(E)-1-(1-(2,2-dimethoxyethyl)-1H-indazol-5-yl)-4-styrylpyridin-2(1H)-one                                                                                                                                                              在
                                                                                                                                         
钯                                                                                                                                                                                                                               氮   、                                                                                                  
氢气   、                                                                                                  
甲醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 4.5h,
                                                                                                                以to gave the title compound (1.77 g, 84%) as a orange solid 1H NMR (300 MHz, CDCl3) 8.04 (s, 1H), 7.68 (d, J=15 Hz, 1H), 7.57 (d, J=9.0 Hz, 1H), 7.44-7.36 (dd, J=8.9, 1.9 Hz, 1H), 7.36-7.28 (m, 2H, overlapping with solvent peak), 7.26-7.18 (m, 3H), 6.51 (s, 1H), 6.16-6.06 (dd, J=7.0, 1.8 Hz, 1H), 4.76 (t, J=5.3 Hz, 2H), 4.48 (t, J=5.3 Hz, 2H), 3.36 (s, 6H) 3.01-2.90 (m, 2H), 2.90-2.76 (m, 2H)的产率得到1-(1-(2,2-dimethoxyethyl)-1H-indazol-5-yl)-4-phenethylpyridin-2(1H)-one