Water → 2-[(Ethyl-pyridin-4-ylmethyl-amino)-methyl]-1-aza-bicyclo[2.2.2]octan-3-one

関与物質

反応条件

反応手順

To a stirred solution of 2-methylene-3-quinuclidinone hydrochloride (0.5 g, 0.0036 mol) in water (3 ml) N-(4-pyridylmethyl)ethylamine (0.49 g, 0.0036 mol), triethylamine (1.09 g, 0.0108 mol) and tetra-n-butyl ammonium bromide (116 mg, 0.00036 mol) were added and the reaction mixture were allowed to stir at 80° C. for 18 h. The completion of reaction was monitored by tlc. The reaction mixture was quenched with ice-cold water (10 ml), extracted with dichloromethane (2×50 ml), organic layers were washed with 10% NaHCO3 solution, brine and dried over sodium sulphate, filtered and concentrated to get the crude product which was purified as yellow solids (200 mg, 22%) by flash column chromatography on neutral silica gel using chloroform as eluent.

情報源と証拠