Pyridine → p-Iodobenzoic acid phenylhydrazide

Participants

Reaction Conditions

Reaction Steps

A solution of 44.7 g. (0.168 mole) of p-iodobenzoyl chloride in 100 ml. of dioxane was added to 18.2 g. (0.168 mole) of phenylhydrazine dissolved in 250 ml. of pyridine at 5° to 15° C,. The resulting suspension was stirred at about 25° C. for 3 days, poured into 2 liters of water, the solids were filtered and washed with water, dilute aqueous hydrochloric acid and then again with water. The product thus obtained was crystallized from ethanol to give 40.0 g. (70.9% yield) of p-iodobenzoic acid phenylhydrazide having a melting point of 210° to 211° C.

Provenance & Evidence