Process for the preparation of .omega.-lactams, in particular caprolactam
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United States of America Patent
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Sep 14, 1982
Grant Date -
N/A
app pub date -
Oct 21, 1980
filing date -
Nov 2, 1979
priority date (Note) -
Expired
status (Latency Note)
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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.
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