N-(2-azidoethyl)-2-[7-(dimethylamino)-4-methyl-2-oxochromen-3-yl]acetamide 、
(3aR,5S,12aS)-10,11-dibromo-5-(hex-5-yn-1-yloxy)-1,5,6,12a-tetrahydroimidazo[4,5-b]dipyrrolo[1,2-a:1',2'-d]pyrazine-2,8(3H,4H)-dione 在
copper(II) sulfate 、
sodium ascorbate 作用下,
以
水 、
正丁醇 为溶剂,
以79%的产率得到N-(2-(4-(4-(((3aR,5S,12aS)-10,11-dibromo-2,8-dioxo-1,2,3,4,5,6,8,12a-octahydroimidazo[4,5-b]dipyrrolo[1,2-a:1',2'-d]pyrazin-5-yl)oxy)butyl)-1H-1,2,3-triazol-1-yl)ethyl)-2-[7-(dimethylamino)-4-methyl-2-oxo-2H-chromen-3-yl]acetamide