反应详情

NaH (60% dispersion in mineral oil, 63 mg, 3.00 equiv) was treated with trans-4-(dimethylamino)cyclohexan-1-ol (104 mg, 0.73 mmol, 1.40 equiv) in distilled tetrahydrofuran (8 mL) at room temperature under nitrogen. After stirring for min, (12S)-12-[2-[(tert-butyldimethylsilyl)oxy]ethyl]-3-chloro-8-thia-4,6-diazatricyclo[7.4.0.0[2,7]]trideca-1(9),2(7),3,5-tetraene (200 mg, 0.52 mmol, 1.00 equiv) was added and the resulting solution was stirred overnight at room temperature for 8 h. The reaction was then quenched with saturated aqueous NH4Cl and extracted with 3×50 mL of ethyl acetate. The organic layers were combined, washed with brine, dried over anhydrous sodium sulfate and concentrated under vacuum. The residue was applied onto a silica gel column with dichloromethane/methanol (4:1) to afford 4-[[(12S)-12-[2-[(tert-butyldimethylsilyl)oxy]ethyl]-8-thia-4,6-diazatricyclo[7.4.0.0[2,7]]trideca-1(9),2(7),3,5-tetraen-3-yl]oxy]-N,N-dimethylcyclohexan-1-amine (110 mg, 43%) as a light yellow solid. MS (ES): m/z 490 (M+H)+.

1. additionwas added
2. customThe reaction was then quenched with saturated aqueous NH4Cl
3. extractionextracted with 3×50 mL of ethyl acetate
4. washwashed with brine
5. dry with materialdried over anhydrous sodium sulfate
6. concentrationconcentrated under vacuum