Fluorinated 1,3λ4δ2,2,4-Benzodithiadiazines − A Synthetic, Structural and Theoretical Study
✍ Scribed by Alexander Yu. Makarov; Irina Yu. Bagryanskaya; Frank Blockhuys; Christian Van Alsenoy; Yuri V. Gatilov; Vladimir V. Knyazev; Alexander M. Maksimov; Tatiana V. Mikhalina; Vyacheslav E. Platonov; Makhmut M. Shakirov; Andrey V. Zibarev
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 183 KB
- Volume
- 2003
- Category
- Article
- ISSN
- 1434-1948
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## Abstract In contrast to thermolysis of 1,3λ^4^δ^2^,2,4‐benzodithiadiazine (**1**) and its 5,6,7,8‐tetrafluoro derivative **2** in dilute (10^–3^ M) hydrocarbon solutions, which leads to persistent 1,2,3‐benzodithiazolyls in nearly quantitative yields, the thermolysis of **1** and **2** (the 6‐6
The gas-phase molecular structures of 1,3l 4 d 2 ,2,4-benzodithiadiazine and 5,6,7,8-tetrafluoro-1,3l 4 d 2 ,2,4benzodithiadiazine have been investigated by ab initio calculations and electron diffraction using the SARA-CEN method of structural analysis. Important structural parameters (r h1 structu