We describe a simple and rapid method for selective synthesis of 4-thiomethyl-1,3-dioxolan-2-ones promoted by KF/Al2O3 using PEG-400 as solvent under microwave irradiation. The protocol employs 3-O-tosyl glycerol 1,2-carbonate 1 and a diverse array of thiols 2 to afford corresponding 4-thiomethyl-1,3-dioxolan-2-ones 3 in good yield and short reaction time compared with conventional heating methods. Moreover, selective synthesis of 1,3-bis-arylthiopropan-2-ol 4 by a stoichiometric and temperature-controlling reaction is presented.
Research on Chemical Intermediates – Springer Journals
Published: Mar 11, 2016
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