Synthesis of 2-(2-Naphthyl)quinolines from Z-3-(2-Naphthyl)-3-chloro-2-propenal

By reaction of Z-3-(2-naphthyl)-3-chloro-2-propenal and aromatic amines 1-(2-naphthyl)-3-iminoaryl-1-propenylarylamines were prepared which at heating in the glacial acetic acid afforded the corresponding 2-(2-naphthyl)quinolines.     

meso-四(对烷氧基苯基)卟啉合银的合成、表征和性能研究

合成了10种未见文献报道的m eso-四(对烷氧基苯基)卟啉合银配合物,研究了其合成、分离、纯化方法.用红外光谱、紫外-可见光谱、核磁共振氢谱、质谱和元素分析等对各个化合物的结构进行了表征.研究了其荧光性能,用差示扫描量热仪和偏光显微镜对其液晶性质进行了研究,发现10个配合物均具有液晶性.     

双核铜(Ⅰ)配合物的合成、晶体结构与性质研究

本文合成了1个新的铜双核配合物[(CuI)(PMN)]2.2CH3CN(PMN=2、4-二氨基-5-氯苯基-6-乙基嘧啶),并且通过元素分析、红外、荧光、热重和单晶X-射线进行了表征。该配合物属三斜晶系,空间群P1,a=0.8100(16)nm,b=0.96950(19)nm,c=1.2049(2)nm,α=97.88(3)°,β=93.31(3)°,γ=94.14(3)°,V=0.933 8(3)nm3,Z=1,R=0.037 1。在配合物中,每个Cu(Ⅰ)离子与PMN配体的1个N原子和2个I原子配位,展示出三角几何构型。相邻的2个Cu(Ⅰ)离子通过碘原子相连形成双核铜配合物,并进一步通过氢键和I…I作用形成三维网状结构。     

Synthesis, Crystal Structure and Properties of Polyamine Copper(II) Complexes

Two polyamine copper(II) complexes were synthesized by the reaction between N,N,N′,N′-tetrakis(2′-aminoethyl)propane-1,2-diamine hexahydrochloride and copper(II) perchlorate under almost the same conditions except for reaction temperature. The crystal structures of two complexes were determined by X-ray diffraction techniques, which shows that one of the complexes is unexpected and is a double chlorine or chloride-bridged dinuclear copper(II) complex formed by two diethylenetriamines, and another is a pentadentate mononuclear copper(II) complex composed of homo-protonated N,N,N′,N′-tetrakis(2′-aminoethyl)propane-1,2-diamine. The mechanism of the reaction leading to form the unexpected complex was discussed. The UV-visible spectra and cyclic voltammogram of the complexes were measured.     

Synthesis and Structures of Silver(I) and Copper(I) 3,5-Dipentyl-1,2,4-Triazolates

The Ag(I) and Cu(I) complexes of 4-amino-3,5-dipentyl-4H-1,2,4-triazole (4-NH₂-3,5-(C₅H₁₁)₂tz) and 3,5-dipentyl-1H-1,2,4-triazole (3,5-(C₅H₁₁)₂tzH) have been synthesized and characterized. X-Ray analysis shows that {Ag₄[4-NH₂-3,5-(C₅H₁₁)₂tz]₆}(BF₄)₄ is a tetranuclear complex featuring an Ag₄tz₆ cluster; {Ag[3,5-(C₅H₁₁)₂tz]}_n exhibits a 3D structure of lvt-a topology; and {Cu₂[3,5-(C₅H₁₁)₂tz]Br}_n is a Cu₄Br₄-cluster based 3D complex with the dia topology.     

meso-四(邻烷氧基苯基)卟啉及其铜配合物的合成、表征和性能研究

合成了meso-四(邻烷氧基苯基)卟啉及其铜配合物两个系列20个化合物, 其中未见文献报道的化合物16个, 研究了其合成、分离、纯化方法, 得到了这两个系列化合物的晶体或固体, 用¹H NMR, MS, IR, UV, 元素分析等方法确证了这些化合物的结构. 用差示扫描量热法(DSC)和偏光显微镜(PM)研究了这两个系列化合物的液晶性能, 发现19个化合物具有液晶性, 其液晶行为表现为升温单变液晶.     

