Process for synthesis of 4-4'-diamino-diphenyl-sulfone

Details Process for synthesis of 4-4'-diamino-diphenyl-sulfone Process for synthesis of 4-4'-diamino-diphenyl-sulfone

C - Chemistry, Metallurgy

07

C

C07C 315/02 (2006.01)

Patent

CA 2573114

A new process for the preparation and purification of 4-4'-diamino-diphenyl- sulfone (dapsone) is described. The process described is a three step process comprising a condensation reaction with the synthesis of a thioeter intermediate and then steps of oxidation and reduction in suitable conditions in order to obtain a product with good yield and purity.

La présente invention concerne un nouveau processus de préparation de purification de of 4-4'-diamino-diphényl-sulfone (dapsone). Ce processus est un processus en trois étapes qui comprend une réaction de condensation avec la synthèse d'un intermédiaire thioéter puis les étapes d'oxydation et de réduction dans des conditions convenables de façon à obtenir un produit avec un bon rendement est une bonne pureté.

Affiliated with

Also associated with

Rating

Process for synthesis of 4-4'-diamino-diphenyl-sulfone does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for synthesis of 4-4'-diamino-diphenyl-sulfone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for synthesis of 4-4'-diamino-diphenyl-sulfone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1620766