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Ochem 140B NMR Shift
Term | Definition |
---|---|
Primary Alkyl, RCH3 | 0.8-1.2 ppm |
Secondary Alkyl, RCH2R | 1.2-1.5 ppm |
3 Alkyl, R3CH | 1.4-1.8 ppm |
Allylic, R2C=C-CH3 (& another R group bonded to the main C) | 1.6-1.9 ppm |
Ketone, RC=O (CH3 bonded to main C) | 2.1-2.6 ppm |
Benzylic, ArCH3 | 2.2-2.5 ppm |
Acetylenic, RC=CH | 2.5-3.1 ppm |
Ether, ROCH2R | 3.3-3.9 ppm |
Alcohol, HOCH2R | 3.3-4.0 ppm |
Alkyl Bromide, RCH2Br | 3.4-3.6 ppm |
Alkyl Chloride, RCH2Cl | 3.6-3.8 ppm |
Vinylic, R2C-CH2 | 4.6-5.0 ppm |
Aromatic, ArH | 6.0-8.5 ppm |
Aldehyde, RC=O (H bonded to the C) | 9.5-10.5 ppm |
Alcohol Hydroxyl, ROH | 0.5-6.0 ppm |
Amino, R-NH2 | 1.0-5.0 ppm |
Phenolic, ArOH | 4.5-7.7 ppm |
Carboxylic, RC=O (OH bonded to the C) | 10-13 ppm |