Name Meisam Keshtkar Affiliation Payame Noor University Degree — Website — Email — Journal Articles Conference Articles Projects Books Theses Speeches Innovations TitleJournal 1 Characterization and application of pyrazinium di(hydrogen sulfate) as a highly efficient catalyst for synthesis of 14-aryl-14H-dibenzo[aj]xanthenes, 9-aryl-1,8-dioxo-octahydroxanthenes and 1-amidoalkyl/carbamatoalkyl-2-naphthols Scientia Iranica 22 (2015) 2271-2281