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Author Singh, Jagdamba
Title Photochemistry and Pericyclic Reactions
Imprint Kent : New Academic Science, 2009
©2012
book jacket
Edition 3rd ed
Descript 1 online resource (470 pages)
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Note Cover -- Preface to the Third Edition -- Preface to the First Edition -- Chapter-1. Pericyclic Reactions -- 1.1 Introduction -- 1.2 Construction of π Molecular Orbitals of Ethylene and 1, 3-Butadiene -- 1.3 Symmetry in π Molecular Orbital -- 1.4 Filling of Electrons in π Molecular Orbitals in Conjugated Polyenes -- 1.5 Construction of Molecular Orbitals of Conjugated Ions and Radicals -- 1.6 Frontier Molecular Orbitals -- 1.7 Excited States -- 1.8 Symmetries in Carbon-Carbon Sigma Bond -- 1.9 Theory of Pericyclic Reactions -- Glossary -- Further Reading -- Problems -- Chapter-2. Electrocyclic Reactions -- 2.1 Introduction -- 2.2 Conrotatory and Disrotatory Motions in Ring-Opening Reactions -- 2.3 Conrotatory and Disrotatory Motion in Ring -Closing Reactions -- 2.3.1 Open Chain Conjugated System Having 4n Conjugated Electrons -- 2.3.2 Open Chain Conjugated System Having (4n + 2) π Conjugated Electrons -- 2.4 Frontier Molecular Orbital (FMO) Method -- 2.4.1 Cyclisation of 4n π Systems -- 2.4.2 Electrocyclic Ring - Opening in which Polyene has 4n π Electrons -- 2.4.3 Cyclisation of (4n + 2) Systems -- 2.4.4 Electrocyclic Ring - Opening in which Polyene has (4n + 2) Electrons -- 2.4.5 Selection Rules and Microscopic Reversibility -- 2.5 Correlation Diagram -- 2.5.1 Correlation Diagram of the Electrocyclic Reaction in Which Polyene has 4n Electrons -- 2.5.2 Correlation Diagram of Electrocyclic Reaction in which Polyene has (4n + 2) π Electrons -- 2.6 The Woodward - Hoffmann Rule for Electrocyclic Reactions -- 2.6.1 Woodward - Hoffmann Rule for Electrocyclic Thermal Reactions -- 2.6.2 Photochemical Electrocyclic Reactions -- 2.7 Huckel - Mobius (H-M) Method or Perturbation Molecular Orbital (PMO) Method -- Glossary -- Further Reading -- Problems -- Chapter-3. Cycloaddition Reactions -- 3.1 Introduction
3.2 Theory of Cycloaddition Reactions : FMO Method -- 3.2.1 [2 + 2] Cycloaddition Reactions -- 3.2.2 [4 + 2] Cycloaddition Reactions -- 3.3 Correlation Diagrams of Cycloaddition Reactions -- 3.3.1 Orbital Symmetry in Cycloaddition -- 3.3.2 Correlation Diagram of [4 + 2] Cycloaddition Reaction -- 3.4 The Woodward - Hoffmann Rule for Cycloaddition Reactions -- 3.4.1 The Woodward-Hoffmann Rule in | 4 + 2 | Cycloadditions -- 3.4.2 Woodward-Hoffmann Rule in + 2| Cycloadditions -- 3.5 Huckel - Mobius Method -- 3.6 Cycloreversion or Retrocycloaddition Reactions -- 3.7 [4 + 2 ] Cycloadditions of Cations and Anions -- 3.8 Cycloadditions Involving More Than [4 + 2] Electrons -- 3.9 Some Anomalous [2 + 2] Cycloadditions -- 3.10 Chelotropic Reactions -- 3.10.1 [2 + 2] Chelotropic Cycloadditions -- 3.11 Chelotropic Elimination -- 3.12 1, 3- Dipolar Cycloadditions -- 3.12.1 Stereochemistry of 1, 3-Dipolar Cycloadditions -- Glossary -- Further Reading -- Problems -- Chapter-4. Sigmatropic