A simple and efficient synthesis of N-substituted imides has been developed by reaction of anhydrides with
aromatic amines using tetra butyl ammonium bromide (TBAB) melt as neutral, cost-effective and recyclable ionic liquid
under solvent-free i. e green conditions at 105°C for 20-45 minutes.
Keywords: Phthalic anhydride, Succinic anhydride, Maleic anhydride, TBAB and ionic liquid, cyclic imides, TBAB, TLC, crystalline solid, 1-Butyl-3-methylimidazolium hydroxide, phthalic anhydride, succinic anhydride, diphenylether, toluene, xylene
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