Process for preparing .omega.-lactams, in particular...

Details Process for preparing .omega.-lactams, in particular... Process for preparing .omega.-lactams, in particular...

C - Chemistry, Metallurgy

07

D

260/391, 204/43.

C07D 223/10 (2006.01) B01J 19/18 (2006.01) C07D 201/08 (2006.01) C07D 201/10 (2006.01)

Patent

CA 1138447

ABSTRACT OF THE DISCLOSURE: Process for the preparation of .omega.-lactams (in particular caprolactam) with improved yields, by reaction of cycloaliphatic derivatives having the general formula Image wherein n = 3 - 13 with nitrosating agents in the presence of the dehydrating agents, characterized by the fact that the reaction is carried out a low temperature which is constant between stages and in all the zones of a stage and with particular concentrations of the dehydrating agent.

362458

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