机译:N-烷基苯甲酰胺-2,3-二硫醇盐的配位化学,作为聚(二硫醇盐)配体的一种方法:1,4-双[(2,3-二巯基苯甲酰胺基)甲基]苯及其与(C5H5)Ti片段的螯合物
; a = 10.1778(11), b = 11.5806(14), c = 22.967(3) Angstrom; alpha = 96.42(1), beta = 101.74(1), gamma = 108.82(1)degrees; V = 2462.3(5) Angstrom(3); Z = 6; R = 4.79 and R-w = 13.27 for 5426 structure factors (I greater than or equal to 2 sigma(I)) and 766 refined parameters. All titanocene derivatives assume the envelope conformation. The free activation energy for the flip around the S-S axis was determined for 13 to be 69 kJ/mol. The bis(dithiolate) ligand 1,4-bis[(2,3-dimercaptobenzamido)methyl]benzene (H-4-4) was prepared from 2,3-dimercaptobenzoic acid and converted into the dinuclear air-stable titanocene complex [{(eta(5)-C5H5)(2)Ti}(2)(4)] (19). Complex 19 reacts with HCl/CHCl3 with liberation of free H-4-4 while reaction with NMe4Cl results in an intramolecular dithiolate shift under formal liberation of [(C5H5)(3)TiCl] and formation of the square-pyramidal chelate complex (NMe4)[(eta(S)-C5H5)Ti(4)], (NMe4)[20]. Crystallographic details for (NMe4)[20]. CH2Cl2 are as follows: formula C32H35Cl2N3O2S4Ti; M = 740.67;
; a = 11.579(4), b = 12.210(4), c = 14.016(4) Angstrom; alpha = 112.28(2), beta = 94.46(3), gamma = 104.22(3)degrees; V = 1744.9(10) Angstrom(3); Z = 2; R = 5.35 and R-w = 12.84 for 2870 structure factors (I greater than or equal to 2 sigma(I)) and 397 refined parameters. The chelate rings in [20](-) assume an endo/exo conformation. [References: 56]
; a = 10.1778(11),b = 11.5806(14),c = 22.967(3)埃; alpha = 96.42(1),beta = 101.74(1),gamma = 108.82(1)度; V = 2462.3(5)埃(3); Z = 6;对于5426个结构因子(I大于或等于2 sigma(I))和766个精炼参数,R = 4.79和R-w = 13.27。所有钛茂衍生物均具有包膜构象。围绕S-S轴的翻转的自由活化能确定为13为69 kJ / mol。由2,3-二巯基苯甲酸制备双(二硫代)配体1,4-双[(2,3-二巯基苯甲酰胺基)甲基]苯(H-4-4),并转化为双核空气稳定的钛茂复合物[{ (eta(5)-C5H5)(2)Ti}(2)(4)](19)。配合物19与HCl / CHCl3反应,释放出游离H-4-4,而与NMe4Cl反应,在[(C5H5)(3)TiCl]正式释放下导致分子内二硫醇盐移位,并形成方形-金字塔形螯合物(NMe4 )[(eta(S)-C5H5)Ti(4)],(NMe4)[20]。 (NMe4)[20]的晶体学细节。 CH2Cl2如下:式C32H35Cl2N3O2S4Ti; M = 740.67;
; a = 11.579(4),b = 12.210(4),c = 14.016(4)埃; alpha = 112.28(2),beta = 94.46(3),gamma = 104.22(3)度; V = 1744.9(10)埃(3); Z = 2;对于2870个结构因子(I大于或等于2 sigma(I))和397个精炼参数,R = 5.35和R-w = 12.84。 [20](-)中的螯合环呈内/外构象。 [参考:56]
Transition-metal complexes; Molecular-structure; Sulfur ligands; 1; 2-dithiolene complexes; Crystal-structure; Thiolate ligands; Isotrithionedithiolate; Bis(isotrithionedithiolato)nickelate(ii); Lithiation; Hydrogen;
机译:N-烷基苯甲酰胺-2,3-二硫醇盐的配位化学,作为聚(二硫醇盐)配体的一种方法:1,4-双[(2,3-二巯基苯甲酰胺基)甲基]苯及其与(C5H5)Ti片段的螯合物
机译:双(吡嗪-2,3-二硫盐和-二膦酸盐)d〜8-金属配合物中配体的纯净度和非纯净度。 Cu(iii),Au(iii)和Ni(ii)情况的理论和实验研究
机译:具有P_2Pd(S_2)核的多核异双核钯(II)络合物:(PdCl_2)_2(mu-Ph2PC与CPPh_2)_2和[Pd(MET)] _ 2(mu-Ph_2PC与CPPh_2)_2的X射线晶体结构其中MET是(Z)-1,4-二甲氧基-1,4-二氧代丁-2-烯-2,3-二硫代酸酯
机译:柔性配体配位聚合物的合成和晶体结构CO_3(BPD)_(5.5)(NCS)_6(NH_3) _ N·2H_2O(BPD = 1,4-双(4-吡啶基)-2,3-第二次 - 1,3-丁二烯)
机译:包含螯合双(二苯基)膦基X(X =苯丙烷和乙烯)的二亚硝酰基铁配合物的组合实验和理论研究:X射线晶体结构和性质受螯合配体中π键存在或不存在的影响
机译:中性镍双晶体结构和分子结构(5,6-二氢-1,4-二辛-2,3-二硫酸盐),Ni(DDDT)2
机译:二价双(五甲基环戊二烯基)镧系配合物与非经典配体的配位化学