Chemistry Letters, Vol.37, No.3, 268-269, 2008
An efficient and green method for the synthesis of oxindole derivatives in water
An environmentally benign method for the synthesis of 3,3-di(3-indolyl)- and 3,3-di(2-pyrrolyl)oxindoles by using various isatins, indoles, and pyrrole in water in excellent yields and high regioselectivity without using any catalyst.