Water → 4-Chloro-3-iodo-1-trityl-1h-pyrazolo[4,3-c]pyridine

Participants

Reaction Steps

To a solution of 4-chloro-3-iodo-1H-pyrazolo[4,3-c]pyridine (1.0 g) obtained in Step C of Example 305 in DMF (10 mL) was added sodium hydride (60%, 130 mg) under ice-cooling, and the mixture was stirred at room temperature for 1 hr. To the reaction mixture was added trityl chloride (1.1 g) at room temperature, and the mixture was stirred for 15 hr. To the reaction mixture was added water, and the resulting solid was collected by filtration, and dried to give the title compound (1.7 g).

Provenance & Evidence