tert-butyl N-({[(5R,5aR,6S,6aR,7S,10aS)-9-carbamoyl-7-(dimethylamino)-1,6,8,10a,11-pentahydroxy-5-methyl-10,12-dioxo-5,5a,6,6a,7,10,10a,12-octahydrotetracen-2-yl]carbamoyl}methyl)carbamate 在
盐酸 、
N-羟基丁二酰亚胺 、
N,N'-二环己基碳二亚胺 作用下,
以
1,4-二氧六环 、
二氯甲烷 为溶剂,
反应 2.0h,
生成 {7-[({[(5R,5aR,6S,6aR,7S,10aS)-9-carbamoyl-7-(dimethylamino)-1,6,8,10a,11-pentahydroxy-5-methyl-10,12-dioxo-5,5a,6,6a,7,10,10a,12-octahydrotetracen-2-yl]carbamoyl}methyl)carbamoyl]heptyl}triphenylphosphonium trifluoroacetate