A combined experimental and theoretical study of dinitrosyl iron complexes containing chelating bis(diphenyl)phosphinoX (X = benzene, propane and ethylene): X-ray crystal structures and properties influenced by the presence or absence of π-bonds in chelating ligands [0.03%]
关于含双齿螯合剂(PPh2)2X(X=苯,丙烯和乙烯)的亚硝基铁配合物的联合实验与理论研究:X射线晶体结构以及螯合配体中π键的存在与否对性质的影响
Lauren R Holloway,Andrew J Clough,Jessica Y Li et al.
Lauren R Holloway et al.
Recent discoveries involving the roles of nitric oxide in humans have stimulated intense interest in transition metal nitrosyl complexes. A series of dinitrosyl iron complexes with the formula [(DPPX)Fe(NO)2], {DPPX = 1,2-bis(diphenylphosph...
Oxidative Reactivity and Cytotoxic Properties of a Platinum(II) Complex Prepared by Outer-Sphere Amide Bond Coupling [0.03%]
通过外球酰胺键偶联法合成的铂(ii)配合物的氧化反应活性和细胞毒性性质
Justin J Wilson,Stephen J Lippard
Justin J Wilson
Benzyl amine was coupled to the dangling carboxylic acid groups of the platinum(II) complex [Pt(edda)Cl2], where edda = ethylenediamine-N,N'-diacetic acid, to give the diamidetethered complex [Pt(L)Cl2] (1), where L = ethylenediamine-N,N'-b...
The Crystal Structure of Oxaliplatin: A Case of Overlooked Pseudo Symmetry [0.03%]
奥沙利铂的晶体结构:被忽略的假对称性的一个例子
Timothy C Johnstone
Timothy C Johnstone
The crystal structure of the anticancer drug oxaliplatin, [Pt(R,R-DACH)(oxalate)] (DACH = diaminocyclohexane), was first reported in the non-centrosymmetric space group P21, confirming the sole presence of the R,R enantiomer of the DACH lig...
New heme-dioxygen and carbon monoxide adducts using pyridyl or imidazolyl tailed porphyrins [0.03%]
具有吡啶基或咪唑基侧尾的血红素-氧和一氧化碳配体加合物的新研究
Yuqi Li,Savita K Sharma,Kenneth D Karlin
Yuqi Li
Inspired by the chemistry relevant to dioxygen storage, transport and activation by metalloproteins, in particular for heme/copper oxidases, and carbon monoxide binding to metal-containing active sites as a probe or surrogate for dioxygen b...
Paramagnetic 19F NMR and Electrospray Ionization Mass Spectrometric Studies of Substituted Pyridine Complexes of Chromium(III): Models for Potential Use of 19F NMR to Probe Cr(III)-Nucleotide Interaction [0.03%]
铬(III)取代吡啶配合物的顺磁性~(19)FNMR和电喷雾离子化质谱研究:用于潜在使用~(19)FNMR探测Cr(III)-核苷酸相互作用模型
Nicholas R Rhodes,Ken Belmore,Carolyn J Cassady et al.
Nicholas R Rhodes et al.
The synthesis and characterization of chromium basic carboxylate complexes, [Cr3(O2CR)6L3]+, containing trifluoroacetate, 3-fluoropyridine, 3-trifluoromethylpyridine, and 4-trifluoromethylpyridine are described. The substituted pyridine lig...
Structural characterization of 1,3-propanedithiols that feature carboxylic acids: Homologues of mercury chelating agents [0.03%]
含羧基的1,3-丙烷二硫化合物的结构特征研究:一类汞螯合剂类似物
Wesley Sattler,Joshua H Palmer,Christy C Bridges et al.
Wesley Sattler et al.
The molecular structures of a series of 1,3-propanedithiols that contain carboxylic acid groups, namely rac- and meso-2,4-dimercaptoglutaric acid (H4DMGA) and 2-carboxy-1,3-propanedithiol (H3DMCP), have been determined by X-ray diffraction....
Lay Ling Tan,R H Holm,Sonny C Lee
Lay Ling Tan
The generalized cluster type [M4(μ3-Q)4L n ] x contains the cubane-type [M4Q4] z core unit that can approach, but typically deviates from, perfect Td symmetry. The geometric properties of this structure have been analyzed with reference to...
Kinetics of CO Recombination to the Heme in Geobacillus Stearothermophilus Nitric Oxide Synthase [0.03%]
热嗜热脂肪芽胞杆菌一氧化氮合酶中CO与血红素的重新结合动力学研究
Charlotte A Whited,Jeffrey J Warren,Katherine D Lavoie et al.
Charlotte A Whited et al.
We report the kinetics of CO rebinding to the heme in His134Ser, Ile223Val and His134Ser/Ile223Ser mutants of Geobacillus stearothermophilus nitric oxide synthase (gsNOS). The amplitudes of the two observed kinetics phases, which are insens...
Decomposition of a Mixed-Valence [2Fe-2S] Cluster to Linear Tetra-Ferric and Ferrous Clusters [0.03%]
混合价[2Fe-2S]簇分裂生成线性四铁和亚铁簇
Caroline T Saouma,Werner Kaminsky,James M Mayer
Caroline T Saouma
Despite the ease of preparing di-ferric [2Fe-2S] clusters, preparing stable mixed-valence analogues remains a challenge, as these clusters have limited thermal stability. Herein we identify two decomposition products of the mixed-valence th...
Sulfide Oxidation by O2: Synthesis, Structure and Reactivity of Novel Sulfide-Incorporated Fe(II) Bis(imino)pyridine Complexes [0.03%]
硫化物的氧化:新型含硫代铁(II)双(亚氨基)吡啶配合物的合成、结构与反应性研究
Leland R Widger,Maxime A Siegler,David P Goldberg
Leland R Widger
The unsymmetrical iron(II) bis(imino)pyridine complexes [FeII(LN3SMe)(H2O)3](OTf)2 (1), and [FeII(LN3SMe)Cl2] (2) were synthesized and their reactivity with O2 was examined. Complexes 1 and 2 were characterized by single crystal X-ray cryst...