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Synthesis of 1,6-Carbazoledicarboxylic and 1,2,3,4-Tetracarbazole-1,6-dicarboxylic Acid Esters

✍ Scribed by N. V. Alekseeva; A. I. Bokanov; L. M. Alekseeva; L. I. Budanova


Book ID
111568441
Publisher
Springer
Year
2003
Tongue
English
Weight
67 KB
Volume
37
Category
Article
ISSN
0091-150X

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2,3,5,6-Tetrachlorobenzene-1,4-dicarboxy
✍ Chen, Qun ;Xie, Yingmei ;Li, Chao ;He, Mingyang ;Chen, Shengchun πŸ“‚ Article πŸ“… 2007 πŸ› International Union of Crystallography 🌐 English βš– 548 KB

The title compound, C 8 H 2 Cl 4 O 4 , was synthesized by the reaction of 2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile and sulfuric acid. The molecule is located across an inversion center. The carboxyl group is tilted with respect to the benzene ring by an angle of 72.42 (7) . Intermolecular O-HÁ