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Interactive video lesson plan for: 29. Imines and Enamines. Oxidation and Reduction

Activity overview:

Freshman Organic Chemistry II (CHEM 125B)

Imines are pervasive in chemistry and biology, playing key roles both the in artificial Strecker synthesis of amino acids and their biosynthesis by L-glutamate dehydrogenase and by transamination. Imines are also involved in Stork's [gr]α-alkylation and acylation of ketones by way of enamine intermediates. Oxidation and reduction in organic chemistry can involve actual electron transfer, when ion-radical intermediates are involved as in the formation of Grignard reagents or in the pinacol reduction. But more often in treating the covalent molecules of organic chemistry atomic oxidation states are used as an artificial bookkeeping device that helps suggest reagent choice for transformations that do not involve literal electron transfer. Oxidation states are assigned by pretending that covalent bonds between different atoms are purely ionic.

00:00 - Chapter 1. Imines
07:16 - Chapter 2. Amino Acid Synthesis
17:14 - Chapter 3. Enamine Alkylation and Acylation
26:48 - Chapter 4. Oxidation and Reduction as Electron Transfer
33:04 - Chapter 5. Oxidation and Reduction as Bookkeeping: Atomic Oxidation States

Complete course materials are available at the Open Yale Courses website: http://oyc.yale.edu

This course was recorded in Spring 2011.

Tagged under: imine,4-DNP,Girard' reagent,Strecker synthesis,L-glutamate dehydrogenase,transamination,Stork,enamine alkylation,enamine acylation,oxidation,reduction,electron transfer,Grignard reagent,pinacol reduction,oxidation state,bookkeeping

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