and the catalyst can be easily recovered without major ruthenium loss.Graphical AbstractImines were synthesized from the cross-coupling of alcohols with amines catalyzed by activated carbon (AC) supported ruthenium nanoparticles under atmospheric molecular oxygen without aid of any additives. This protocol is simple, efficient, and environment friendly, and the readily preparedcatalyst5%Ru/AC showed
A ruthenium complex [Et3NH]2[Ru(dipic)Cl3] showed high efficiency in the homo-coupling of primary amines and cross-coupling of benzylamine with anilines and aliphatic amines to the corresponding iminesunder air and solvent-free conditions. This protocol is an atom-economical green process and tolerates various substrates bearing both electron-donating and electron-withdrawing substituents.
The reaction was facilely scaled up to give N-benzylaniline 15a in a gram scale synthesis. This research provided a facile and convenient protocol to synthesize phosphanylnaphtho[2,1-d]oxazoles, which could be applied as an efficient P,N-ligand in transition-metal-catalyzed C–N and C–C formation to produce the desired products in high yields with wide functional group tolerance under small catalyst loading
通过萘醌与二芳基(烷基)氧化膦的一锅磷酸化和铜催化与亚胺的氧化缩合,然后甲基化和还原,成功合成了膦基萘并[2,1- d ]恶唑。以4-膦基萘并[2,1- d ]恶唑为P,N-螯合配体,Pd催化C-N生成胺或硝基苯以及Ni催化C-C生成和喹啉合成成功进行. 反应很容易放大以在克级合成中得到N-苄基苯胺15a 。本研究为合成膦基萘[2,1- d]恶唑,可用作过渡金属催化的 C-N 和 C-C 形成中的有效 P,N-配体,在小催化剂负载、无溶剂的情况下以高收率生产所需产物,具有广泛的官能团耐受性许多反应中的条件。