Efficient Solvent-free Synthesis of 14 H-Dibenzo[a,j] xanthenes Catalyzed by 2-Hydroxy-5-sulfobenzoic Acid

The use of 2-hydroxy-5-sulfobenzoic acid (2-HSBA) to demonstrate the catalyze one-pot condensation of 2-naphthol with various aldehydes under solvent-free conditions is described. This method can be implemented with a wide variety of readily accessible reagents to provide 14H-dibenzo[a,j]xanthenes a...

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Bibliographic Details
Main Authors: Hamzeh Kiyani, Hassan Darbandi
Format: บทความวารสาร
Language:English
Published: Science Faculty of Chiang Mai University 2019
Online Access:http://it.science.cmu.ac.th/ejournal/dl.php?journal_id=8477
http://cmuir.cmu.ac.th/jspui/handle/6653943832/63977
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Institution: Chiang Mai University
Language: English
Description
Summary:The use of 2-hydroxy-5-sulfobenzoic acid (2-HSBA) to demonstrate the catalyze one-pot condensation of 2-naphthol with various aldehydes under solvent-free conditions is described. This method can be implemented with a wide variety of readily accessible reagents to provide 14H-dibenzo[a,j]xanthenes as the dye candidates. A significant feature for the present method to the synthesis of 14H-dibenzo[a,j]xanthenes is that the reactions were performed in the absence of solvent and give products in good to high yields. This approach is reasonably priced, and commercially available of the catalyst is also valuable point for the presented procedure.