diethyl N-(2,3-difluoro-4-(N-((3,4-dihydro-2-methyl-4-oxo-6-quinazolinyl)methyl)prop-2-ynylamino)benzoyl)-L-glutamate                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 5.0h,
                                                                                                                以50%的产率得到N-(2,3-difluoro-4-{N-[(3,4-dihydro-2-methyl-4-oxo-6-quinazolinyl)methyl]prop-2-ynylamino}benzoyl)-L-glutamic acid