Final Exam-2006

Final Exam-2006 - CHEMISTRY 2261 FINAL EXAM NAME(PRINT 1 2...

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CHEMISTRY 2261 December 12, 2006 FINAL EXAM NAME (PRINT)____________________________________________ LIST number TOTAL 123456789 1. ( 20 pts, 2pts ea) Indicate reagents and conditions for each of the following transformations (each is one step). Br CO 2 H SO 3 H NO 2 NH 2 Br O 2. (10 pts, 2 pts ea) Assuming planar structures, characterize the following compounds as aromatic, antiaromatic, or nonaromatic. B N O aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic choose one N N + H O H
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3. (15 pts, 3 pts ea) Give the major product(s) (indicating stereochemistry where appropriate) of each of the following reactions. a) e) b) d) c) 1. 2. HOOH, NaOH Br 2 H 2 O 1. 2. R O O OH HBr BH 3 3. PCl 3 , pyridine 1. 2. HOOH, NaOH BH 3 3. POCl 3 , pyridine Br 2 h ν 2
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4. ( 15 pts, 3 pts ea) Indicate reagents and conditions for each of the following transformations (more than one step may be necessary). c) b) e) a) CO 2 H OH OH CN d) 3
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5. (8 pts) Choose (circle) the major isomer produced in the following Diels-Alder reaction.
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This note was uploaded on 04/21/2010 for the course CHEM 2261 taught by Professor Crowe during the Fall '08 term at LSU.

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Final Exam-2006 - CHEMISTRY 2261 FINAL EXAM NAME(PRINT 1 2...

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