Gunasekara,P. P. S. SWeerasinghe, R. L. P2026-09-182026-09-182026-05ISSN 1012 - 8999https://dr.ichemc.ac.lk/handle/123456789/480Abstract No: 2025_404 Page 39The compound 2,3-diphenylquinoxaline is a valuable nitrogen-containing heterocyclic compound with applications in medicinal, pharmaceutical, and materials chemistry. Conventional synthetic methods often employ various homogeneous and heterogeneous catalysts.en23-diphenylquinoxalineSulfonate graphene oxide (SGO)o-phenylenediaminebenzilArticle