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Author | : D. W. Setser |
Publisher | : Elsevier |
Total Pages | : 369 |
Release | : 2013-10-22 |
Genre | : Science |
ISBN | : 1483220214 |
Download Reactive Intermediates in the Gas Phase Book in PDF, ePub and Kindle
Reactive Intermediates in the Gas Phase: Generation and Monitoring covers methods for reactive intermediates in the gas phase. The book discusses the generation and measurement of atom and radical concentrations in flow systems; the high temperature flow tubes, generation and measurement of refractory species; and the electronically excited long-lived states of atoms and diatomic molecules in flow systems. The text also describes the production and detection of reactive species with lasers in static systems; the production of small positive ions in a mass spectrometer; and the discharge-excited rare gas halide lasers. Chemists, physicists, and people working in aerochem laboratories will find the book invaluable.
Author | : Xinping Liu |
Publisher | : |
Total Pages | : 520 |
Release | : 2005 |
Genre | : |
ISBN | : |
Download Investigating the Chemistry of Reactive Intermediates in the Gas-phase by Mass Spectometry and Density Functional Theory Book in PDF, ePub and Kindle
Author | : Robert A. Moss |
Publisher | : John Wiley & Sons |
Total Pages | : 1088 |
Release | : 2004-01-07 |
Genre | : Science |
ISBN | : 9780471233244 |
Download Reactive Intermediate Chemistry Book in PDF, ePub and Kindle
Reactive Intermediate Chemistry presents a detailed and timely examination of key intermediates central to the mechanisms of numerous organic chemical transformations. Spectroscopy, kinetics, and computational studies are integrated in chapters dealing with the chemistry of carbocations, carbanions, radicals, radical ions, carbenes, nitrenes, arynes, nitrenium ions, diradicals, etc. Nanosecond, picosecond, and femtosecond kinetic realms are explored, and applications of current dynamics and electronic structure calculations are examined. Reactive Intermediate Chemistry provides a deeper understanding of contemporary physical organic chemistry, and will assist chemists in the design of new reactions for the efficient synthesis of pharmaceuticals, fine chemicals, and agricultural products. Among its features, this authoritative volume is: Edited and authored by world-renowned leaders in physical organic chemistry. Ideal for use as a primary or supplemental graduate textbook for courses in mechanistic organic chemistry or physical chemistry. Enhanced by supplemental reading lists and summary overviews in each chapter.
Author | : V. A. Butcher |
Publisher | : |
Total Pages | : |
Release | : 1987 |
Genre | : |
ISBN | : |
Download Studies of Some Reactive Intermediates in the Gas-phase by Ultra-violet Photoelectron Spectroscopy Book in PDF, ePub and Kindle
Author | : Curt Wentrup |
Publisher | : Wiley-Interscience |
Total Pages | : 360 |
Release | : 1984-03-21 |
Genre | : Science |
ISBN | : |
Download Reactive Molecules Book in PDF, ePub and Kindle
Designed for advanced undergraduate and graduate organic chemistry students, here's an up-to-date, in-depth textbook on the chemistry of neutral reactive intermediates--free radicals, diradicals, carbenes, nitrenes, strained rings, and antiaromatics. Includes numerous tables of physical data and extensive references to present day research in the field.
Author | : Yana Sandlers |
Publisher | : |
Total Pages | : 98 |
Release | : 2007 |
Genre | : |
ISBN | : |
Download Study of the Reactive Cationic Intermediates in the Gas Phase Book in PDF, ePub and Kindle
Author | : Leonardo S. Santos |
Publisher | : John Wiley & Sons |
Total Pages | : 341 |
Release | : 2009-11-04 |
Genre | : Science |
ISBN | : 9783527628735 |
Download Reactive Intermediates Book in PDF, ePub and Kindle
During the last two decades there has been considerable growth in the development of electrospray ionization mass spectrometry (ESI-MS) as a practical method in the study of reaction mechanisms. This method allows the interception and characterization of key intermediates, either as transient species or as protonated/deprotonated forms of neutral species by API-MS. The outstanding features and advantages of ESI-MS make it one of the most suitable tools for the fast screening of intermediates directly from solution, providing hitherto unavailable chemical information to organic chemists. This monograph provides an overview of the mechanisms involved in ESI-MS, the historical perspectives before looking further in-depth at specific reactions and intermediates. Written by researchers in the field, this book is an unique resource for the understanding of this cutting-edge technique.
