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US4186146A Hydrogenation of aromatic nitriles to primary amines 失效
将芳族腈氢化成伯胺

Hydrogenation of aromatic nitriles to primary amines
摘要:
In the process of hydrogenating aromatic nitriles to primary amines whereby the nitrile is hydrogenated in a solvent system containing added ammonia using a cobalt or nickel catalyst, the improvement of employing an ether as solvent and carrying out the hydrogenation in the presence of water in an amount of from about 10% to about 20% by volume of the ether solvent whereby the rate of reaction is increased, secondary amine by-products are reduced and catalyst may be recycled without adverse effects.
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