Pd(0)-catalyzed cross-coupling of allyl halides with α-diazocarbonyl compounds or N-mesylhydrazones: synthesis of 1,3-diene compounds
作者:Kang Wang、Shufeng Chen、Hang Zhang、Shuai Xu、Fei Ye、Yan Zhang、Jianbo Wang
DOI:10.1039/c6ob00454g
日期:——
With palladiumcatalysis, allyl bromides or chlorides react with α-diazocarbonyl compounds or N-mesylhydrazones to afford 1,3-diene derivatives. The reaction represents a novel and efficient method for the synthesis of 1,3-butadiene derivatives. Mechanistically, the reaction is proposed to follow a pathway involving the formation of a π-allylic palladium carbene complex and subsequent migratory insertion
Palladium-catalyzed reaction of allyl halides with α-diazocarbonyl compounds
作者:Shufeng Chen、Jianbo Wang
DOI:10.1039/b806970k
日期:——
The Pd(OAc)(2)-catalyzed reaction between alpha-diazocarbonyl compounds and allyl bromides or chlorides leads to the formation of 1,3-diene derivatives.
A quick-setting adhesive composition comprises a 2-cyanoacrylate and at least one 1,1-disubstituted diene, the amount of said diene being greater than 50% of the total weight of the two components. This composition can be used in place of conventional 2-cyanoacrylate adhesives but has improved impact resistance, peel resistance, heat resistance and water resistance.