| Sulfonic-Acid-Functionalized Silica Catalyzed, Facile and Efficient Method for the Synthesis of Aryl-14H-dibenzo[a,i]xanthenes |
Weilin Li1,*, Wenling Bian2 and Lili Wang2 |
1School of Pharmacy, Xinxiang Medical University, Xinxiang 453003, Henan Province, P.R. China
2Department of Gynecological, The Third Affiliated Hospital to Xinxiang Medical University, Xinxiang 453003, Henan Province, P.R. China
*Corresponding author: Tel./Fax: +86 373 3029879; E-mail: liweilin2002@163.com |
| Abstract
Aryl-14H-dibenzo[a,i]xanthenes were synthesized efficiently by one-pot reaction of b-naphthol, aldehydes and 2-hydroxy-1,4-naphthoquinone in the presence of sulfonic acid functionalized silica at 110 ºC without solvent. All products were characterized by 1H and 13C NMR, MS techniques and elemental analysis. |
| Keywords
Dibenzo[a,i]xanthenes, b-Naphthol, 2-Hydroxy-1,4-naphthoquinone, Sulfonic-acid-functionalized silica, Solvent-free. |
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