Synthesis and Crystal Structure of Ternary Copper(Ⅱ) Complex Containing N-(2-hydroxybenzyl)-DL-alanine and 4,4′-bipyridine;

High Selective Nucleophilic Substitution Reaction of 4,4′-bipyridine Under Solvent-free Conditions;

Theoretical comparative studies of the dihedral angle andtorsional barriers for 4,4′-bipyridine;

The Cu atom is in a geometry of distorted octahedral built by three oxygen atoms of two bidentate chelate carboxylic groups of the ligand(p-Ab-),one oxygen atom from a H2O molecule,and three nitrogen atoms of the ligand of 4,4′-bipyridyl.

Synthesis and Crystal Structure of the Complexes formed by Co(Ⅱ)、Cu(Ⅱ) and 4,4 -bipyridine;

NMR and Theoretical Studies on Interactions between Biperoxovanadate and 4,4 -bipyridine;

Reactions of CuCl_2·2H_2O and Cu(NO_3)_2·3H_2O with 4,4 -bipyridine gave complex 1 and complex 2,respectively, which were characterized by X-ray diffraction and Raman spectroscopy.

The crystal structure shows that the title compound consists of one polyoxomatelate(PMo12O403-) with the Keggin structure,two 4,4′-bipyridine cations,two 4,4′-bipyridine molecules and seven water molecules.

Crystallization from a mixed solution of dichloromethane (CH2Cl2) and acetonitrile (CH3CN) containing copper(Ⅰ) tetrafluroborate, 4,4′-bipyridine (4,4′-bipy) and either bis-[2-(diphenylphosphino)phenyl]ether (POP) or triphenylphosphine (PPh3), by diethyl ether (Et2O) vapour diffusion methods yielded [Cu2(4,4′-bipy)(POP)2(CH3CN)2 (C2H5O)2](BF4)2 (1) and [Cu2(4,4′-bipy)(PPh3)4(CH3CN)2](BF4)2 (2).

A new 1D complex {[Cu(L)(4,4′-bpy)]·ClO_4}_n[L=2-((2-hydrox-yethylimino) methyl)phenol,bpy=4,4′-bipyridine]has been prepared.

Study on the Effect of Solution pH Value on Assembling of Gold Nanoparticles on 4,4'-Dithiodipyridine Self-assembled Monolayers by Surface-enhanced Raman Scattering Spectroscopy;