Organic chemistry: Diels-Alder reaction. Dienes, dienophiles; s-cis, s-trans; electron-donating and electron-withdrawing substituents; outside vs. inside positions; endo vs. exo approaches. Molecular orbital diagram for Diels-Alder transition state (Frontier Molecular Orbital Theory); molecular orbital diagrams for endo vs. exo transition states. This is a recording of a tutoring session, posted with the students' permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: http://www.freelance-teacher.com/videos.htm For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: http://www.youtube.com/watch?v=OMqul8LmHg4&feature=PlayList&p=EE627154DC8639DB&index=0&playnext=1 (1) Basic mechanism for Diels-Alder; dienes and dienophiles; s-cis and s-trans (2) Electron-donating and -withdrawing substituents. Diels-Alder examples (3) Examples continued. Diels-Alder stereochemistry—relation between two substituents from the dienophile (4) Continued. Relation between two substituents from the diene (inside vs. outside positions) (5) Continued. A Diels-Alder synthesis problem (6) Relation between a substituent from the diene and a substituent from the dienophile—endo vs. exo (7) Continued. Cyclic dienes (8) Continued (9) Molecular orbital diagram for Diels-Alder transition state (10) Continued. Molecular orbital diagrams for endo vs. exo transition states (11) Continued
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