Method of preparing 2,2'-dithiodianiline

Details Method of preparing 2,2'-dithiodianiline Method of preparing 2,2'-dithiodianiline

C - Chemistry, Metallurgy

07

C

260/597.7

C07C 149/42 (1980.01)

Patent

CA 1088568

INVENTION: METHOD OF PREPARING 2,2'-DITHIODIANILINE INVENTORS: Charles B. Jones and Donald E. Smith ABSTRACT OF THE DISCLOSURE Method of preparing 2,2'-dithiodianiline by the steps of (A) obtaining an agitated mixture of a water solution of a salt of o-aminothiophenol and an unstable dispersion therein of a liquid hydrocarbon, (B) oxidizing said salt by the slow addition of a water soluble peroxide, (C) discontinuing the agitation to allow the formation of a sharply defined lower aqueous phase and upper hydrocarbon phase, (D) drawing off said lower aqueous phase and (E) distilling the hydrocarbon phase therefrom and recovering said 2,2'-dithiodianiline as a distilland.

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