Benzaldehyde → HCID 54199952, compound

Participants

Reaction Steps

A four neck flask (1 liter) equipped with a thermometer, a reflux condenser and a stirrer was charged with 111 g (0.5 mol) of 1-naphthalenesulfonohydrazide and 700 ml of methanol, and 63.6 g (0.6 mol) of benzaldehyde was dropwise added thereto in one hour while stirring at room temperature and heated under reflux for about 5 hours. The reaction liquid was cooled down to 20° C. or lower, and then crystal was filtered off and dried under reduced pressure, whereby white crystal was obtained.

Provenance & Evidence