Synthesis, characterization and theoretical investigations of molybdenum carbonyl complexes with phosphorus/nitrogen/phosphorus ligand as bidentate and tridentate modes

Polyhedron ◽  
2017 ◽  
Vol 138 ◽  
pp. 206-217 ◽  
Author(s):  
Seyma Goren Keskin ◽  
Julie M. Stanley ◽  
Alan H. Cowley
Keyword(s):  
Carbonyl Complexes ◽  
Theoretical Investigations ◽  
Molybdenum Carbonyl ◽  
Nitrogen Phosphorus

scholarly journals Molybdenum Carbonyl Complexes with a Polymerizable Phosphorus/Nitrogen/Phosphorus Ligand and Corresponding Conducting Metallopolymers

2018 ◽  
Vol 219 (22) ◽  
pp. 1800262 ◽  
Author(s):  
Seyma Goren Keskin ◽  
Michelle L. Mejia ◽  
Alan H. Cowley ◽  
Bradley J. Holliday
Keyword(s):  
Carbonyl Complexes ◽  
Molybdenum Carbonyl ◽  
Nitrogen Phosphorus

Hydrodesulfurization of Dibenzothiophene Catalyzed by Silica-Alumina Supported Anionic Molybdenum Carbonyl Complexes

1993 ◽  
Vol 22 (4) ◽  
pp. 589-592 ◽  
Author(s):  
Atsushi Ishihara ◽  
Kenji Shirouchi ◽  
Toshiaki Kabe
Keyword(s):  
Carbonyl Complexes ◽  
Silica Alumina ◽  
Molybdenum Carbonyl

Comparison and Synthesis of Molybdenum Carbonyl Complexes Substituted with Mono- and Bis-Triphenylphosphine Ligands for Hydrocracking of Vacuum Residue

2021 ◽  
Vol 21 (7) ◽  
pp. 4085-4088
Author(s):  
Sung Hyeon Kim ◽  
Byeong Min Choi ◽  
Sun Yeong Park ◽  
Ki Hyuk Kang ◽  
MinChul Chung ◽  
...  
Keyword(s):  
Coke Formation ◽  
Energy Industry ◽  
Vacuum Residue ◽  
Heavy Oils ◽  
Carbonyl Complexes ◽  
Triphenyl Phosphine ◽  
Thermal Decomposition Behavior ◽  
Similar Weight ◽  
Molybdenum Carbonyl ◽  
Decomposition Behavior

(PPh3)Mo(CO)5 and (PPh3)2Mo(CO)4 were synthesized by the reaction of molybdenum hexacar-bonyl with triphenylphosphine and applied as precursors to hydrocracking of vacuum residue under high-pressure and high-temperature conditions. (PPh3)2Mo(CO)4 could also be synthesized by the reaction of (PPh3)Mo(CO)5 with triphenyl phosphine. A commercial precursor (Mo-octoate) for hydrocracking of vacuum residue was used for comparison. The thermal decomposition behavior of (PPh3)Mo(CO)5, (PPh3)2Mo(CO)4, and Mo-octoate was also examined by the thermogravimetric analysis. The TGA curve of (PPh3)Mo(CO)5 and (PPh3)2Mo(CO)4 showed a similar weight-loss pattern. (PPh3)Mo(CO)5 and (PPh3)2Mo(CO)4 were decomposed into Mo metal and ligands rapidly in the range of 140 °C~270 °C. There were no ligands bound to a metal center of (PPh3)Mo(CO)5 and (PPh3)2Mo(CO)4 at the reaction temperature (430 °C) of hydrocracking. The amount of coke formed after hydrocracking over (PPh3)Mo(CO)5 and (PPh3)2Mo(CO)4 was 2.3% and 0.5%, respectively. Upgrading the qualities of heavy oils is an important issue in the energy industry. It is not easy to achieve the complete conversion of vacuum residue due to coke forming during hydrocracking of vacuum residue. This study showed that (PPh3)2Mo(CO)4 was considerably effective in reducing coke formation.

A radical mechanism of the reaction of molybdenum carbonyl complexes with bis(triethylgermyl)mercury

1993 ◽  
Vol 42 (9) ◽  
pp. 1585-1587
Author(s):  
M. I. Sykhrannova ◽  
A. N. Tatarnikov ◽  
S. Ya. Khorshev ◽  
E. N. Gladyshev
Keyword(s):  
Radical Mechanism ◽  
Carbonyl Complexes ◽  
Molybdenum Carbonyl ◽  
Mechanism Of The Reaction

Acid-catalyzed epoxide alcoholysis in the presence of indenyl molybdenum carbonyl complexes

2018 ◽  
Vol 855 ◽  
pp. 12-17 ◽  
Author(s):  
Sofia M. Bruno ◽  
Isabel S. Gonçalves ◽  
Martyn Pillinger ◽  
Carlos C. Romão ◽  
Anabela A. Valente
Keyword(s):  
Carbonyl Complexes ◽  
Acid Catalyzed ◽  
Molybdenum Carbonyl
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