[(3R*,4S*,5S*)-5-(4-amino-3-fluoro-benzyl)-4-hydroxy-1,1-dioxo-hexahydro-1λ6-thiopyran-3-yl]-(3-tert-butyl-benzyl)-carbamic acid tert-butyl ester                                                                                                                                                              在
                                                                                                                                                                                 1-butyl-3-methylimidazolium tribromide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.83h,
                                                                                                                生成                                                 [(3R*,4S*,5S*)-5-(4-amino-3-bromo-5-fluoro-benzyl)-4-hydroxy-1,1-dioxo-hexahydro-1λ6-thiopyran-3-yl]-(3-tert-butyl-benzyl)-carbamic acid tert-butyl ester   、                                                                                             
[(3R,4S,5S)-5-(4-amino-3-bromo-5-fluoro-benzyl)-4-hydroxy-1,1-dioxo-hexahydro-1λ6-thiopyran-3-yl]-(3-tert-butyl-benzyl)-carbamic acid tert-butyl ester