Selective Cleavage of Acetal-Type Ethers with Magnesium Bromide and Butyl Mercaptan in Diethyl Ether

Sunggak Kim; In Seo Kee; Young Hee Park; Jung Ho Park

doi:10.1055/s-1991-20671

Synlett 1991; 1991(3): 183-184
DOI: 10.1055/s-1991-20671

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Selective Cleavage of Acetal-Type Ethers with Magnesium Bromide and Butyl Mercaptan in Diethyl Ether

Sunggak Kim^* , In Seo Kee, Young Hee Park, Jung Ho Park

^*Department of Chemistry, Korea Advanced Institute of Science and Technology, Seoul 130-012, South Korea

Abstract

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Magnesium bromide and butyl mercaptan (1-butanethiol) in diethyl ether has been found to be very effective for selective removal of methoxymethyl (MOM), methylthiomethyl (MTM), and ß-(trimethylsilyl)ethoxymethyl (SEM) ethers in the presence of methoxyethoxymethyl (MEM), tert-butyldimethylsilyl (TBS), and benzyl ethers under mild conditions.

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