2-((5aS,6S,7S,8R,9R,9aS)-2,6-dibromo-7,8,9-trihydroxy-4-methoxy-6,7,8,9-tetrahydrodibenzo[b,d]furan-9a(5aH)-yl)-N,N-dimethylacetamide                                                                                                                                                              在
                                                                                                                                                                                 palladium 10% on activated carbon   、                                                                                                  
氢气   、                                                                                                  
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以67%的产率得到2-((1R,2S,3S,4R,4aS,9bS)-2,3-dihydroxy-6-methoxy-2,3,4,4a-tetrahydro-1,4-epoxydibenzo[b,d]furan-9b(1H)-yl)-N,N-dimethylacetamide