反应详情

温度

140 °C

A mixture of ethyl 6-(benzenesulphonylmethyl)-3-bromo-2-methoxybenzoate (Intermediate 61, 0.13 g), furan-3-yl boronic acid (0.036 g), palladium chloride dppf adduct with DCM (0.026 g) and cesium carbonate (0.3 g) in THF (3.5 ml) and water (0.5 ml) was sealed in a microwave vial and degassed. The mixture was then heated in the microwave at 140° C. for 10 minutes. After cooling, the mixture was poured into water and extracted with ethyl acetate. The organic phase was dried (MgSO4) and filtered. The filtrate was evaporated to dryness and the residue was purified by chromatography on silica, eluting with a mixture of ethyl acetate and cyclohexane with a gradient of 0-60% to give ethyl 6-(benzenesulphonylmethyl)-3-(furan-3-yl)-2-methoxy-benzoate (0.08 g) as a colourless gum.

1. customwas sealed in a microwave vial and
2. customdegassed
3. temperatureAfter cooling
4. additionthe mixture was poured into water
5. extractionextracted with ethyl acetate
6. dry with materialThe organic phase was dried (MgSO4)
7. filtrationfiltered
8. customThe filtrate was evaporated to dryness
9. customthe residue was purified by chromatography on silica
10. washeluting with a mixture of ethyl acetate and cyclohexane with a gradient of 0-60%