Ammonium Hydroxide → HCID 21539659, compound

Participants

Reaction Steps

Twenty grams of 2,4-pentanedione and 17.5 ml. of ammonium hydroxide are added to 16.4 g. of methyl p-formylbenzoate in 120 ml. of ethanol and the resulting mixture is heated at reflux for five hours, then poured onto ice. The precipitated solid is filtered off and dried to give 3,5-diacetyl-4-(4-carbomethoxyphenyl)-1,4-dihydro-2,6-dimethylpyridine.

Provenance & Evidence