نتایج جستجو برای: mononuclear complex

تعداد نتایج: 809035  

Journal: :Chemical communications 2005
Jamespandi Annaraj Yumi Suh Mi Sook Seo Sun Ok Kim Wonwoo Nam

A mononuclear nonheme ferric-peroxo complex bearing a macrocyclic tetradentate N4 ligand, [(TMC)Fe(III)-O2]+, was prepared and used in mechanistic studies of aldehyde deformylation; a catalytic aldehyde deformylation by a nonheme iron(II) complex, [Fe(II)(TMC)]2+, and molecular oxygen is reported as well.

2014
Chien-Wei Chiang Scott T. Kleespies Heather D. Stout Katlyn K. Meier Po-Yi Li Emile L. Bominaar Lawrence Que Eckard Münck Way-Zen Lee

O2 bubbling into a THF solution of Fe(II)(BDPP) (1) at -80 °C generates a reversible bright yellow adduct 2. Characterization by resonance Raman and Mössbauer spectroscopy provides complementary insights into the nature of 2. The former shows a resonance-enhanced vibration at 1125 cm(-1), which can be assigned to the ν(O-O) of a bound superoxide, while the latter reveals the presence of a high-...

Journal: :Chemical communications 2013
Domenick F Leto Rena Ingram Victor W Day Timothy A Jackson

A non-porphyrinic, mononuclear oxomanganese(IV) complex was generated at room temperature and characterized by spectroscopic methods. The Mn(IV)=O adduct is capable of activating C-H bonds by a H-atom transfer mechanism and is more reactive in this regard than most Mn(IV)=O species.

Journal: :The Journal of Experimental Medicine 1981
B S Schwartz T S Edgington

It has previously been described that soluble antigen:antibody complexes in antigen excess can induce an increase in the procoagulant activity of human peripheral blood mononuclear cells. It has been proposed that this response may explain the presence of fibrin in immune complex-mediated tissue lesions. In the present study we define cellular participants and their roles in the procoagulant re...

2016
Merry Mitra Rajarshi Ghosh

Metalloenzymes that activate molecular oxygen possess great potential as catalyst for specific oxidation reactions and as guides for the development of efficient small molecule catalysts. These lowmolecular metal complexes serves as functional model and catalyze the same (or a closely related) reaction as does the metalloenzyme to be mimicked. In combination with the structural models which mim...

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