Unsaturated nitrogen compounds containing fluorine. Part 10 [1]. Reaction of 2, 5-dichloro-1, 1, 1, 6, 6, 6-hexafluoro-3, 4-diazahexa-2, 4-diene with halide ion and …

AOA Eltoum, NJ O'Reilly, AE Tipping

Index: Eltoum, Ahmed O. A.; O'Reilly, Neil J.; Tipping, Anthony E. Journal of Fluorine Chemistry, 1993 , vol. 65, # 1-2 p. 101 - 110

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Abstract

Abstract The azines CF 3 CR NN CRCF 3 (R F, I, PhO, 2, 4-Cl 2 C 6 H 3 O, PhS and EtO) are formed by treatment of the title dichloroazine 1 with an excess of the appropriate nucleophile, while reaction with phosphorus (V) sulphide at 180 C gives 2, 5-bis (trifluoromethyl)-1, 3, 4-thiadiazole in quantitative yield. In the reaction with NaOEt, the compound CF 3 C (OEt) NN C (ONa) CF 3 is also produced from the NaOH impurity ...