phthalimidyl-2,3,4,6-tetra-O-benzoyl-β-d-glucopyranoside   、                                                                                      
(2R,3R,4S,5R,6S)-4,5-bis(benzyloxy)-2-((benzyloxy)methyl)-6-(pent-4-en-1-yloxy)tetrahydro-2H-pyran-3-ol                                                                                                                                                              在
                                                                                                                                                                                 
gold(III) bromide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以66%的产率得到[(2R,3R,4S,5R,6S)-3,4,5-tribenzoyloxy-6-[(2R,3R,4S,5R,6S)-6-pent-4-enoxy-4,5-bis(phenylmethoxy)-2-(phenylmethoxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl benzoate