期刊文献+
共找到7篇文章
< 1 >
每页显示 20 50 100
Synthesis, Structure and Norbornene Polymerization Catalyzed by Bis{1-[[(3- ethyl-6-methyl-2-pyridinyl)imino]methyl- enyl]-2-naphthalenolato-N,O}nickel( Ⅱ) 被引量:5
1
作者 李超 孟素琴 +3 位作者 兰梅英 俞颖华 陈建新 张治纯 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2014年第2期289-293,共5页
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-naphthale... 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. 展开更多
关键词 nickel complex catalyst crystal structure norbornene polymerization
下载PDF
Synthesis, Structure and Norbornene Polymerization Catalyzed by Nickel(Ⅱ) Complex Bearing N,O-bis(1-(6-ethylpyridin-2-ylimino)-methylenyl)naphthalen-2-ol Ligand 被引量:2
2
作者 兰梅英 梁红 +4 位作者 路学春 邓建琴 程星 陈建新 张治纯 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2015年第3期447-452,共6页
The title complex bis{1-{[(6-ethyl-2-pyridinyl)imino]methylenyl}-2-naphthale- nolato-N,O}-nickel(lI) (C36H32NnO2Ni) has been synthesized by the reaction of l-{[(6-ethyl-2- pyridinyl)imino]methylenyl}-2-naphtha... The title complex bis{1-{[(6-ethyl-2-pyridinyl)imino]methylenyl}-2-naphthale- nolato-N,O}-nickel(lI) (C36H32NnO2Ni) has been synthesized by the reaction of l-{[(6-ethyl-2- pyridinyl)imino]methylenyl}-2-naphthalenol with Ni(CH3COO)2·4H2O, and characterized by IR spectrum, elemental analysis and TG. The complicated space structure has been confirmed by single-crystal X-ray diffraction analysis. The crystal belongs to the monoclinic system, space group P21/c with a = 11.410(4), b = 14.382(4), c = 18.121(6) ,A, β = 97.147(6)% V= 2950.5(16)A3, C36H32N4O2Ni, Mr = 611.37, Z = 4, Dc = 1.376 g/cm3, μ = 0.698 mm-1 F(000) = 1280, the final R = 0.0519 and wR = 0.1493 (1 〉2σ(I)). This title compound was used as precatalysts for the polymerisation of norbornene. When activated with MAO, the complex exhibited excellent catalytic activity up to 1.98 × 107 g ofPNB (mol of Ni)-1 h-1 with high monomer conversion. 展开更多
关键词 nickel complex crystal structure catalyst norbornene polymerization
下载PDF
Synthesis, Structure and Norbornene Polymerization Catalyzed by o-Benzene Diimine Di-nuclear Palladium(Ⅱ) Complex 被引量:1
3
作者 李超 兰梅英 +2 位作者 孟素芹 陈建新 张治纯 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2014年第4期607-611,共5页
The title complex, C20H17N4Pd2Cl3·0.5CH3OH, crystallizes in the triclinic system, space group Pī with α = 9.927(6), b = 11.079(6), c = 11.233(6) ?, a = 73.970(12), β = 85.738(16), γ = 83.300(12)o... The title complex, C20H17N4Pd2Cl3·0.5CH3OH, crystallizes in the triclinic system, space group Pī with α = 9.927(6), b = 11.079(6), c = 11.233(6) ?, a = 73.970(12), β = 85.738(16), γ = 83.300(12)o, V = 1178.1(11) ?3, Mr = 648.55, Z = 2, Dc = 1.520 g/cm3, μ = 1.884 mm-1, F(000) = 634, the final R = 0.0460 and wR = 0.1280. This title compound was investigated for the catalytic behavior towards norbornene (NB) vinyl addition polymerization. And the complex exhibits good catalytic activity to catalyze norbornene polymerization using MAO as a cocatalyst. 展开更多
关键词 palladium complex catalyst crystal structure norbornene polymerization
下载PDF
Synthesis, Structure and Norbornene Polymerization Catalyzed by Palladium Complex Bearing the 1,3-Diphenyl-2-((quinolin-8-ylamino)-methylene)-propane-1,3-dione Ligand 被引量:1
4
作者 俞颖华 陈建新 +3 位作者 孟素芹 李超 兰梅英 张治纯 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2013年第4期620-624,共5页
