TY - EJOUR AU - Shirini, Farhad AU - Imanzadeh, Gholam Hossein AU - Abedini, Masoumeh AU - Dokhte-Ghaziani, Maryam Akberi AU - Langroodi, Mohaddeshes Safarpoor AU - Ghasemabadi, Parisa Ghods PY - 2024 DA - February TI - Introduction of two efficient catalysts for the synthesis of 1,8-dioxo-octahydroxanthene derivatives in the absence of solvent T2 - Iranian Journal of Catalysis VL - 2 L1 - https://oiccpress.com/iranian-journal-of-catalysis/article/introduction-of-two-efficient-catalysts-for-the-synthesis-of-18-dioxo-octahydroxanthene-derivatives-in-the-absence-of-solvent/ N2 - 1,3-Dibromo-5,5-dimethylhydantoin (DBH) and benzyltriphenylphosphoniumtribromide (BTPTB) were used as efficient catalysts for the promotion of the synthesis of 1,8-dioxo-octahydroxanthene derivatives (DOXOs) via a one-pot three component condensation of aldehydes and cyclic 1,3-dicarbonyl compounds in the absence of solvent. IS - 3 PB - OICC Press KW - Cyclic 1, 3-dicarbonyl compounds. 3-Dibromo-5, 5-dimethylhydantoin, Aldehydes, 8-Dioxo-octahydroxanthenes EN -