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. 2011 May 18;133(19):7358-60.
doi: 10.1021/ja202055v. Epub 2011 Apr 25.

Hydroalkoxylation catalyzed by a gold(I) complex encapsulated in a supramolecular host

Z Jane Wang  1 , Casey J Brown, Robert G Bergman, Kenneth N Raymond, F Dean Toste
Affiliations

Hydroalkoxylation catalyzed by a gold(I) complex encapsulated in a supramolecular host

Z Jane Wang et al. J Am Chem Soc. .

Abstract

Gold(I)-phosphine complexes are readily encapsulated by a tetrahedral supramolecular host (Ga(4)L(6)). We have investigated the catalytic activity of the resulting complexes for the intramolecular hydroalkoxylation of allenes. The catalytic activity of Me(3)PAuBr was increased 8-fold by encapsulation, as determined by initial rate kinetics, and we observed up to 67 catalytic turnovers by Me(3)PAu(+) encapsulated in Ga(4)L(6).

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