(10E,12S,13R,14S,16S)-7,14-Dihydroxy-6,10,12,16-tetramethyl-2,9,15,21-tetraoxo-20-oxa-18-azatetracyclo[14.3.1.1~4,19~.0~3,8~]henicosa-1(19),3,5,7,10-pentaen-13-yl 3-hydroxy-6-[(4-hydroxy-7-methoxy-2-o
xo-2H-chromen-3-yl)carbamoyl]-4-[(2,3,6-trideoxy-3-methyl-4-O-methyl-3-nitro-alpha-D-xylo-hexopyranosyl)oxy]-2-pyridinecarboxylate 在
盐酸 作用下,
以
水 、
溶剂黄146 为溶剂,
反应 72.0h,
以96%的产率得到(6E)-6-[{[(10Z)-7,14-Dihydroxy-6,10,12,16-tetramethyl-2,9,15,21-tetraoxo-20-oxa-18-azatetracyclo[14.3.1.1~4,19~.0~3,8~]henicosa-1(19),3,5,7,10-pentaen-13-yl]oxy}(hydroxy)methylene]-N-(2-hydroxy-7-meth
oxy-4-oxo-4H-chromen-3-yl)-4,5-dioxo-1,4,5,6-tetrahydro-2-pyridinecarboxamide