(1R,3R)-3-(azidomethyl)-5,9,10-trimethoxy-1-methyl-3,4-dihydro-1H-benzo[g]isochromene 、
丁炔二酸二甲酯 在
triethylphosphite copper(I) iodide complex 作用下,
反应 1.25h,
以86%的产率得到dimethyl 1-(((1R,3R)-5,9,10-trimethoxy-1-methyl-3,4-dihydro-1H-benzo[g]isochromen-3-yl)methyl)-1H-1,2,3-triazole-4,5-dicarboxylate