ut2-a - CHEM 228 507 UNIT TEST 2 1 Draw structures...

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CHEM 228 – 507 UNIT TEST 2 1 Draw structures corresponding to each of the following IUPAC names. (3 pts each) 1. diphenyl ether 2. 12-crown-4 3. 1-methoxy-2,2-dimethylpropane 4. Consider the reaction below to answer the following questions. When 1,2-epoxypropane is treated with sodium ethoxide in ethanol 1-epoxy-2-propanol is the major product while only a trace amount of 2-ethoxy-1-propanol is produced. a) Write the complete stepwise reaction mechanism for the formation of the major product . Show all electron flow with arrows and show all intermediate structures. (6 pts) b) Explain why 2-ethoxy-1-propanol is not the major product. (3 pts) © Tammy H. Tiner, 2005 + trace major OH O O OH CH 3 CH 2 OH Na + - OCH 2 CH 3 O H 3 C
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CHEM 228 – 507 UNIT TEST 2 2 Consider the reaction below to answer the following questions: HBr Br Br + X Y 5. The thermodynamically controlled product in this reaction is . (2 pts) 6. The product that results from 1,2-addition is . (2 pts) 7. Write a stepwise mechanism that accounts for both of the products shown. Show all
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This note was uploaded on 04/15/2008 for the course CHEM 228 taught by Professor Tichy during the Spring '08 term at Texas A&M.

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ut2-a - CHEM 228 507 UNIT TEST 2 1 Draw structures...

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