title: Mechanism of Ru(II)-Catalyzed Rearrangements of Allenyl- and Alkynylcyclopropanols to Cyclopentenones.
abstract: A comparison study of the Ru(II)-catalyzed rearrangements of allenyl- and alkynylcyclopropanols to the corresponding cyclopentenones has been undertaken with the aid of an alkyl substituent on the three-membered ring. These ring expansion reactions proceed with exceptional regioselectivity irrespective of the cis/trans stereochemistry of the substituents on the three-membered ring. β-Carbon elimination is the common feature in the absence of a chelating group at the 4'-position in the alkyne chain.
authors.affiliation: Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States.
authors.forename: Eppa
authors.initials: E
authors.lastname: Gyanchander
authors.affiliation: Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States.
authors.forename: Sridhar
authors.initials: S
authors.lastname: Ydhyam
authors.affiliation: Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States.
authors.forename: Naresh
authors.initials: N
authors.lastname: Tumma
authors.affiliation: Department of Chemistry, The University of Alabama , Tuscaloosa, Alabama 35487, United States.
authors.forename: Ken
authors.initials: K
authors.lastname: Belmore
authors.affiliation: Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States.
authors.forename: Jin Kun
authors.initials: JK
authors.lastname: Cha