Ethanol → HCID 135817470, compound

Participants

Reaction Steps

1.15 g of 2-(6-hydroxy-m-tolyl)-6-methyl-4H-[1,3]benzoxazin-4-one in [CAS-Reg.-No.:24798-62-7] and 0.6 g of 4-hydrazinobenzoic acid are boiled under reflux for 2 h in 15 ml of ethanol. The crystals precipitating on cooling are crystallized from isopropanol. After drying, 4-[3,5-bis(2-hydroxy-5-methylphenyl)-[1,2,4]triazol-1-yl]benzoic acid remains as colorless crystals of m.p. 268-269-269° C.

Provenance & Evidence