Results 41 to 50 of about 42,472 (344)

Catalytic Ammonia Oxidation to Dinitrogen by Hydrogen Atom Abstraction

Angewandte Chemie International Edition, 2019
AbstractCatalysts for the oxidation of NH3 are critical for the utilization of NH3 as a large‐scale energy carrier. Molecular catalysts capable of oxidizing NH3 to N2 are rare. This report describes the use of [Cp*Ru(PtBu2NPh2)(15NH3)][BArF4], (PtBu2NPh2=1,5‐di(phenylaza)‐3,7‐di(tert‐butylphospha)cyclooctane; ArF=3,5‐(CF3)2C6H3), to catalytically ...
Papri Bhattacharya, Zachariah M. Heiden, Geoffrey M. Chambers, Samantha I. Johnson, R. Morris Bullock, Michael T. Mock   +5 more
openaire   +5 more sources

Chemical dynamics of triacetylene formation and implications to the synthesis of polyynes in Titan's atmosphere [PDF]

, 2009
For the last four decades, the role of polyynes such as diacetylene (HCCCCH) and triacetylene (HCCCCCCH) in the chemical evolution of the atmosphere of Saturn's moon Titan has been a subject of vigorous research. These polyacetylenes are thought to serve
A. M. Mebel, Gladstone, Gu, Guo, Jones, Kislov, Landera, Lorenz, M. C. Liang, Porco, R. I. Kaiser, Waite, X. Gu, Y. L. Yung, Y. S. Kim   +14 more
core   +2 more sources

Combined Multistate and Kohn-Sham Density Functional Theory Studies of the Elusive Mechanism of N-Dealkylation of N,N-Dimethylanilines Mediated by the Biomimetic Nonheme Oxidant FeIV(O)(N4Py)(ClO4)2

Frontiers in Chemistry, 2018
The oxidative C-H bond activation mediated by heme and nonheme enzymes and related biomimetics is one of the most interesting processes in bioinorganic and oxidative chemistry.
Lili Yang, Xin Chen, Zexing Qu, Jiali Gao, Jiali Gao   +4 more
doaj   +1 more source

Enzymatic functionalization of carbon-hydrogen bonds [PDF]

, 2011
The development of new catalytic methods to functionalize carbon–hydrogen (C–H) bonds continues to progress at a rapid pace due to the significant economic and environmental benefits of these transformations over traditional synthetic methods.
Arnold, Frances H., Coelho, Pedro S., Lewis, Jared C.   +2 more
core   +1 more source

Atomic scissors: a new method of tracking the 5-bromo-2'-deoxyuridine-labeled DNA in situ. [PDF]

PLoS ONE, 2012
A new method of the light microscopy detection of BrdU-labeled DNA in situ is described. It is based on the oxidative attack at the deoxyribose moiety by copper(I) in the presence of oxygen, which leads to the abstraction of hydrogen atom from ...
Anna Ligasová, Dmytro Strunin, Radek Liboska, Ivan Rosenberg, Karel Koberna   +4 more
doaj   +1 more source

mechanistic promiscuity in hydrogen atom abstraction reactions [PDF]

, 2016
In addition to oxometal [Mn+[double bond, length as m-dash]O] and imidometal [Mn+[double bond, length as m-dash]NR] units, transient metal–iodosylarene [M(n−2)+–O[double bond, length as m-dash]IPh] and metal–iminoiodane [M(n−2)+–N(R)[double bond, length ...
Bill, Eckhard, Chernev, Petko, Chung, Chan Siu, Dau, Holger, Engelmann, Xenia, England, Jason, Kundu, Subrata, Nam, Wonwoo, Ray, Kallol   +8 more
core   +2 more sources

Theoretical studies of a hydrogen abstraction tool for nanotechnology [PDF]

, 1991
In the design of a nanoscale, site-specific hydrogen abstraction tool, the authors suggest the use of an alkynyl radical tip. Using ab initio quantum-chemistry techniques including electron correlation they model the abstraction of hydrogen from ...
Goddard, William A., III, Merkle, Ralph C., Musgrave, Charles B., Perry, Jason K.   +3 more
core   +1 more source

A globally accurate potential energy surface and quantum dynamics calculations on the Be(1S) + H2(v0 = 0, j0 = 0) → BeH + H reaction

Frontiers in Physics, 2022
The reactive collision between Be atom and H2 molecule has received great interest both experimentally and theoretically due to its significant role in hydrogen storage, astrophysics, quantum chemistry and other fields, but the corresponding dynamics ...
Zijiang Yang, Maodu Chen
doaj   +1 more source

A high-resolution infrared spectroscopic investigation of the halogen atom-HCN entrance channel complexes solvated in superfluid helium droplets [PDF]

, 2006
Rotationally resolved infrared spectra are reported for the X-HCN (X = Cl, Br, I) binary complexes solvated in helium nanodroplets. These results are directly compared with that obtained previously for the corresponding X-HF complexes [J. M.
Balakrishnan, Boltnev, Boltnev, Boys, Brink, Brown, Brown, Cacace, Chase, Jr, Chen, Choi, Curtiss, de Juan, Decker, Deskevich, Douberly, Douberly, Draeger, Fishchuk, Fishchuk, Fishchuk, Frosh, Frost, Goldschleger, Gordon, Gordon, Gordon, Gordon, Harding, Harren, Heaven, Hinds, Hunt, Hunt, Hutson, Jaccarino, Jeremy M. Merritt, Jochen Küpper, Klos, Klos, Knuth, Kreher, Kreher, Küpper, Lefebvre-Brion, Legon, Legon, LeRoy, Lester, Madeja, Maierle, McInnis, Merritt, Merritt, Merritt, Merritt, Merritt, Metz, Meuwly, Meuwly, Misochko, Nauta, Nauta, Nauta, Nauta, Nauta, Nicklass, Peterson, Pfeiffer, Rode, Roger E. Miller, Rudić, Sims, Skouteris, Stienkemeier, Tao, Towsend, Troya, Vissers, von Haeften, Weck, Werner, Zdanska, Zeimen, Zeimen, Zhang   +85 more
core   +3 more sources

Research progress on the metabolic transformation of Shenling Baizhu San under the influence of the gut microbiota

Advanced Chinese Medicine, EarlyView.
Abstract The gut microbiota plays a pivotal role in maintaining host metabolic homeostasis and overall physiological functions. Shenling Baizhu San (SLBZS), a time‐honored classical prescription for tonifying Qi, strengthening the spleen, removing dampness, and arresting diarrhea, has shown broad clinical efficacy in digestive disorders.
Jinlan Di, Xiaochun Zhang
wiley   +1 more source