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lec_8 - LEC EIGHT THE CHEMICAL SHIFT PART IV USING...

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LEC EIGHT THE CHEMICAL SHIFT PART IV USING & INTERPRETING COUPLING CONSTANTS PART I
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DON’T FORGET – DIAGNOSTIC Me SHIFTS (pp 78-81) 22.3 28.5 22.3 39.4 27.2 32.8 23.1 14.0 22.4 28.6 22.4 39.4 30.2 133.2 123.8 17.0 22.4 28.6 22.4 39.7 23.7 125.8 133.2 25.3 19.3 22.3 28.5 22.3 39.7 24.7 39.7 28.5 22.3 22.3 ChemNMR C-13 Estimation
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DON’T FORGET – DIAGNOSTIC Me SHIFTS (pp 78-81) N N N NH 21.4 27.3 21.4 38.1 14.7 79.4 74.5 1.5 21.5 27.4 21.5 34.9 13.0 117.7 33.2 22.4 28.6 22.4 39.4 30.2 133.2 123.8 17.0 22.0 25.9 22.0 41.0 48.9 117.7 22.0 28.3 22.0 35.8 25.6 163.7 37.5 22.3 28.2 22.3 36.8 29.1 52.0 33.2 ChemNMR C-13 Estimation 22.3 28.5 22.3 39.4 27.2 32.8 23.1 14.0
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UNSATURATED MOLECULES 1. Fungus Pyrenophra teres : morphogenic substance A [C 10 H 10 O 4 ] 1. 13 C/ 1 H NMR Data from 1980 (no 2D NMR possible then!) 192.8 S 166.5 S 145.7 D 134.5 D 133.4 D 128.6 D 66.1 D 60.8 D 54.6 D 16.3 Q 6.75 1H D = 17, 6 6.62 1H D = 12 6.12 1H DD = 17, 1.0 6.08 1H D = 12 5.55 1H DQ = 2, 7 3.78 1H DDD = 6, 4.5, 1.0
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