424 - Practice Problem 4-24 Answer For each part below,...

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Practice Problem 4-24 Answer For each part below, predict the structure(s) of the major organic product(s) that will form under the indicated reaction conditions. (a) H 3 C CO 2 H + Ph 2 C N N ether H 3 C O OCHPh 2 (b) CO 2 H 1) KOH 2) PhCH 2 Cl O OCH 2 Ph (c) CH 3 1) Hg(OAc) 2 , CH 3 CO 2 H (solvent) 2) NaBH 4 OCCH 3 CH 3 O (d) CH 3 CH 2 C OH O KOH (1 equiv.) O H 3 C H 3 O + O O OH (e) Br CH 2 CH 2 CH 2 CH 2 CO 2 H K 2 CO 3 (a base) acetone (solvent) O O Practice Problem 4-25 Answer Draw the product formed on thermal decarboxylation of each compound. CH 3 O + CO 2 OH O + CO 2 CH 3 O
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Practice Problem 4-26 Answer (a) When compound B (shown below) is warmed gently in dilute aqueous acid, decarboxylation occurs to give two separable products. Draw structures for each of these products, and explain why they are separable. These two compounds are diastereomers, since the substituents are either in a cis or trans relationship to each other. Diastereomers typically have different physical properties, and are therefore separable. (b)
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This note was uploaded on 10/25/2010 for the course CH 310n taught by Professor Iverson during the Summer '08 term at University of Texas at Austin.

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424 - Practice Problem 4-24 Answer For each part below,...

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