反应详情

To a solution of 1-phenyl-5-[(trimethylsilyl)ethynyl]-1H-pyrazole (1.20 g) in methanol (20.0 mL) was added potassium carbonate (0.173 g), and the mixture was stirred at room temperature for 3 hr. The reaction mixture was filtered, and the filtrate was concentrated to give the title compound (0.72 g).

1. filtrationThe reaction mixture was filtered
2. concentrationthe filtrate was concentrated