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Advanced Study Notes: NMR Spectroscopy, Alcohols, Ethers, Epoxides, Conjugated Systems, and Aromaticity

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1H Nuclear Magnetic Resonance - General Features

  • General NMR Features
    10:06

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 Spin-Splitting - Common Patterns

  • Common Splitting Patterns
    08:06

1H NMR - Integration

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

NMR Practice

    13C NMR - General Features

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

    Chemical Reactions of Phosphate Anhydrides

    • Guided course
      Chemical Reactions of Phosphate Anhydrides Example 2
      1:54
    • Guided course
      Chemical Reactions of Phosphate Anhydrides Concept 1
      3:11
    • Guided course
      Chemical Reactions of Phosphate Anhydrides Concept 3
      3:20

    Synthesis of Alcohols Overview

    • Forming alcohols through SN2 reactions.
      01:44
    • Forming alcohols through Acid-Catalyzed Hydration.
      02:02
    • Forming alcohols through Hydroboration-Oxidation.
      01:37

    Oxidation

    • Reagents
      01:52
    • Strong oxidizing agents
      05:53
    • Strong oxidizing agents
      03:40

    Use of Protecting Groups

    • Use of Protecting Groups
      04:34
    • Provide mechanism and final product of transformation.
      04:45

    Reactions of Organometallics

    • Reactions of Organometallics
      13:40

    Retrosynthesis

    • Intro
      01:07

    Epoxide Ring Opening

    • Base-Catalyzed Epoxide Ring-Opening
      04:44
    • Acid-Catalyzed Epoxide Ring-Opening
      04:34

    Electrophilic Aromatic Substitution – General Mechanism

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

    Electrophilic Aromatic Substitution – Reactions

    • EAS Reactions Overview
      11:50

    Generating Electrophiles – EAS Halogenation

    • EAS Halogenation
      06:26

    Generating Electrophiles – EAS Nitration

    • Reduction of Nitro Groups
      03:23
    • EAS Nitration
      06:09

    Generating Electrophiles – Friedel-Crafts Alkylation

    • Friedel-Crafts Alkylation
      06:30

    Generating Electrophiles – Friedel-Crafts Acylation

    • Friedel-Crafts Acylation
      05:20

    Side-Chain Halogenation

    • Side-Chain Halogenations
      06:14

    Side-Chain Oxidation

    • Benzylic Oxidation
      03:20
    • Which alkylbenzene would NOT yield benzoic acid, treated with KMnO4
      00:49

    Reactions at Benzylic Positions

    • Guided course
      Reactions at Benzylic Positions Example 3
      1:12
    • Guided course
      Reactions at Benzylic Positions Example 2
      2:03
    • Guided course
      Reactions at Benzylic Positions Concept 1
      1:01

    Diels-Alder Reaction - General Features

    • General Features
      09:48

    Molecular Orbitals

    • 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

    Frontier Molecular Orbital Theory - Finding HOMO/LUMO

    • HOMO vs. LUMO
      02:35