dimethylamino-pyridine,a kind of high acylating catalyst,is synthesized in two steps with pyri-dine as raw material, and ethyl acetate as nontoxic solvent.

• 以吡啶为原料；乙酸乙酯做溶剂；两步法合成高效酰化催化剂4-二甲氨基吡啶.