Structural investigations on four heterocyclic Disperse Red azo dyes having the same benzothiazole/azo/benzene skeleton

被引：29

作者：

Geng, Jiao ^{[1
]}

Tao, Tao ^{[1
]}

Fu, Shu-Jun ^{[1
]}

You, Wei ^{[1
]}

Huang, Wei ^{[1
]}

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, Nanjing Natl Lab Microstruct, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China

来源：

DYES AND PIGMENTS | 2011年 / 90卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Disperse azo dyes; CI Disperse Red 145; CI Disperse Red 152; CI Disperse Red 153; pi-pi Stacking interactions; CRYSTAL-STRUCTURE;

D O I：

10.1016/j.dyepig.2010.11.008

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Four heterocyclic Disperse Red azo dyes having the same benzothiazole/azo/benzene skeleton, namely three classical C.I. Disperse Red 145, 152 and 153 (1-3) and another C.I. Disperse Red 153 substitute (4), have been structurally characterized and compared in this paper. X-ray single-crystal diffraction analyses reveal that they have similar planar molecular conformation between azo and aromatic units but dissimilar crystal packing fashions. In addition, different ratios of isomers have been found in the co-crystals of 3 and 4. To the best of our knowledge, this is the first structural report about the azo dyes having the benzothiazole/azo/benzene skeleton as well as co-crystal structures. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：65 / 70

页数：6

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