Diastereoselective metal-catalyzed [4 + 2 + 2] carbocyclization reactions utilizing a rhodium N-heterocyclic carbene (NHC) complex: the first example of a rhodium NHC-catalyzed [m				+				n				+				o] carbocyclization

P. Andrew Evans; Erich W. Baum; Aleem N. Fazal; Maren Pink

doi:10.1039/B413438A

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Diastereoselective metal-catalyzed [4 + 2 + 2] carbocyclization reactions utilizing a rhodium N-heterocyclic carbene (NHC) complex: the first example of a rhodium NHC-catalyzed [m + n + o] carbocyclization†

P. Andrew Evans,*^a Erich W. Baum,^a Aleem N. Fazal^a and Maren Pink ‡^a

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^a Department of Chemistry, Indiana University, Bloomington, IN 47405, USA
E-mail: paevans@indiana.edu
Fax: +1 (812) 855-8300

Abstract

The air and moisture stable rhodium N-heterocyclic carbene (NHC) complex, RhCl(IMes)(COD) (IMes = N,N′-bis(2,4,6-trimethylphenyl)imidazole-2-ylidine; COD = 1,5-cyclooctadiene), facilitates a diastereoselective metal-catalyzed [4 + 2 + 2] carbocyclization of 1,6-enynes in the presence of silver triflate and 1,3-butadiene.

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Article information

DOI: https://doi.org/10.1039/B413438A
Article type: Communication
Submitted: 31 Aug 2004
Accepted: 27 Sep 2004
First published: 19 Nov 2004

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Chem. Commun., 2005, 63-65

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Diastereoselective metal-catalyzed [4 + 2 + 2] carbocyclization reactions utilizing a rhodium N-heterocyclic carbene (NHC) complex: the first example of a rhodium NHC-catalyzed [m + n + o] carbocyclization

P. A. Evans, E. W. Baum, A. N. Fazal and M. Pink, Chem. Commun., 2005, 63 DOI: 10.1039/B413438A

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