反应详情

To a solution of N-((5-bromo-4-chloropyridin-3-yl)(cyclopropyl)methyl)-N-methylmethanesulfonamide (1.03 g, 2.9 mmol) and 2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (2.29 g, 8.7 mmol) in DMF (20 mL) was added PdCl2(dppf).CH2Cl2 (118 mg, 0.145 mmol) and 2M Na2CO3 in water (2.9 mL, 5.8 mmol), and the mixture was heated to 85° C. for 7 h. The mixture was cooled to room temperature, poured into water (100 mL), extracted with EtOAc (200 mL*3), washed with water (20 mL*3) and dried over Na2SO4. The mixture was purified by silica gel chromatography eluting with a 0-50% EtOAc-heptane gradient to give N-((4-chloro-5-(3-chloro-4-cyanophenyl)pyridin-3-yl)(cyclopropyl)methyl)-N-methylmethanesulfonamide. MS (ESI): m/z 410.1, 412.1 (M+H)+.

1. extractionextracted with EtOAc (200 mL*3)
2. washwashed with water (20 mL*3)
3. dry with materialdried over Na2SO4
4. customThe mixture was purified by silica gel chromatography
5. washeluting with a 0-50% EtOAc-heptane gradient