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Dr. Ursula Biermann and Prof. Dr. Jürgen O. Metzger Synthesis of Ethers by GaBr3-Catalyzed Reduction of Carboxylic Acid Esters and Lactones by Siloxanes ChemSusChem 7

Version of Record online: 29 OCT 2013 | DOI: 10.1002/cssc.201300627

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The gift of the GaBr3: Ethers are synthesized by reduction of the respective esters catalyzed by gallium bromide (GaBr3) and using preferentially 1,1,3,3-tetramethyldisiloxane as reductant. Methyl oleate and triglycerides as well as γ- and δ-lactones are converted into the respective ethers in high to moderate yields. The products can be separated from the polymeric siloxanes formed as coupled product by simple distillation.

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