2,6-dimethoxy-4-(2-methyl-1-oxo-1,2-dihydro-2,7-naphthyridin-4-yl)benzaldehyde 、
3-(prop-2-ynyloxy)azetidine hydrochloride 在
甲醇 、 sodium cyanoborohydride 作用下,
反应 2.0h,
以70%的产率得到4-(3,5-dimethoxy-4-((3-(prop-2-yn-1-yloxy)azetidin-1-yl)methyl)phenyl)-2-methyl-2,7-naphthyridin-1(2H)-one