HCID 53681348, compound → HCID 13656745, compound

Participants

Reaction Steps

A solution of 2.6 g of 4,5-dihydro-6-[2-[4-(1H-imidazol-1-yl)phenyl]ethenyl]-3(2H)-pyridazinone in 100 ml of 2-methoxyethanol containing 0.5 g of 10% Pd/C is shaken under hydrogen atmosphere for 13 hours. The catalyst is filtered, the filtrate is evaporated to dryness, and the residue is crystallized from ethanol to give 2 g of the above product, mp 195°-196° C.

Provenance & Evidence