in dichloromethane byproducts: 7,7'-bi[5,6,8,9-tetrathia-benzocycloheptenylidene]; inert atmosphere, addn. of soln. of C6H4(SCl)2 to soln. oF Ti complex at15°C (1 h); reduction of volume (vacuum), cooling (-78°C, 12 h), not isolated;

1,7-Bis(trimethylsilyl)-1,3,5,7-tetraaza-2,4,6-trithia-1,2,5,6-heptatetraene in dichloromethane T=20°C; 4.5 h;

in dichloromethane 48 h; Ambient temperature;