Author | : Matthew Jordan Nava |
Publisher | : |
Total Pages | : 446 |
Release | : 2017 |
Genre | : |
ISBN | : |
Download Generation and Observation of Reactive Intermediates in the Gas Phase and Condensed Media Book in PDF, ePub and Kindle
A molecular beam mass spectrometer (MBMS) has been constructed and upgraded with a laser desorption system. MBMS has allowed for the detection of reactive small molecules including but not limited to P2 from P2A2 (where A = anthracene, C14H10), HCP from PPh3(HCP)A and various dialkylamino phosphinidenes from their corresponding dibenzo-7-phosphanorbornadiene precursors by mass spectrometry. In cases where the desired reactive small molecule was not detected, MBMS has provided valuable information as to the degradation processes which may be occurring and has guided molecular precursor development. Through the use of highly sensitive microwave spectroscopic techniques, it was found that H2S and N2O3 react to form the elusive molecule HSNO in the gas phase. HSNO is believed to be a crucial intermediate in biological signaling. Through isotopic labeling studies, an accurate structure of HSNO could be derived and subsequent degradation of the molecule was explored. The hexacarboxamide cryptand mBDCA-5t-H6 was used as a ligand to prepare mono- and bimetallic iron complexes of the formula [Fe2(mBDCA-5t)]2− and [Fe(mBDCA-5t-H3)]−. Both complexes were observed to react reversibly or irreversibly with CO or NO respectively to afford [(FeEO)-Fe(mBDCA-5t)]2- or [FeEO(mBDCA-5t-H3)]− where E = C or N. Treatment of [(FeNO)·Fe(mBDCA-5t)]2− with excess NO resulted in the formation of [Fe2O(mBDCA-5t)]2-, which could be independently prepared by treatment of [Fe2(mBDCA-5t)]2− with the O-atom transfer reagent N-methylmorpholine N-oxide. The chemistry of peroxide dianion, in the form of the encapsulated complex [O2[subset]mBDCA- 5t-H6]2-, has been explored in nonaqueous media. In particular, [O2[subset]mBDCA-5t-H6]2- was demonstrated to react with CO gas at 40 °C over the course of several hours to furnish the encapsulated carbonate cryptate, [CO3[subset]mBDCA-5t-H6]2-. Through labeling studies, it was confirmed that the carbon of the carbonate was derived from CO. Treatment of [O2[subset]mBDCA-5t-H6]2- with CO2 also affords [CO3[subset]mBDCA-5t-H6]2-, but with concomitant oxidation of the solvent. The oxidation of the solvent was found to proceed through the reactive oxidants −O2COOCO2- and HOOCO2- and sheds light on oxidative processes which may be occurring in lithium-air cells. Exposure of solid Li2O2 to gaseous p-benzoquinone results in the formation of a blue coating on Li2O2. This coating was identified as the quinone radical anion Li[p-C6H4O2], which forms via lithium and electron transfer from Li2O2. This charge and ion transfer process results in the conversion of Li2O2 to LiO2, a long-sought intermediate in the lithium-air community.
Author | : Matthew S. Platz |
Publisher | : John Wiley & Sons |
Total Pages | : 492 |
Release | : 2007-04-20 |
Genre | : Science |
ISBN | : 0470120819 |
Download Reviews of Reactive Intermediate Chemistry Book in PDF, ePub and Kindle
The chemistry of reactive intermediates is central to a modern mechanistic and quantitative understanding of organic chemistry. Moreover, it underlies a significant portion of modern synthetic chemistry and is integral to a molecular view of biological chemistry. Reviews in Reactive Intermediate Chemistry presents an up-to-date, authoritative guide to this fundamental topic. Although it follows Reactive Intermediate Chemistry by the same authors, it serves as a free-standing resource for the entire chemical and biochemical community. The book includes: Relevant, practical applications Coverage of such topics as mass spectrometry methods, reactive intermediates in interstellar medium, quantum mechanical tunnelling, solvent effects, reactive intermediates in biochemical processes, and excited state surfaces Discussions of emerging areas, particularly those involving dynamics and theories Concluding sections identifying key directions for future research are provided at the end of each chapter
Author | : Harold S. Johnston |
Publisher | : |
Total Pages | : 384 |
Release | : 1966 |
Genre | : Technology & Engineering |
ISBN | : |
Download Gas Phase Reaction Rate Theory Book in PDF, ePub and Kindle