PARA-AMINO-BENZENE-SULFONAMIDE AND ITS DERIVATIVES

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Abstract
The recent observations of numerous European investigators1that para-amino-benzene-sulfonamide and certain of its chemical derivatives exert a specific chemotherapeutic effect in beta-hemolytic streptococcic infection are of great interest. It will be our purpose in this preliminary communication to offer confirmatory observations to certain of the results already obtained by the aforementioned observers and to add new observations regarding the mode of action of these substances. In the course of our investigations we have used two samples of para-amino-benzene-sulfonamide, one supplied to us by the Jackson Laboratory of E. I. DuPont de Nemours and Company, the other in tablet form under the name of "Prontylin" by the Winthrop Chemical Company. Two derivatives of para-amino-benzene-sulfonamide have also been studied. The first of these, the hydrochloride of 4'-sulfamido-2, 4 diaminoazo-benzene, was labeled "Prontosil tablets," while the second, the disodium salt of 4'-sulfamido-phenyl-2-azo-7-acetylamino-1 hydroxy naphthalene-3, 6-disulfonic acid, was sent to us in a

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