Journal
ORGANIC LETTERS
Volume 16, Issue 9, Pages 2350-2353Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol5006714
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Funding
- Doctoral Program of Higher Education of China [20110171120098]
- National Basic Research Program of China (973 Program) [2012CB967004]
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Linear diaryliodonium salts are widely used as arylating reagents for C-C and C-X bond formation. Meanwhile, synthetic applications of cyclic iodoniums are relatively rare although they offer the opportunity to set up reaction cascades. We demonstrate an atom and step economical three-component reaction involving cyclic diphenyleneiodoniums, alkynes, and boronic acids, resulting in the construction of methylidenefluorenes in a single operation. Our route enables facile access to both symmetrical and unsymmetrical methylidenefluorene derivatives, compounds that have attracted interest due to their optical properties.
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