@article{paperid:1064585, author = {Mohammadian, Narges and Akhlaghinia, Batool}, title = {Calcined oyster shell nanoparticles (COS NPs): a new, efficient and reusable catalyst for one-pot rapid preparation of 1,8-dioxo-octahydroxanthenes under solvent-free conditions}, journal = {Research on Chemical Intermediates}, year = {2018}, volume = {44}, number = {2}, month = {January}, issn = {0922-6168}, pages = {1085--1103}, numpages = {18}, keywords = {1;8-Dioxo-octahydroxanthenes  Calcined oyster shell nanoparticles (COS NPs)  Solvent-free synthesis  Heterogeneous nanocatalyst  Aldehyde  5;5-Dimethylcyclohexane-1;3-dione (dimedone)}, }