Bi(III) Salts as New Catalysts for the Selective Conversion of Trimethylsilyl and Tetrahydropyranyl Ethers to Their Corresponding Acetates and Formates.

I Mohammadpoor-Baltork,A R Khosropour

doi:10.1002/chin.200247045

Bi(III) Salts as New Catalysts for the Selective Conversion of Trimethylsilyl and Tetrahydropyranyl Ethers to Their Corresponding Acetates and Formates.

I Mohammadpoor-Baltork, A R Khosropour

https://doi.org/10.1002/chin.200247045

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Journal: ChemInform

Publication Date: Nov 26, 2002

Affiliation: Isfahan University of Technology

#Tetrahydropyranyl #Trimethylsilyl Ethers #Trimethylsilyl #Selective Acetylation #Ethyl Formate #Practical Procedure #Conversion Of Ethers #Organic Synthesis #Selective Formylation #Acetic Acid

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ABSTRACT Bi(III) salts such as BiCl3, Bi(TFA)3 and Bi(OTf)3 were found to be efficient catalysts for the transformation of trimethylsilyl (TMS) and tetrahydropyranyl (THP) ethers to their corresponding acetates and formates with acetic acid and ethyl formate. Selective acetylation and formylation of TMS and THP ethers of alcohols in the presence of phenolic TMS and THP ethers make this method a useful and practical procedure in organic synthesis.

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Bi(III) Salts as New Catalysts for the Selective Conversion of Trimethylsilyl and Tetrahydropyranyl Ethers to Their Corresponding Acetates and Formates.