Entry

Substrate

Chemical shift (ppm)

Relaxation time (s)

Substrate alone

With FeCl₃

1

1a

a (δ 7.25 ppm)

b (δ 6.94 ppm)

5.19

5.38

4.02

4.13

2

cyclohexane

δ 1.42 ppm

5.19

5.32

3

2a

a (δ 8.30 ppm)

b (δ 7.80 ppm)

c (δ 7.48 ppm)

d (δ 7.44 ppm)

e (δ 7.36 ppm)

6.93

4.96

4.55

5.45

3.35

5.00

4.28

3.88

4.97

3.61

4

decalin

a (δ 1.55 ppm)

b (δ 1.23 ppm)

c (δ 0.90 ppm)

2.05

1.78

2.44

2.71

2.51

2.55