Synthesis and characterization of polyfluorinated 2,2鈥?bipyridines and their palladium and platinum complexes, [MX₂(bis(R_fCH₂OCH₂)-2,2鈥?bpy)] (X = Cl, Br)

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• 作者：Norman Lu^a ; ^{normanlu@ntut.edu.tw} ; Yu-Meng Ou^a ; ^b ; Tsung-Yao Feng^a ; ^b ; Wei-Jen Cheng^a ; ^b ; Wen-Han Tu^a ; Han-Chang Su^a ; Xiao Wang^b ; Liu Liu^b ; Matthew D. Hennek^b ; Todd S. Sayler^b ; Joseph S. Thrasher^b ; ^c
• 关键词：Fluorous ; Ponytails ; X-ray diffraction studies ; Hydrogen bond system ; Chemical ionization (CI)
• 刊名：Journal of Fluorine Chemistry
• 出版年：2012
• 期刊代码：52_00221139
• 类别：ch
• 出版时间：May, 2012
• 卷：137
• 期：Complete
• 页码：54-63
• 文件大小：1197 K

摘要

The fluorous-ponytailed bpy ligands at 4,4鈥?and 5,5鈥?positions, 4,4鈥?bis(R_fCH₂OCH₂)-2,2鈥?bpy and 5,5鈥?bis(R_fCH₂OCH₂)-2,2鈥?bpy, were prepared. Then these two differently positioned bpy ligands with varying fluorous lengths were treated with [PdCl₂(CH₃CN)₂], [PtCl₂(CH₃CN)₂], or the simple PtBr₂ salt to result in the corresponding 4,4鈥? or 5,5鈥?metal halide-containing complexes, [MX₂(bis(R_fCH₂OCH₂)-2,2鈥?bpy)] [M = Pd or Pt; X = Cl or Br]. All of these ligands and metal complexes were fully characterized by multi-nuclei NMR (¹H, ¹⁹F, and ¹³C) and FTIR spectroscopy and mass spectrometry (GC/MS, EI and CI, or FAB). Additionally, single crystals of the Pd and Pt complexes with two bpy ligands were successfully obtained, and their X-ray structures are compared with their analogues.