title: 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.
abstract: The air and moisture stable rhodium N-heterocyclic carbene (NHC) complex, RhCl(IMes)(COD)(IMes =N,N[prime or minute]-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.
authors.affiliation: Department of Chemistry, Indiana University, Bloomington, IN 47405, USA. paevans@indiana.edu
authors.forename: P Andrew
authors.initials: PA
authors.lastname: Evans
authors.forename: Erich W
authors.initials: EW
authors.lastname: Baum
authors.forename: Aleem N
authors.initials: AN
authors.lastname: Fazal
authors.forename: Maren
authors.initials: M
authors.lastname: Pink