List of Articles Xanthene Open Access Article Abstract Page Full-Text 1 - Synthesis of 1,8-dioxo-octahydroxanthenes under solvent-free conditions via Phosphorus pentoxide supported on alumina (P2O5/Al2O3) catalyzed tandem reaction of Aldehyde with dimedone Tayebeh Sanaeishoar Negar Hormozinezhad Open Access Article Abstract Page Full-Text 2 - SYNTHESIS OF 1,8-DIOXO-OCTAHYDROXANTHENES WITH THIAMINE CHLORIDE IN ECO-FRINDLY AND SOLVENT FREE CONDITION Bahram Pourhasan Mohammad Mahmudi Hashemi Ali Ezabadi Open Access Article Abstract Page Full-Text 3 - β-Cyclodextrain sulfonic acid as a biodegradable solid catalyst in benzoxanthenes synthesis Mina Cheraghchi Ali.R Kiasat Rashid Badri Open Access Article Abstract Page Full-Text 4 - SYNTHESIS OF 1,8-DIOXO-OCTAHYDROXANTHENES WITH THIAMINE CHLORIDE IN ECO-FRINDLY AND SOLVENT FREE CONDITION Bahram Pourhasan Mohammad Mahmudi Hashemi Ali Ezabadi Open Access Article Abstract Page Full-Text 5 - N-butyl Pyridinium Bromide Ionic Liquid Assisted Preparation of Cobalt Oxide: An Efficient Nanocatalyst for the Synthesis of Tetrahydrobenzo[a]xanthen-11-one Derivatives Mitra Darband Elham Thanpesar Rashid Badri Haleh Sanaei shoar 20.1001.1.27834107.2021.11.2.5.6