2425Chapt14

2425Chapt14 - CHAPTER 14(Dienes Practice Exercises CHEM...

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CHAPTER 14 ( Dienes - Practice Exercises ) CHEM 2425 Dr. Pahlavan / Dr. Cherif / Dr. Dessens 1. Select the most stable dienes structure in each set. Circle the correct one in each set. Part A. A B C D Part B. A B C D Part C. CH 2 = CH - CH = C =CH 2 CH 2 = C = CH - CH 2 - CH 3 CH 2 = CH - CH 2 - CH = CH 2 A B C 2. Select the major product from the structures below for the reactions shown: + H CH 3 CH 3 H + HH CN H CN c) CHO + d) + C e) + O CN f) + CH 3 CH 3 a) b) OH NBS CCl 4 g) h) OH OH H 2 SO 4 heat K + - OCCH 3 t -BuOH 3. Which of the following dienes CAN NOT be used as the component in a Diels Alder Reaction? (You may check more than one): C = C = C CH 3 CH 3 CH 3 CH 3 1
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                          A            B          C                      D   E 4. Write a complete mechanism for the following reaction and explain kinetic product stability vs thermodynamic product stability. H
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This note was uploaded on 09/24/2011 for the course CHEM 1411-12 taught by Professor Pahlavan during the Spring '10 term at HCCS.

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2425Chapt14 - CHAPTER 14(Dienes Practice Exercises CHEM...

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