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Unformatted text preview: (the 3 rd step of your synthesis) 4. In the Friedel Crafts reaction, show the product you would get if your substituted benzoyl chloride instead of acetyl chloride (an aromotic ring replaces the methyl group of acetyl chloride) 5. You have just synthesized target molecule A. Compounds B, C and D are the side product of the reaction. Using a flow chart, describe how would you purify A from this mixture. C CH 2 CH 3 H HO CO 2 H CHO HOMgBr (HO-, Mg ++ , Br-) D mp>350 C bp=125 B mp=120 A bp=165 C 6. (3 pts) Your synthesis of benzoic acid using the Grignard reaction failed. Later you found out that the ether you were using was contaminated with ethyl alcohol. Explain what had happened....
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- Winter '06
- Diethyl ether, Friedel Crafts reaction, SAMPLE EXAM ANSWERS, compounds A-F answer