PS6_soln - H H Deshielded due to magnetic anisotropy H H O...

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Unformatted text preview: H H Deshielded due to magnetic anisotropy H H O O H H H H H H Deshielded due to electonegativity of the oxygen 1 1 4 4 6 Spins that are aligned with the NMR's magnetic field increase the local magnetic field for the affected proton. Likewise, the spins that are opposite the NMR's magnetic field decrease the local field. With four protons, the possible combinations are as listed above. IR data indicates no alcohol or carbonyl, so it must be an ether. O 3.3 ppm CH3 H3C H O C C H2 1.1 ppm H C 3 1.2 ppm 3.45 ppm 1.5 ppm 0.9 ppm H3C O H2 C C H2 O C H2 CH3 1.1 ppm 3.4 ppm 3.3 ppm IR data indicates no alcohol or carbonyl, so it must be an ether. IR data indicates no alcohol or carbonyl, so it must be an ether. 3.15 ppm 1.7 ppm H2 O CH3 H3C H C O C 3.3 ppm 0.9 ppm H3C IR data indicates that the compound is an alcohol. HO 1.4 ppm 3.6 ppm H2 3.3 ppm HO H C CH3 0.8 ppm C CH3 1.1 ppm Cl Cl C C H2 CH3 1.2 ppm Cl Cl Cl Cl C H2 3.7 ppm 2.5 ppm C9H12O H O H H H H2 C H 2.7 ppm C H2 O CH3 3.2 ppm 3.7 ppm 7.1 ppm O O O 7.58 ppm 6.47 ppm HC HC O C H O O CH2 H3C 7.11 ppm 4.2 ppm 1.72 ppm CH2 1.01 ppm HO N OH H3 2.99 ppm C H CH3 1.03 ppm C H2 C N HO C CH2 2.62 ppm H2 H2C OH 3.6 ppm 3.17 ppm ...
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PS6_soln - H H Deshielded due to magnetic anisotropy H H O...

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