Tert-octylhydrazine, its salts and derivatives

Details Tert-octylhydrazine, its salts and derivatives Tert-octylhydrazine, its salts and derivatives

C - Chemistry, Metallurgy

07

C

260/470, 260/591

C07C 243/38 (2006.01)

Patent

CA 1266484

Abstract of the Disclosure Mixtures of di-tert-octyldiazene (where tert-octyl refers to 1, 1, 3, 3-tetramethylbutyl) and tert-octyl secondary or primary alkyl diazenes are prepared by reacting mixtures of tert-octylamine and a primary or secondary alkyl primary amine with sulfuryl chloride and oxidizing the resultant mixture of sulfamides with basic bleach. Then, the mixture of diazenes is heated in a chlorinated solvent and the di-tert-octyldiazene decomposes and the unsymmetrical tert-octyldiazene rearranges to a tert-octylhydrazone. The tert-octylhydrazone is extracted out of the solvent with dilute acid, the acid solution extract is heated to 40-50°C, and the ketone that forms is stripped off under reduced pressure. The acid solution is neutralized to form tert- octylhydrazine. The tert-octylhydrazine is an intermediate that can be reacted with various compounds, e.g., ketones, aldehydes, acids, acid chlorides, isocyanates, chloroformates and sulfonyl chlorides to form different t-octylhydrazine derivatives.

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