2010•Dyestuffs and colorationRequires access

A Novel Synthesis Process of p-Diethylaminobenzaldehyde

Wei Min Qi

Abstract

POCl3 was replaced by BTC,then p-diethylaminobenzaldehyde was synthesized from BTC and N,N-diethylbenzeneamine by formylation reaction in benzene solvent.The yield was above 90% and the purity was more than 98%.Different influence factors were studied and a suitable process was determined.It was(mole rate)N,N-diethylbenzeneamine∶DMF∶BTC=1∶1.1∶0.45,reaction temperature about 80℃,reaction time 3 hours.

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Key concepts: Yield (engineering), Formylation, Benzene, Chemistry, Solvent, Process (computing), Medicinal chemistry, Nuclear chemistry