在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                            20.0 ℃
                                                                                                                            、1.0 MPa
                                                                                条件下,
                                                                                                                                                    以99%的产率得到dimethyl (1S,4S,5R,6R,8R,11S,12R,14S,15R)-12,14-dihydroxy-6-[(1S,2S,4R,6R,8S,9R,11S)-2-hydroxy-4-methoxy-11-methyl-5,7,10-trioxatetracyclo[6.3.1.02,6.09,11]dodecan-9-yl]-6-methyl-7-oxo-4-phenylmethoxy-3,9-dioxatetracyclo[6.6.1.01,5.011,15]pentadecane-4,11-dicarboxylate