2-DIARYLETHENES; FLUORESCENCE; RESVERATROL;

D O I：

10.1107/S0108270109019702

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The stilbene derivative 1,2,3-trimethoxy-4-[(E)-2-phenylvinyl]benzene, C17H18O3, (I), and its homocoupling co-product (E, E)-1,4-bis(2,3,4-trimethoxyphenyl) buta-1,3-diene, C22H26O6, (II), both have double bonds in trans conformations in their conjugated linkages. In the structure of stilbene (I), the aromatic rings deviate significantly from coplanarity, in contrast with coproduct (II), the core of which is rigorously planar. The deviation in stilbene (I) seems to be driven by intermolecular electrostatic interactions. Diene (II) sits on a crystallographic inversion centre, which bisects the conjugated linkage.

引用

页码：O311 / O313

页数：3

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