Peak Assignments for Codeine

 

13C (ppm) 

 

 1H (ppm)

 1  

146.38  

q  

 

 2  

142.23  

q

 

 3  

133.43  

CH  

5.71

 4  

131.13  

q

 

 5  

128.30  

CH  

5.29

 6  

127.30  

q

 

 7  

119.58  

CH  

6.57

 8  

113.03  

CH  

6.66

 9  

 91.39  

CH  

4.89

10  

 66.43  

CH  

4.18

11  

 58.92  

CH  

3.35

12  

 56.40  

CH3  

3.84

13  

 46.47  

CH2  

2.59, 2.40

14  

 43.12  

CH3  

2.44

15  

 42.99  

q

 

16  

 40.82  

CH  

2.67

17  

 35.85  

CH2  

2.06, 1.88

18  

 20.46  

CH2  

3.04, 2.30

  

  

OH

 2.99

The 1H spectrum can be viewed interactively, using the free Chime plugin, and the corresponding Hs are indicated on the structure.

Stereospecific assignments of the methylenes is possible from the NOESY spectrum.

Last updated: 01/22/2003

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