tert-butyl N-[(3'S,4R,4'R,9'S,10'R,15'R)-4'-[tert-butyl(dimethyl)silyl]oxy-18'-chloro-10'-(methoxymethoxy)-2,2-dimethyl-13'-oxo-9'-triethylsilyloxy-9'-(3-triethylsilylprop-2-ynyl)spiro[1,3-dioxolane-4,5'-2,12-dioxa-17-azatricyclo[14.2.2.13,6]henicosa-1(18),6(21),16,19-tetraen-7-yne]-15'-yl]carbamate 在
2,6-二甲基吡啶 、
N-羟基-7-氮杂苯并三氮唑 、
silica gel 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
反应 40.0h,
生成 N-[(3'S,4R,4'R,9'S,10'R,15'R)-4'-[tert-butyl(dimethyl)silyl]oxy-18'-chloro-10'-(methoxymethoxy)-2,2-dimethyl-13'-oxo-9'-triethylsilyloxy-9'-(3-triethylsilylprop-2-ynyl)spiro[1,3-dioxolane-4,5'-2,12-dioxa-17-azatricyclo[14.2.2.13,6]henicosa-1(18),6(21),16,19-tetraen-7-yne]-15'-yl]-7,8-dimethoxy-6-propan-2-yloxy-3-prop-2-enoxynaphthalene-2-carboxamide