allyl 2-acetamido-3-O-acetyl-2-deoxy-4,6-di-O-pivaloyl-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 (1,5-cyclooctadiene)bis(methyldiphenylphosphine) iridium hexafluorophosphate   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.02h,
                                                                                                                以92%的产率得到1-propenyl 2-acetamido-3-O-acetyl-2-deoxy-4,6-di-O-pivaloyl-β-D-galactopyranoside