Palladium-catalyzed [2+1+1] annulation of norbornenes with (z)-bromostyrenes: synthesis of bismethylenecyclobutanes via twofold C(sp<sup>2</sup>)–H bond activation
作者:Jiangang Mao、Weiliang Bao
DOI:10.1039/c4cc06545j
日期:——
The first Pd-catalyzed intermolecular [2+1+1] annulation reaction of (Z)-bromostyrene derivatives and norbornenes has been realized. Bismethylenecyclobutane derivatives were obtained with high yields. The domino coupling reaction involves a double Heck-type coupling process, twofold C(sp(2))-H bond activation and formation of three carbon-carbon bonds.
Palladium(0)-Catalyzed Methylenecyclopropanation of Norbornenes with Vinyl Bromides
作者:Jiangang Mao、Weiliang Bao
DOI:10.1021/ol500829t
日期:2014.5.16
Highly strained methylenecyclopropane derivatives have been achieved via a novel and efficient Pd(0)-catalyzed domino reaction. The formal [2 + 1] cycloaddition reaction of vinyl bromides to norbornenes involves a Heck-type coupling and a C(sp2)–H bond activation.