The synthesis and biological activity of new disubstituted carbanion ylides from pyridazine

Continuing the investigations in view obtaining new carbon-nitrogen stable dissiniu-ilydes, were obtained new 3-phenyle-pyridaziniu-ylides carbanion disubstituted. The antimicrobial and antifungus action of the products VIa, VIb, VIIa, VIIb and VIIc also studied.