[Cl:1][C:2]1[CH:7]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:5]=[C:4]([Cl:12])[C:3]=1[NH:13][N:14]=[C:15]([CH2:18][C:19]#[N:20])[C:16]#[N:17].C(=O)(O)[O-].[Na+].C(=O)([O-])[O-].[Na+].[Na+].[OH-].[Na+]>CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)C.[Cl-].ClCCl>[NH2:20][C:19]1[N:13]([C:3]2[C:2]([Cl:1])=[CH:7][C:6]([C:8]([F:10])([F:11])[F:9])=[CH:5][C:4]=2[Cl:12])[N:14]=[C:15]([C:16]#[N:17])[CH:18]=1A solution of 2-(2,6-dichloro-4-trifluoromethylphenylhydrazono)succinonitrile (1.0 g) and sodium bicarbonate (40 ml of a saturated aqueous solution) and dichloromethane (915 ml) was stirred at 20° C. for 3 hours at pH 9. Sodium carbonate solution was then added until the pH was 11 and the stirring continued overnight. A small amount of sodium hydroxide solution was added to give a pH of 12, followed three hours later by a small quantity of Aliquat 336 (trademark, tricaprylylmethylammonium chloride), and after 2 hours the reaction was complete. A dichloromethane extract was washed (water and brine), dried (sodium sulfate) and evaporated to give the title compound.
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