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2-氯 -5 -氰基吡啶在氨乙醇中 ,1.2～ 1.4kg/cm2氢压下 ,经Sponge Ni催化 ,5 0℃反应生成 2 -氯 -5 -吡啶甲基胺 ,收率 73% ,该法选择性好 ,脱氯等副产物少。 Sponge Ni用 38%的镍铝合金制得。2-氯-5-氰基吡啶用SpongeNi催化氢化制备2-氯-5-吡啶甲基胺@金卫东@周伟澄
2 - chloro - 5 - cyanopyridine in ammonia ethanol at 1.2 ~ 1.4kg / cm2 hydrogen pressure, by Sponge Ni catalytic reaction at 50 ℃ 2 - chloro - 5 - pyridine methylamine yield of 73% The law of selectivity, dechlorination and other by-products less. Sponge Ni is made of 38% nickel-aluminum alloy. Preparation of 2-Chloro-5-picolylamine by SpongeNi Catalytic Hydrogenation of 2-Chloro-5-cyanopyridine @ Jin Weidong @ Weiwei Zhou