3,4-Dihydro 5-[2-hydroxy-3-(4-(tert-butoxycarbonylamino)-1-piperidyl)propoxy]carbostyril 、
盐酸 在
乙醚 作用下,
以
乙醇 、
异丙醚 为溶剂,
反应 24.0h,
以to give 1,1 g of 3,4-dihydro-5-[2-hydroxy-3-(4-(tert-butoxycarbonylamino)-1-piperidyl)propoxy]carbostyril hydrochloride, m.p. 195°-197° C. (dec.)的产率得到3,4-dihydro-5-[2-hydroxy-3-(4-(tert-butoxycarbonylamino)-1-piperidyl)propoxy]carbostyril hydrochloride