The title complex 1,3-diphenyl-2-((quinolin-8-ylamino)methylene)propane-l,3- dione-palladium was synthesized by the reaction of 1,3-diphenyl-2-((quinolin-8-ylamino)-methylene)propane-1,3-dione with PdCl2, and ... The title complex 1,3-diphenyl-2-((quinolin-8-ylamino)methylene)propane-l,3- dione-palladium was synthesized by the reaction of 1,3-diphenyl-2-((quinolin-8-ylamino)-methylene)propane-1,3-dione with PdCl2, and characterized by IR spectrum and single-crystal X-ray diffraction analysis. The crystal belongs to the orthorhombic system, space group P21212 with a = 21.838(4), b = 8.3952(17), c = 11.497(2) A, V= 2107.9(7) A3, C25H17C1N2O2Pd, Mr = 519.26, Z= 4, Dc= 1.636 g/cm3, H = 1.032 mm-1, F (000) = 1040, the final R = 0.0307 and wR = 0.0778. This compound was investigated for the catalytic behavior towards norbornene (NB) vinyl addition polymerization. And the complex exhibits excellent catalytic activities up to 2.18×10^8g of PNB (tool of Pd)-1 h-1 with high monomer conversion using methylaluminoxane (MAO) as the cocatalyst. 展开更多
关键词 palladium complex norbornene polymerization catalyst crystal structure
下载PDF
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
5
作者 孟素芹 李超 +3 位作者 俞颖华 兰梅英 陈建新 张治纯 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2014年第1期115-121,共7页
The title complex N,N'-bis(2-benzoyl-3-oxobutane)-trans-l,2-diaminocyclo- hexane-palladium (C28H28N2PdO4) has been synthesized by the reaction of N,N'-bis(2- benzoyl-3-oxobutane)-trans-l,2-diamino-cyclohexane ... The title complex N,N'-bis(2-benzoyl-3-oxobutane)-trans-l,2-diaminocyclo- hexane-palladium (C28H28N2PdO4) has been synthesized by the reaction of N,N'-bis(2- benzoyl-3-oxobutane)-trans-l,2-diamino-cyclohexane with PdCI2, and characterized by ele- mental 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) A, fl = 102.75(3)°, V = 5668(2) A3, C28H28N2PdO4·CH3OH, Mr = 594.97, Z = 8, Dc = 1.394 g/cm3, μ(MoKa) = 0.694 mm-1, F(000) = 2448, T= 293(2) K, R = 0.0572 and wR = 0.1347 (I〉 2σ(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 9.97x 106g of PNB (mol of Pd)-1 h-1 with high monomer conversion using methylaluminoxane (MAO) as a cocatalyst. 展开更多
关键词 palladium complex crystal structure norbornene polymerization catalyst
下载PDF
磷钼杂多化合物[H_3PMo_(12)O_(40)]·2(4,4'-bipy)·1.75H_2O的合成、结构及电化学性能研究
6
作者 孟素芹 兰梅英 +2 位作者 李超 陈建新 张治纯 《福建师范大学学报(自然科学版)》 CAS CSCD 北大核心 2014年第1期71-77,共7页
采用水热法合成了一个有机-无机杂化的Keggin型磷钼杂多化合物[H3PMo12O40]·2(4,4'-bipy)·1.75H2O(简称化合物1 bipy=联吡啶);通过元素分析、单晶X-射线衍射对其结构进行表征.结果表明,该化合物属于单斜晶系,P2(1)/c空间... 采用水热法合成了一个有机-无机杂化的Keggin型磷钼杂多化合物[H3PMo12O40]·2(4,4'-bipy)·1.75H2O(简称化合物1 bipy=联吡啶);通过元素分析、单晶X-射线衍射对其结构进行表征.结果表明,该化合物属于单斜晶系,P2(1)/c空间群,晶胞参数a=1.146 6(3)nm,b=2.122 7(6)nm,c=2.146 1(7)nm,β=98.082(12)°,V=5.171 0(3)nm3,C20H19Mo12N4O41.75P,Mr=2 165.64,Z=4,Dc=2.782 Mg·m-3,μ(MoKα)=2.946 mm-1,F(000)=4 080,R=0.062 2和wR=0.182 2.该化合物由一个Keggin型结构的多阴离子[PMo12O40]3-、两个2,2'-联吡啶和1.75个晶格水分子组成.杂多阴离子中的端氧原子、联吡啶分子中的氮原子以及水分子中的氧原子之间通过氢键作用形成超分子结构而使晶体稳定存在.通过循环伏安法详细研究了该化合物的微粒修饰电极的电化学行为和电催化性能. 展开更多
关键词 KEGGIN型 杂多酸 晶体结构 电化学 循环伏安
原文传递
依法维权,确保农民工合法权益 被引量:1
7
作者 兰梅英 《就业与保障》 2008年第4期40-40,共1页
随着城镇经济的发展,外来人口特别是农民工逐年增加,企业非法用工、拖欠工资等现象也逐渐增多,极大地危害了农民工的合法权益。去年,福建省三明市梅列区在省、市农民工工作联席会议的有力指导下,紧紧围绕省农民工联席会议下发的"... 随着城镇经济的发展,外来人口特别是农民工逐年增加,企业非法用工、拖欠工资等现象也逐渐增多,极大地危害了农民工的合法权益。去年,福建省三明市梅列区在省、市农民工工作联席会议的有力指导下,紧紧围绕省农民工联席会议下发的"三年行动方案",依法维护农民工的合法权益,取得了一定的成效:建立健全了农民工工作联席会议制度;成功推荐就业并签定一年以上劳动合同的农民工4201人,占全年职业介绍人员86.35%;为726名农民工追回欠薪180.45万元;将农民工纳入养老、医疗、工伤、失业、生育等保险,仅参加工伤保险农民工就达6085人。 展开更多
关键词 农民工合法权益 依法维权 联席会议制度 工伤保险 城镇经济 外来人口 非法用工 拖欠工资
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部