Arene 1/arene 2

Fc:arene 1:arene 2:AlCl₃

Solvent

Temperature/˚C

Yield^a/%

Toluene/anisole

2:1:1:4

C₂H₄Cl₂

80

33.3

Toluene/o-dimethoxybenzene

2:1:1:4

C₂H₄Cl₂

80

37.8

Toluene/p-dimethoxybenzene

2:1:1:4

C₂H₄Cl₂

80

10.6