potassium fluoride in dimethyl sulfoxide T=80°C; 24 h;

potassium carbonate in N,N-dimethyl-formamide T=50 - 60°C; 93 h;

1: 62 percent 2: 83 percent / KF / dimethylsulfoxide / 24 h / 80 °C View Scheme

KNO2; potassium carbonate in dimethyl sulfoxide T=80°C; 24 h; reaction of 4-nitrophthalonitrile with Kf, KNO2, NaNO2, K2CO3 and Na2CO3 in DMSO or DMF at elevated temperature, effect of reaction conditions on the product ratio; Product distribution;