A New, Practical and Efficient Method for Protecting Alcohols as tert-Butyl Ethers

[摘要]：A new method for protecting alcohols as tert-butyl ethers is reported. The reaction is performed in tert-butyl acetate in the presence of a catalytic amount of HClO4. The process is extremely efficient and primary and secondary alcohols as well as diols are protected under very mild conditions. Remarkably, tert-butyl acetate can be easily recovered after the workup of the reaction and recycled.

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