Highly dispersed copper iodide on activated carbon (CuI/C) solid catalyst has been investigated for the Paal-Knorr condensation of gamma-diketones with aliphatic, aromatic and heterocyclic amines under solvent-free conditions; which lead to the formation of N-substituted pyrrole derivatives in excellent yields. This simple experimental procedure combined with easy recovery and reusability of the catalyst is expected to contribute to the progression of a clean and ecofriendly strategy for the synthesis of N-substituted pyrrole derivatives.