Week 6-August 3

Week 6-August 3 - Week 6 August 3 2011 Test Yourself Now Consider the following dienes Each one is heated with the dienophile cis-dicyanoethylene

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Week 6 August 3, 2011 146 Test Yourself Now! Consider the following dienes. Each one is heated with the dienophile, cis -dicyanoethylene. For each diene, provide the product of the reaction with the dienophile. Be sure to indicate stereochemistry if relevant. If no reaction will take place, write " no reaction " in the box. Then, rank the four dienes in terms of their rate of reaction with the dienophile, with 1 = fastest and 4 = slowest. CN CN CN CN CN CN CN CN + + + + Ranking of Reaction Rate (1 = fastest):
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August 3, 2011 147 Synthesis Using the Diels-Alder Reaction HO HO CN CN Provide a multistep synthesis for the desired product from the indicating starting materials. You may use any inorganic reagents plus any reagents with four (4) carbons or less . Pay careful attention to the specified stereochemistry in your answer. The correct answer will require five or fewer steps. Starting material: any compounds with 4 carbons or less. Desired product
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This note was uploaded on 07/28/2011 for the course CHEM S20 taught by Professor Evan during the Spring '11 term at Belhaven.

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Week 6-August 3 - Week 6 August 3 2011 Test Yourself Now Consider the following dienes Each one is heated with the dienophile cis-dicyanoethylene

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