(3S)-7-hydroxy-10-methoxy-9-propan-2-yloxy-3-[tri(propan-2-yl)silyloxymethyl]-3,4-dihydrobenzo[g]isochromen-1-one                                                                                                                                                              在
                                                                                                                                                                                 
bis(acetylacetonate)oxovanadium   、                                                                                                  
氧气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 15.0h,
                                                                                                                以68%的产率得到(3S)-7-hydroxy-6-[(3S)-7-hydroxy-10-methoxy-1-oxo-9-propan-2-yloxy-3-[tri(propan-2-yl)silyloxymethyl]-3,4-dihydrobenzo[g]isochromen-6-yl]-10-methoxy-9-propan-2-yloxy-3-[tri(propan-2-yl)silyloxymethyl]-3,4-dihydrobenzo[g]isochromen-1-one