Title Facile Synthesis of Bis(indolyl)methanes Using LaCl 3 ·7H 2 O as a Mild and Efficient Catalyst in Molten Salt Media Type Article Keywords Bis(indolyl)methane, lanthanum chloride, molten salt, tetraethylammonium chloride Abstract Efficient electrophilic substitution reaction of indole with various carbonyl compounds were carried out using a catalytic amount of LaCl3 7H2O in molten tetraethylammonium chloride as an ionic liquid to afford the corresponding bis(indolyl)methanes in excellent yields. Researchers neda Seyedi (First researcher)Kazem Saidi (Second researcher)Hojatollah Khabazzadeh (Third researcher)