Dolbier HW Solutions 507

Dolbier HW Solutions 507 - 601 ESTER ENOLATES O (f) ?...

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A-2. Provide the correct structures of compounds A through E in the following reaction sequences: ( a ) ( b ) A-3. Give a series of steps that will enable preparation of each of the following compounds from the starting material(s) given and any other necessary reagents: ( a ) ( b ) A-4. Write a stepwise mechanism for the reaction of ethyl propanoate with sodium ethoxide in ethanol. A-5. Ethyl 2-methylpropanoate does not undergo a Claisen condensation, whereas ethyl 3-methylbutanoate does. Provide a mechanistic explanation for this observation. PART B B-1. Which of the following compounds is the strongest acid? ( a ) HCO 2 CH 2 CH 3 ( b )C H 3 CH 2 O 2 CCH 2 CO 2 CH 2 CH 3 ( c H 3 CH 2 O 2 CCH 2 CH 2 CO 2 CH 2 CH 3 ( d H 3 CO 2 CH 2 CH 3 B-2. Which of the following will yield a ketone and carbon dioxide following saponi
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This note was uploaded on 10/03/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.

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