(S)-4-((3,3-dimethylbutan-2-yl)carbamoyl)-2,3-dimethoxybenzoic acid   、                                                                                      
1,5-萘二胺                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺   、                                                                                                  N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 15.0h,
                                                                                                                生成                                                 
4-N-[(2S)-3,3-dimethylbutan-2-yl]-1-N-[5-[[[4-[N-[(2S)-3,3-dimethylbutan-2-yl]-C-hydroxycarbonimidoyl]-2,3-dimethoxyphenyl]-hydroxymethylidene]amino]naphthalen-1-yl]-2,3-dimethoxybenzene-1,4-dicarboximidic acid