Journal
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
Volume 10, Issue 3, Pages 415-420Publisher
SPRINGER
DOI: 10.1007/s13738-012-0174-4
Keywords
Xanthene; Aldehydes; beta-Naphthol 1,3-Cyclohexanedione; Na+-montmorillonite
Categories
Funding
- Iran National Science Foundation (INSF) [89004416]
- Research Council of Guilan University
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Nanoporous Na+-montmorillonite sulfonic acid was found to be an efficient and green catalyst for the synthesis of various 14-aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-dodecahydroxanthene derivatives by the reaction of aldehydes with 2-naphthol and 1,3-cyclohexanedione, respectively. This novel synthetic method has the advantages of high yields, short reaction times and recyclability of the catalyst, simplicity and easy workup compared to the conventional methods reported in the literature.
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