The photolysis of CF3I in the presence of O2 and Br2 1. The mechanism of the elementary step in the reaction of CF3 radicals with O2

1978 ◽  
Vol 27 (8) ◽  
pp. 1534-1537 ◽  
Author(s):  
V. I. Vedeneev ◽  
M. A. Teitel'boim ◽  
A. A. Shoikhet
Keyword(s):  
Elementary Step

Copper‐Catalyzed Asymmetric Arylation of N ‐Heteroaryl Aldimines: Elementary Step of a 1,4‐Insertion

2019 ◽  
Vol 131 (9) ◽  
pp. 2731-2735
Author(s):  
Chunlin Wu ◽  
Xurong Qin ◽  
Adhitya Mangala Putra Moeljadi ◽  
Hajime Hirao ◽  
Jianrong Steve Zhou
Keyword(s):  
Elementary Step

scholarly journals N-Valid trees in wavelet theory on Vilenkin groups

2015 ◽  
Vol 13 (05) ◽  
pp. 1550037 ◽  
Author(s):  
S. F. Lukomskii ◽  
G. S. Berdnikov
Keyword(s):  
Rooted Tree ◽  
Step Function ◽  
Elementary Step ◽  
Vilenkin Group ◽  
Wavelet Theory ◽  
Vilenkin Groups ◽  
Step Functions

We consider a class of (N, M)-elementary step functions on the p-adic Vilenkin group. We prove that (N, M)-elementary step function generates a MRA on p-adic Vilenkin group if and only if it is generated by a special N-valid rooted tree on the set of vertices {0,1,…p - 1} with the vector (0,…,0) ∈ ℤN as a root.

scholarly journals Kinetics and Mechanism of the Redox Reaction Between Pt(IV) Chloride Complex Ions and Sodium Thiosulfate in Aqueous Solution. Part I: Acidic Solution/ Kinetyka I Mechanizm Reakcji Redox Pomiędzy Chlorkowymi Jonami Kompleksowymi Pt(Iv) I Tiosiarczanem Sodu W Roztworach Wodnych. Część I: Roztwór Kwaśny

2014 ◽  
Vol 59 (4) ◽  
pp. 1413-1420 ◽  
Author(s):  
K. Pacławski ◽  
J. Piwowonska
Keyword(s):  
Acidic Solution ◽  
Solid Phase ◽  
Sodium Thiosulfate ◽  
Chloride Complex ◽  
Elementary Step ◽  
Kinetics And Mechanism ◽  
Complex Ions ◽  
Mechanism Of Reaction ◽  
Entropy Of Activation ◽  
Enthalpy And Entropy

Abstract In this work, spectrophotometric studies of the kinetics and mechanism of reaction between [PtCl6]2- complex ions and sodium thiosulfate, were carried out. The influence of different conditions, such as: initial concentrations of reductant and platinum(IV) complex ions, ionic strength, pH and temperature on the rate constant, was experimentally determined. From the obtained results, the molecularity of the first elementary step, value of the enthalpy and entropy of activation in Eyring equation as well as corresponding rate equation, were experimentally determined. It was found that the reaction is relatively slow and leads to the S, Pt and PtS colloids formation. The best conditions for solid phase formation containing Pt are at pH = 5.

Covalent Connection of Two Individual Polymer Chains on a Surface: An Elementary Step towards Molecular Nanoconstructions

2003 ◽  
Vol 42 (17) ◽  
pp. 1932-1935 ◽  
Author(s):  
Jörg Barner ◽  
Frank Mallwitz ◽  
Lijin Shu ◽  
A. Dieter Schlüter ◽  
Jürgen P. Rabe
Keyword(s):  
Elementary Step ◽  
Polymer Chains ◽  
Individual Polymer

Novel preparation of BIMEVOX materials assisting in elementary step resolved investigations of the oxygen transfer at the surface

Desalination ◽  
2002 ◽  
Vol 146 (1-3) ◽  
pp. 41-47 ◽  
Author(s):  
Andre Cornelis van Veen ◽  
David Farrusseng ◽  
Claude Mirodatos
Keyword(s):  
Oxygen Transfer ◽  
Elementary Step

scholarly journals Asymmetric radical carboesterification of dienes

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Xiaotao Zhu ◽  
Wujun Jian ◽  
Meirong Huang ◽  
Daliang Li ◽  
Yajun Li ◽  
...  
Keyword(s):  
Unsolved Problem ◽  
Elementary Step ◽  
Elementary Reaction ◽  
Radical Reactions ◽  
Radical Center ◽  
Open Chain ◽  
Hydrocarbon Radicals ◽  
Chain Hydrocarbon

AbstractThe straightforward strategy of building a chiral C-O bond directly on a general carbon radical center is challenging and stereocontrol of the reactions of open-chain hydrocarbon radicals remains a largely unsolved problem. Advance in this elementary step will spur the development of asymmetric radical C-O bond construction. Herein, we report a copper-catalyzed regioselective and enantioselective carboesterification of substituted dienes using alkyl diacyl peroxides as the source of both the carbon and oxygen substituents. The participation of external acids in this reaction substantially extends its applicability and leads to structurally diverse allylic ester products. This work represents the advance in the key elementary reaction of intermolecular enantioselective construction of C-O bond on open-chain hydrocarbon radicals and may lead to the discovery of other asymmetric radical reactions.

scholarly journals Effects of water, ammonia and formic acid on HO2 + Cl reactions under atmospheric conditions: competition between a stepwise route and one elementary step

RSC Advances ◽  
2019 ◽  
Vol 9 (37) ◽  
pp. 21544-21556 ◽  
Author(s):  
Tianlei Zhang ◽  
Yongqi Zhang ◽  
Mingjie Wen ◽  
Zhuo Tang ◽  
Bo Long ◽  
...  
Keyword(s):  
Formic Acid ◽  
Elementary Step ◽  
Atmospheric Conditions

The effects of acidic (FA), neutral (WM) and basic (AM) catalysts on the energetic and kinetic aspects of the HO2 + Cl reaction have been studied. At 298 K, the catalytic order of FA, WM and AM is WM > FA > AM.

Transition-metal-catalyzed reactions involving reductive elimination between dative ligands and covalent ligands

2020 ◽  
Vol 49 (5) ◽  
pp. 1487-1516 ◽  
Author(s):  
Tianxiao Jiang ◽  
Haocheng Zhang ◽  
Yongzheng Ding ◽  
Suchen Zou ◽  
Rui Chang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Reductive Elimination ◽  
Elementary Step ◽  
Transition Metal Catalyzed ◽  
Catalyzed Reactions ◽  
Metal Catalyzed ◽  
Covalent Ligands

This review summarizes transition-metal catalyzed reactions with reductive elimination between covalent ligands and dative ligands as the key elementary step.

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