tert-butyl 4-{[4-(5-ethoxy-5-oxopentyl)piperidin-1-yl]sulfonyl}tetrahydro-2H-pyran-4-carboxylate 在
乙醚 作用下,
以
三氟乙酸 为溶剂,
反应 64.0h,
以the desired 4-{[4-(5-ethoxy-5-oxopentyl)piperidin-1-yl]sulfonyl}tetrahydro-2H-pyran-4-carboxylic acid (9.30 g, 23.0 mmol) obtained as a white solid的产率得到4-{[4-(5-ethoxy-5-oxopentyl)piperidin-1-yl]sulfonyl}tetrahydro-2H-pyran-4-carboxylic acid