期刊
CHEMICAL COMMUNICATIONS
卷 56, 期 92, 页码 14479-14482出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc06212j
关键词
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资金
- European Research Council
The cross-dehydrogenative arylation of benzylic C-H bonds with arenes provides straightforward access to synthetically useful 1,1-diarylmethanes, from readily available starting materials. Current approaches suffer from limited substrate scope, requirement for large excesses of alkyl arene and/or non-trivial reaction set up. We report a transition metal-free cross-dehydrogenative arylation of benzylic C-H bonds using alkyl benzene derivatives and electron-rich arenes as coupling partners. The method proceeds through the in situ generation of a reactive benzyl fluoride intermediate which then reacts with the nucleophilic arene. The reaction tolerates a wide variety of functional groups including unprotected polar functionality and has been applied to the late-stage benzylation of several biologically relevant molecules.
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