(3aR,5aR,9aR,9bR)-4-Allyl-2,2,8,8-tetramethyl-hexahydro-[1,3]dioxolo[4',5':4,5]pyrano[3,2-d][1,3]dioxine                                                                                                                                                              在
                                                                                                                                         cyclooctadiene-bis(methyldiphenylphosphine)-iridium hexafluorophosphate                                                                                                                                                                          作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以88%的产率得到(1(1')Z)-2,3:4,6-di-O-isopropylidene-1-deoxy-1-propylidene-D-mannopyranose