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The Chemistry Of Nonbenzenoid Aromatic Compounds
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Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds — II by : R. Kreher
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds — II written by R. Kreher and published by Butterworth-Heinemann. This book was released on 2013-10-22 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemistry of Nonbenzenoid Aromatic Compounds — II is a collection of plenary lectures presented at the Second International Symposium on the Chemistry of Nonbenzenoid Aromatic Compounds. Starting with a review of the synthesis and study of select heterocycles, the book includes results and developments in this area. A significant part of the reviews of nonbenzenoid aromatic compounds is the examination of annulenese that contain larger Huckel systems than benzene. The demand for better synthetic methods in the study has increased as bridged annulenes have been made for suitable models of testing theoretical concepts. Early studies on some nonbenzenoid aromatic compounds and the related problems are also discussed. A description of the syntheses of several polycyclic systems that contain potential cyclobutadiene rings follows. Studies are made on 8-oxoheptafulvene chemistry after earlier chemical and physical examination of heptafulvene and related compounds provided avenues for research. Some aspects of strained systems, [4]annulene and its Ch+adduct are reviewed in terms of usefulness when applying a theoretical guide, proving the calculations and experiments. Studies on higher membered annulenyl ions belonging to five groups are also discussed. Research chemists, students, and professors in chemistry and related fields such as organic chemistry will find this collection useful.
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds by :
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds written by and published by . This book was released on 1971 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds by : Michinori Oki
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds written by Michinori Oki and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonbenzenoid Aromatics by : James P. Snyder
Download or read book Nonbenzenoid Aromatics written by James P. Snyder and published by Elsevier. This book was released on 2013-10-22 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonbenzenoid Aromatics, Volume II, provides an overview of the state of knowledge in the field of non-benzenoid aromatic compounds. The theme that threads its way through the six chapters is that of ""aromaticity,"" with each author making an effort to evaluate this concept in light of his own work. It is with this in mind that this treatise was initiated with an historical account tracing the development of the idea up to the discovery of the electron. The book begins with discussions of the estimation of the thermochemical and kinetic stability of a system which has not yet been synthesized and the calculation of electronic spectra. This is followed by separate chapters on the electron spin resonance (ESR) spectra of radical ions of nonbenzenoid aromatics; the theoretical and empirical bases of exaltation; and treatment of cyclic (4n + 2) p-electron systems with six or more p-electrons and bearing one or more formal charges. Subsequent chapters deal with the chemical binding and delocalization in phosphonitrilic derivatives, and cyclobutadiene-metal complexes.
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds, II by :
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds, II written by and published by . This book was released on 1974 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds by : R. Kreher
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds written by R. Kreher and published by Pergamon. This book was released on 1976-07-01 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemistry of Nonbenzenoid Aromatic Compounds by :
Download or read book Chemistry of Nonbenzenoid Aromatic Compounds written by and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds II by :
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds II written by and published by . This book was released on 1975 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Symposium on the Chemistry of Nonbenzenoid Aromatic Compounds. 2.symp., Lindau by : R. Kreher
Download or read book International Symposium on the Chemistry of Nonbenzenoid Aromatic Compounds. 2.symp., Lindau written by R. Kreher and published by . This book was released on 1975 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds by : Michinori Ōki
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds written by Michinori Ōki and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds by : Michinori Oki
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds written by Michinori Oki and published by Pergamon. This book was released on 1976-01-01 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbocyclic Non-benzenoid Aromatic Compounds by : Douglas Lloyd
Download or read book Carbocyclic Non-benzenoid Aromatic Compounds written by Douglas Lloyd and published by . This book was released on 1966 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :International Symposium on the Chemistry of Non Benzenoid Aromatic Compounds, Japan, 1970 Publisher : ISBN 13 : Total Pages :6 pages Book Rating :4.:/5 (176 download)
Book Synopsis The Chemistry of Nonbenzenoid Aromatic Compounds by : International Symposium on the Chemistry of Non Benzenoid Aromatic Compounds, Japan, 1970
Download or read book The Chemistry of Nonbenzenoid Aromatic Compounds written by International Symposium on the Chemistry of Non Benzenoid Aromatic Compounds, Japan, 1970 and published by . This book was released on 1971 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science, a Third Level Course written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Textbook of Organic Chemistry – Volume 1 by : Mandeep Dalal
