<3R*-(E,3α,11bα)>-ethyl <3-(2-cyanoethyl)-1,3,4,6,7,11b-hexahydro-9,10-methylenedioxy-2H-benzoquinolizine-2-ylidene>acetate                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气   、                                                                                                  
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以89%的产率得到<2S*-(2α,3β,11bβ)>-ethyl <3-(2-cyanoethyl)-1,3,4,6,7,11b-hexahydro-9,10-methylenedioxy-2H-benzo
quinolizidine-2α-yl>acetate