عنوان Synthesis of 1,4-Dihydropyridines under Solvent-free Conditions نوع پژوهش مقاله چاپشده کلیدواژهها ethyl acetoacetate, 1,4-dihydropyridines, solvent-free conditions چکیده Ethyl acetoacetate and a range of aldehydes in the presence of ammonium acetate are converted into 1,4-dihydropyridines under mild and solvent-free conditions with good to excellent yields. پژوهشگران