N-甲基哌嗪   、                                                                                      
{6,6-dimethyl-4,4-dioxo-5-[4-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)benzyl]-5,6-dihydro-4H-4λ6-[1,4,3]oxathiazin-2-yl}-[(S)-1-(2-fluorophenyl)ethyl]amine                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  copper diacetate   、                                                                                                  
盐酸                                                                                                                                  作用下,
                                                                                                                                                                                        反应 16.17h,
                                                                                                                以43 mg的产率得到{6,6-dimethyl-5-[4-(4-methylpiperazin-1-yl)benzyl]-4,4-dioxo-5,6-dihydro-4H-4λ6-[1,4,3]oxathiazin-2-yl}-[(S)-1-(2-fluorophenyl)ethyl]amine hydrochloride