N-(2-azidoethyl)-2-(7-(dimethylamino)-2-oxo-2H-chromen-4-yl)acetamide 、 (3S,3aR,3'S,5'R,6aS,9R,9aS,10aR,E)-5'-((R)-1-bromo-2-methyl-2-(prop-2-yn-1-yloxy)propyl)-9-hydroxy-3',9,10a-trimethyl-7-oxo-1,3a,4,4',5',6a,7,8,9,9a,10,10adodecahydro-2H,3'H-spiro[dicyclopenta[a,d][8]annulene-3,2'-furan]-6-carbaldehyde 在
copper(ll) sulfate pentahydrate 、
sodium ascorbate 作用下,
以
水 、
叔丁醇 为溶剂,
反应 16.0h,
以88%的产率得到N-(2-(4-((((R)-1-bromo-1-((3S,3aR,3'S,5'R,6aS,9R,9aS,10aR,E)-6-formyl-9-hydroxy-3',9,10a-trimethyl-7-oxo-1,3a,4,4',5',6a,7,8,9,9a,10,10a-dodecahydro-2H,3'H-spiro[dicyclopenta-[a,d][8]annulene-3,2'-furan]-5'-yl)-2-methylpropan-2-yl)oxy)methyl)-1H-1,2,3-triazol-1-yl)ethyl)-2-(7-(dimethylamino)-2-oxo-2H-chromen-4-yl)acetamide