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A General Method for the Preparation of Ethers Using Water-Resistant Solid Lewis Acids


  • Financial support from the CICYT (MAT-2006-3798164) is gratefully acknowledged. M.R. thanks the Spanish Ministry of Science and Technology for a “Ramón y Cajal” fellowship.


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This most ethereal of cascades: Water-resistant single isolated Lewis acids within the framework of molecular sieves act as excellent general catalysts for the synthesis of ethers (see scheme). On this basis, an environmentally friendly process has been developed for the preparation of fine chemicals that involves a one-pot Meerwein–Ponndorf–Verley reduction/etherification cascade.

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