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2-Polyfluoroalkylchromones. 14. Synthesis of 4-chloro-3(5)-(2-hydroxyaryl)-5(3)-polyfluoroalkylpyrazoles |
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| Authors: | Sosnovskikh V Ya Usachev B I Sizov A Yu |
| Institution: | (1) A. M. Gorky Ural State University, 51 prosp. Lenina, 620083 Ekaterinburg, Russian Federation |
| Abstract: | 3-Chloro-2-polyfluoroalkyl- and 3-chloro-6-nitro-2-polyfluoroalkylchromones were synthesized. These compounds react with N2H4·2HCl on boiling in ethanol to form 4-chloro-3(5)-(2-hydroxyaryl)-5(3)-polyfluoroalkylpyrazoles. |
| Keywords: | 3-chloro-2-polyfluoroalkylchromones hydrazine dihydrochloride 4-chloro-3(5)-(2-hydroxyaryl)-5(3)-polyfluoroalkylpyrazoles |
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