2-fluoro-4-methyl-5-methoxycarbonyloxy aniline   、                                                                                      7-benzyloxy-4-chloroquinazoline hydrochloride                                                                                                                                                              在
                                                                                                                                                                                 
异丙醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
2-戊醇                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以to give 7-benzyloxy-4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)quinazoline hydrochloride (1.65 g, 97%) as a cream solid的产率得到7-benzyloxy-4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)quinazoline hydrochloride