Synthesis,Properties and Crystal Structures of Mononuclear Copper(II) Complexes with Bis(2-Pyridylmethyl)Amino Acids

Tetradentate Schiff-base carboxylate-containing ligands, bis(2-pyridylmethyl)amino-3-propionic acid (Hpmpa) and bis(2-pyridylmethyl)amino-4-butyric acid (Hpmba), react with CuCl₂ to give rise to the mononuclear complexes [Cu(Hpmpa)Cl]Cl · 2H₂O (1) and [Cu(Hpmba)Cl₂]· H₂O (2). These complexes have been characterized by X-ray crystallography, spectroscopic and cyclic voltammetry. Crystal structure of (1) shows that the copper(II) ion has a distorted square-pyramidal geometry with the three nitrogen atoms of the Hpmpa ligand and one chloride anion occupying the basal plane and an oxygen atom from the carboxylate group coordinating the axial position. In (2), the coordination environment around the copper(II) ion reveals a distorted square-pyramids with three nitrogen atoms of the Hpmba ligand and one chloride anion that comprise the basal plane, whereas the apical position is filled by the chloride anion. Cyclic voltammetry of the complexes gives two one-electron waves corresponding to Cu^II/Cu^III and Cu^III/Cu^I processes. The electronic spectra and redox potentials of the complexes are influenced significantly by the N-pendant carboxylate groups.     

Synthesis of 2-Naphthylselenoacetic Acid Dialkylamides from 4-(2-Naphthyl)-1,2,3-selenadiazole

Russian Journal of General Chemistry - Under the action of potassium hydroxide, 4-(2-naphthyl)-1,2,3-selenadiazole readily decomposes with the evolution of nitrogen and the formation of potassium...     

2-萘基-5-取代苯并噁唑的合成、紫外光谱和萤光光谱

在研究有机化合物的结构与光性能间关系的过程中,我们又通过4-取代-2-氨基酚或其盐酸盐分别与α-萘甲酸和β-萘甲酸缩合,制得了十种2-(α-萘基)-5-取代苯并噁唑(Ⅰ)和十种2-(β-萘基)-5-取代苯并噁唑(Ⅱ),测定了这些化合物的熔点,紫外吸收光谱和萤光发射光谱.     

四核铜化合物(Cu4L4)(CH3CN)(H2L=(R)-1-(1-羟基正丁烷-2-氨甲基)萘-2-醇)的合成、晶体结构及磁性质

采用具有手性的席夫碱配体，(R)-1-(1-羟基正丁烷-2-氨甲基)萘-2-醇(H₂L)，和醋酸铜反应得到四核铜的化合物(Cu₄L₄)(CH₃CN)。用X-射线衍射对化合物的晶体结构进行了测定，结果表明此化合物含有4个铜和4个配体，铜通过配位作用和4个氧原子形成类立方烷中心。磁性测定表明此化合物中金属离子之间有弱的反铁磁相互耦合作用。     

Synthesis,Structural and Energetic Properties of Copper(II) Perchlorate Complex with Aminoguanidine

The complexation of copper(II) perchlorate with aminoguanidine hemesulfate (AGHS) yield related mononuclear complex bis(aminoguanidine)copper(II) perchlorate; [Cu(AG)₂](ClO₄)₂ ( I ). The characterization of complex I was done by elemental analysis, electronic spectra, IR studies, and X‐ray diffraction. From analytical data, a stoichiometry of 1:2 of metal to ligand was determined for the complex. The structure consists of centrosymmetric square planar [Cu(AG)₂]²⁺ cations and perchlorate counterions. The Cu^II atom is four‐coordinate by two imine N atoms and two amine N atoms from two aminoguanidine ligands, forming a slightly distorted square‐planar coordination. In the crystal structure, molecules are linked through intermolecular N–H ··· O hydrogen bonds, forming a network. The thermal decomposition process of this complex was investigated through differential scanning calorimetry (DSC) and the sensitivities toward impact and friction were assessed using a BAM drophammer and a BAM friction tester.     

