Proton NMR Flashcards
Protons that spike at 1ppm? (3)
CH3, CH2, CH
Protons that spike at 2 ppm? (3)
Allylic to CC double bond (C=C-CH), and OC double bond (O=C-CH3), also C attached to Arene.
What spikes at 3 ppm? (3)
Next to a hetero atom N, O, X
What spikes at 5 ppm? (1)
Vinylic to a CC double bond (C=CH)
What spikes at 7 ppm?
Arene
What spikes at 10 ppm? (1)
Carbonyl (O=CH)
What spikes at 11-12 ppm? (1)
Carboxilic Acid (O=COH)
At what ppm does CH3, CH2, and CH appear?
1ppm
At what ppm does allylic to CC double bonds protons appear? (C=C-CH)
2ppm
At what ppm does Allylic to OC double bonds appear? (O=C-CH3)
2ppm
At what ppm does a proton attached to a carbon Allylic to a carbon attached to an Arene appear?
2ppm
At what ppm do hetero protons to N,O,X appear.
3ppm
At what ppm do Vinylic protons appear? (C=CH)
5ppm
At what ppm do Arenes appear?
7ppm
At what ppm do Carbonyls appear? (O=CH)
10ppm