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This work comprises the synthesis of new thioxanthone derivatives containing C-substituted thioxanthone. To obtain these derivatives, the o-mercapto benzoic acid was chosen as the starting material, which was reacted with dry benzene in sulfuric acid (98 %) to produce the thioxanthone (1). The 2,7-(disulfonyl phosphine imine) thioxanthone (4-8) were prepared from reaction of compound (1) with chlorosulfonic acid gave 2,7-(disulfonyl chloride) thioxanthone (2). Treatment of (2) with sodium azide to produce 2,7-(disulfonyl azide) thioxanthone (3). Condensation of (3) with phosphorus compounds afforded compounds (4-8). The 2,7-(disulfonamide) thioxanthone (9-21) was obtained when compound (2) condensed with different aromatic amines, it gave the expected amides (9-21).
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Journal BS. Synthesis and Characterization of New Thioxanthone Derivatives : Souad. M. Al-Araji|Rafid. S. Dawood. Baghdad Sci.J [Internet]. 2013Sep.1 [cited 2021Sep.22];10(3):724-35. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2585