反应详情

A solution of aluminum chloride (0.279 g, 2.09 mmol) in anhydrous diethyl ether (20 mL) is added dropwise to a suspension of lithium aluminum hydride (0.238 g, 6.27 mmol) in anhydrous tetrahydrofuran (20 mL) at 0° C. and stirred for 0.5 hour. To this mixture is added dropwise a solution of [4-(2-chloro-3-methylphenyl)piperazine-1-yl]-(3,4,5-trimethoxyphenyl)methanone (2.12 g, 5.23 mmol) in anhydrous tetrahydrofuran (20 mL). The suspension is stirred for 2 hours at 0° C., followed by dropwise addition of 2N sodium hydroxide. The mixture is filtered through Celite and concentrated in vacuo. The resulting product is purified by MPLC on silica gel eluting with 40% ethyl acetate/hexane to give 1.74 g of the title compound as a white solid; mp 112-113° C.

1. stirringThe suspension is stirred for 2 hours at 0° C.
2. filtrationThe mixture is filtered through Celite
3. concentrationconcentrated in vacuo
4. customThe resulting product is purified by MPLC on silica gel eluting with 40% ethyl acetate/hexane