1. addition of indoles to b - nitrostyrenes catalyzed by HY zeolite under solvent - free conditions;Mariappan;Tetrahedron Lett,2014
2. - catalyzed efficient synthesis of enaminones and enamino esters under solvent - free conditions Monats;Lin;Chem,2007
3. Hexamethylenetetraamine - bromine catalyzed rapid and efficient synthesis of bis indolyl methanes;Bandgar;Chem,2004
4. Hexamethylenetetraamine - bromine catalyzed rapid and efficient synthesis of bis indolyl methanes;Bandgar;Chem,2004
5. - catalyzed efficient synthesis of enaminones and enamino esters under solvent - free conditions Monats;Lin;Chem,2007