甲醇   、                                                                                      
O-(4-(5-((S)-((3aS,5S,6R,6aS)-6-((tert-butyldimethylsilyl)oxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)(hydroxy)methyl)-2-chlorobenzyl)phenyl) dimethylcarbamothioate                                                                                                                                                              在
                                                                                                                                                                                 
乙酰氯                                                                                                                                  作用下,
                                                                                                                                                                                        反应 1.25h,
                                                                                                                生成                                                 O-4-(2-chloro-5-((2S,3R,4R,5S)-3,4,5-trihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)benzyl)phenyl dimethylcarbamothioate   、                                                                                             O-4-(2-chloro-5-((2S,3R,4R,5S)-3,4,5-trihydroxy-6-methoxytetrahydro-2H-pyran-2-yl)benzyl)phenyl dimethylcarbamothioate