V. M. Berezovskii, G. D. Glebova, N. Fedorova
Mar 1, 1967
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Journal
Chemistry of Heterocyclic Compounds
Abstract
For a study of the diuretic properties of alloxazine, 6-chloro-7-sulfamidoalloxazine (II) has been synthesized for the first time, by condensing 4-chloro-5-sulfamido-o-phenylenediamine with violuric acid, and 6-chloro-7-sulfamidoalloxazine N-oxide (IV) is prepared by oxidizing II with permonosulfuric acid at the instant of formation. The structure of II is shown by splitting it with sulfuric acid to 2-amino-6-chloroquinoxaline.