The Diels-Alder Reaction THE DIELS-ALDER REACTION Pre-Laboratory Questions/Exercises Sec. No. Name 1. What problems might arise if the solvent were not anhydrous? 2. Sketch the highest occupied molecular orbital (HOMO) of butadiene, sketch the lowest unoc- cupied molecular orbital (LUMO) of ethylene, and show that these orbitals have the correct symmetry for cycloaddition. aboocne 9orollo ds To dos onRgonq blaow DoTwod worl o alilelorCIs ya 3 HOT 3. In the reaction between a 1,3-cyclopentadiene and maleic anhydride, why is the major product the more sterically hindered endo cycloadduct rather than the exo? о S O endo exo majoro minor DA O shas works h ece t ece t www.gggae The Organic Chemistry Laboratory Experience 42 4. Draw the structures for the products of each of the following Diels-Alder reactions: ÇO2ME Bv-T CO2ME NC. NON NC CN O bstud to (OMOH) Ieidzo spolom boiquoo0 180rdgid od r wr O 5. Show how you would prepare each of the following compounds using a Diels-Alder reaction: CH3 NO bydas oisinn bus onsibetaoqgoloroCNtoted noboe s af & Sows odh ouch sorlis obboloye c alor broqc bairl vilnoiroiom GX0

The Diels-Alder Reaction THE DIELS-ALDER REACTION Pre-Laboratory Questions/Exercises Sec. No. Name 1. What problems might arise if the solvent were not anhydrous? 2. Sketch the highest occupied molecular orbital (HOMO) of butadiene, sketch the lowest unoc- cupied molecular orbital (LUMO) of ethylene, and show that these orbitals have the correct symmetry for cycloaddition. aboocne 9orollo ds To dos onRgonq blaow DoTwod worl o alilelorCIs ya 3 HOT 3. In the reaction between a 1,3-cyclopentadiene and maleic anhydride, why is the major product the more sterically hindered endo cycloadduct rather than the exo? о S O endo exo majoro minor DA O shas works h ece t ece t www.gggae The Organic Chemistry Laboratory Experience 42 4. Draw the structures for the products of each of the following Diels-Alder reactions: ÇO2ME Bv-T CO2ME NC. NON NC CN O bstud to (OMOH) Ieidzo spolom boiquoo0 180rdgid od r wr O 5. Show how you would prepare each of the following compounds using a Diels-Alder reaction: CH3 NO bydas oisinn bus onsibetaoqgoloroCNtoted noboe s af & Sows odh ouch sorlis obboloye c alor broqc bairl vilnoiroiom GX0

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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