Process for preparing primary amines from aldehydes

Details Process for preparing primary amines from aldehydes Process for preparing primary amines from aldehydes

C - Chemistry, Metallurgy

07

C

C07C 209/26 (2006.01) C07C 211/03 (2006.01) C07C 211/27 (2006.01) C07C 213/00 (2006.01) C07C 217/58 (2006.01) C07C 227/08 (2006.01) C07C 229/08 (2006.01) C07D 207/335 (2006.01) C07D 213/38 (2006.01) C07D 317/58 (2006.01)

Patent

CA 2125346

Process for preparing primary amines from aldehydes by mixing an aldehyde with a diluent, where in the case of an alcohol or of water as diluent the mixing temperature is at most 5°C to prevent the formation of the hemiacetal or the aldehyde hydrate, and bringing the mixture into contact with a mixture of ammonia, hydrogen and hydrogenation catalyst, whereby the formation of an imine is prevented, at temperatures of from 60 to 180°C and pressures of from 20 to 60 bar, at least 15 mol of ammonia being used per mol of aldehyde group, and also an apparatus for carrying out the process.

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