(3aR,4S,6S,8S,8aS,9aR)-6-acetoxy-8-hydroxy-5,8a-dimethyl-3-methylene-2-oxo-2,3,3a,4,6,7,8,8a,9,9a-decahydronaphtho[2,3-b]furan-4-yl methacrylate                                                                                                                                                              在
                                                                                                                                                                                 
pyridinium chlorochromate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氯仿                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以3 mg的产率得到2-Methyl-acrylic acid (3aR,4S,6S,8aS,9aR)-6-acetoxy-5,8a-dimethyl-3-methylene-2,8-dioxo-2,3,3a,4,6,7,8,8a,9,9a-decahydro-naphtho[2,3-b]furan-4-yl ester