Rearrangement -- 4.1 Introduction and Classification -- 4.1.1 Classification of Sigmatropic Rearrangements -- 4.1.2 Name of the Rearrangement -- 4.2 Mechanism of Sigmatropic Rearrangement -- 4.2.1 Sigmatropic Shifts of Alkyl Group -- 4.2.2 Selection Rules for Sigmatropic Rearrangement -- 4.3 Other Sigmatropic Shifts -- 4.3.1 Cope Rearrangement -- 4.3.2 Claisen Rearrangement -- 4.4 [2,3] Sigmatropic Rearrangements -- 4.5 Some Other [m,n] Sigmatropic Rearrangements -- 4.6 The Woodward - Hoffmann Rule for Sigmatropic Rearrangement -- 4.6.1 The Woodward - Hoffmann Rule for (m, n] Sigmatropic Rearrangement where Migrating Group is not Hydrogen -- 4.6.2 The Woodward - Hoffmann Rule for (m, n) Sigmatropic Rearrangement where Migrating Group is Hydrogen -- 4.7 Huckel - Mobius Method in Sigmatropic Rearrangements -- 4.8 Modified and Degenerate Cope Rearrangement
4.9 Fluxional Molecules -- Glossary -- Further Reading -- Problems -- Chapter-5. Group Transfer Reactions -- 5.1 Ene Reactions -- 5.2 Group Transfer Reactions Given by Diimide -- Glossary -- Further Reading -- Problems -- Chapter-6. Introduction and Basic Principles of Photochemistry -- 6.1 Energy of a Molecule -- 6.2 Photochemical Energy -- 6.2.1 Photochemical Excitation of the Molecule -- 6.3 Electronic Transitions -- 6.3.1 Types of electronic Excitation and Molecular Orbital View of Excitation -- 6.4 Spin Multiplicity -- 6.5 Nomenclature of Excited States -- 6.6 The Fate of the Excited Molecule - Physical Processes : Jablonski Diagram -- 6.7 Photolytic Cleavage -- 6.8 Laws of Photochemistry -- 6.8.1 Grotthurs - Drapper Law -- 6.8.2 Einstein's Law of Photochemical Equivalence -- 6.9 Quantum Yield or Quantum Efficiency -- 6.9.1 The Reasons for High Quantum Yield -- Further Reading -- Problems -- Chapter-7 Photochemistry of Carbonyl Compounds -- 7.1 α- Cleavage or Norrish type I Process -- 7.1.1 Norrish Type I Process Given by Acyclic Saturated Ketones -- 7.1.2 Norrish Type I Reaction of Saturated Cyclic Ketones -- 7.1.3 Norrish Type I Process Given by Cyclopentanones -- 7.14 a-Cleavage Given by Cyclobutanones -- 7.2 β-Cleavage Reaction -- 7.3 Intramolecular Hydrogen Abstraction (y-Hydrogen Abstraction) -- 7.4 Hydrogen Abstraction From Other Sites -- 7.4.1 B-Hydrogen Abstraction -- 7.4.2 and e-Hydrogen Abstraction -- 7.4.3 Hydrogen Abstraction from Distant Sites -- 7.5 Formation of Photoenols or Photoenolisation -- 7.6 Intermolecular Hydrogen Transfer : Intermolecular Photo Reduction -- 7.7 Photocycloaddition Reaction (Paterno - Buchi Reaction) -- 7.7.1 Addition of Electron - Rich Alkenes -- 7.7.2 Addition to Electron Deficient Alkenes -- 7.7.3 Oxitane Formation with Dienes and Alkynes -- 7.7.4 Intramolecular Paterno - Buchi Reaction
