About
This is a continuation of Freshman Organic Chemistry I (CHEM 125a), the introductory course on current theories of structure and mechanism in organic chemistry for students with excellent preparation in chemistry and physics. This semester treats simple and complex reaction mechanisms, spectroscopy, organic synthesis, and some molecules of nature.
Course Homepage: [[http://oyc.yale.edu/chemistry/chem-125b]]
Videos

Lecture 29 - Imines and Enamines; Oxidation and Reduction
Aug 19, 2014
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1753 views

Lecture 37 - Proving the Configuration of Glucose and Synthesizing Two Unnatural...
Aug 19, 2014
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1538 views

Lecture 6 - Brønsted Acidity and the Generality of Nucleophilic Substitution
Aug 19, 2014
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1656 views
Lecture 32 - Measuring Bond Energies: Guest Lecture by Prof. G. Barney Ellison
Aug 19, 2014
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1217 views

Lecture 24 - Higher-Order Effects, Dynamics, and the NMR Time Scale
Aug 19, 2014
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1570 views

Lecture 13 - Addition to Form Three-Membered Rings: Carbenoids and Epoxidation
Aug 19, 2014
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1653 views

Lecture 2 - Peculiar Rate Laws, Bond Dissociation Energies, and Relative Reactiv...
Aug 19, 2014
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1701 views

Lecture 12 - Nucleophilic Participation During Electrophilic Addition to Alkenes...
Aug 19, 2014
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1603 views

Lecture 15 - Metals and Catalysis in Alkene Oxidation, Hydrogenation, Metathesis...
Aug 19, 2014
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2013 views

Lecture 10 - Cation Intermediates – Alkenes: Formation, Addition, and Stability
Aug 19, 2014
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1468 views

Lecture 18 - Linear and Cyclic Conjugation Theory; 4n+2 Aromaticity
Aug 19, 2014
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2195 views

Lecture 27 - Triphenylmethyl and an Introduction to Carbonyl Chemistry
Aug 19, 2014
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1579 views

Lecture 16 - Isoprenoids, Rubber, and Tuning Polymer Properties
Aug 19, 2014
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1544 views

Lecture 9 - Pentavalent Carbon? E2, SN1, E1
Aug 19, 2014
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1523 views

Lecture 21 - Functional Groups and Fingerprints in IR Spectroscopy; Precession o...
Aug 19, 2014
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1950 views

Lecture 25 - C-13 and 2D NMR – Electrophilic Aromatic Substitution
Aug 19, 2014
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1530 views

Lecture 17 - Alkynes; Conjugation in Allylic Intermediates and Dienes
Aug 19, 2014
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1376 views

Lecture 5 - Solvation, H-Bonding, and Ionophores
Aug 19, 2014
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1645 views

Lecture 38 - Review: Synthesis of Cortisone
Aug 19, 2014
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1420 views

Lecture 34 - Acids and Acid Derivatives
Aug 19, 2014
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1422 views

Lecture 26 - Aromatic Substitution in Synthesis: Friedel-Crafts and Moses Gomber...
Aug 19, 2014
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1524 views

Lecture 3 - Rate and Selectivity in Radical-Chain Reactions
Aug 19, 2014
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1629 views

Lecture 4 - Electronegativity, Bond Strength, Electrostatics, and Non-Bonded Int...
Aug 19, 2014
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1688 views

Lecture 23 - Diamagnetic Anisotropy and Spin-Spin Splitting
Aug 19, 2014
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1475 views

Lecture 14 - Epoxide Opening, Dipolar Cycloaddition, and Ozonolysis
Aug 19, 2014
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1613 views

Lecture 11 - Carbocations and the Mechanism of Electrophilic Addition to Alkenes...
Aug 19, 2014
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1595 views

Lecture 7 - Nucleophilic Substitution Tools - Stereochemistry, Rate Law, Substra...
Aug 19, 2014
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1742 views
Lecture 31 - Periodate Cleavage, Retrosynthesis, and Green Chemistry
Aug 19, 2014
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1275 views

Lecture 1 - Mechanism: How Energies and Kinetic Order Influence Reaction Rates
Aug 19, 2014
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3035 views

Lecture 28 - Mechanism and Equilibrium of Carbonyl Reactions
Aug 19, 2014
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1468 views

Lecture 22 - Medical MRI and Chemical NMR
Aug 19, 2014
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1963 views

Lecture 33 - Green Chemistry; Acids and Acid Derivatives
Aug 19, 2014
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1624 views

Lecture 30 - Oxidation States and Mechanisms
Aug 19, 2014
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1635 views

Lecture 19 - Aromatic Transition States: Cycloaddition and Electrocyclic Reactio...
Aug 19, 2014
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2006 views

Lecture 36 - α-Reactivity and Condensation Reactions
Aug 19, 2014
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1565 views

Lecture 35 - Acyl Insertions and α-Reactivity
Aug 19, 2014
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1414 views

Lecture 8 - Solvent, Leaving Group, Bridgehead Substitution, and Pentavalent Car...
Aug 19, 2014
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1402 views

Lecture 20 - Electronic and Vibrational Spectroscopy
Aug 19, 2014
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1596 views