4-(7-fluoro-2,3-dihydro-1,4-benzodioxin-5-yl)-3-methyl-1H-pyrazol-5-amine   、                                                                                      
5-氯-2-氟-4-羟基苯甲醛                                                                                                                                                                                              以
                                                                                         
三氟乙酸                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以to afford 5.8 mg (4.2%) of 2-Chloro-5-fluoro-4-(6-fluoro-11-methyl-2,3-dihydro-9H-[1,4]dioxino[2,3-f]pyrazolo[3,4-c]isoquinolin-7-yl)phenol as a white powder的产率得到2-chloro-5-fluoro-4-(6-fluoro-11-methyl-2,3-dihydro-9H-[1,4]dioxino[2,3-f]pyrazolo[3,4-c]isoquinolin-7-yl)phenol