Synthesis of Aromatic Cycloketones via Intramolecular Friedel–Crafts Acylation Catalyzed by Heteropoly Acids

Kun Lan; Shao Fen; Zixing Shan

doi:10.1071/CH06277

RESEARCH ARTICLE

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Synthesis of Aromatic Cycloketones via Intramolecular Friedel–Crafts Acylation Catalyzed by Heteropoly Acids

Kun Lan ^A , Shao Fen ^A and Zixing Shan ^A ^B

+ Author Affiliations

- Author Affiliations

^A Department of Chemistry, Wuhan University, Wuhan 430072, China.

^B Corresponding author. Email: zxshan@sohu.edu.cn

Australian Journal of Chemistry 60(1) 80-82 https://doi.org/10.1071/CH06277
Submitted: 2 August 2006 Accepted: 24 October 2006 Published: 29 January 2007

Abstract

Under liquid-phase conditions, the intramolecular Friedel–Crafts acylation of aryl benzoic acids catalyzed by heteropoly acids were investigated for the first time. Several aryl benzoic acids were refluxed and dehydrated in chlorobenzene in the presence of 0.2 equivalents of a heteropoly acid, and anthraquinone, anthrone, and xanthone were obtained in good yield. At the same time, an intermolecular Friedel–Crafts acylation and decarboxylation reaction were observed in this experiment.

Acknowledgment

The authors are grateful the National Natural Science Foundation of China (20372053 and 29972033) for financial support.

References

Synthesis of Aromatic Cycloketones via Intramolecular Friedel–Crafts Acylation Catalyzed by Heteropoly Acids

Abstract

Acknowledgment

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