Organic Chemistry 2 Exam 1

0-40 ppm Chemical shift

Sp3 C-C

40-100 ppm chemical shift

Sp3 C-X (X = electronegative atom)

80-100 ppm chemical shift

CC triple bond

100-150 ppm chemical shift

C=C, aromatic ring

150-200 ppm chemical shift

>200 ppm chemical shift

Chemical shifts

0.9 ppm chemical shift

Type of Proton

Methyl

1.3 ppm chemical shift

Type of Proton

Methylene

1.4 ppm chemical shift

Type of Proton

Methine

2.1 ppm chemical shift

Type of Proton

Methyl Ketone

2.5 ppm chemical shift

Type of Proton

Acetylenic

3-4 ppm chemical shift

Type of Proton

(X=halogen, O)

5-6 ppm chemical shift

Type of Proton

Vinyl

1.7 ppm chemical shift

Type of Proton

Allylic Hydrogen

7.2 ppm chemical shift

Type of Proton

Aromatic

2.3 ppm chemical shift

Type of Proton

Benzylic

9-10 ppm chemical shift

Type of Proton

Aldehyde

10-12 ppm chemical shift

Type of Proton

Acid

Variable ~2-5 ppm chemical shift

Type of Proton

Alcohol

Variable, ~4-7 ppm chemical shift

Type of Proton

Phenol

Variable, ~1.5-4

Amine

Chemical Shift of methyl H

4.3 ppm

Chemical Shift of methyl H

3.4 ppm

Chemical Shift of methyl H

3.0 ppm

Chemical Shift of methyl H

2.7 ppm

Chemical Shift of methyl H

2.2 ppm

Chemical Shift of methyl H

0.9 ppm

Chemical Shift of methyl H

0.0 ppm