Ruthenium(II) Picolyl-NHC Complexes: Synthesis, Characterization, and Catalytic Activity in Amine N-alkylation and Transfer Hydrogenation Reactions
作者:Francys E. Fernández、M. Carmen Puerta、Pedro Valerga
DOI:10.1021/om300692a
日期:2012.10.8
were recrystallized, and X-ray crystal structures are reported for 1a,f. Furthermore, compounds 1a–f show catalytic activity in transfer hydrogenation of ketones and N-alkylation of amines. Notably, complexes 1a,c,f were found to be very efficient and versatile catalysts toward transfer hydrogenation of a wide range of ketones and imines in addition to N-alkylation of several amines.
钌(II)p -cymene配合物吡啶甲基官能化N-杂环卡宾[(η 6 - p -cymene)的Ru(大号)(CL)] [PF 6 ](大号= 3-甲基-1-(2-吡啶甲基)咪唑-2-亚甲基(1a),3-异丙基-1-(2-吡啶甲基)咪唑-2-亚甲基(1b),3,4,5-三甲基-1-(2-吡啶甲基)咪唑-2-亚甲基(1c),3-间甲苯-1-(2-甲基吡啶基)咪唑-2-亚烷基(1d),3-甲基-1-(2-甲基吡啶基)苯并咪唑-2-亚烷基(1e),3-甲基-1- (2-甲基吡啶基)-4,5-二氯咪唑-2-亚烷基(1f),3-苯基-1-(2-甲基吡啶基)咪唑-2-亚烷基(1g))已合成并表征。将化合物1a – g重结晶,并报告1a和f的X射线晶体结构。此外,化合物1a – f在酮的转移加氢和胺的N-烷基化中显示出催化活性。特别地,发现配合物1a,c,f是非常有效且通用的催化剂,除了几种胺的N-烷