Organic Ion Radical: Chemistry and Application: Chemistry and Applications

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Ion-Radical Organic Chemistry

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Principles and Applications, Second Edition, 2nd Edition

Please accept our apologies for any inconvenience this may cause. Exclusive web offer for individuals. Principles and Applications, Second Edition. Add to Wish List. In organic chemistry, a radical ion is typically indicated by a superscript dot followed by the sign of the charge: In mass spectrometry, the sign is written first, followed by the superscripted dot: Many aromatic compounds can undergo one-electron reduction by alkali metals.

Ion-Radical Organic Chemistry: Principles and Applications, Second Edition

For example, the reaction of naphthalene with sodium in an aprotic solvent yields the naphthalene radical anion - sodium ion salt. In an ESR spectrum this compound shows up as a quintet of quintets 25 lines. In the presence of a proton source the radical anion is protonated and effectively hydrogenated as in the Birch reduction. This transfer is usually only energetically favorable if the aprotic solvent efficiently solvates the alkali metal ion.

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In principle any unsaturated molecule can form a radical anion, but the antibonding orbitals are only energetically accessible in more extensive conjugated systems. On addition of a proton source, the structure of the resulting hydrogenated molecule is defined by the charge distribution of the radical anion.

For instance, the anthracene radical anion forms mainly but not exclusively 9,dihydroanthracene. An example of a non-carbon radical anion is the superoxide anion, formed by transfer of one electron to an oxygen molecule.

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A very effective way to remove any traces of water from THF is by reflux with sodium wire in the presence of a small amount of benzophenone. Already read this title?

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2nd Edition

Principles and Applications, Second Edition. Add to Wish List. Toggle navigation Additional Book Information. Description Table of Contents Reviews.

Ion-Radical Organic Chemistry: Principles and Applications - Zory Vlad Todres - Google Книги

Principles and Applications, Second Edition presents the recent changes that have occurred in the field since the publication of the first edition in Reviews "The author offers broad yet deeply detailed coverage… This book will be a useful resource for specialists already versed in aspects of ion-radical chemistry as well for those seeking a survey of the primary literature as a foundation to begin research in the area… I would recommend it as an addition to the monograph collections of chemical research libraries.

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