Exam4 - S341 EXAM 4 Spring 2011 100 points NAME READ the...

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S341 EXAM 4 Spring 2011 100 points NAME ___________________________________________________ 1. READ the directions to each question carefully. 2. Place your answer to each question in the space provided. Put all of your work on the exam. 3. Provide only one answer per question. More than one answer will be considered no answer. 4. Baseball hats are not allowed. Turn it around if you must wear it. 5. No calculators or written materials of any kind are allowing during the exam. 6. Molecular models are permitted, but written instructions for the models are not. 7. If you have a question, ask it. Ambiguities will not be recognized after the exam.
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1. Provide the products or reagents that complete the following reactions. Some may require multiple steps. Pay attention to stereochemistry and place your final answers in the boxes provided. 4 pts each 1. Li/NH 3 2. OsO 4 , t BuOOH O H Br 2 (excess) OH O OH O Br Br 24 pts
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Continued… O CH 3 CH 3 OH H 2 SO 4 (cat.) Cl S O conc. HBr (excess) heat O OH O O O H 3 CO O H 3 CO OH SiR 3 24 pts
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Exam4 - S341 EXAM 4 Spring 2011 100 points NAME READ the...

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