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Pericyclic Reactions Part 3: Sigmatropic Shifts (Cope Rearrangement, Claisen Rearrangement)
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Classroom Contents
Organic Chemistry
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- 1 IUPAC Nomenclature of Alkanes: Part 1
- 2 IUPAC Nomenclature of Alkanes: Part 2
- 3 IUPAC Nomenclature of Haloalkanes and Alcohols
- 4 IUPAC Nomenclature of Alkenes and Alkynes
- 5 IUPAC Nomenclature of Cyclic Compounds
- 6 Resonance Structures/Assigning Formal Charge
- 7 Conformational Analysis of Ethane and Butane - Newman Projections
- 8 Cyclohexane Chairs
- 9 Stereochemistry: Enantiomers
- 10 Cahn-Ingold-Prelog Convention (Determining R/S)
- 11 Stereochemistry: Meso Compounds, Diastereomers
- 12 Nucleophiles, Electrophiles, Leaving Groups, and the SN2 Reaction
- 13 SN1 Reaction
- 14 E2 Reaction
- 15 E1 Reaction
- 16 Choosing Between SN1/SN2/E1/E2 Mechanisms
- 17 E2 on Cyclic Systems
- 18 Zaitsev and Hofmann Elimination Products
- 19 E/Z Absolute Configuration of Alkenes
- 20 Carbocation Rearrangement - Hydride and Methanide Shifts
- 21 Addition Reactions
- 22 Hydrohalogenation, Hydration, Dihalogenation
- 23 Addition on Conjugated Polyunsaturated Systems
- 24 Hydrogenation of Alkynes
- 25 Halohydrin Formation
- 26 Oxymercuration-Demercuration
- 27 Hydroboration-Oxidation
- 28 Alkyne Synthesis by Double Dehydrohalogenation
- 29 Williamson Ether Synthesis
- 30 Diels-Alder Cycloaddition
- 31 Ozonolysis
- 32 Oxidation and Reduction
- 33 Aldol Condensation
- 34 Michael Addition
- 35 Robinson Annulation
- 36 Regioselective Enolization and Thermodynamic vs. Kinetic Control
- 37 Claisen Condensation and Dieckmann Condensation
- 38 Reactions of Beta-Dicarbonyl Compounds
- 39 Aromaticity and Huckel's Rule
- 40 Free Radicals
- 41 Free Radical Halogenation
- 42 Anti-Markovnikov Hydrohalogenation
- 43 Electrophilic Aromatic Substitution
- 44 Friedel-Crafts Alkylation
- 45 Friedel-Crafts Acylation
- 46 Ortho/Meta/Para Directors
- 47 Clemmensen Reduction
- 48 Grignard Reaction
- 49 Wittig Reaction
- 50 IR Spectroscopy
- 51 NMR Spectroscopy
- 52 Homotopic, Enantiotopic, Diastereotopic, and Heterotopic Protons
- 53 Mass Spectrometry
- 54 Reactions of Epoxides
- 55 Hemiacetals, Acetals, and Imines
- 56 Retrosynthetic Analysis
- 57 Leaving Group Derivatives
- 58 Protecting Groups
- 59 Nomenclature of Polycyclic Compounds: Naphthalene, Biphenyl, Anthracene, Spiro, Bicyclo
- 60 More Examples Using the Cahn-Ingold-Prelog Convention
- 61 More Practice With H-NMR Spectra
- 62 Chiral Molecules With No Chiral Centers
- 63 Separating Components of a Mixture by Extraction
- 64 Thin Layer Chromatography (TLC)
- 65 Column Chromatography
- 66 Separating Liquids by Distillation
- 67 Recrystallization
- 68 Nucleophilic Aromatic Substitution
- 69 Carboxylic Acids and Their Derivatives
- 70 Carbonic Acid Derivatives
- 71 Properties of Amides
- 72 Assigning R/S on Fischer Projections
- 73 Fischer Esterification and Saponification
- 74 Organolithium Reagents
- 75 Organocuprates (Gilman Reagents)
- 76 Stereospecificity vs. Stereoselectivity and Regiospecificity vs. Regioselectivity
- 77 Oxidation of Alkenes Using Potassium Permanganate (Hot and Cold Conditions)
- 78 Hofmann Elimination via Exhaustive Methylation of Amines
- 79 Beckmann Rearrangement
- 80 Baeyer-Villiger Oxidation
- 81 Allylic/Benzylic Bromination With N-Bromo Succinimide (NBS)
- 82 Reduction of Esters With DIBAL-H
- 83 Cleavage of Carbon-Carbon Bonds With Periodic Acid
- 84 The Haloform Reaction
- 85 Carbenes Part 1: Properties and Formation
- 86 Carbenes Part 2: Cyclopropanation, C-H Insertion, and the Bamford-Stevens Reaction
- 87 Diazomethane Synthesis and Applications (Arndt-Eistert Homologation)
- 88 The Chemistry of Arynes (Benzyne)
- 89 Heterocycles Part 1: Furan, Thiophene, and Pyrrole
- 90 Heterocycles Part 2: Pyridine
- 91 Pericyclic Reactions Part 1: Revisiting the Diels-Alder Reaction
- 92 Pericyclic Reactions Part 2: Hetero-DA Reactions and 1,3-Dipolar Cycloadditions
- 93 Pericyclic Reactions Part 3: Sigmatropic Shifts (Cope Rearrangement, Claisen Rearrangement)
- 94 Pericyclic Reactions Part 4: Electrocyclizations (Conrotatory/Disrotatory and Nazarov Cyclizations)
- 95 Gabriel Amine Synthesis
- 96 Strecker Amino Acid Synthesis
