Water → 2-(4-Fluorophenyl)-1-(1,2,3,4-tetrahydro-2,8-dimethylpyrido[4,3-b]indol-5-yl)propan-2-ol

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A mixture of compound 2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole (2.6 g, 13.1 mmol, 1 equiv.) and NaH (55%, 750 mg, 17.2 mmol, 1.3 equiv.) in 60 ml of THF was heated to 120 deg C. for 1 h. It was then cooled to RT and compound 2-(4-fluorophenyl)-2-methyloxirane (4 g, 26 mmol, 2 equiv.) in 25 ml of DMF was added dropwise for 5 mins at RT followed by heating at 120 deg C. for 2 h. It was cooled to RT and 10 ml of water was added followed by dilution with 800 ml of ethyl acetate, which was first washed with water (150 ml×3) and then brine, dried over sodium sulphate and concentrated under vacuum. Column purified over 230-400 Silica gel (flash) using 15% methanol in ethyl acetate as eluent. Yield: 3 g (66%).

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