反应详情

The product of Example 1B (˜60 mmol) and KSCN (5.83 g, 60 mmol) were mixed in anhydrous tetrahydrofuran (25 mL) and anhydrous acetone (40 mL) and stirred at room temperature for 2 hrs. The reaction was diluted with diethyl ether (100 mL), filtered through celite and solvents evaporated in vacuo to provide the title compound. 1H NMR (300 MHz, CDCl3) δ 3.95 (s, 3H), 6.95 (d, 1H), 7.52 (dd, 1H), 7.84 (d, 1H).

1. filtrationfiltered through celite and solvents
2. customevaporated in vacuo