Hydrochloric Acid → HCID 23090950, compound

Participants

Reaction Steps

To a solution of phenylmagnesium bromide (2 mol/l THF solution, 1.6 ml) in toluene (7 ml) was added dropwise a solution of N-methoxy-N-methyl-4-{4-[1-(1-pyrrolidinyl)ethyl]phenyl}butanamide (200 mg, 0.66 mmol) obtained in Reference Example 89 in toluene (3 ml) under a nitrogen atmosphere under ice-cooling. After stirring at room temperature for 1 hr, the reaction solution was poured into water (40 ml), and extracted with ethyl acetate (40 ml×2). The extract was washed successively with 10% sodium hydrogencarbonate solution and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by NH-silica gel column chromatography (developing solvent; hexane:ethyl acetate=10:1) to give a colorless oil. The oil was dissolved in ethyl acetate (10 ml), and 4N-hydrochloric acid (ethyl acetate solution; 0.2 ml) was added dropwise under ice-cooling. The mixture was stirred for 5 min., and the solvent was evaporated under reduced pressure. The residue was powderized with isopropyl ether and hexane, and washed with hexane to give the title compound.

Provenance & Evidence