Process for the preparation of .omega.-lactams, in particular ca

Details Process for the preparation of .omega.-lactams, in particular ca Process for the preparation of .omega.-lactams, in particular ca

1980-10-21

1982-09-14

Bond, Robert T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603265FN, 546243, C07D20110

Patent

active

043494730

ABSTRACT:
Process for the preparation of .omega.-lactams (in particular caprolactam) ith improved yields, by reaction of cycloaliphatic derivatives having the general formula: ##STR1## wherein n=3-13 with nitrosating agents in the presence of 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.

REFERENCES:
patent: 3022291 (1962-02-01), Muench et al.
patent: 3328393 (1967-06-01), Ribaldone et al.
patent: 3328394 (1967-06-01), Ribaldone et al.
patent: 3356675 (1967-12-01), Muench et al.

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