Patent Details

Patent ID: CN200910309727.7

A liquid-phase hydrogenation step in the synthesis of caprolactam cyclohexane by nitro

Description: A, starting from nitrocyclohexane nitrocyclohexane by liquid-phase hydrogenation step synthesis of caprolactam methods, the role of hydrogen pressure and complex catalytic system 0.1-2.0MPa between step synthesis of caprolactam; the complex catalyst system is a mixture of a supported catalyst and a triazine-based compound and carboxamides thereof. The method of the present invention, mild reaction conditions, and greatly simplifies the process.

Patent Details:

DOI: C07D223 / 10 (2006.01) I; C07D201 / 02 (2006.01) I