methyl (8R,11R,14S,15R)-11-(3-bromo-4-methoxyphenyl)-15-[tert-butyl(dimethyl)silyl]oxy-5-hydroxy-4-methoxy-8-[(2-methylpropan-2-yl)oxycarbonylamino]-9,12-dioxo-2-oxa-10,13-diazatricyclo[14.2.2.13,7]henicosa-1(18),3(21),4,6,16,19-hexaene-14-carboxylate 在
tris(dibenzylideneacetone)dipalladium (0) 、
四丁基氟化铵 、 sodium carbonate 、
溶剂黄146 、
三(邻甲基苯基)磷 作用下,
以
四氢呋喃 、
甲醇 、
甲苯 为溶剂,
反应 16.5h,
生成 methyl (8R,11R,14S,15R)-11-[3-[2,4-dimethoxy-6-[(1S)-2-(2-methoxyethoxymethoxy)-1-(phenylmethoxycarbonylamino)ethyl]phenyl]-4-methoxyphenyl]-5,15-dihydroxy-4-methoxy-8-[(2-methylpropan-2-yl)oxycarbonylamino]-9,12-dioxo-2-oxa-10,13-diazatricyclo[14.2.2.13,7]henicosa-1(18),3(21),4,6,16,19-hexaene-14-carboxylate