反应详情

温度

85 °C

A mixture of 6-Bromo-1H-isochromen-1-one (980 mg, 4.4 mmol), tributyl phosphonium tetrafluoroborate (25 mg, 0.087 mmol), palladium (II) acetate (9.8 mg, 0.044 mmol) was suspended in DMF (10 ml) then added bromo(1,3-dioxolan-2-ylmethyl)zinc (9.58 ml, 4.79 mmol) and purged with nitrogen. The reaction was heated to 85° C. for 10 hours and then stirred at RT overnight. Methyl tetrahydrofuran was added and the mixture was washed with brine. The organic layer was dried over MgSO4, filtered and evaporated to dryness. The residue was purified thru a 80 g ISCO Redi-sep column and eluted with 0-100% EtOAc/hexane to yield the title compound.

1. washthe mixture was washed with brine
2. dry with materialThe organic layer was dried over MgSO4
3. filtrationfiltered
4. customevaporated to dryness
5. customThe residue was purified thru a 80 g ISCO Redi-sep column
6. washeluted with 0-100% EtOAc/hexane