5-carboxypentyl 2-O-(2-O-(2-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-3,4,6-tri-O-benzyl-α-D-mannopyranoside 、
N-生物素基-1,6-己烷二胺 在
4-二甲氨基吡啶 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以68%的产率得到N-[6-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexyl]-6-[(2S,3S,4S,5R,6R)-3-[(2R,3S,4S,5R,6R)-3-[(2R,3S,4S,5R,6R)-3-[(2R,3S,4R,5R,6R)-3-hydroxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxyhexanamide