Rhodium-catalyzed transformation of heteroaryl aryl ethers into heteroaryl fluorides?
Chemical Communications Pub Date: 2016-08-19 DOI: 10.1039/C6CC05400E
Abstract
A rhodium complex catalyzed the conversion of the C–O bond of heteroaryl aryl ethers to the C–F bond. The reaction of (4-chlorophenylthio)pentafluorobenzene with heteroaryl aryl ethers provided heteroaryl fluorides and heteroaryl (4-chlorophenylthio)tetrafluorophenyl ethers; this involved the cleavage of a single heteroaryl C–O bond under equilibrium conditions. The reaction of heteroaryl aryl ethers with 2-fluorobenzothiazole in which two heteroaryl and aryl C–O bonds were cleaved provided heteroaryl fluorides and aryl fluorides. The reactions were applicable to five-membered and six-membered heteroaryl aryl ethers and also to diaryl ethers possessing one or two electron-withdrawing groups.
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Journal Name：Chemical Communications
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