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J Am Chem Soc. 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.

Author information

1
Chemical Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, USA.

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).

PMID:
21517023
DOI:
10.1021/ja202055v

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