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THE STRONGEST ACID IN THE WORLD Fluoroantimonic acidEthers serve as Lewis bases. For instance, diethyl ether forms a complex with boron trifluoride, i.e. borane diethyl etherate (BF 3�O(CH 2CH 3) 2). Ethers. of the boron atom in the boron trifluoride ~~~~~ acid seecies could be ex- Wnether dichior acetha ne or d�eth 'l ether solvent is eonioved. Abstract: The ethylation of aryl alcohols by an ethyl moiety of boron tri?uoride etherate is described. The reaction proceeded cleanly and a?.
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