Organic Chemistry Semester 1 LABORATORY MANUAL - Moravian ...

Part V. Techniques and Theory Appendix E13 Nuclear Magnetic Resonance
6. Application 2
How do the data in Tables 7 & 8 either support or conflict with your conclusions from
Inventions 1 & 2 (E10 & E12) Explain.
Table 7: Aromatic Compound Chemical Shifts:
Compounds
13 C ν (δ) 1 Η ν (δ)
129 7.2
CH 3 21, 126, 128, 129, 138 2.4, 7.2
CH 2
CH 3
16, 29, 126, 127, 128,
140
1.3, 2.7, 7.2
CH 3
C H 24, 33, 126, 127, 128,
CH 3
149
1.3, 2.9, 7.2
CH 3
C CH 3 31, 35, 125, 126, 128,
CH 3
147
1.3, 7.2
Table 8: Carbonyl Compound Chemical Shifts:
Compounds
13 C ν (δ) 1 Η ν (δ)
O
CH 3 C
27, 200 2.2, 9.8
H
O
CH 3 CH 2 C
6, 37, 200 1.1, 2.4, 9.7
H
O
CH 3
C
CH3
O
27, 206 2.1
CH 3
CH 2
C
CH3
7, 24, 36, 207 1.1, 2.1, 2.5
O
CH 3 C
C
CH 3 H
O
CH3
16, 22, 45, 210 1.1,2.1,2.6
H C O CH 3
52, 161 3.8, 8.1