Hydrochloric Acid → HCID 131730979, compound

Participants

Reaction Conditions

Reaction Steps

30 mg of 4-(benzylamino)-6-({4-[bis(methylsulfonyl)amino]phenyl}amino)pyridine-3-carboxyamide (the compound of Example 300) was dissolved in 3 mL of methanol, to which 1 mL of 4 mol/L sodium hydroxide in water was added at room temperature, and stirred at 50° C. for 10 minutes. Under ice cooling, 2 mol/L hydrochloric acid in water was added to acidify the solution, extracted with chloroform, the extract was washed with water, and dried on anhydrous sodium sulfate. The solvent was evaporated to obtain 25 mg (99%) of the title compound as a slight yellow crystalline powder.

Provenance & Evidence