Fluorosilyl-Substituted Cyclopentadienyltitanium(IV) Complexes: Synthesis, Structure, and Styrene Polymerization Behavior
作者:Milan Erben、Jan Merna、Soňa Hermanová、Ivana Císařová、Zdeňka Padělková、Michal Dušek
DOI:10.1021/om070098r
日期:2007.5.1
solution of TiCl4 gave the respective half-sandwich titanium complexes 10−12, which could be alternatively prepared by selective fluorination of the corresponding chlorosilyl-substituted cyclopentadienyltitanium(IV) trichlorides with Me3SnF. Completely fluorinated [TiF3(C5H4SiMe2F)] (13) was prepared from [TiCl3(C5H4SiMe2Cl)] (7) and 4 equiv of Me3SnF. The molecular structures of the pentameric 13 and the
的合成和新卤代甲硅烷基取代钛的表征(IV)的衍生物[的TiCl 3(η 5 -C 5 H ^ 4的SiCl 3)](9),[的TiCl 3(η 5 -C 5 H ^ 4森达2 F) ](10),[的TiCl 3(η 5 -C 5 H ^ 4 SIMEF 2)](11),[的TiCl 3(η 5 -C 5 H ^ 4的SiF 3)](12),和[的TiF3(η 5 -C 5 H ^ 4森达2 F)](13)的报告。锂化三甲基甲硅烷基环戊二烯与Me 2 SiCl 2,MeSiCl 3或SiCl 4的反应生成氯甲硅烷基(三甲基甲硅烷基)环戊二烯,并用Me 3 SnF氟化,得到氟甲硅烷基衍生物C 5 H 4(SiMe 2 F)SiMe 3(4),C 5 H 4(SiMeF 2)SiMe 3(5)和C 5H 4(SiF 3)SiMe 3(6)。二甲硅烷基化的化合物的另外4 - 6到的TiCl的溶液4送给相应的半夹心钛络合物10