Hydrochloric Acid → HCID 63362718, compound

Participants

Reaction Steps

To a solution of the crude product of 1-(2,4-dimethoxybenzyl)-6-oxopiperidine-3-carboxylic acid methyl ester (26.8 g) in methanol/tetrahydrofuran (1/1, 174 ml) was added a 1M aqueous solution of sodium hydroxide (174 ml) at room temperature, and the mixture was stirred overnight. To this reaction solution was added a 1M aqueous solution of hydrochloric acid (174 ml), the mixture was stirred. The precipitated solid was collected by filtration, washed with water, and dried under reduced pressure to give the titled compound (15.1 g).

Provenance & Evidence