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One-pot, three-component synthesis of spiroindoloquinazoline derivatives under solvent-free conditions using ammonium acetate as a dual activating catalyst
- Beyrati, Maryam, Hasaninejad, Alireza
- Tetrahedron letters 2017 v.58 pp. 1947-1951
- ammonium acetate, carbonyl compounds, catalysts, chemical structure, condensation reactions
- The one-pot, three-component synthesis of spiroindoloquinazoline derivatives in good to excellent yields via the condensation reaction of tryptanthrin, CH activated carbonyl compounds and malononitrile under solvent-free conditions in the presence of ammonium acetate is reported.