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Recent year, had reported some new boron sodium hydride return to original state systems, like NaBH4/I2, NaBH4/ZnCl2, NaBH4/AlCl3 and so on, enable its to be allowed to use in C=C, functional group the and so on C ≡C, carboxylic acid, acid radical chlorine, amide, nitryl, nitrile base return to original state, and increases certain helps the medicinal preparation also to be allowed the selectivity to return to original state the specific functional group, has developed the application scope. This article through synthesizes the double amine pyridine to match the body: Namely imitates,6- dicarboxylic acid pyridine and the chelidamic acid is the outset raw material, carries on the return to original state by the NaBH4/I2 return to original state system to the double amide pyridine, synthesized two kind of double amines pyridines to match body 2,6- [ the pair (two ethyl aminos) methyl ] the pyridine 4-2,6- [ two ethyl ammonia methyl ] the pyridine. And inspected the additive concentration to the product receiving rate influence .