in quinoline under exclusion of water; mixt. of phthalonitrile, anhyd. InCl3 and distd. deoxygenated quinoline refluxed for 1 h; cooled to ca. 273 K; filtered; washed with toluene and MeOH; dried at 383 K; elem. anal.;

in neat (no solvent) refluxing (1 h), cooling (0°C); solid washed (benzene, CCl4, acetone), dried (vac., 110°C); elem. anal.;