5-bromo-2-carboxypyridin-3-yl 3-[4-(3-chloro-1H-1,2-pyrazol-1-yl)-1H-1,2,3-triazol-1-yl]-3-deoxy-2-O-methyl-1-thio-α-D-galactopyranoside   、                                                                                      
(cyclobutylmethyl)(ethyl)amine hydrochloride                                                                                                                                                              在
                                                                                                                                                                                 
N-甲基吗啉   、                                                                                                  N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以45%的产率得到5-bromo-2-[N,N-(cyclobutylmethyl)ethylcarbamoyl]pyridin-3-yl 3-[4-(3-chloro-1H-1,2-pyrazol-1-yl)-1H-1,2,3-triazol-1-yl]-3-deoxy-2-O-methyl-1-thio-α-D-galactopyranoside