methyl (2R)-2-[3,4-bis[[tert-butyl(dimethyl)silyl]oxy]-5-iodophenyl]-2-[[(2R)-2-[4-[tert-butyl(dimethyl)silyl]oxy-3,5-dichlorophenyl]-2-[[(2R)-2-[[2-(3,5-dichloro-4-hydroxyphenyl)-2-oxoacetyl]amino]-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-3-yl]propanoyl]amino]acetyl]amino]acetate 在
1,1'-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物 、
水 、
potassium carbonate 作用下,
以
1,4-二氧六环 为溶剂,
生成 methyl (11R,14R,17R)-20,21-bis[[tert-butyl(dimethyl)silyl]oxy]-14-(3,5-dichloro-4-hydroxyphenyl)-11-[[2-(3,5-dichloro-4-hydroxyphenyl)-2-oxoacetyl]amino]-12,15-dioxo-7,13,16-triazatetracyclo[16.3.1.12,6.05,9]tricosa-1(21),2(23),3,5,8,18(22),19-heptaene-17-carboxylate 、 methyl (11R,14R,17R)-20,21-bis[[tert-butyl(dimethyl)silyl]oxy]-14-[4-[tert-butyl(dimethyl)silyl]oxy-3,5-dichlorophenyl]-11-[[2-(3,5-dichloro-4-hydroxyphenyl)-2-oxoacetyl]amino]-12,15-dioxo-7,13,16-triazatetracyclo[16.3.1.12,6.05,9]tricosa-1(21),2(23),3,5,8,18(22),19-heptaene-17-carboxylate