Tetrabutylammonium Peroxydisulfate in Organic Synthesis; IX: 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

Fen-Er Chen; Han Fu; Ge Meng; Yu Cheng; Ye-Li Hu

doi:10.1055/s-2000-6312

Synthesis 2000; 2000(8): 1091-1094
DOI: 10.1055/s-2000-6312

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Tetrabutylammonium Peroxydisulfate in Organic Synthesis; IX: 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

Fen-Er Chen^* , Han Fu, Ge Meng, Yu Cheng, Ye-Li Hu

^*Department of Chemistry, Fudan University, Shanghai, 200433, People's Republic of China; Fax +86 (21) 65 64 20 21; E-mail: rfchen@fudan.edu.cn

Abstract

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A number of fused acetal derivatives were prepared in 82-90% yield by tetrabutylammonium peroxydisulfate-mediated oxidative cycloaddition of 1,3-diketones or 1,3-diketoesters to cyclic enol ethers in the presence of a base such as potassium acetate in acetonitrile.

tetrabutylammonium peroxydisulfate - fused acetals - oxidative cycloaddition - 1,3-diketones - 1,3-diketoesters - cyclic enol ethers - cyclizations

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