4.8 Article

Hydroalkoxylation Catalyzed by a Gold(I) Complex Encapsulated in a Supramolecular Host

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 19, Pages 7358-7360

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja202055v

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Funding

  1. Office of Science, Office of Basic Energy Sciences
  2. Division of Chemical Sciences, Geosciences, and Biosciences of the U.S. Department of Energy at LBNL [DE-AC02-05CH11231]

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Gold(I)-phosphine complexes are readily encapsulated by a tetrahedral supramolecular host (Ga4L6). We have investigated the catalytic activity of the resulting complexes for the intramolecular hydroalkoxylation of allenes. The catalytic activity of Me3PAuBr was increased 8-fold by encapsulation, as determined by initial rate kinetics, and we observed up to 67 catalytic turnovers by Me3PAu+ encapsulated in Ga4L6.

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