Salicylaldehyde → 7191-90-4

Participants

Reaction Steps

Under agitation, 73.3 g. of salicylaldehyde is added dropwise under ice cooling gradually to a solution of 6.4 g. of o-phenylenediamine in 225 ml. of methanol and 0.6 ml. of piperidine. The mixture is allowed to stand for one hour; the thus-separated precipitate is vacuum-filtered, washed twice with ice-cold methanol, and 112 g. of N-(2-hydroxybenzal)-o-phenylenediamine is obtained as a crude product.

Provenance & Evidence