Acetic acid 2-((2R,4aR,5aR,10aS,11aR)-5a,9,9-trimethyl-4-oxo-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-2-ylmethyl)-allyl ester                                                                                                                                                              在
                                                                                                                                                                                 
manganese(IV) oxide   、                                                                                                  
L-Selectride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 2-((2R,4S,4aS,5aR,10aS,11aR)-4-Hydroxy-5a,9,9-trimethyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-2-ylmethyl)-propenal