7.8 [2 + 2] Cycloaddition Reaction of Enones with Alkenes -- Glossary -- Further Reading -- Problems -- Chapter-8. Photo Rearrangements -- 8.1 Photo Rearrangement of Cyclopentenone -- 8.2 Cyclohexanone Rearrangements -- 8.2.1 Lumiketone Rearrangement -- 8.2.2 Di-π Methane Type Rearrangement -- 8.3 Rearrangement of Dienones -- 8.4 Photo Rearrangements of b, y-Unsaturated Ketones -- 8.4.1 Mechanism of 1,2 - Acyl Shift -- 8.4.2 Mechanism of 1,3 - Acyl Shift -- 8.5 Aza - Di - Methane Rearrangement -- 8.6 Di-π-Methane (DPM) Rearrangement -- 8.7 Rearrangements in Aromatic Compounds -- Glossary -- Further Reading -- Problems -- Chapter-9. Photo Reduction and Photo Oxidation -- 9.1 Photo Reduction of Carbonyl Compounds -- 9.2 Photo Reduction of Aromatic Hydrocarbons -- 9.3 Photochemical Oxidations -- 9.4 Photo Oxidation of Alkenes and Polyenes -- Glossary -- Further Reading -- Problems -- Chapter-10. Photochemistry of Alkenes, Dienes and Aromatic Compounds -- 10.1 Photochemistry of Alkenes -- 10.2 Cis-Trans Isomerisation of Alkenes -- 10.2.1 Cis-Trans Isomerisation of Alkenes by Direct Irradiation -- 10.2.2 Sensitised Cis-Trans isomerisation -- 10.3 Dimerisation of Alkenes -- 10.3.1 Intramolecular Dimerisation -- 10.4 Photochemistry of Conjugated Dienes -- 10.4.1 Photochemistry of conjugated Dienes in Solution -- 10.5 Photoisomerisation of Benzene and Substituted Benzene -- 10.5.1 1,2-Alkyl Shift -- 10.5.2 Mechanism of 1, 3-Alkyl Group Shift -- 10.6 Photoaddition of Alkenes to Aromatic Benzenoid compounds -- 10.6.1 1, 2-Cycloaddition Reactions -- 10.6.2 1, 3-Photoaddition of Benzene -- 10.6.3 1, 4-Photoaddition of Benzenes -- 10.7 Addition of Oxygen -- 10.8 Aromatic Photosubstitution -- 10.8.1 Type A Reactions -- 10.8.2 Type B Substitutions -- 10.8.3 Radical Substitutions -- 10.9 Photochemistry of Diazo Compounds -- 10.10 Photochemistry of Azides -- Glossary
Further Reading -- Problems -- Chapter-11. Photo Substitution Reactions at sp3 Hybrid Carbon Having at Least One Hydrogen -- 11.1 Introduction -- 11.2 Barton Reaction -- 11.3 The Hoffmann - Loeffler - Freytag Reaction -- 11.4 Photolysis of Hypohalites -- Glossary -- Further Reading -- Problems -- Chapter-12. Photochemistry in Natural Products -- 12.1 Photo Rearrangement or Isomerisation -- 12.2 Photochemistry of Natural Products Containing Bicyclo [3, 1, 0] Hexane - 2 - One Residue -- 12.3 Photochemistry of Natural Products Having β, γ-Unsaturated Ketone Group -- 12.4 Photochemistry of Natural Products Having Epoxy Ketone System -- 12.5 Dye - Sensitised Photooxygenations -- 12.6 Photochemistry of Saturated Ketones -- Chapter-13. Photochemistry in Natur and Applied Photochemistry -- 13.1 Photochemical Reactions in the Atmosphere -- 13.2 Chemistry of Vision -- 13.3 Photography -- 13.4 Light-Absorbing Compounds -- 13.5 Photochromism -- 13.6 Photoimaging -- 13.7 Photochemistry of Polymers -- Problems -- Chapter-14. Problems and Their Solutions -- Index
Description based on publisher supplied metadata and other sources
Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2020. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
Link Print version: Singh, Jagdamba Photochemistry and Pericyclic Reactions Kent : New Academic Science,c2009 9781906574161
Subject Organic photochemistry -- Textbooks.;Pericyclic reactions -- Textbooks.;Ring formation (Chemistry) -- Textbooks
Electronic books
Alt Author Singh, Jaya
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