2nd hour exam_Chem 3311-200

2nd hour exam_Chem 3311-200 - CHEM 3311, Professor Zhang,...

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CHEM 3311, Professor Zhang, Spring 2010 Second hour exam, Mar 11, 2010 Printed Name: Student ID: . Scores: 1) 2) 3) 4) 5) 6) . This is a closed-book exam. The use of notes, models, calculators, scratch paper will not be allowed during the exam. Please put all your answers on the test. Use the backs of the pages for scratch.
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1. (15 pts) Describe the relationship between each of the following pairs of structures using one of the following descriptions: constitutional isomers; homomers (same molecules); conformers (conformational isomers); enantiomers, or diastereomers. F OH Br OH Br HO HO Br H Br H Br Br F Br Br F a. b. c. d. e. CH 3 F CH 3 Page 2/6
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2. (20 pts) Draw the single major product of each of the following reactions, showing stereochemistry using wedges and dashes. If a racemate is formed, show only one enantiomer of the product, and label it “rac”. 1. Hg(OAc) 2 , H 2 O 2. NaBH 4 Br 2 , CH 2 Cl 2 Br 2 , CH 2 Cl 2 1. O 3 2. HOOH 1. BH 3 2. H 2 O 2 , NaOH a.
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2nd hour exam_Chem 3311-200 - CHEM 3311, Professor Zhang,...

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