期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 28, 期 69, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202202453
关键词
atom-efficient transformations; diaryl ethers; diaryliodonium salts; hypervalent compounds; transition metal-free
资金
- Swedish Research Council [2019-04232]
- Swedish Research Council [2019-04232] Funding Source: Swedish Research Council
Two regioselective and high-yielding methods for the synthesis of oxygen-bridged cyclic and ortho-aryloxy-substituted acyclic diaryliodonium salts were presented. These novel compounds exhibited complimentary reactivities in chemoselective arylation reactions, delivering a range of novel ortho-functionalized diaryl ether derivatives.
Two regioselective, high-yielding one-pot routes to oxygen-bridged cyclic diaryliodonium salts and ortho-aryloxy-substituted acyclic diaryliodonium salts are presented. Starting from easily available ortho-iodo diaryl ethers, complete selectivity in formation of either the cyclic or acyclic product could be achieved by varying the reaction conditions. The complimentary reactivities of these novel ortho-oxygenated iodonium salts were demonstrated through a series of chemoselective arylations under metal-catalyzed and metal-free conditions, to deliver a range of novel, ortho-functionalized diaryl ether derivatives.
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