The invention discloses a kind of preparation method of gliclazide adopt N-amino-1 it is raw material that 2-encircles penta dicarboximide obtains product through hydro-reduction condensation and addition reaction successively the present invention proposes a brand-new synthetic route raw materials used technical maturity ample supply of commodities on the market and wide material sources and respectively walk the reaction conditions gentleness technique is simple hydrogenation adopts catalytic hydrogenation reach the requirement of green production reduced production cost.

暂无附图