title: Nickel-catalyzed intermolecular coupling of 1,3-dienes and aldehydes via transmetalation of nickelacycles with diisobutylaluminum acetylacetonate.
abstract: Intermolecular coupling reactions of 1,3-dienes and aldehydes via transmetalation of nickelacycle intermediate with (i)Bu(2)Al-acac were investigated. In the reactions, a linear adduct or a branched adduct was produced, depending upon the nature of 1,3-dienes and aldehydes, via two nickelacycles that were relatively stable among the four possible nickelacycles because of the equilibrium with pi-allynickel forms.
authors.affiliation: Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
authors.forename: Yoshihiro
authors.initials: Y
authors.lastname: Sato
authors.forename: Rieko
authors.initials: R
authors.lastname: Sawaki
authors.forename: Nozomi
authors.initials: N
authors.lastname: Saito
authors.forename: Miwako
authors.initials: M
authors.lastname: Mori