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Ch. 23 Nuclear Magnetic Resonance Spectroscopy!

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C8H10O2 OCH3

OCH3

CH3

CH3

OCH2CH3

CH2OH

OCH3

4000 3500 3000 2500 2000 1500 1000 500

IR

150 50100 0

CNMR decoupled

HNMR

078 6 5 4 3 2 1

CH2OH

OCH3

O

HO

Sample Problem 1

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HNMR

78 6 5 4 3 2 1 0

C6H12O2

4000 3500 3000 2500 2000 1500 1000 500

IRCH3

CH3

CH3

C COCH3

O

CH3 CH3

CH3

CCO

O

CH3

CH3CH2 CH3

CH3

CCO

O

H

Sample Problem 2

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