5-羟基对萘醌   、                                                                                      
tert-butyl (((2R,3a'R,6'R,6a'R)-2',2'-dimethyl-3-vinyl-6',6a'-dihydro-3a'H,5H-spiro[furan-2,4'-furo[3,4-d][1,3]dioxole]-6'-yl)methoxy)dimethylsilane                                                                                                                                                                                              以
                                                                                         
甲苯   、                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                                                        以0.046 g的产率得到(3R,3a'R,6'R,6a'R)-6'-((tert-butyldimethylsilyloxy)methyl)-7-hydroxy-2',2'-dimethyl-6',6a'-dihydro-1H,3a'H-spiro[anthra[2,1-c]furan-3,4'-furo[3,4-d][1,3]dioxole]-6,11-dione