Final_Key_Summer_2009_h

Final_Key_Summer_2009_h - Chemistry 308 VIN2 Student...

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Chemistry 308 VIN2 Final Exam Part 1 July 22, 2009 Student Name (PRINT CLEARLY): \ZE 'y Student Signature: SEAT NUMBER: Instructions Please fill out ALL of the infonnation requested at the top of this sheet. Part 1 of this exam consists of 20 questions requiring written responses worth thee points each. Questions requiring a written response should be answered clearly and legibly and only in the space provided. Please answer all questions within this exam booklet only. At the end of the exam, you must hand in this complete exam booklet. Do not separate any of the sheets in this booklet or remove the staple. Do not hand answers in on ~xtra sheets. The length of this part of the exam, including time allowed to fill in all responses, is 75 min. .
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1. Give the reagents and conditions necessary to perform the synthetic transformation below, Number the reactions as usual (3 points)?' NH2 \ J Nc.N\)/-) \-\~ }--\1- \j 10°c. OH ? 1. .. \-\~} ~1.-a J 6. .. 2. Draw the structure of N,N-dimethylpropanamide in the space below (3 points). a ~ /c~" N \ C~\ 5 3. Write a detailed mechanism for the reaction shown below. Use curved arrows to show all electron movements, and indicate all formal charges dearly (3 points), I;£:) 0 ~ "K-O \-11. .- A~ Br2' .catalytic HCI, H2O ~v + \-\ It) @ 1\° \\ \. \\ 1-\ / " "' . - ~. ! ~\-\ i Q " " i-- \ ~ -~\~ .. ~O\-\ ~ \ ~ fS,- g . (" /~ - ~ 0 ~Br 1\ ~ - \-\ \B H J (B 6/\\C O"""H \\ fL. ~ D-{" Total points this page (max 9) =
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t Draw the structure of the major organic product expected from the reaction below (3 points)? 0-
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Final_Key_Summer_2009_h - Chemistry 308 VIN2 Student...

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