反应详情

Compound 4 (89 mg, 0.25 mmol) was treated with hydrogen chloride-methanol (5 ml). After the solvent was evaporated in vacuo, the residue (pale yellow solid) was recrystallized from ethanol-diethyl ether to give Compound 5 (91 mg, 85%) as a white solid.

1. customAfter the solvent was evaporated in vacuo
2. customthe residue (pale yellow solid) was recrystallized from ethanol-diethyl ether