NGUYEN, Minh Nhat; PHAM, Duc Dung. EFFICIENT SYNTHESIS OF XANTHENE USING A DEEP EUTECTIC SOLVENT CATALYST UNDER SOLVENT-FREE. Ho Chi Minh City University of Education Journal of Science, [S. l.], v. 22, n. 9, p. 1599–1609, 2025. DOI: 10.54607/hcmue.js.22.9.5206(2025). Disponível em: https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/5206. Acesso em: 12 may. 2026.