sodium methylate in acetonitrile Sonication; Cd added to a CH3CN soln. containing an equivalent quantity of phthalonitrile and 5 drops of 30percent soln of CH3ONa in methanol; flask put into an ultrasonic cleaner and maintained at 50°C for 24-72 h; blue product separated from unreacted metal by shaking and decanting with the solvent, washed with ethanol in Soxhlet equipment and dried in air; purity of 95-97percent; elem. anal.;

1,8-diazabicyclo{5.4.0}undec-7-ene in cellosolve=2-ethoxyethanol a mixt. of the Cu salt, phthalonitrile, and the base (molar ratio 3:10:10) was refluxed in ethyl-cellosolve for 6 h;; the ppt. was filtered off, washed with water and ethanol, and purified by extrn. with CHCl3; IR, UV, XRD, and elem.anal.;;

in further solvent(s) at 220°C in Soltrol 220;