期刊
ORGANIC LETTERS
卷 18, 期 8, 页码 1860-1863出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b00619
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资金
- ACT-C from JST (Japan)
An Ir-catalyzed intermolecular reaction of biphenylenes as a C4 unit with various alkenes as a Cl unit gave 9,9-disubstituted fluorenes in moderate to high yields. Preliminary mechanistic studies revealed that this formal [4 + I] cycloaddition probably proceeds via C-C bond cleavage, alkene insertion, beta-hydrogen elimination, intramolecular alkene insertion, and then reductive elimination. An example of enantioselective reaction was also disclosed.
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