反应详情

The Compound 27 (360 mg. 0.87 mmol)was treated with methanol-hydrogen chloride (ca 20 ml) and the solvent was evaporated in vacuo to give crude product as a white solid. The crude product was recrystallized from ethanol-diethyl ether to give Compound 28 (370 mg, 87%) as a white solid.

1. customthe solvent was evaporated in vacuo
2. customto give crude product as a white solid
3. customThe crude product was recrystallized from ethanol-diethyl ether