(3R,4S,5R)-5-[(R)-1-Azido-2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3,4-bis-(tert-butyl-dimethyl-silanyloxy)-dihydro-furan-2-one                                                                                                                                                              在
                                                                                                                                                                                 
二异丁基氢化铝                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 6.08h,
                                                                                                                生成                                                 (4S,5S,6R,7R)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-7-(tert-butyl-dimethyl-silanyloxymethyl)-6-hydroxy-3,3a,4,5,6,7-hexahydro-[1,2,3]triazolo[1,5-a]pyridine-3-carboxylic acid methyl ester