Sulfuric acid (2S,3R,4R,5R,6R)-3-azido-2-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yl ester 2,2,2-trifluoro-ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
三甲基铵三氧化硫共聚物   、                                                                                                  
柠檬酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 Sulfuric acid (2S,3R,4R,5R,6R)-3-azido-2-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-5-hydroxy-6-(2,2,2-trifluoro-ethoxysulfonyloxymethyl)-tetrahydro-pyran-4-yl ester 2,2,2-trifluoro-ethyl ester