3-[2-(cis-6-Methoxy-2,3,3a,4,5,9b-hexahydro-[1H]-benz[e]isoindol-1-yl)ethyl]-7-carbomethoxy-quinazoline-2,4(1H,3H)-dione hydrochloride 在
LiOH 作用下,
以
四氢呋喃 、
乙醇 为溶剂,
以83%的产率得到3-[2-((3aR,9bR)cis-6-Methoxy-2,3,3a,4,5,9b-hexahydro-[1H]-benz[e]isoindol-1-yl)ethyl]-7-carboxyquinazoline-2,4(1H,3H)-dione hydrochloride