CH 262 F 2010 Enolate Practice Problems for Exam 2. 10.21.10

CH 262 F 2010 Enolate Practice Problems for Exam 2....

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Chemistry 262 Fall 2010 Chapter 19 Extra Practice Problems for Exam 2 NOTE BENE: The problems provided below are from a version of this class taught from a different textbook and at a different educational institution. Although these problems cover the reactions we discussed in Chapter 19, points of emphasis and level of difficulty may differ for your exam . Use these problems for extra practice, but your homework assignments are a BETTER GUIDE for the material you can expect to see on Exam 2 . NB #2 : Don’t forget to study the material we covered in chapters 17, 18, 25 and 27, too . 1. Why does the reaction below fail to provide product? 2. Predict the product and provide a mechanism:
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2 2, continued. Predict the products and draw a mechanism for each reaction below.
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3 3. [20 pts] Draw all the carbon-containing products of each reaction below to the right of the arrow. You may ignore stereochemistry for this question.
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Unformatted text preview: Chem 262 folks: DO NOT DO ITEMS b, c, and e. 4 4. [16 pts] Two short syntheses are shown below. Predict the product of each one. You may receive partial credit if you show your work in the space below each question. 5. 5 5. [24 pts] Turn the page sideways and complete the synthetic roadmap below. Chem 262 folks: DO NOT DO Br2 and HCl/Zn reactions below. 6 6. [10 pts] Provide an accurate step-by-step arrow pushing mechanism for the reaction below. 7 7. Prepare the target compounds from the starting materials provided. As usual, all the carbons that end up in your final product must come from the starting materials provided. You may use as many equivalents of each starting material as you want. You may want to do your work on scratch paper....
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CH 262 F 2010 Enolate Practice Problems for Exam 2....

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