反应详情

To a flask containing 3 (4.67 g, 11.6 mmol) was added a solution of CH2Cl2 (27 mL), water (0.3 mL), and TFA (3.0 mL, 38.9 mmol). The solution was stirred at RT for 3 h before concentrating under reduced pressure to reveal impure 4. MS: APCI (AP+): 160.1 (M)+.

1. concentrationbefore concentrating under reduced pressure