HCID 178526284, compound → HCID 178516802, compound

Participants

Reaction Steps

88.5 g of 2-phenyl-4-hydroxy-1,2,3-triazole-1-oxide of formula I (R = phenyl) is stirred in 1000 ml of glacial acetic acid, with ice cooling, with 75 g of zinc dust. After completion of the reaction, the filtrate is filtered off and concentrated by evaporation to dryness. The residue is stirred into water, filtered off under suction, washed with water and again filtered off under suction.

Provenance & Evidence