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
methyl (4R)-4-[[(2S)-2-[[(2R)-2-[(2R,3S,4R,5R,6S)-5-acetamido-3-hydroxy-2-(hydroxymethyl)-6-[5-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoylsulfanyl]oxan-4-yl]oxypropanoyl]amino]propanoyl]amino]-5-amino-5-oxopentanoate