Syntheses and Characterization of Titanium(IV) and Titanium(III) Complexes with (2-Dimethylphosphino)ethane-1-thiolate and (3-Dimethylphosphino)propane-1-thiolate as Ligands
作者:Kazutaka Matsuzaki、Hiroyuki Kawaguchi、Peter Voth、Kyoko Noda、Sumitaka Itoh、Hideo D. Takagi、Kazuo Kashiwabara、Kazuyuki Tatsumi
DOI:10.1021/ic034353l
日期:2003.8.1
Reactions of Cp(2)TiCl(2) (Cp = eta(5)-cyclopentadienide) with 2 or 1 equiv of hybrid P-S ligands (L), (CH(3))(2)P(CH(2))(n)()S(-) (n = 2, dmpet; n = 3, dmppt), produced new dicyclopentadienyltitanium(IV) complexes with L, Cp(2)Ti(L-kappaS)(2) (1, L = dmpet; 2, L = dmppt) and [Cp(2)Ti(L-kappa(2)S,P)]BPh(4) (3, L = dmpet; 4, L = dmppt). The Ti(III) complexes, Cp(2)Ti(L-kappa(2)S,P) (5, L = dmpet; 6
Cp(2)TiCl(2)(Cp = eta(5)-cyclopentadienide)与2或1当量的杂化PS配体(L),(CH(3))(2)P(CH(2))( n)()S(-)(n = 2,dmpet; n = 3,dmppt),产生了新的具有L,Cp(2)Ti(L-kappaS)(2)的二环戊二烯基钛(IV)配合物(1,L = dmpet; 2,L = dmppt)和[Cp(2)Ti(L-kappa(2)S,P)] BPh(4)(3,L = dmpet; 4,L = dmppt)。通过Cp(2)Ti(eta)反应制备Ti(III)配合物Cp(2)Ti(L-kappa(2)S,P)(5,L = dmpet; 6,L = dmppt)具有1当量的L的(3)-C(3)H(5))。通过X射线衍射分析证实了配合物1-6的结构。发现配合物3和5在Ti(IV)和Ti(III)中心周围是同构结构:3(2