Preparation and purification of antiviral disulfonic acid disodium salt

   
   

The present invention provides a new process and intermediates for the production of antiviral compound 4',4-bis-{4,6-bis-[3-(bis-carbamoyl-methyl-1-sulfamoyl)-phenylamino]-[1,3, 5]triazin-2-ylamino}-biphenyl-2,2'-disulfonic acid and its pharmaceutically acceptable salts.

La actual invención proporciona un nuevo proceso y los intermedios para la producción del compuesto antivirus 4', 4-bis-{4, 6-bis-[3-(bis-carbamoyl-methyl-1-sulfamoyl)-phenylamino]-[1, 3, ácido 5]triazin-2-ylamino}-biphenyl-2,2'-disulfonic y sus sales farmacéutico aceptables.

 
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