[(Aminocarbonyl)hydrazono](phenyl)acetaldehyde → 6-Phenyl-1,2,4-triazin-3(2H)-one

Participants

Reaction Steps

[(Aminocarbonyl)hydrazono](phenyl)acetaldehyde (3.00 g, 0.0157 mol) in acetic acid (15.0 mL) was heated at 130° C. for 6 h. After cooling, the solvent was removed under reduced pressure. The residue was triturated with ether, filtered, washed with ether, and dried under high vacuum to give the desired product (2.45 g, 90.1%). Analytical LCMS: (M+H)+=174.0.

Provenance & Evidence