HCID 90308803, compound → HCID 90308939, compound

Participants

Reaction Steps

10% Palladium on carbon (1 g) was added to a solution of 2-(tert-butyl)-6-nitro-2H-indazole obtained in the above-described Step (1.1 g) in ethyl acetate (12 mL), and the reaction solution was stirred under hydrogen atmosphere at room temperature for 4 hours. The insolubles were filtrated, and the solvent was evaporated under vacuum. Thereafter, the resultant residue was purified by column chromatography on silica gel (developing solvent:hexane/ethyl acetate) to obtain 2-(tert-butyl)-2H-indazol-6-amine as a white solid.

Provenance & Evidence