3,3aR,4,5,6,6aS-hexahydro-2R-methoxy-4R-(3-oxo-1E-octenyl)-5R-(p-phenylbenzoyloxy)-2H-cyclopenta[b]furan   、                                                                                      
L-Selectride                                                                                                                                                                                              以
                                                                                         
四氢呋喃   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以70% by weight的产率得到1-[3,3aR,4,5,6,6aS-hexahydro-2R-methoxy-5R-(p-phenylbenzoyloxy)-2H-cyclopenta[b]furan-4R-yl]-1E-octen-3S-ol