3,3,6,6-tetramethyl-9-(3-(prop-2-yn-1-yloxy)phenyl)-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione 、 6-(azidomethyl)-5-(ethoxycarbonyl)-4-(3,4,5-trimethoxyphenyl)-3,4-dihydropyrimidin-2(1H)-one 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
二氯甲烷 、
水 为溶剂,
以205 mg的产率得到ethyl 2-oxo-6-((4-((3-(3,3,6,6-tetramethyl-1,8-dioxo-2,3,4,5,6,7,8,9-octahydro-1H-xanthen-9-yl)phenoxy)methyl)-1H-1,2,3-triazol-1-yl)methyl)-4-(3,4,5-trimethoxyphenyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate