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|a HCDD
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| 100 |
1 |
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|a Narain, R. P.
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| 245 |
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|a Mechanisms in advanced organic chemistry /
|c R.P. Narain.
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| 260 |
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|a New Delhi :
|b New Age International,
|c ©2008.
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| 300 |
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|a 1 online resource (xvi, 317 pages) :
|b illustrations
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| 336 |
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|a text
|b txt
|2 rdacontent
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| 337 |
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|a computer
|b c
|2 rdamedia
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| 338 |
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|a online resource
|b cr
|2 rdacarrier
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| 500 |
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|a Includes index.
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0 |
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|a Cover13; -- Preface -- Foreword13; -- Contents -- Chapter 1. Carbocations (Carbonium Ions)13; -- Nomenclature -- Structure and Stability -- Generation of Carbocations -- Reactions of Carbocations -- 1. Reaction with nucleophiles -- 2. Elimination of a proton -- 3. Rearrangements -- 4. Addition to unsaturated systems -- Non-Classical Carbocations -- Generation of Non-Classical Carbocations -- Chapter 2. The Carbanion Chemistry -- Stability13; -- Generation of Carbanions -- Abstraction of hydrogen by a base -- From Unsaturated Compounds -- Reactions of Carbanions with Electrophiles -- Substitution reactions of alkyl (sp3) anions -- Addition Reactions of Alkyl (Sp3) Anions -- Reactions of 960; carbanions with Electrophiles -- Elimination Reactions of Carbanions -- Oxidation Reactions of Carbanions -- Rearrangement Reactions of Carbanions -- Intermolecular Rearrangements -- Intramolecular Additions -- Intramolecular Eliminations -- Sigmatropic Carbanion Rearrangement -- Chapter 3. Theory of Concerted Reactions -- What are Concerted Reactions? -- Concerted Mechanism -- Stepwise Mechanism -- What are Stereoselective and Stereospecific Reactions?13; -- Theory of Concerted Reactions -- Homo and Lumo Structures -- Ethylene System13; -- Butadiene System -- Frontier Orbital Approach -- Conjugated Triene -- Chapter 4. Pericyclic Reactions13; -- Introduction -- Cycloaddition Reactions -- Classification -- Classification Based on the Number of Electrons -- General Rule for Pericyclic Reactions -- What is Symmetry Allowed and Symmetry Forbidden Reaction?13; -- Woodward-Hoffmann Rule -- 963; Bonds Involved in Cycloaddition Reactions -- Energy Level Diagram in Cycloaddition -- Some More Examples of 2 + 2 Cycloadditions -- Photochemical Cycloadditions -- 2 + 3 Cycloadditions (1, 3 dipolar cycloadditions) -- 2, 1 Cycloaddition -- 4 + 2 Cycloadditions Diels-Alder Reaction -- Scope of Diels Alder Reaction -- Stereochemistry and Endo and Exo Addition -- Orientation (Regioselectivity) -- Diene Reactivity -- Dienophile Reactivity -- Intramolecular Diels-Alder Reactions -- Chapter 5. Electrocyclic Reactions -- Introduction -- Thermal Electrocyclic Reactions -- 2960; System -- 4960; System -- 6960; System -- Electrocyclic Reactions of Radicals -- Metal-Catalysed Electrocyclic Reactions -- Photochemical Electrocyclic Reactions -- Chapter 6. Sigmatropic Re-arrangements -- Introduction -- Nomenclature -- The Homo Allylic Radicals -- Hydrogen Migrations -- Other Views About Sigmatropic Transition State13; -- Formation of a Cyclic Transition State Structure -- Frontier Orbital Approach -- Some other examples of Hydrogen Shifts13; -- Migrations in Cyclopropane Ring -- Migration of Atoms or Groups Other than Hydrogen -- Selection Rules -- Shifts in Neutral Species -- Shifts in Charged Species -- Application of FMO Method -- Cope and Claisen Rearrangements -- The Cope Rearrangement13; -- The Oxy-Cope Rearrangement -- The claisen rearrangements13; -- Some Other Examples -- Abnormal Claisen Rearrangements -- [2, 3] Sigmatropic Rearrangements -- Photo Chemical Rearrangements -- The Ene Reaction -- Chapter 7. Cheletropic Reactions -- Introduction.
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|a About the Book: For a very long time the need was felt by graduate and postgraduate students of Chemistry of almost all colleges and of Indian Universities for a book dealing with advanced mechanistic organic chemistry written in understandable language and with suitable examples which can be easily grasped to make their concept clear. Besides students, this has also been the requirement of teachers teaching advanced mechanistic organic chemistry. Till about 1959 there appears to be the only book by E.S. Gould (Structure and Mechanism of Organic Chemistry) but the examples mentioned in it are so difficult at several places that they elude the comprehension of even teachers, not to talk of students. Around sixties appeared the book by Jerry March (Advanced Organic Chemistry, Reactions, Mechanism and Structure). It was definitely a much better advance than that of Gould, but it has been made so bulky that its cost has become prohibitive. It adores the racks and shelves of libraries. In view of the above difficulties of teacher and students, the present book has been brought out. Some of its special chapters are the Pericyclic Reactions, which includes Cheletropic, Electrocyclic, sigmatropic and cycloaddition reactions. The concept of stereochemistry and conformation deserve special attention not because they cater to the needs of higher students, but they are immensely useful for candidates trying for UGC and CSIR sponsored competitive examinations, but also those preparing for Union Public Service Commission and State Public Service Commission Exams. The candidates will find the chapters immensely useful and is sure to rouse interest in them in knowing more about mechanistic chemistry. Spectroscopy is another topic, a good knowledge of which is expected from any good chemist. The spectroscopy finds immense applications in the identification of several unknown compounds in the field of research and medicine. Here one has to be very careful in elucidating the correct structure of entities. Moreover, in every examination (Competitive or regular) one has to show his skill in the area of spectroscopy and therefore chapters on spectroscopy giving a clear and lucid account is also noteworthy. Contents: Part I: Carbocations (Cabonium Ions) The Carbanion Chemistry Theory of Concerted Reactions Pericyclic Reactions Electrocyclic Reactions Sigmatropic Rearrangements Cheletropic Reactions Geometrical Isomerism Basic Concepts of Stereochemistry Conformation Some Novel Reactions in Organosilicon Chemistry Part II: General Considerations Ultraviolet Spectroscopy Infrared Spectroscopy NMR Spectroscopy Mass Spectroscopy and Lasers Part III: Some Oxidising Agents and their Mechanism Some Reducing Agents and their Mechanism Miscellaneous Compounds.
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| 588 |
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|a Print version record.
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| 650 |
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|a Chemistry, Organic.
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| 650 |
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7 |
|a organic chemistry.
|2 aat
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| 650 |
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|a SCIENCE
|x Chemistry
|x Organic.
|2 bisacsh
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| 650 |
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|a Chemistry, Organic
|2 fast
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| 758 |
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|i has work:
|a Mechanisms in Advanced Organic Chemistry (Text)
|1 https://id.oclc.org/worldcat/entity/E39PCYgMrb4bHv3Fd8XvCYHf4q
|4 https://id.oclc.org/worldcat/ontology/hasWork
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| 776 |
0 |
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|i Print version:
|a Narain, R.P.
|t Mechanisms in advanced organic chemistry.
|d New Delhi : New Age International, ©2008
|z 9788122421354
|
| 856 |
4 |
0 |
|u https://ebookcentral.proquest.com/lib/holycrosscollege-ebooks/detail.action?docID=424094
|y Click for online access
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|a EBC-AC
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| 994 |
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|a 92
|b HCD
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