Substituent Effect on the Structure and Photophysical Properties of Phenylamino- and Pyridylamino-2,1,3-Benzothiadiazoles

被引：4
作者：
Sukhikh, T. S. [1 ,2 ]
Khisamov, R. M. [1 ,2 ]
Bashirov, D. A. [1 ,2 ]
Kovtunova, L. M. [2 ,3 ]
Kuratieva, N. V. [1 ,2 ]
Konchenko, S. N. [1 ,2 ]
机构：
[1] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk, Russia
[2] Novosibirsk State Univ, Novosibirsk, Russia
[3] Russian Acad Sci, Boreskov Inst Catalysis, Siberian Branch, Novosibirsk, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2019年 / 60卷 / 10期
关键词：
2; 1; 3-benzothiadiazole; crystal structure; noncovalent interactions; electronic absorption spectroscopy; photoluminescence; 2,1,3-BENZOTHIADIAZOLE DERIVATIVES; SOLAR-CELLS; COMPLEXES; FLUORESCENT; COORDINATION; CHEMISTRY; BEARING;
D O I：
10.1134/S0022476619100135
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
4-Bromo-7-phenylamino-2,1,3-benzothiadiazole (1) and 4-bromo-7-(3-pyridylamino)-2,1,3-benzo thiadiazole (2) are synthesized. Their crystal structure and photophysical properties are studied in comparison with the known phenylamino- and pyridylamino-derivatives of 2,1,3-benzothiadiazole. It is found that the aryl substituent and noncovalent interactions affect the absorption band positions and emission in a solid and a solution. It is shown that under the mechanical action on polycrystalline samples of compounds 1 and 2 a hypsochromic shift of the emission band occurs, which indicates the weakening of noncovalent intermolecular interactions.
引用
收藏
页码：1670 / 1680
页数：11
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