作者:Lara E. Lemmerz、Thomas P. Spaniol、Jun Okuda
DOI:10.1002/zaac.201600280
日期:2016.11
Triphenylsilylzinc compounds stabilized by an N-heterocyclic carbene, [Zn(SiPh3)2(IMes)] (2) and [ZnX(SiPh3)(IMes)] [X = Cl (3a), Br (3b), I (3c)] [IMes = 1,3-Bis(2,4,6-trimethylphenyl)imidazole-2-ylidene], were synthesized by transmetalation from [ZnX2(IMes)(THF)0–1] [X = Cl (1a), Br (1b), I (1c)] and [LiSiPh3(THF)3]. According to single-crystal X-ray diffraction, [Zn(SiPh3)2(IMes)] (2) shows a trigonal-planar
由 N-杂环卡宾稳定的三苯基甲硅烷基锌化合物,[Zn(SiPh3)2(IMes)] (2) 和 [ZnX(SiPh3)(IMes)] [X = Cl (3a), Br (3b), I (3c) ] [IMes = 1,3-Bis(2,4,6-trimethylphenyl)imidazole-2-ylidene],由 [ZnX2(IMes)(THF)0–1] [X = Cl (1a), Br (1b), I (1c)] 和 [LiSiPh3(THF)3]。根据单晶 X 射线衍射,[Zn(SiPh3)2(IMes)] (2) 显示一个三角形平面配位的中心锌原子,而 [ZnCl(SiPh3)(IMes)(THF)] (3a-THF ) 显示扭曲的四面体配位。