in neat (no solvent) C6F4(CN)2 (2.4 mmol) and Zn(CH3COO)2 (0.6 mmol) mixed, three times flushed with N2 and vac., sealed in glass ampoule under vac., heated for 1 h at 180-190°C; S. Hiller, D. Schlettwein, N. R. Armstrong, D. Woehrle, J. Mater. Chem. 8, 945 (1998); washed with acetone and with petrol ether, treated in Soxhlet apparatus with H2O, then with petrol ether, dried, purified by sublimation in vac.at 350°C;

1.5 h refluxing;

1.5 h refluxing;

in N,N-dimethyl-formamide other Radiation; to mixt. Zn(OAc)2*2H2O and phthalonitrile DMF was added and heated in microwave Discover CEM reactor to 200°C for 10 min in sealed tube; Soxhlet extraction with acetone, CH2Cl2, and MeCN followed by recrystn. from pyridine;

1: dimethyl sulfoxide View Scheme