methyl (4R)-4-[[(2S)-2-[[(2R)-2-[[(4aR,6S,7R,8R,8aS)-7-acetamido-2,2-dimethyl-6-sulfanyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]propanoyl]amino]propanoyl]amino]-5-amino-5-oxopentanoate 在
溶剂黄146 、
N,N'-二环己基碳二亚胺 作用下,
生成
[(2R,3S,4R,5R,6S)-5-acetamido-4-[(2R)-1-[[(2S)-1-[[(2R)-1-amino-5-methoxy-1,5-dioxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]oxy-3-hydroxy-6-[11-[(2-methylpropan-2-yl)oxycarbonylamino]undecanoylsulfanyl]oxan-2-yl]methyl 8-[(2-methylpropan-2-yl)oxycarbonylamino]octanoate