Acidic ionic liquids catalyzed three-component synthesis of octahydroquinazolin-2, 5-diones derivatives under ambient and solvent-free conditions

Synthesis of octahydroquinazolin-2,5-diones derivatives by the three component reaction of aromatic aldehydes, dimedone and urea under ambient and solvent-free conditions in the presence of catalytic amount of acidic ionic liquids such as 2-pyrrolidonium hydrogensulfate, N-methyl-2-pyrrolidonium hydrogensulfate, N-methyl-2-pyrrolidonium dihydrogenphosphate and 1,3-disulfonic acid imidazolonium chloride is described

کلیدواژه ها:

aldehyde ، dimedone ، urea ، ionic liquid