Methods of preparation of 13-cyclohexyl-3-methoxy-6-[methyl-(2-{2-[methyl-(sulphamoyl)-amino]-ethoxy}-ethyl)-carbamoyl]-7h-indolo-[2,1-a]-[2]-benzazepine-10-carboxylic acid and intermediates used therein

摘要

The present invention relates to an improved method for the preparation of 13-cyclohexyl-3-methoxy-6-[methyl-(2-{2-[methyl-(sulphamoyl)-amino]-ethoxy}ethyl)-carbamoyl]-7H-indolo-[2,1-a]-[2]-benzazepine-10-carboxylic acid. The present invention also relates to a new compound, namely tent-butyl (methyl-{2-[2-(methylamino)-ethoxy]-ethyl}-sulphamoyl)-carbamate, used in this improved method.