Hydrogen chloride-ethyl acetate → HCID 131730986, compound

Participants

Reaction Steps

25.9 mg of 4-(benzylamino)-6-[(4-{[1-(tert-butoxycarbonyl)piperidin-3-ylcarbonyl]amino}phenyl)amino]pyridine-3-carboxyamide (the compound of Example 308) was dissolved in 1 mL of methanol, to which 1 mL of 4 mol/L hydrochloric acid-ethyl acetate was added, and stirred at room temperature for 30 minutes. The solvent was evaporated, ether was added to the residue, the deposited crystals were filtered to obtain 20.7 mg (91%) of the title compound as a light brown crystalline powder.

Provenance & Evidence