反应详情

温度

80 °C

At room temperature, 0.6790 g (1.96 mmols) of the 3-(diethoxyphosphoryl)-2-iodothiophene obtained in Example 12(1) and 0.9982 g (1.96 mmols) of the 2-(tributylstannyl)-3-(diethoxyphosphoryl)thiophene obtained in Example 12(2) were dissolved in DMF, to which 0.2326 g (2.35 mmols) of commercially available copper(I) chloride was added at room temperature. Thereafter, the reaction mixture was heated to 80° C. and stirred for 10 hours. After the reaction, the reaction mixture was cooled down to room temperature, to which a 10% hydrochloric acid aqueous solution, followed by extraction of the resulting product with ethyl acetate. The organic phase was washed with a saturated saline solution and dried over anhydrous sodium sulfate. The solvent was removed by distilling off under reduced pressure, and the resulting crude product was purified with a silica gel column (gradiated from ethyl acetate:hexane=1:1 with acetone) to obtain the specified substance in the form of white crystals at a yield of 0.6101 g (yield: 71%).

1. additionwas added at room temperature
2. customAfter the reaction
3. extractionfollowed by extraction of the resulting product with ethyl acetate
4. washThe organic phase was washed with a saturated saline solution
5. dry with materialdried over anhydrous sodium sulfate
6. customThe solvent was removed
7. distillationby distilling off under reduced pressure
8. customthe resulting crude product was purified with a silica gel column (gradiated from ethyl acetate:hexane=1:1 with acetone)
9. customto obtain the specified substance in the form of white crystals at a yield of 0.6101 g (yield: 71%)