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Centre for Organic and Medicinal Chemistry, School of Advanced Sciences, VIT University, Vellore-632 014, Tamilnadu, India E-mail : email@example.com A new protocol was established to synthesis xanthenes using hydroxyapatite (phosphates) as a catalyst through multi component reaction of arylaldehydes and 1,3-dicarbonyls, which afforded high yield with purity. All the newly synthesized xanthenes were characterized using NMR, IR and Mass spectral data. The required hydroxyapatite catalystdoi:10.5281/zenodo.5636343 fatcat:ddybinyeevddjiknchfhnzqcsa