Practice Exam 1 Unit 1

Practice Exam 1 Unit 1 - o Give a clear, FOUR step...

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C HEM 334 P RACTICE E XAM U NIT 1 S PRING 2011 P LEASE TURN INTO J OHN H IGGINS OR B RAD S IECKMAN BEFORE STARTING THE EXAM ON F EBRUARY 3 RD Name:_____________________________ Section:________ 1) Synthesis
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2 2) Problem Solving
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3 3) Synthesis Show, by reverse synthesis, how you would make Product A using a Robinson Annulation Reaction. Answers may be used more than once if necessary. Show the structures of the relevant intermediate compounds and the structures of the two starting compounds. Synthesis Part B Answer 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
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4 4. Draw the structures of X and Y. (9 pts) 5. Draw the structures of B , C , and D . (6 pts) 6) Mechanism o Write the product of the base-catalyzed transformation shown.
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Unformatted text preview: o Give a clear, FOUR step mechanism for the reaction. o Each step must be shown accurately, with reagents included. o All electron shifts must be shown according to the convention shown. 7. Name the following structural units. a. b. c. d. e. 8. Show the necessary reagents needed to complete the conversion from the reactant to the product of the following conversions. Please select all reagents used from the reagent bank and write them in then provided answer box. Answers 1. 2. 3. 4. 5. 6. 7. 5 8. 9. 10. Reagent Bank:...
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This note was uploaded on 02/21/2012 for the course CHEM 334 taught by Professor Wang during the Spring '09 term at South Carolina.

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Practice Exam 1 Unit 1 - o Give a clear, FOUR step...

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