(3R,5S,7R,9S,11S,13R)-1,15-diaminopentadecane-3,5,7,9,11,13-hexol 、 benzotriazol-1-yl 5-(1,4-di-N-(tert-butoxycarbonyl)amino-1,4-dideoxy-D-ribotetritol-1-yl)-2-methylfuran-3-carboxylate 在
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以62%的产率得到tert-butyl N-[(1R,2S,3R)-1-[4-[[(3R,5S,7S,9R,11S,13R)-15-[[5-[(1R,2S,3R)-2,3-dihydroxy-1,4-bis[(2-methylpropan-2-yl)oxycarbonylamino]butyl]-2-methylfuran-3-carbonyl]amino]-3,5,7,9,11,13-hexahydroxypentadecyl]carbamoyl]-5-methylfuran-2-yl]-2,3-dihydroxy-4-[(2-methylpropan-2-yl)oxycarbonylamino]butyl]carbamate