咪唑   、                                                                                      3-(4-Chloro-5-ethylpyrimidin-2-yl)-1-[(2-fluorophenyl)methyl]pyrazolo[3,4-b]pyridine                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         DMF (N,N-dimethyl-formamide)                                                                                  为溶剂,
                                                                                                                                                                                        以72.7%的产率得到3-(5-ethyl-4-(1H-imidazol-1-yl)pyrimidin-2-yl)-1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine