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Exam 2 Study Guide: NMR, Conjugated Systems, and Pericyclic Reactions

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Index of Hydrogen Deficiency (Structural)

  • Is the following molecule saturated?
    00:30
  • What is the IHD of the following molecule?
    00:45
  • What index of hydrogen deficiency is.
    01:15

1H NMR - Total Number of Signals

  • General Assumption for 1H NMR Signals
    04:35
  • Identifying Proton Signals
    02:02
  • Identifying Proton Signals
    01:55

1H NMR - Spin-Splitting without J-Values

  • Splitting without J-values
    12:21
  • Proton Splitting
    03:

1H NMR - Integration

  • 1H NMR Integration
    06:46
  • Draw Complete NMR Spectrum
    04:29

13C NMR - General Features

  • 13C NMR General Features
    04:00
  • 1H and 13C Joint Problem
    01:10
  • Identifying 13C Signals
    02:12

Introduction to Conjugation

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

Reactions at the Allylic Position

  • Guided course
    Reactions at the Allylic Position Example 1
    2:01
  • Guided course
    Reactions at the Allylic Position Concept 4
    3:07
  • Guided course
    Reactions at the Allylic Position Concept 1
    1:26

Conjugated Hydrohalogenation

  • 1,2 vs. 1,4 products
    03:06
  • 1,2 vs. 1,4 products
    02:13
  • Kinetic vs. Thermodynamic Control
    08:51

Diels-Alder Reaction - General Features

  • General Features
    09:48

Thermal Cycloaddition Reactions

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

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

Frontier Molecular Orbital Theory - Finding HOMO/LUMO

  • HOMO vs. LUMO
    02:35

Introduction to Sigmatropic Shifts

  • 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

Woodward-Fieser Rules

  • Guided course
    Woodward-Fieser Rules Concept 1
    5:51
  • Guided course
    Woodward-Fieser Rules Example 1
    1:18