in N,N-dimethyl-formamide; pentane P=40 Torr; 15 h;

in acetonitrile 0.0833333 h;

potassium cyanide in N,N-dimethyl-formamide 22 h; Ambient temperaturefurther reagent: NaOMe; Yield given. Yields of byproduct given. Title compound not separated from byproducts;