<i>trans</i>
‐1,2‐Diphenylethylene Linked Isoindoline–Salicylaldiminato Nickel(II) Halide Complexes: Synthesis, Structure, Dehydrogenation, and Catalytic Activity toward Olefin Homopolymerization
作者:Jinyang Wang、Li Wan、Dao Zhang、Quanrui Wang、Zhenxia Chen
DOI:10.1002/ejic.201201331
日期:2013.4.12
have been prepared. Deprotonation of these tridentate ligands H(La)–H(Lc) by NaH at room temperature in tetrahydrofuran (THF), followed by treatment with 1 equiv. of [(PPh3)2NiX2] (X = Cl, Br, I) at room temperature afforded the desired nickel complexes [(L)NiX] (X = Cl, L = La, 1; X = Cl, L = Lb, 2; X = Cl, L = Lc, 3; X = Br, L = Lb, 4; X = I, L = Lb, 5) in moderate yields. The structures of 2 and 4 were
三齿配体 4-R1-6-R2-2-[trans-2-(isoindolin-2-yl)-1,2-diphenylethylimino]methyl} 苯酚 [R1 = R2 = H, H(La); R1 = R2 = 叔丁基,H(Lb);R1=Ph,R2=H,H(Lc)],其中取代的水杨醛亚胺部分和异二氢吲哚通过反式-1,2-二苯基亚乙基部分连接。这些三齿配体 H(La)–H(Lc) 在室温下在四氢呋喃 (THF) 中被 NaH 去质子化,然后用 1 当量处理。[(PPh3)2NiX2] (X = Cl, Br, I) 在室温下得到所需的镍配合物 [(L)NiX] (X = Cl, L = La, 1; X = Cl, L = Lb, 2 ; X = Cl, L = Lc, 3; X = Br, L = Lb, 4; X = I, L = Lb, 5) 中等产量。2 和 4 的结构通过固态单晶