Rutheniumiii-Catalyzed Condensation of Indoles with Indole-3-Carbaldehyde, A Novel Synthesis of Tris(Indolyl)Methanes

K. Tabatabaeian*, N. O. Mahmoodi, M. Ghoraninia and A. Khorshidi

Department of Chemistry, Faculty of Sciences, University of Guilan, P. O. Box: 41335-1914 Iran.

Synthesis of tris(indolyl)methanes through condensation of various indoles with indole-3-carbaldehyde using RuIII as catalyst is reported. It was found that the catalytic system involving RuIII affords the products in good to high yields.

Aldehydes; Tris(Indolyl)methanes; Indoles; Ruthenium