反应详情

To a solution of 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)piperidine hydrochloride (315 mg, 1.0 mmol) and triethylamine (303 mg, 3.0 mmol) in DCM (15 mL) was added methanesulfonyl chloride (230 mg, 2.0 mmol) dropwise, the mixture was stirred at room temperature for 1 hour. Then the mixture was extracted with EA, wash with brine, dried and purified by flash column chromatography, eluting with EA/MeOH, to give product as light yellow solid. MS (m/z): 356 (M+H)+.

1. extractionThen the mixture was extracted with EA
2. washwash with brine
3. customdried
4. custompurified by flash column chromatography
5. washeluting with EA/MeOH
6. customto give product as light yellow solid