ChemInform Abstract: Imidazole‐Promoted Synthesis of N‐Substituted Phthalimide from N, N′‐Disubstituted Ureas in Solventless Conditions. Issue 31 (11th July 2013) - Neves Filho, Ricardo A. W.; Palm‐Forster, Mieder A. T.; de Oliveira, Ronaldo N.