Download or read book A Textbook of Organic Chemistry – Volume 1 written by Mandeep Dalal and published by Dalal Institute. This book was released on 2019-01-01 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: An advanced-level textbook of organic chemistry for the graduate (B.Sc) and postgraduate (M.Sc) students of Indian and foreign universities. This book is a part of the four-volume series, entitled “A Textbook of Organic Chemistry – Volume I, II, III, IV”. CONTENTS: CHAPTER 1. Nature of Bonding in Organic molecules: Delocalized Chemical Bonding; Conjugation; Cross Conjugation; Resonance; Hyperconjugation; Tautomerism; Aromaticity in Benzenoid and Nonbenzenoid Compounds; Alternant and Non-Alternant Hydrocarbons; Huckel’s Rule: Energy Level of p-Molecular Orbitals; Annulenes; Antiaromaticity; Homo-Aromaticity; PMO Approach; Bonds Weaker than Covalent; Addition Compounds: Crown Ether Complexes and Cryptands, Inclusion Compounds, Cyclodextrins; Catenanes and Rotaxanes CHAPTER 2. Stereochemistry: Chirality; Elements of symmetry; Molecules with more than one chiral centre: diastereomerism; Determination of relative and absolute configuration (octant rule excluded) with special reference to lactic acid, alanine & mandelic acid; Methods of resolution; Optical purity; Prochirality; Enantiotopic and diastereotopic atoms, groups and faces; Asymmetric synthesis: cram’s rule and its modifications, prelog’s rule; Conformational analysis of cycloalkanes (upto six membered rings); Decalins; Conformations of sugars; Optical activity in absence of chiral carbon (biphenyls, allenes and spiranes); Chirality due to helical shape; Geometrical isomerism in alkenes and oximes; Methods of determining the configuration CHAPTER 3. Reaction Mechanism: Structure and Reactivity: Types of mechanisms; Types of reactions; Thermodynamic and kinetic requirements; Kinetic and thermodynamic control; Hammond’s postulate; Curtin-Hammett principle; Potential energy diagrams: Transition states and intermediates; Methods of determining mechanisms; Isotope effects; Hard and soft acids and bases; Generation, structure, stability and reactivity of carbocations, carbanions, free radicals, carbenes and nitrenes; Effect of structure on reactivity; The Hammett equation and linear free energy relationship; Substituent and reaction constants; Taft equation CHAPTER 4. Carbohydrates: Types of naturally occurring sugars; Deoxy sugars; Amino sugars; Branch chain sugars; General methods of determination of structure and ring size of sugars with particular reference to maltose, lactose, sucrose, starch and cellulose. CHAPTER 5. Natural and Synthetic Dyes: Various classes of synthetic dyes including heterocyclic dyes; Interaction between dyes and fibers; Structure elucidation of indigo and Alizarin CHAPTER 6. Aliphatic Nucleophilic Substtitution: The SN2, SN1, mixed SN1 and SN2, SNi , SN1’, SN2’, SNi’ and SET mechanisms; The neighbouring group mechanisms; neighbouring group participation by p and s bonds; anchimeric assistance; Classical and nonclassical carbocations; Phenonium ions; Common carbocation rearrangements; Applications of NMR spectroscopy in the detection of carbocations; Reactivity- effects of substrate structure, attacking nucleophile, leaving group and reaction medium; Ambident nucleophiles and regioselectivity; Phase transfer catalysis. CHAPTER 7. Aliphatic Electrophilic Substitution: Bimolecular mechanisms – SE2 and SEi; The SE1 mechanism; Electrophilic substitution accompained by double bond shifts; Effect of substrates, leaving group and the solvent polarity on the reactivity CHAPTER 8. Aromatic Electrophilic Substitution: The arenium ion: mechanism, orientation and reactivity, energy profile diagrams; The ortho/para ratio, ipso attack, orientation in other ring systems; Quantitative treatment of reactivity in substrates and electrophiles; Diazonium coupling; Vilsmeir reaction; Gattermann-Koch reaction CHAPTER 9. Aromatic Nucleophilic Substitution: The ArSN1, ArSN2, Benzyne and SRN1 mechanisms; Reactivity – effect of substrate structure, leaving group and attacking nucleophile; The von Richter, Sommelet-Hauser, and Smiles rearrangements CHAPTER 10. Elimination Reactions: The E2, E1 and E1cB mechanisms; Orientation of the double bond; Reactivity –effects of substrate structures, attacking base, the leaving group and the medium; Mechanism and orientation in pyrolytic elimination CHAPTER 11. Addition to Carbon-Carbon Multiple Bonds: Mechanistic and stereochemical aspects of addition reactions involving electrophiles, nucleophiles and free radicals; Regio–and chemoselectivity: orientation and reactivity; Addition to cyclopropane ring; Hydrogenation of double and triple bonds; Hydrogenation of aromatic rings; Hydroboration; Michael reaction; Sharpless asymmetric epoxidation. CHAPTER 12. Addition to Carbon-Hetero Multiple Bonds: Mechanism of metal hydride reduction of saturated and unsaturated carbonyl compounds, acids, esters and nitriles; Addition of Grignard reagents, organozinc and organolithium; Reagents to carbonyl and unsaturated carbonyl compounds; Wittig reaction; Mechanism of condensation reactions involving enolates – Aldol, Knoevenagel, Claisen, Mannich, Benzoin, Perkin and Stobbe reactions; Hydrolysis of esters and amides; Ammonolysis of esters.
Download or read book Aromaticity written by Peter J. Garratt and published by Wiley-Interscience. This book was released on 1986-04-25 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Examines aromaticity through the historical and conceptual framework of simple molecular orbital theory. This approach is unique in that theoretical considerations are integrated with experimental observations. The criteria for aromatic, antiaromatic and nonaromatic compounds are discussed in with reference to benzene, cyclobutadiene and cyclooctatetraene. Also includes a chapter on the likely classes of aromatic compounds.
Book Synopsis Chemistry of Nonbenzenoid Aromatic Compounds by : M. Oki
Download or read book Chemistry of Nonbenzenoid Aromatic Compounds written by M. Oki and published by . This book was released on 1971 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: