Chem 353-2

Chem 353 2

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Unformatted text preview: Fischer Esterification 13 12 11 10 9 8 7 6 5 4 3 2 1 -0 -1 ppm 220 200 180 160 140 120 100 80 60 40 20 0 ppm Fischer Esterification 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm 13 12 11 10 9 8 7 6 5 4 3 2 1 -0 -1 ppm 220 200 180 160 140 120 100 80 60 40 20 0 ppm Fischer Esterification 4.0 3.5 3.0 2.5 2.0 1.5 1.0 ppm 13 (ppm) 0.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 12 11 10 9 8 7 6 5 4 3 2 1 -0 -1 ppm ppm 65 60 55 50 45 40 (ppm) 35 30 25 20 15 220 200 180 160 140 120 100 80 60 40 20 0 ppm Reduction of a Ketone 2.4 2.3 2.2 2.1 ppm 2.0 1.9 1.8 1.7 7 6 5 4 3 2 1 0 ppm (ppm) 1.0 1.4 1.8 2.2 2.6 3.0 3.4 46 44 42 40 38 36 34 32 30 28 26 24 22 (ppm) 220 200 180 160 140 120 100 80 60 40 20 0 ppm Reference molecule Reduction of a Ketone 7 6 5 4 3 2 1 0 ppm (ppm) 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 80 70 60 50 (ppm) 40 30 20 220 200 180 160 140 120 100 80 60 40 20 0 ppm Steam Distillation 4854.99 4847.66 3746.81 3730.70 7.60 7.56 7.52 7.48 ppm 7.44 7.40 Calculate the trans coupling constant, Jtrans = ?. 9.5 9.0 8.5 8.0 7.5 7.0 3372.37 3364.56 3356.26 3348.45 ppm (ppm) 6.8 7.0 7.2 7.4 7.6 7.8 8.0 8.2 8.4 134 133 132 131 130 129 128 ppm 160 155 150 145 140 (ppm) 135 130 125 220 200 180 160 140 120 100 80 60 40 20 0 ppm Photoisomerization (trans) 8.2 8.1 8.0 7.9 7.8 ppm 7.7 7.6 7.5 7.4 7.3 13 12 11 10 9 8 7 6 5 4 3 2 1 -0 -1 ppm (ppm) 7.4 7.6 7.8 8.0 8.2 8.4 8.6 8.8 9.0 139 137 135 133 (ppm) 131 129 127 220 200 180 160 140 120 100 80 60 40 20 0 ppm Photoisomerization (cis) 8.1 8.0 7.9 7.8 7.7 7.6 7.5 7.4 7.3 7.2 7.1 7.0 ppm 13 12 11 10 9 8 7 6 (ppm) 7.0 7.2 7.4 7.6 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.2 139 5 4 3 2 1 -0 -1 ppm 137 135 136 135 134 133 132 131 130 129 ppm 133 131 (ppm) 129 127 125 220 200 180 160 140 120 100 80 60 40 20 0 ppm HETCOR (1H-13C/directly bonded) HMBC (1H-13C/3 bonds apart) (ppm) 40 60 80 100 120 140 160 180 200 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 (ppm) Caffeine 13 12 11 10 9 8 7 6 5 4 3 2 1 ppm (ppm) 3.0 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 COSY (1H-1H/3-4 bonds apart) 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 (ppm) 220 200 180 160 140 120 100 80 60 40 ppm 20 Cannizaro Reaction 11 10...
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This note was uploaded on 04/06/2011 for the course CHEM 353 taught by Professor Bronson during the Winter '11 term at BYU.

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