Potassium carbonate supported solventless synthesis of thiohydantoins under microwave irradiation is described. The use of K2CO3 not only eliminates the need for external base to neutralize HCl evolved but enables aqueous work up, thus rendering the reaction procedure free of organic solvents in both the reaction step and work-up, procedure.
Solventless synthesis of thiohydantoins over K2CO3
M. Kidwai, R. Venkataramanan and B. Dave, Green Chem., 2001, 3, 278 DOI: 10.1039/B106034C
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