NMR_problems_KEY - OH O 5. C 10 H 12 Br 2 O 2 3 4 5 6 7 8...

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CEM 252 NMR-Session Problems 09-05-07
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1 2 3 PPM 6 2 3 1 1 1. C 6 H 13 Cl Determine the structures of the molecules with the following spectra: 1 H NMR: 0.91 ppm (d, 6H); 1.49 ppm (t, 2H); 1.60 ppm (d, 3H); 1.62 ppm (m, 1H); 3.64 ppm (sextet, 1H); 2. C 4 H 11 N 1 2 3 PPM 3 3 2 2 1 IR : 3310 cm -1 (weak), 3340 cm -1 (weak) 1 H NMR: 0.9 ppm (t, 3H); 1.12 ppm (d, 3H); 1.62 ppm (quintet, 2H); 2.0 ppm (broad singlet, 2H); 2.8 ppm (sextet, 1H); NH 2 Cl
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4. C 4 H 8 O 3 3. C 7 H 16 1 2 PPM 6 1 1 1 H NMR: 0.91 ppm (d, 6H); 1.21 ppm (t, 1H); 1.62 ppm (multiplett, 1H) 2 3 4 PPM 3 1 3 1 IR : 3400 cm -1 , (broad, strong) 1 H NMR: 1.35 ppm (d, 3H); 2.80 ppm (s, broad, 1H); 3.68 ppm (s, 3H); 4.29 ppm (q, 1H); O
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Unformatted text preview: OH O 5. C 10 H 12 Br 2 O 2 3 4 5 6 7 8 PPM 5 1 1 2 3 6. C 6 H 11 O 2 Cl IR : 1690 cm-1 (strong) 1 H NMR: 2.13 ppm (s, 3H); 2.82 ppm (t, 2H); 4.29 ppm (t, 1H); 4.71 ppm (t, 1H); 7.27-7.40 ppm (multiplet, 5H) 1 2 3 4 5 PPM 6 2 2 1 IR : 1734 cm-1 , (strong) 1 H NMR: 1.32 ppm (d, 6H); 2.53 ppm (t, 2H); 3.90 ppm (t, 2H); 4.93 ppm (septet, 1H); O Cl O Br Br O 2 4 6 8 10 PPM IR : 1705 cm-1 (strong) 1 H NMR: 0.90 ppm (t, 3H); 1.74 ppm (t, 2H); 4.06 ppm (t, 2H); 7.18 ppm (d, 2H); 7.88 ppm (d, 2H); 9.88 ppm (s, 1H) 1 2 2 2 2 3 7. C 10 H 12 O 2 H O O...
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This note was uploaded on 03/29/2008 for the course CEM 251 taught by Professor Rathke during the Spring '07 term at Michigan State University.

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NMR_problems_KEY - OH O 5. C 10 H 12 Br 2 O 2 3 4 5 6 7 8...

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