3,4,6-tri-O-benzyl-1,5-N-[carboxymethylimino]-2-(tetradecanoyl)amino-1,2,5-trideoxy-D-glucitol 、
methyl 6-amino-2-[(12-benzyloxycarbonylamino)dodecanoyl]amino-2,6-dideoxy-3-O-tetradecanoyl-α-D-glucopyranoside 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以96%的产率得到Tetradecanoic acid (2S,3R,4R,5R,6R)-3-(12-benzyloxycarbonylamino-dodecanoylamino)-6-{[2-((2R,3R,4R,5S)-3,4-bis-benzyloxy-2-benzyloxymethyl-5-tetradecanoylamino-piperidin-1-yl)-acetylamino]-methyl}-5-hydroxy-2-methoxy-tetrahydro-pyran-4-yl ester