Journal
JOURNAL OF HETEROCYCLIC CHEMISTRY
Volume 45, Issue 5, Pages 1371-1375Publisher
WILEY
DOI: 10.1002/jhet.5570450519
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N-Alkylation of imides in the reaction of imides and alkylhalides, catalyzed by PT catalysts under solvent-free conditions, has been developed. The reaction occurs in the presence of K2CO3, and in many cases it takes place spontaneously. In the N-benzylation reaction, it has been recognized that TBAB (tetrabutylammonium bromide) and TBATFB (tetrabutylammonium tetrafluoroborate) show highest catalytic effect. Versatility and synthetic capacity of the solvent-free alkylation has been confirmed by N-benzylation and N-ethylation of various imides. The developed procedure gives easy access to N-(omega-bromoalkyl)imides.
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