Practice Exam #3 blank

Practice Exam #3 blank - Me H H H Me Circle here if this is...

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Practice Exam 3 (9/16/09) 1. Using systematic nomenclature, assign a name for the following compound. Br 2. Given the following compound name, draw a valid structure. 5-chloro-4-cyclopentyl-6-hepten-3-ol 3. Draw the two possible chair conformations with appropriate groups in equatorial or axial positions. Predict the most stable conformer and explain briefly your reasoning. 4. Give the systematic name for the following compound. (No stereochemistry, please!) HO Br Cl Br
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5. Draw the following substituted cyclohexane as chair structures. Show both conformations (ring flip) and predict which will be more stable. (15 pts) (Note: the molecule is shown in two different ways. They are the same compound)
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Unformatted text preview: Me H H H Me Circle here if this is more stable. Circle here if this is more stable. Me Me 6. Give the structure of the following compound B first. Then give the structure and name of the reaction product. (15 pts) B 5-phenyl-2-cyclohexenol H 2 , Pd EtOH Product name 7. Draw the most stable conformation of 1-bromo-2-chloroethane using a Newman projection. Label anti, gauche or eclipsed for the form of your choice. (15 pts) The most stable conformation Label Cl HO Cl 8. Give the systematic names for the structures, and the structures for names. Answer all four questions. (20 pts) trans-5-sec-butyl-4-cyclopentyl-7-nonen-3-ol 1-chloro-8-ethyl-8-methylbicyclo [3.2.1]oct-2-ene...
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