(1S,3'R,4'S,5'R,6'R)-3',4',5'-triacetoxy-6'-(acetoxymethyl)-6-[(4-(tert-butyldimethylsilyloxy)phenyl)methyl]-5-chloro-3',4',5',6'-tetrahydro-spiro[isobenzofuran-1(3H),2'-[2H]pyran]                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.25h,
                                                                                                                以84.9%的产率得到(1S,3'R,4'S,5'R,6'R)-3',4',5'-triacetoxy-6'-(acetoxymethyl)-5-chloro-3',4',5',6'-tetrahydro-6-[(4-hydroxyphenyl)methyl]-spiro[isobenzofuran-1(3H),2'-[2H]pyran]