2,3,3aβ,4,4aα,5,6,7,8,8a,9,9aβ-dodecahydro-5α-hydroxy-8aβ-methyl-2-oxonaphtho<2,3-b>furan-3-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 jones reagent                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
丙酮                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以93%的产率得到2,3,3aβ,4,4aα,5,6,7,8,8a,9,9aβ-dodecahydro-8aβ-methyl-2,5-dioxonaphtho<2,3-b>furan-3-carboxylic acid methyl ester