Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Wen Xia Tang"'
Publikováno v:
Chinese Journal of Chemistry. 10:45-51
A new imidazolate bridged Cu2+, Zn2+ binuclear complex [(dtma) CuImZn (dtma)]ClO4 · 2.5H2O taken as active site model for Cu, Zn-SOD has been synthesized and its crystal structure determined. All the bond lengths, bond angles and the distance betwee
Publikováno v:
Chinese Journal of Chemistry. 12:33-42
Two new coenzyme B12 analogues, 2′,5′-dideoxycytidylcobalamin (2a) and 2′,5′-dideoxyuridinylcobalamin (2b), and two others, 2′,5′-dideoxyadenosylcobalamin (2c), and 5′-deoxythymidylcobalamin (2d) were prepared by an improved method. All
Publikováno v:
Chinese Journal of Chemistry. 11:201-209
The X-ray crystal structure of [(dtma)ZnImZn(dtma)]C1O4·2.5H2O (Hdtma=4-Diethyl-enetriamineacetic acid) was determined. The crystal is of orthorhombic, space group Pbcn with a=14.104(5), b=14.897(5), c=25.384(9)A, and Z=8. The least-square refinemen
Publikováno v:
Chinese Journal of Chemistry. 12:43-51
A new μ3-O triiron(III) complex [Fe3O(OBz)6(CH3OH)3](NO3)(CH3OH)2 (HOBZ = benzoic acid) has been synthesized, its structure has been determined and variable temperature magnetic susceptility has also been measured. In the molecule, three iron atoms
Publikováno v:
Chinese Journal of Chemistry. 10:40-44
Equilibrium constants for the binding of azide to ferri-cytochrome c at temperature range-of 305–325 K were determined at pH =7 by using 1H double resonance method. Thermodynamic values (ΔH° =-34.5 kJ/mol, ΔS°=-100 J/mol) were obtained from van
Autor:
Wen-Hu Wang, Chengmin Qian, Jinfeng Wang, Yun-Hua Wang, Xie Yi, Keqiong Ye, Zhong-Xian Huang, Junxia Lu, Yong Yao, Wen-Xia Tang
Publikováno v:
Protein Science. 10:2451-2459
The solution structure of oxidized bovine microsomal cytochrome b(5) mutant (E48, E56/A, D60/A) has been determined through 1524 meaningful nuclear Overhauser effect constraints together with 190 pseudocontact shift constraints. The final family of 3
Publikováno v:
Inorganica Chimica Acta. 357:2385-2389
The reaction between 1,3,5-tris(imidazol-1-ylmethyl)-2,4,6-trimethylbenzene (titmb) and [Ag(NH3)2][Hsal] (H2sal=salicylic acid) produces novel complex [Ag2(titmb)2][Hsal]2 · 3H2O (1). There are two unique silver centers in complex 1 with one serving
Publikováno v:
European Journal of Inorganic Chemistry. 2004:1894-1901
A dinuclear CuII complex containing a hexaaza macrocyclic ligand bearing two 2-hydroxypropyl pendants, 3,6,9,16,19,22-hexaaza-6,19-bis(2-hydroxypropyl)tricyclo[22.2.2.211,14]triaconta-1,11,13,24,27,29-hexaene (L), was synthesized. The title complex [
Autor:
Norikazu Ueyama, Bin Sui, Jian Fan, Wen-Xia Tang, Yue-Qing Zheng, Wei-Yin Sun, Taka-aki Okamura
Publikováno v:
Crystal Growth & Design. 4:579-584
Two coordination polymers [Ag(bib)]NO3·H2O (1) and [Ag(bib)]ClO4 (2) with one-dimensional (1D) chain structure were synthesized by reactions of ditopic ligand containing imidazole donors, namely, 1-bromo-3,5-bis(imidazol-1-ylmethyl)benzene (bib), wi
Autor:
Taka-aki Okamura, Zhenwu Li, Wen-Xia Tang, Yi-Zhi Li, Xing-Mei Ouyang, Wei-Yin Sun, Norikazu Ueyama
Publikováno v:
Journal of Solid State Chemistry. 177:350-360
A macrocyclic ligand L with two diethylenetriamine units linked by two rigid biphenylene spacers was used as building block for construction of metal-organic frameworks. A silver(I) complex with macrocyclic and open-chain mix-type ligands [Ag2(L)(L