Synthesis of thiosulfonates

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A method for the synthesis of 1,3-dibenzenesulfonylpolysulfane (DBSPS) is described. DBSPS further reacts with boronic acids to afford thiosulfonates.
Y.-F. Jian, W.-C. Zhu, X.-Y. Liu, S.-Y. Tian, J.-H. Han, W. Rao, S.-S. Shen, D. Sheng, S.-Y. Wang, Org. Lett., 2023, 25, 1776-1761.

A trifluoroacetic-acid-mediated desulfurilative sulfonylthiolation of arenes with SS-morpholino dithiosulfonate is based on selective activation of the morpholino group over the tosyl group of the doubly transformable sulfur surrogate. The reaction proceeds through electrophilic aromatic substitution followed by sulfur extrusion.
K. Kanemoto, K. Furuhashi, Y. Morita, T. Komatsu, S.-i. Fukuzawa, Org. Lett., 2021, 23, 1582-1587.