4-Dodecylbenzenesulfonic acid (DBSA) as an efficient and recyclable catalyst for synthesis of 14-aryl- and 14-alkyl-14-H-dibenzo [a,j]xanthenes under solvent-free conditions

Document Type : Regular Paper

Authors

Department of Chemistry, College of Sciences, Shiraz University, Shiraz 75454, Iran

Abstract

14-Aryl- and 14-alkyl-14-H-dibenzo [a,j]xanthenes are prepared from the reaction of aromatic- and aliphatic
aldehydes with β-naphthol in the presence of catalytic amounts of 4-dodecylbenzenesulfonic acid(DBSA) as a
surfactant-type Brønsted acid catalyst in toluene and under solvent-free conditions in excellent yields and short
reaction times. The catalyst was recovered and reused for five successive times without considerable loss in its
activity.

Keywords

Iranian Journal of Science
Volume 37, Issue 1 - Serial Number 1
March and April 2013
Pages 75-82

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