<1,1-(2)H2>-(+/-)-trans-N-Methyl-1,2,3,4-tetrahydro-4-methyl-7,8-(methylenedioxy)-3-<2-<2'-(1,3-dioxolan-1-yl)ethyl>-4,5-(methylenedioxy)phenyl>isoquinoline                                                                                                                                                              在
                                                                                                                                                                                 
盐酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以82%的产率得到<8,8-(2)H2>-(+/-)-trans-N-Methyl-6-hydroxy-13-methyl-2,3-(methylenedioxy)-9,10-(methylenedioxy)tetrahydroprotoberberinium chloride