在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 20.0h,
以70%的产率得到(3S)-4-[[(2S)-1-[[(19S)-19-ethyl-10-[(E)-(2-methylpropan-2-yl)oxyiminomethyl]-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-19-yl]oxy]-3-methyl-1-oxobutan-2-yl]amino]-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-oxobutanoic acid