“…The most well‐known and classical method for the synthesis of these compounds includes two‐component and three‐component reactions involving primary amines, an oxo‐compound and thiolic acids in the presence of diverse catalysts, such as hexafluorophosphate benzotriazole tetramethyl uronium , N , N ′‐dicyclohexylcarbodiimide , silica gel , [bmim][PF 6 ] , ZnCl 2 , ferrite , Hunig's base , [BmIm]OH , molecular sieves , sodium sulfate , montmorillonite K‐10 , nano‐Fe 3 O 4 @SiO 2 , [Et 3 NH][HSO 4 ] , DBSA , and baker's yeast .…”