aDepartment of Chemistry, School of Sciences, Azzahra University, Vanak, Tehran, Iran;bDepartment of Chemistry, Islamic Azad University-Mashhad Branch, Mashhad, Iran
Abstract:
Bis(indolyl)alkanes have been synthesised in excellent yields in the presence of catalytic amount of silica-supported Preyssler nano particles as green, reusable and efficient catalyst under ultra sonic irradiation.