4.8 Article

BF3-Promoted, Carbene-like, C-H Insertion Reactions of Benzynes

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 46, Pages 15616-15620

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b10206

Keywords

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Funding

  1. Institute of General Medical Sciences of the U.S. Department of Health and Human Services [R01 GM65597, R35 GM127097]
  2. National Science Foundation [CHE-1665389]
  3. NIH Shared Instrumentation Grant program [S10OD011952]
  4. NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R35GM127097, R01GM065597] Funding Source: NIH RePORTER

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Boron trifluoride is observed to promote a variety of C-H insertion reactions of benzynes bearing pendant alkyl groups. Computations and various mechanistic studies indicate that BF3 engages the strained pi-bond to confer carbene-like character on the adjacent, noncoordinated benzyne carbon. This represents an unprecedented catalytic role for a non-transition metal such as BF3.

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