07FH5ans - Chem 331 13 C NMR 29.7 t 29.8 q(3 46.4 s 60.0 t...

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3. (10 points) Outline a synthesis of E . You may use any material that contributes three or fewer carbons to the final product. 1. (10 points) Deduce the structures of A and B . 2. (10 points each) Draw an arrow-pushing mechanism for the following transformation. What is the structure of D ? Fall 2007 Homework #5 due: 10 a.m. Mon. Oct 8th Name ___________________
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Unformatted text preview: Chem 331 13 C NMR: 29.7, t 29.8, q (3) 46.4, s 60.0, t 1 H NMR: 0.91, s, 9H 1.53, t, J = 7.3 Hz, 2H 2.13, bs, 1H (exchanges) 3.70, t, J = 7.3 Hz, 2H O E A LiAlH 4 C 6 H 14 O C 7 H 14 O 2 B CN S CH 3 H 3 C CH 2 + CN C + D O O A: B: OH O O H or S CH 3 H 3 C CH 2 CN S CH 3 CH 3 H 2 C CN C + CH 3 S CH 3 D MgBr + O OH O E CrO 3...
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This note was uploaded on 07/08/2008 for the course CHEM 331 taught by Professor Kramer during the Spring '08 term at University of Delaware.

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