反应详情

温度

50 °C

A mixture of 147 mg (0.3 mmol) of 5-(pyridin-3-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-3-(trimethylstannyl)-1H-pyrazolo[3,4-c]pyridine, 123 mg, 0.33 mmol) of tert-butyl (1S,3R)-3-(6-bromopyridin-2-yloxy)cyclohexylcarbamate, 109 mg (0.72 mmol) of Cesium fluoride, 35 mg (0.03 mmol) of tetrakis(triphenylphosphine)palladium(0) and 11.4 mg (0.06 mmol) of copper(I) iodide in 2 ml of N,N-dimethylformamide was heated at 50° C. for 2 hours in a Stille coupling. The mixture was diluted with water and extracted with ethyl acetate. The organic extracts were washed with water, brine, dried over MgSO4 and concentrated. The residue was purified via silica gel chromatography using a gradient of ethyl acetate in heptane to afford 98 mg (53%) of tert-Butyl (1S,3R)-3-(6-(5-(pyridin-3-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazolo[3,4-c]pyridin-3-yl)pyridin-2-yloxy)cyclohexylcarbamate. ESI MS m/z 617.5 (M+1).

1. extractionextracted with ethyl acetate
2. washThe organic extracts were washed with water, brine
3. dry with materialdried over MgSO4
4. concentrationconcentrated
5. customThe residue was purified via silica gel chromatography