Synthesis of Cyclic Organic Carbonates Using Atmospheric Pressure CO2 and Charge-Containing Thiourea Catalysts
Yang Fan, Maximilian Tiffner, Johannes Schörgenhumer, Raphaël Robiette, Mario Waser*, Steven R. Kass*
*Institute of Organic Chemistry, Johannes Kepler University Linz, 4040 Linz, Austria; Institute of Organic Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States, Email: Mario.waserjku.at, kassumn.edu
Y. Fang, M. Tiffner, J. Schörgenhumer, R. Robiette, M. Waser, S. R. Kass, J. Org. Chem., 2018, 83, 9991-10000.
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A series of charge-containing thiourea salts catalyze cycloadditions of epoxides with CO2 under mild conditions to provide cyclic five-membered ring organic carbonates of broad interest from a synthetic, environmental, and green chemistry perspective.
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