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Conjugated Pi Systems and Pericyclic Reactions: Study Notes

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Conjugation Chemistry

  • Conjugated states
    03:27
  • Definition of Conjugation
    05:29
  • Review of Common Resonance Structures
    04:50

Molecular Orbital Theory

  • Sigma bond vs. pi bond, which is stronger?
    03:25
  • What’s the difference between sigma and pi bonds?
    02:19
  • What’s the difference between atomic and molecular orbitals?
    11:25

Orbital Diagram:3-atoms- Allylic Ions

  • Orbital Diagram
    04:39
  • Explaining Resonance through MO Theory
    06:27

Orbital Diagram:4-atoms- 1,3-butadiene

  • Alternative MO Notation for Dienes
    06:20
  • Drawing MO Diagram for Dienes
    04:43

Orbital Diagram:5-atoms- Allylic Ions

  • Drawing MO Diagram
    08:12

Orbital Diagram:6-atoms- 1,3,5-hexatriene

  • Drawing MO Diagrams
    13:25

Pericyclic Reaction

  • Properties and Types of Pericyclic Reactions
    07:37

Thermal Electrocyclic Reactions

  • MO Theory of Thermal Electrocyclics
    06:36
  • Predicting Electrocyclic Products
    08:11

Photochemical Electrocyclic Reactions

  • Predicting Electrocyclic Products
    05:44
  • MO Theory of Photochemical Electrocyclics
    04:49

Cumulative Electrocyclic Problems

  • Two Steps to Predicting Any Electrocyclic Products
    05:51

Thermal Cycloaddition Reactions

  • Determining Favorability of HOMOb to LUMOa
    04:23
  • MO Theory of Thermal Cycloadditions
    13:22

Photochemical Cycloaddition Reactions

  • MO Theory of Photochemical Cycloadditions
    09:36
  • Cycloadditions Summary Chart
    08:29

Sigmatropic Rearrangement

  • Definition of Sigmatropic Shifts
    03:51
  • Nomenclature of Sigmatropic Shifts
    03:20

Cope Rearrangement

  • Definition of Cope Rearrangement
    06:28

Claisen Rearrangement

  • When is Enol Tautomer Favored?
    03:15
  • Definition of Claisen Rearrangement
    06:08
  • Predict the Product
    05:41

Diels-Alder Reaction

  • General Features
    09:48

Diels-Alder Forming Bridged Products

  • Bridged-Products
    11:07

Diels-Alder Retrosynthesis

  • Retrosynthesis
    01:22
  • Diels-Alder Retrosynthesis
    04:02
  • Retrosynthesis
    02:37