8-Chloro-1,3,12-trihydroxy-4,7-dimethoxy-10-methyl-9-propylnaphtho[2,1-g]isoquinolin-11-one   、                                                                                      
2,2,2-trifluoroethyl (3aR,6S,7aS)-6-hydroxy-5-iodo-2,2-dimethyl-3a,6,7,7a-tetrahydro-1,3-benzodioxole-4-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
potassium phosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 30.0h,
                                                                                                                以56%的产率得到2,2,2-trifluoroethyl (3aR,6S,7aS)-5-(8-chloro-1,12-dihydroxy-4,7-dimethoxy-10-methyl-11-oxo-9-propylnaphtho[2,1-g]isoquinolin-3-yl)oxy-6-hydroxy-2,2-dimethyl-3a,6,7,7a-tetrahydro-1,3-benzodioxole-4-carboxylate