(2R,4S,4aS,5aR,10aS,11aR)-2-(2-Hydroxymethyl-allyl)-5a,9,9-trimethyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-4-ol                                                                                                                                                              在
                                                                                                                                                                                 
manganese(IV) oxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                                                        以82%的产率得到2-((2R,4S,4aS,5aR,10aS,11aR)-4-Hydroxy-5a,9,9-trimethyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-2-ylmethyl)-propenal