1, 2, 4-Dithiazole-5-ones and 5-thiones as efficient sulfurizing agents of phosphorus (iii) compounds–a kinetic comparative study
O Ponomarov, AP Laws, J Hanusek
Index: Ponomarov, Oleksandr; Laws, Andrew P.; Hanusek, Jiri Organic and Biomolecular Chemistry, 2012 , vol. 10, # 44 p. 8868 - 8876
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Citation Number: 2
Abstract
The sulfurization efficiency of 25 3-substituted-1, 2, 4-dithiazole-5-ones and 5-thiones towards triphenyl phosphite in acetonitrile, DCM, THF and toluene at 25° C was evaluated. All the 1, 2, 4-dithiazoles are much better sulfurizing reagents than commercially available agents (PADS, TETD, Beaucage's reagent). The most efficient sulfurizing agents in all solvents are 3-phenoxy (4), 3-phenylthio (5) and 3-ethoxy-1, 2, 4-dithiazole-5-one (1) ...
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