Process for the preparation of N,N' -carbonylbislactams
The invention relates to a process for the preparation of N,N′-carbonylbislactams by reaction of phosgene with at least one lactam which is characterized in that the tertiary amine is chosen from the group consisting of non-nucleophilic aliphatic tertiary amines. N,N′-Carbonylbislactams of high purity are thus obtained with good yields, both in the laboratory and on the industrial scale.
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(2008/06/13)
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