5-oxopentyl (3aR,5R,7R,7aS)-5,7-dihydroxy-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-1,3-benzodioxole-5-carboxylate   、                                                                                      
2-methyl-3-oxo-3-(phenylsulfanyl)propanoic acid                                                                                                                                                              在
                                                                                                                                                                                 copper(II) bis(trifluoromethanesulfonate)   、                                                                                                  
(R,R)-2,2'-异亚丙基双(4-苯基-2-恶唑啉)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
丙酮   、                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                生成                                                 (3aR,5R,7R,7aS)-5,7-Dihydroxy-2,2-dimethyl-hexahydro-benzo[1,3]dioxole-5-carboxylic acid 5-hydroxy-6-phenylsulfanylcarbonyl-heptyl ester   、                                                                                             (3aR,5R,7R,7aS)-5,7-Dihydroxy-2,2-dimethyl-hexahydro-benzo[1,3]dioxole-5-carboxylic acid 5-hydroxy-6-phenylsulfanylcarbonyl-heptyl ester