methyl (1R,9R,10S,11R,12R,19R)-11-acetyloxy-4-[(2S,4R)-6-benzyl-2-methoxycarbonyl-4-[(1S,2S)-2-[(4-methylphenyl)sulfonyloxymethyl]cyclohexyl]-6,17-diazatricyclo[8.7.0.011,16]heptadeca-1(10),11,13,15-tetraen-2-yl]-12-ethyl-10-hydroxy-5-methoxy-8-methyl-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2,4,6,13-tetraene-10-carboxylate 在
palladium on activated charcoal
氢气 作用下,
以
甲苯 、
甲醇 为溶剂,
反应 7.0h,
以49%的产率得到methyl (1R,3S,18S,23R)-3-[(1R,9R,10S,11R,12R,19R)-11-acetyloxy-12-ethyl-10-hydroxy-5-methoxy-10-methoxycarbonyl-8-methyl-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2,4,6,13-tetraen-4-yl]-5,16-diazapentacyclo[14.7.1.04,12.06,11.018,23]tetracosa-4(12),6,8,10-tetraene-3-carboxylate