Orange-red emissive N-hetercycle carbene (NHC) Cu(I) complexes bearing benzimidazolylidene-type ligands: Synthesis, structures, and photophysical properties
作者:Yinfu Lu、Jinglan Wang、Yaqian Wu、Shengxian Xu、Feng Zhao、Yibo Wang
DOI:10.1016/j.jphotochem.2021.113370
日期:2021.9
Herein, three four-coordinate N-hetercycle carbene (NHC) copper (I) complexes of the types [Cu(BenDimBenIm-CHOPy)(POP)]PF6 (P1), [Cu(BenDimBenIm-CNPy)(POP)]PF6 (P2), and [Cu(DimbenDimBenIm-CNPy)(POP)]PF6 (P3) (BenDimBenIm-CHOPy = 3-benzyl-1-(5-formyl -pyridin-2-yl)-1H-5,6-dimethylbenzimidazolylidene, BenDimBenIm-CNPy = 3-benzyl-1-(5-cyano -pyridin-2-yl)-1H-5,6-dimethylbenzimidazolylidene, DimbenDimBenIm-CNPy = 3-(3
在此,[Cu(BenDimBenIm-CHOPy)(POP)] PF 6(P1),[Cu(BenDimBenIm-CNPy)(POP)] PF类型的三个四坐标N杂环卡宾(NHC)铜(I)配合物6(P2)和[Cu(DimbenDimBenIm-CNPy)(POP)] PF 6(P3)(BenDimBenIm-CHOPy = 3-苄基-1-(5-甲酰基-吡啶-2-基)-1 H -5, 6-二甲基苯并咪唑啉,BenDimBenIm-CNPy = 3-苄基-1-(5-氰基-吡啶-2-基)-1 H -5,6-二甲基苯并咪唑基亚胺,DimbenDimBenIm-CNPy = 3-(3,5-二甲基苄基-1- (5-氰基吡啶-2-基)-1 H已经制备并研究了-5,6-二甲基苯并咪唑基亚甲基,POP =双[2-二苯基膦基-苯基)醚)。所有复合物在320–360 nm区域均表现出最低的能量金属-配体电荷转移(