An Efficient Carbonized Sugar Catalyzed Entry to 7,8-dihydro-2H-Chromen-5(6H)-ones. Journal of Scientific Research, [S. l.], v. 13, n. 3, p. 971–978, 2021. DOI: 10.3329/jsr.v13i3.52614. Disponível em: https://www.banglajol.info/index.php/JSR/article/view/52614. Acesso em: 1 jul. 2026.