Method for tobias acid manufacture

Details Method for tobias acid manufacture Method for tobias acid manufacture

C - Chemistry, Metallurgy

07

C

260/502.7

C07C 309/47 (2006.01) C07C 303/00 (2006.01)

Patent

CA 1051023

AN IMPROVED METHOD FOR TOBIAS ACID MANUFACTURE ABSTRACT OF THE DISCLOSURE The preparation of Tobias acid by the amination of a salt of Armstrong acid in the presence of ammonia and sulfur dioxide is improved and the amount of beta-naphthyl-amine produced as a byproduct reduced by effecting the reaction under specified reaction conditions.

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