三啮镍配合物的合成、结构及催化降冰片烯活性研究

合成含2-氨基苯基二苯基膦水杨醛配体(三啮(P) (N)O 配体)的3个后过渡金属镍配合物催化剂;采用元素分析、红外光谱和单晶衍射实验等方法对配合物的结构进行表征;研究了配合物对降冰片烯聚合的催化活性和影响因素.实验表明,在以甲基铝氧烷(MAO)为助催化剂时,配合物对降冰片烯聚合显示出良好的催化活性;聚合产物呈现良好的...     

Synthesis,Structure and Norbornene Polymerization Catalyzed by Bis{1-[[(3- ethyl-6-methyl-2-pyridinyl)imino]methyl- enyl]-2-naphthalenolato-N,O}nickel( Ⅱ)

The title complex bis{1-[[(3-ethyl-6-methyl-2-pyridinyl)imino]methylenyl]- 2-na- phthalenola-to-N,O}nickel has been synthesized by the reaction of 1-[[(3-ethyl-6-methyl-2- pyridinyl) imino] methylenyl]-2-naphthalenol with Ni(CH3 COO)2 ·4H2 O, and characterized by IR spectrum and single-crystal X-ray diffraction analysis. The crystal belongs to the orthorhombic system, space group Pbca with a = 11.100(2), b = 15.900(3), c = 18.000(4), V = 3176.8(11)3, C38 H34 N4 NiO2, Mr = 637.40, Z = 4, Dc = 1.333 g/cm3, μ = 0.651 mm-1, F(000) = 1336, the final R = 0.0783 and wR = 0.2119. This title compound was investigated for the catalytic behavior towards norbornene(NB) vinyl addition polymerization. And the complex exhibited good catalytic activity to catalyze norbornene polymerization using MAO as a cocatalyst.     

杂多钨硅酸盐的水热合成、晶体结构及其性质研究

在水热条件下合成了一个由过渡金属有机配位亚单元通过超分子相互作用和静电作用修饰的多金属氧酸盐[V1(1,10-phen)3]2[SiWv112O40]·C4H10N2,通过单晶X-射线衍射和红外光谱对其结构进行表征,并研究了其荧光性质和电化学行为.结果表明,标题化合物属三斜晶系,Pi-空间群,晶胞参数a=1.31940...     

Synthesis,Structure and Norbornene Polymerization Activity of a Novel Palladium(Ⅱ) Complex with N,N-bis(2-benzoyl-3-oxobutane)-trans-1,2-diaminocyclohexane Ligand

The title complex N,N-bis(2-benzoyl-3-oxobutane)-trans-1,2-diaminocyclohexane-palladium(C28H28N2PdO4) has been synthesized by the reaction of N,N-bis(2-benzoyl-3-oxobutane)-trans-1,2-diamino-cyclohexane with PdCl2,and characterized by elemental analysis,IR spectrum,WAXD and TG.The spatial structures of the complex have been confirmed by single-crystal X-ray diffraction analysis.The compound crystallizes in the monoclinic system,space group C2/c with a = 29.763(6),b = 10.320(2),c = 18.921(4) ,β = 102.75(3)°,V = 5668(2) 3,C28H28N2PdO4·CH3OH,Mr = 594.97,Z = 8,Dc = 1.394 g/cm3,μ(MoKα) = 0.694 mm-1,F(000) = 2448,T = 293(2) K,R = 0.0572 and wR = 0.1347(I 2(I)).The compound was investigated for the catalytic behavior towards norbornene(NB) vinyl addition polymerization.And the palladium complex showed excellent catalytic activity up to 9.97×106 g of PNB(mol of Pd)-1 h-1 with high monomer conversion using methylaluminoxane(MAO) as a cocatalyst.     

3个联苯甲酰类配体的合成与晶体结构

合成得到3个新型联苯甲酰类配体C6H5N=CPh(C=O)Ph(L1)、2,6-(CH3)2C6H5N=CPh(C=O)Ph(L2)及2,6-(CH(CH3)2)2C6H5N=CPh(C=O)Ph(L3).利用红外光谱分析对其结构进行表征;并通过单晶XRD测定了配体L1、L2的晶体结构(CCDC No:860489&860490);元素分析进一步确定了配体L3的结构.