Sodium Hydroxide → HCID 21107248, compound

Participants

Reaction Steps

A solution of 8-[(cyclopropyl-isopropyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-carboxylic acid ethyl ester (Intermediate 38, 0.09 g, 0.26 mmol) in ethanol (3 mL) and tetrahydrofuran (1 mL) was treated with a 1M solution of sodium hydroxide (3 mL, 3 mmol) and the resulting reaction mixture was stirred at ambient temperature overnight. The volatiles were evaporated in vacuo, the residue was neutralized with dilute hydrochloric acid and extracted with ethyl acetate. The organic extract was washed with water and brine and dried over anhydrous sodium sulfate, filtered and evaporated to afford the title compound (0.079 g, 96%). It was used as such for the next step.

Provenance & Evidence