反应详情

Hydrochloric acid (10 mL, 4 M in 1.4 dioxane) was added to tert-butyl 1H-indazol-6-ylacetate (Preparation 181, 1.00 g, 4.3 mmol) in 1,4 dioxane (5 mL) at 0° C. and the mixture was stirred at room temperature for 16 hours. The mixture was evaporated in vacuo and the residue was triturated with dry ether to afford the title compound as a white solid in 100% yield, 800 mg.

1. customThe mixture was evaporated in vacuo
2. customthe residue was triturated with dry ether