Syntheses, reactions, and ethylene polymerization of titanium complexes with [N,N,S] ligands
作者:Ai-Quan Jia、Jian-Qiang Wang、Ping Hu、Guo-Xin Jin
DOI:10.1039/c0dt01800g
日期:——
[ArNCHC6H4NHC6H4-2-SPh] (Ar = Ph (2a); Ar = 2,4,6-trimethylphenyl (2b); Ar = 2,6-diisopropylphenyl (2c)) with LiAlH4 in high yields. Reactions of TiCl4 with the tridentate dianionic arylsulfide free ligands (3a–3c) afford five-coordinate and four-coordinate titanium complexes [κS, κ2N-(ArNHCH2C6H4NHC6H4-2-SPh)TiCl2] (Ar = Ph (4a); Ar = 2,4,6-trimethylphenyl (4b)] and [κ2N-(ArNHCH2C6H4NHC6H4-2-SPh)TiCl2]
三齿双阴离子无芳基硫醚的配体[ArNHCH 2 C 6 H 4 NHC 6 H 4 -2-SPh](Ar = Ph(3a); Ar = 2,4,6-三甲基苯基(3b); Ar = 2,6-二异丙基苯基(图3c))已经制备通过还原相应的亚胺化合物的[ARN CHC 6 H ^ 4 NHC 6 H ^ 4 -2-SPh上](Ar为Ph(上图2a); Ar为2,4,6-三甲基苯基(2B);氩=具有LiAlH 4的2,6-二异丙基苯基(2c))高产率。TiCl 4的反应与三齿双阴离子arylsulfide游离配体(图3A-3C)得到五配位和四配位的钛络合物[κ小号,κ 2 Ñ - (ArNHCH 2 ç 6 ħ 4 NHC 6 H ^ 4 -2-SPH)的TiCl 2 ](的Ar =苯基(图4a); AR = 2,4,6-三甲基苯基(4B)]和[κ 2 ñ - (ArNHCH 2 ç 6 ħ 4 NHC