|
|
|
|
| Chemical
Shift Trends |
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| • | For carbon, ~ 220 ppm: |
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|
|
|
| Aromatics, |
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| conjugated alkenes |
||
|
|
|
| C=O in |
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| ketones |
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|
|
|
| Aliphatic CH3, |
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| CH2, CH |
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| Olefins |
| ppm |
| 210 |
| 150 |
| 100 |
| 80 |
| 50 |
|
|
|
| 0 |
||
| TMS |
||
|
|
|
| C=O of Acids, |
||
| aldehydes, esters |
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|
|
|
| Carbons adjacent to |
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| alcohols, ketones |
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