نتایج جستجو برای: asymmetric cationic porphyrin
تعداد نتایج: 91062 فیلتر نتایج به سال:
The asymmetric unit of the title compound (C6H14N2)[CdCl4]·H2O contained one 1,4-di-aza-bicyclo-[2.2.2]octane dication, a tetrahedral CdCl4 (2-) anion and a lattice water mol-ecule. In the crystal, the solvate water mol-ecule inter-acts with the cationic and anionic species via N-H⋯O and O-H⋯Cl [O⋯Cl = 3.289 (7) Å] hydrogen-bond inter-actions, respectively, leading to a layered supramolecular s...
A homogeneous catalyst system for the asymmetric cis-hydrogenation of 2,5-disubstituted furans leading to 2',3'-dideoxynucleoside analogues is described. Best enantioselectivities (ee values of up to 72%) were obtained with cationic rhodium complexes ligated by diphospholanes of the butiphane family. The selectivity of the hydrogenation was reversed by the addition of a base or a polar protic s...
Citation for published version: Butts, CP, Filali, E, Lloyd-jones, GC, Norrby, P, Sale, DA & Schramm, Y 2009, 'Structure-Based Rationale for Selectivity in the Asymmetric Allylic Alkylation of Cycloalkenyl Esters Employing the Trost ‘Standard Ligand’ (TSL): Isolation, Analysis and Alkylation of the Monomeric form of the Cationic 3-Cyclohexenyl Complex [(3-c-C6H9)Pd(TSL)]+' Journal of the Americ...
..................................................................................................... 40 Introduction................................................................................................. 41 Experimental section....................................................................................... 46 Materials..............................................................
Plasma levels of asymmetric dimethylarginine or markers of reactive oxygen species are increased in subjects with risk factors for cardiovascular disease or chronic kidney disease. We tested the hypothesis that reactive oxygen species generate cellular asymmetric dimethylarginine that together cause endothelial dysfunction that underlies the risk of subsequent disease. Rat preglomerular vascula...
This study aims to demonstrate the coordination of oxygen regarding the hemophore HasApf expressed by Escherichia coli cells, which appears to create an unlikely oxygen-activating system in HasA due to the already-coordinated iron. In the asymmetric oxidation of rac-1-(6-methoxynaphthalen-2-yl)ethanol (rac-1) using dissolved oxygen, the signals at g-values of 2.8, 2.22, and 1.72 in the electron...
spirometry has been used as a common diagnostic test in asthma. most of the patients with a mild asthma have a fev1 within normal range. hence, other diagnostic methods are usually used. the aim of this study was to evaluate whether eosinophil cationic protein (ecp) could be an accurate diagnostic marker of mild asthma. in this study diagnosis of asthma was made according to internationally acc...
Two manganese(III) porphyrins: manganese(III) tetraphenylporphyrin chloride and manganese(III)-tetrakis(3-hydroxyphenyl)porphyrin chloride were tested as ionophores for the construction of new diclofenac-selective electrodes. The electroactive material was incorporated either in PVC or a sol-gel matrix. The effect of different plasticizers and additives (anionic and cationic) on the potentiomet...
The aim of the present study was to investigate the potential effects of photodynamic therapy (PDT) mediated by the cationic porphyrin, 5,10,15,20-tetra-(N-methyl-4-pyridyl)porphine (TMPyP4), on an ovarian carcinoma cell line and the underlying mechanisms by which TMPyP4-PDT exerts its actions. The analysis of cell viability, hematoxylin and eosin staining and flow cytometric apoptosis assays r...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید