Comp. Final Practice Exam1

Comp. Final Practice Exam1 - 12 Draw the structures of A...

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CHEM 334 Comprehensive Final – Practice Exam Fall Semester 2010 Exam Date: May 4, 2011 ad Exam Time: 2:00 p.m. - 4:00 p.m. Dr. George Handy Location: PSC 214
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1. Complete the following synthesis. 2. Using the starting compounds A, B, and C , synthesize the final product D . 3. Show how you convert the starting compound into the final product prosynthetically , using the various synthetic procedures you have been taught. 4. Synthesize the final product ( Z ) using reductive amination . Additional organic and inorganic reagents can be used. All intermediates, reagents, and conditions must be shown.
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Answers A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. 5. The following is a stepwise synthesis of a tri-substituted benzene ring. Complete the missing reagents or products in the answer boxes. Reagents/structures can be used more than once.
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8. Write the Structure of X 9. Which compound(s) cannot be prepared from benzene in two synthetic steps? 11. Draw ALL possible products that may be formed during this transformation.
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Unformatted text preview: 12. Draw the structures of A and B. 13. Draw the structures of A-C 14. Write the mechanism and product for the following base-catalyzed transformation shown. Give a clear, four-step mechanism for the reaction, including all reagents and electron shifts. 15. Draw structures for A , B , and C . Give a DETAILED STEPWISE mechanism for the formation of A , B , and C , include all formal charges, electron shifts and resonance structures. 16. Draw the product of TS 1 and TS 2 and the structures of the three high energy intermediates (resonance) during EAS of styrene. (5 pts) 17. Give a detailed stepwise mechanism for the sulfonation of the compound shown below. Write down the product and be sure to show all three stages of EAS. Include the resonance structures of the high energy intermediate and the two transition states that are formed during the overall process. (5 pts) 18. Show a detailed, stepwise mechanism for the following reaction:...
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Comp. Final Practice Exam1 - 12 Draw the structures of A...

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