Synthesis, Structure and Magnetic Properties of a Diphenoxo-bridged Binuclear Copper(II) Complex

ＩｎｔｒｏｄｕｃｔｉｏｎＥｘｃｈａｎｇｅ ｃｏｕｐｌｅｄｐｏｌｙｎｕｃｌｅａｒｃｏｐｐｅｒ(ＩＩ)ｃｏｍｐｌｅｘ ｅｓａｒｅｏｆｓｐｅｃｉａｌｉｎｔｅｒｅｓｔｄｕｅｔｏｔｈｅｉｒｉｎｖｏｌｖｅｍｅｎｔｉｎｂｉｏ ｌｏｇｉｃａｌｐｒｏｃｅｓｓｅｓａｎｄｉｎｉｎｏｒｇａｎｉｃｍａｔｅｒｉａｌｓ .1,2 Ｔｈｅｉｎｔｉ ｍａｔｅｒｅｌａｔｉｏｎｓｈｉｐｂｅｔｗｅｅｎｔｈｅｓｐｉｎｃｏｕｐｌｉｎｇａｎｄｔｈｅｍｏｌｅｃｕｌａｒｓｔｒｕｃｔｕｒｅｈａｓｆｏｓｔｅｒｅｄｔｈｅｅｍｅｒｇｅｎｃｅｏｆｍｏｌｅｃ ｕｌａｒ…     

Copper(I) and Silver(I) Coordination Polymers Based on Rigid Bis(triazole) Ligand: Syntheses,Structures, and Catalytic Properties

Two metal coordination polymers, [Cu₂(btb)(CN)₂]_n ( 1 ) and [Ag₂(btb)(muco)]_n ( 2 ) [btb = 4, 4′‐bis(1, 2,4‐triazolyl‐1‐yl)‐biphenyl, H₂muco = trans,trans‐muconic acid], were synthesized under solvothermal conditions and characterized by elemental analysis, IR spectroscopy, and X‐ray single‐crystal diffraction. Complex 1 exhibits a 1D ladder‐chain structure containing cyanide anions, which are generated in situ by the cleavage of C–C bond of acetonitrile molecules under solvothermal conditions, whereas 2 possesses a rare 3D framework with binodal 4, 6‐connected fsh topology. In addition, the thermal behavior, fluorescence and catalytic properties of the complexes for the degradation of methyl orange in a Fenton‐like process were investigated.     

Copper(I) and Silver(I) Complexes of 1-alkyl-2-(methyl)-4-(arylazo)imidazole. Synthesis, Spectral Studies and Electrochemistry

2-(Methyl)-4-(arylazo)imidazole (RLH) (1, 2) are new series of azoimidazoles. Upon treatment of alkylhalide in dry THF in presence of NaH has synthesised 1-alkyl-2-(methyl)-4-(arylazo)imidazole (RLR′) (3, 4). They belong to the azoimine family of N,N′-chelating ligand. They stabilize the Cu(I) oxidation state and we have synthesized [Cu(RLR′)₂](ClO₄) (5, 6). These complexes show a moderately intense visible band (500–600 nm) which has been assigned to 3d(Cu) → π*(ligand) transition. Ag(I) complexes of RLR′ (7, 8) are also very stable under ambient conditions and show weak transitions in the visible region. The Cu(I)-complexes show high potential Cu(II)/Cu(I) redox couple > 0.4 V vs Ag, AgCl/Cl⁻ reference electrode. All these complexes have been structurally characterized by ¹H NMR spectroscopic data.     

