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Synthesis 2004(3): 329-330  
DOI: 10.1055/s-2004-815930
SHORTPAPER
© Georg Thieme Verlag Stuttgart · New York

A Convenient Approach to the Synthesis of Fused Acetal Derivatives by Tetrabutylammonium Peroxydisulfate-Mediated Oxidative Cycloaddition of 1,3-Dicarbonyl Compounds to Cyclic Enol Ethers: A Rebuttal

Vidyadhar Jadhav, Min Young Park, Yong Hae Kim*
Center for Molecular Design and Synthesis, Department of Chemistry, Korea Advanced Institute of Science and Technology, Taejon, 305-701, Korea
Fax: +82(42)8695818; e-Mail: kimyh@kaist.ac.kr;
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Publication History

Received 2 September 2003
Publication Date:
26 January 2004 (online)

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Abstract

The report that fused acetal derivatives can be obtained from oxidative cycloaddition of 1,3-diketones or 1,3-diketo esters to cyclic enol ethers using tetrabutylammonium peroxydisulfate was proved to be erroneous. Under these reaction conditions fused acetals were neither isolated nor confirmed.

Key words

enols - ethers - cycloadditions - acetals - sulfates