1,3-Dithiolium Salts, Se and Te and Benzoannulated Analogues

Abstract

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2-N,N-Dialkylamino-1,3-Dithiolium Salts

“…The synthesis and reactivity of 1,3-dithiolium salts, as well as sulfur, selenium and condensed cycles analogues, has been updated from the perspective of condensation, cyclization, protonation and elimination reactions. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] : : The experimental method described above has been improved in terms of milder reaction conditions and higher yields by using a sulfuric acid: acetic acid (1: 3 v/v) mixture as cyclization agent. A wide variety of 1,3-dithiolium salts 15 was synthesized from the corresponding phenacyl dithiocarbamates.…”