丁二酮肟双核铜配合物的合成、结构和性能表征

The structure of [Cu₂(Hdmg)₄] (Hdmg=dimethylglyoxime anion) has been determined by X-ray crystallog-raphy. It is monoclinic, space group P2₁/n, with Z=2. The lattice parameters: a=0.71601(14)nm; b=1.7044(3)nm; c=1.0126(4)nm; β=113.89(2)°; M_r=587.52 (C₁₆H₂₈Cu₂N₈O₈); V=1.1299(5)nm³. The copper atom lies in a distorted square-pyramidal environment. The four equatorial donors are four nitrogen atoms from bidentate chelate dimethylglyoxime anion ligands. The oxygen atom from the dimethylglyoxime ligand acts as a bridging atom occupying the apical position of the symmetry-related copper atom in the dimer structure. The two dimethylglyoximes bridge two copper atoms to form a six-member Cu₂O₂N₂ ring, respectively. The thermal gravity (TG) data indicate that the compound [Cu₂(Hdmg)₄] undergoes two exothermic reactions with loss of the organic ligand to give residue CuO. CCDC: 208729.     

Synthesis and Structure of （2，2′－Bipyridine） Dibenzoato Copper（Ⅱ） Mono Hydrate

ＳｙｎｔｈｅｓｉｓａｎｄＳｔｒｕｃｔｕｒｅｏｆ（２，２′－Ｂｉｐｙｒｉｄｉｎｅ）ＤｉｂｅｎｚｏａｔｏＣｏｐｐｅｒ（Ⅱ）ＭｏｎｏＨｙｄｒａｔｅ￥ＹａｎｇＲｕｉ－Ｎａ；ＷａｎｇＤｏｎｇ－Ｍｅｉ；ＪｉｎＤｏｕ－Ｍａｎ（ＨｅｎａｎＩｎｓｔｉｔｕｔｅｏｆＣｈｅ...     

Synthesis, Structure and Magnetic Properties of Two New Homotrinuclear Bis(oxamato) Copper(II) Complexes

ＩｎｔｒｏｄｕｃｔｉｏｎＭｏｌｅｃｕｌａｒｍａｇｎｅｔｉｓｍｏｆｐｏｌｙｎｕｃｌｅａｒｃｏｍｐｌｅｘｅｓｉｓｏｆｃｏｎｓｉｄｅｒａｂｌｅｉｎｔｅｒｅｓｔｆｏｒｄｅｓｉｇｎｉｎｇｎｅｗｍａｇｎｅｔｉｃｍａｔｅｒｉａｌｓａｎｄｆｏｒｉｎｖｅｓｔｉｇａｔｉｎｇｔｈｅｒｅｌａｔｉｏｎｓｈｉｐｂｅｔｗｅｅｎｔｈｅｓｔｒｕｃｔｕｒｅａｎｄｔｈｅｒｏｌｅｏｆｔｈｅｐｏｌｙｍｅｔａｌｌｉｃａｃｔｉｖｅｓｉｔｅｓｉｎｂｉｏｌｏｇｉｃａｌｓｙｓｔｅｍｓ.1 4 Ｊｏｕｒｎａｕｘｅｔａｌ .5ｈａｖｅｒｅｃｅｎｔｌｙｐｒｏｐ…     

Synthesis,Crystal Structures,and Magnetic Properties of Two Copper(II) Radical Heterospin Complexes

Two heterospin complexes [Cu(NIT3Py)(cda)H₂O] · H₂O ( 1 ) and [Cu(NIT2Py)(cda)H₂O] · H₂O · CH₃OH ( 2 ) with Cu^II ions and pyridyl‐substituted nitronyl nitroxide radicals (NITxPy = 2‐(x′‐pyridyl)‐4,4,5,5‐tetramethyl‐imidazoline‐1‐oxyl‐3‐oxide, x = 3, 2; H₂cda = 4‐hydroxy‐pyridine‐2,6‐dicarboxylic acid) were synthesized and characterized structurally and magnetically. The single crystal structures show that the two complexes are both two‐spin complexes, in which the different radicals make the two complexes have different hydrogen bonding interactions to form 2D and 1D supramolecular network for complexes 1 and 2 , respectively. The magnetic measurements indicate that complexes 1 and 2 both exhibit antiferromagnetic interactions between Cu^II and radicals.