Chemistry of the metal carbonyls. Part XLIII. Perfluoroallenyl-rhenium and -iron complexes

1968 ◽  
pp. 177 ◽  
Author(s):  
R. J. Goodfellow ◽  
M. Green ◽  
N. Mayne ◽  
A. J. Rest ◽  
F. G. A. Stone
Keyword(s):  
Iron Complexes ◽  
Metal Carbonyls

Chemistry of the Metal Carbonyls. XIII. Iron Complexes of Divinylbenzenes1

1961 ◽  
Vol 83 (17) ◽  
pp. 3597-3599 ◽  
Author(s):  
T. A. Manuel ◽  
S. L. Stafford ◽  
F. G. A. Stone
Keyword(s):  
Iron Complexes ◽  
Metal Carbonyls

ДИНИТРОЗИЛЬНЫЕ КОМПЛЕКСЫ ЖЕЛЕЗА C ТИОЛСОДЕРЖАЩИМИ ЛИГАНДАМИ ПРЕДСТАВЛЕНЫ В ЖИВЫХ ОРГАНИЗМАХ В ОСНОВНОМ ИХ БИЯДЕРНОЙ ФОРМОЙ

2020 ◽  
Vol 65 (6) ◽  
pp. 1142-1153
Author(s):  
В.Д. Микоян ◽  
◽  
Е.Н. Бургова ◽  
Р.Р. Бородулин ◽  
А.Ф. Ванин ◽  
...  
Keyword(s):  
Electron Paramagnetic Resonance ◽  
Sodium Nitrite ◽  
Iron Complexes ◽  
Paramagnetic Resonance ◽  
First Case ◽  
Dinitrosyl Iron ◽  
Electron Paramagnetic ◽  
Dinitrosyl Complexes

The number of mononitrosyl iron complexes with diethyldithiocarbamate, formed in the liver of mice in vivo and in vitro after intraperitoneal injection of binuclear dinitrosyl iron complexes with N-acetyl-L-cysteine or glutathione, S-nitrosoglutathione, sodium nitrite or the vasodilating drug Isoket® was assessed by electron paramagnetic resonance (EPR). The number of the said complexes, in contrast to the complexes, formed after nitrite or Isoket administration, the level of which sharply increased after treatment of liver preparations with a strong reducing agent - dithionite, did not change in the presence of dithionite. It was concluded that, in the first case, EPR-detectable mononitrosyl iron complexes with diethyldithiocarbamate in the absence and presence of dithionite appeared as a result of the reaction of NO formed from nitrite with Fe2+-dieth- yldithiocarbamate and Fe3+-diethyldithiocarbamate complexes, respectively. In the second case, mononitrosyl iron complexes with diethyldithiocarbamate appeared as a result of the transition of iron-mononitosyl fragments from ready-made iron-dinitrosyl groups of binuclear dinitrosyl complexes, which is three to four times higher than the content of the mononuclear form of these complexes in the tissue...

Effect of Dinitrosyl Iron Complexes (NO Donors) on the Metabolic Processes of Human Fibroblasts

2018 ◽  
Vol 483 (4) ◽  
pp. 452-456
Author(s):  
A. Gizatullin ◽  
◽  
N. Akent'eva ◽  
N. Sanina ◽  
N. Shmatko ◽  
...  
Keyword(s):  
Human Fibroblasts ◽  
Iron Complexes ◽  
Dinitrosyl Iron Complexes ◽  
Metabolic Processes ◽  
No Donors ◽  
Dinitrosyl Iron

The Influence of the Nature of the Ligand on the Antitumor Activity and Cytotoxic Effect of Binuclear Dinitrosyl Iron Complexes

BIOPHYSICS ◽  
2020 ◽  
Vol 65 (5) ◽  
pp. 863-868
Author(s):  
A. F. Vanin ◽  
L. A. Ostrovskaya ◽  
D. B. Korman ◽  
E. I. Nekrasova ◽  
O. O. Riabaya ◽  
...  
Keyword(s):  
Antitumor Activity ◽  
Cytotoxic Effect ◽  
Iron Complexes ◽  
Dinitrosyl Iron Complexes ◽  
Dinitrosyl Iron

The Character of Low-Lying Excited States of Mixed-Ligand Metal Carbonyls. TD-DFT and CASSCF/CASPT2 Study of [W(CO)4L] (L = ethylenediamine, N,N'-dialkyl-1,4-diazabutadiene) and [W(CO)5L] (L = pyridine, 4-cyanopyridine)

2003 ◽  
Vol 68 (1) ◽  
pp. 89-104 ◽  
Author(s):  
Stanislav Záliš ◽  
Antonín Vlček ◽  
Chantal Daniel
Keyword(s):  
Excited States ◽  
Substitution Effect ◽  
Electronic Transitions ◽  
Ligand Field ◽  
Metal Carbonyls ◽  
Electron Density Redistribution ◽  
Time Resolved ◽  
Model Complex ◽  
Td Dft ◽  
Time Resolved Infrared Spectroscopy

This contribution presents the results of the TD-DFT and CASSCF/CASPT2 calculations on [W(CO)4(MeDAB)] (MeDAB = N,N'-dimethyl-1,4-diazabutadiene), [W(CO)4(en)] (en = ethylenediamine), [W(CO)5(py)] (py = pyridine) and [W(CO)5(CNpy)] (CNpy = 4-cyanopyridine) complexes. Contrary to the textbook interpretation, calculations on the model complex [W(CO)4(MeDAB)] and [W(CO)5(CNpy)] show that the lowest W→MeDAB and W→CNpy MLCT excited states are immediately followed in energy by several W→CO MLCT states, instead of ligand-field (LF) states. The lowest-lying excited states of [W(CO)4(en)] system were characterized as W(COeq)2→COax CT excitations, which involve a remarkable electron density redistribution between axial and equatorial CO ligands. [W(CO)5(py)] possesses closely-lying W→CO and W→py MLCT excited states. The calculated energies of these states are sensitive to the computational methodology used and can be easily influenced by a substitution effect. The calculated shifts of [W(CO)4(en)] stretching CO frequencies due to excitation are in agreement with picosecond time-resolved infrared spectroscopy experiments and confirm the occurrence of low-lying M→CO MLCT transitions. No LF electronic transitions were found for either of the complexes studied in the region up to 4 eV.

ChemInform Abstract: METAL CARBONYLS

1978 ◽  
Vol 9 (46) ◽  
Author(s):  
E. W. ABEL ◽  
F. G. A. STONE
Keyword(s):  
Metal Carbonyls

Observation of Carbon–Carbon Coupling Reaction in Neutral Transition-Metal Carbonyls

2021 ◽  
Vol 12 (3) ◽  
pp. 1012-1017
Author(s):  
Chong Wang ◽  
Qinming Li ◽  
Xiangtao Kong ◽  
Huijun Zheng ◽  
Tiantong Wang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Coupling Reaction ◽  
Metal Carbonyls ◽  
Transition Metal Carbonyls
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