Rekha M. 1 ;H. Kathyayini 2 ;N. Nagaraju 1 ; Catalytic activity of manganese oxide supported on alumina in the synthesis of quinoxalines Rekha M. 1 ;H. Kathyayini 2 ;N. Nagaraju 1 ; 1. Catalysis Research Laboratory, St Joseph’s College Post Graduate and Research Centre, Bangalore 560027, India ; 2. Centre for Emerging Technologies, Global Campus Jain University, Bangalore 562112, India ; Fig.1 Scheme 1 Reaction of benzil with o -phenylenediamine to synthesise quinoxaline derivatives Frontiers of Chemical Science and Engineering,2013,7(4),415-421. Doi:10.1007/s11705-013-1360-3