4.7 Article

Iron-catalyzed aryl- and alkenyllithiation of alkynes and its application to benzosilole synthesis

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 34, Pages 9714-9716

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc11989c

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology, Japan [22605005]

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Phenyl- and vinyllithiums having an alkyl substituent at their ortho- and cis-position, respectively, readily added to alkynes in the presence of 5 mol% of Fe(acac)(3). The reaction of o-(trimethylsilyl) phenyllithium with alkynes gave benzosiloles through an addition-cyclization sequence.

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