4'-benzyloxycarbonyl-4'-demethylepipodophyllotoxin 4-[N-[3-(N',N'-dimethylaminopropyl)]-N-methyl]carbamate                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以70%的产率得到(3-Dimethylamino-propyl)-methyl-carbamic acid (5S,5aR,8aR,9R)-9-(4-hydroxy-3,5-dimethoxy-phenyl)-8-oxo-5,5a,6,8,8a,9-hexahydro-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl ester