HCID 178454401, compound → HCID 178479169, compound

Participants

Reaction Steps

4-(2-Chlorophenyl)-5-cyano-4,7-dihydro-6-(1-t-butoxy-carbonylpiperidin-4-yl)-2H-pyrazolo[3,4-b]pyridine (2.0 g) was added to 4N-HCl dioxane solution (20 mL) at 0° C. and the mixture was stirred for an hour. The solvent was evaporated under reduced pressure and the residue was washed by ethanol, and the precipitated crystals were collected by filtration to give the title compound (1.2 g) as yellow crystals.

Provenance & Evidence