反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
CONDITIONS
反应条件
- 温度
- 95 °C
PROCEDURE
实验过程
A mixture of 3-({(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-4-methyl-2-oxo-1,3-oxazolidin-3-yl}methyl)-5,6,7,8-tetrahydronaphthalen-2-yl trifluoromethanesulfonate (12.4 mg, 0.0204 mmol), (4-fluoro-5-isopropyl-2-methoxyphenyl)boronic acid (13.0 mg, 0.0614 mmol), and tetrakis(triphenylphosphine)palladium (0) (2.8 mg, 0.00246 mmol), sodium carbonate (18.2 mg, 0.172 mmol) in benzene (1.4 mL), EtOH (0.2 mL) and water (0.6 mL) was heated at 95° C. in a sealed tube overnight. The reaction mixture was cooled to room temperature and water (10 mL) was added. The mixture was extracted with EtOAc (3×20 mL) and the combined organic extracts were dried (Na2SO4) and concentrated in vacuo to give the crude product. This was purified by flash chromatography (Si, 12×160 mm, 0-20% EtOAc in hexanes gradient) and chiral HPLC (IA column, 20×250 mm, 3% i-PrOH in heptane) to afford (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-{[3-(4-fluoro-5-isopropyl-2-methoxyphenyl)-5,6,7,8-tetrahydronaphthalen-2-yl]methyl}-4-methyl-1,3-oxazolidin-2-one. Rf=0.49 (20% EtOAc/hexanes). LCMS calc.=624.2; found=624.2 (M+1)+. 1H NMR (600 MHz, CDCl3, 1:1 mixture of atropisomers): δ 7.83 (s, 1H); 7.67 (s, 1H); 7.65 (s, 1H); 7.17 (s, 0.5H); 7.06 (s, 0.5H); 7.01 (d, J=8.6 Hz, 0.5H); 6.98 (d, J=8.6 Hz, 0.5H); 6.94 (s, 0.5H); 6.91 (s, 0.5H); 6.65 (d, J=9.6 Hz, 0.5H); 6.63 (d, J=9.5 Hz, 0.5H); 5.52 (d, J=8.2 Hz, 0.5H); 5.23 (d, J=8.0 Hz, 0.5H); 4.85 (d, J=15.2 Hz, 0.5H); 4.79 (d, J=15.3 Hz, 0.5H); 3.95 (d, J=15.3 Hz, 0.5H); 3.77-3.71 (m, 4.5H); 3.22-3.14 (m, 1H); 2.84-2.77 (m, 4H); 1.86-1.80 (m, 4H); 1.27-1.21 (m, 4.5H); 1.15 (d, J=7.0 Hz, 1.5H); 0.50 (d, J=6.5 Hz, 1.5H); 0.28 (d, J=6.5 Hz, 1.5H).
WORKUP
后处理
- temperatureThe reaction mixture was cooled to room temperature
- extractionThe mixture was extracted with EtOAc (3×20 mL)
- dry with materialthe combined organic extracts were dried (Na2SO4)
- concentrationconcentrated in vacuo
- customto give the crude product
- customThis was purified by flash chromatography (Si, 12×160 mm, 0-20% EtOAc in hexanes gradient) and chiral HPLC (IA column, 20×250 mm, 3% i-PrOH in heptane)