Triethylamine → HCID 71271075, compound

Participants

Reaction Steps

To a solution of 2-(4-bromo-2-fluorophenyl)-2-hydroxyacetamide (14.35 mmol) and triethylamine (43.1 mmol) in anhydrous acetonitrile (50.0 ml) was added neat methanesulfonyl chloride (20.81 mmol). The reaction stirred at room temperature for 18 hours then additional triethylamine (43.1 mmol) was added followed by solid 4-cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one hydrochloride (15.79 mmol) in one portion. The reaction was heated at 90° C. for 3 hours then cooled to room temperature, diluted with water (150 mL) and stirred for 1 hour. The solids were collected by filtration, rinsed with water, and then dried by air suction and then vacuum to afford the title compound (3.53 g, 55% yield) as a white solid. MS(ES)+ m/e 440.1, 442.3 [M+H]+.

Provenance & Evidence