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Pericyclic Reactions and Aromaticity: Study Guide for CHEM 2425 Module 08

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Intro to Pericyclic Reactions

  • Properties and Types of Pericyclic Reactions
    07:37

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

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 Reactions

  • Two Steps to Predicting Any Electrocyclic Products
    05:51

Introduction to Sigmatropic Shifts

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

Aromaticity - Introduction

  • Intro to Aromaticity
    08:19

Four Tests of Aromaticity

  • Four tests
    10:23

Counting Pi Electrons

  • Count the pi electrons present
    00:19
  • Count the pi electrons present
    00:12
  • Counting pi electrons
    01:33

Aromaticity of Hydrocarbons

  • Determine the aromaticity
    00:39
  • Determine the aromaticity
    01:06
  • Determine the aromaticity
    02:58

Aromaticity of Annulene

  • [6]annulene vs. [8]annulene
    04:28
  • Determine annulene aromaticity
    01:13
  • Determine annulene aromaticity
    02:10

Aromaticity of Heterocycles

  • Determine heterocycle aromaticity
    03:21
  • Heteroatoms
    03:21
  • Determine heterocycle aromaticity
    00:56

Inscribed Polygon Method

  • Inscribed Polygon Method
    02:56
  • Inscribed Polygon Method
    11:54

Benzene Nomenclature

  • Benzene Nomenclature
    09:04

Acidity of Aromatic Hydrocarbons

  • Aromatic hydrocarbon acidity
    05:39
  • Comparing hydrocarbon acidity
    02:41
  • Determining hydrocarbon acitidy
    01:50

Basicity of Aromatic Heterocycles

  • The Sp2 Rule
    02:54
  • Heterocycles - Which lone pairs react?
    02:04
  • Draw the acid/base reaction product
    03:55

Electrophilic Aromatic Substitution – General Mechanism

  • EAS General Mechanism
    06:52
  • EAS Review
    03:07

Electrophilic Aromatic Substitution – Reactions

  • EAS Reactions Overview
    11:50