Liquid crystal behaviour of ionic allylpalladium complexes containing 2-pyrazolylpyridine as bidentate N,N′-ligand
作者:M.C. Torralba、M. Cano、J.A. Campo、J.V. Heras、E. Pinilla、M.R. Torres
DOI:10.1016/j.jorganchem.2005.09.053
日期:2006.2
A mesophases. By contrast, neither the free ligands pzRpy nor their related c-[Pd(Cl)2(pzRpy)] complexes exhibited mesomorphism. The new synthesised metallomesogens are mononuclear complexes with an unsymmetrical molecular shape as deduced from the X-ray structures of c-[Pd(η3-C3H5)(pzRpy)]BF4 (R = hp, 11; dp, 12). Both compounds, which are isostructural, show a distorted square-planar environment on
包含新的N,N'-配体2- [3-(4-烷氧基苯基)吡唑-1-基]吡啶的两种Pd配合物(pz R py; R = C 6 H 4 OC n H 2 n +1,ñ = 6(马力),10(DP),12(DDP),14(TDP),16(HDP),18(ODP))(16),即ç - [加入Pd(Cl)的2(PZ ř吡啶)](7 - 10)和ç - [将Pd(η 3 -C 3 H ^ 5)(PZ ř PY)] BF 4(11 – 16),已通过不同的光谱技术进行了合成和表征。已经发现包含最大链的第二类型的那些成员(R = ddp 13,tdp 14,hdp 15,odp 16)具有显示近晶A中间相的液晶性质。相比之下,游离配体pz R py或它们相关的c- [Pd(Cl)2(pz R py)]配合物都没有表现出同构。新合成的metallomesogens与不对称分子形状的单核络合物作为从的X射线结构推导出Ç