2,5-anhydro-1-C-(N-benzyloxycarbonyl)amino-6-C-amino-1,6-dideoxy-3,4-di-O-methyl-D-mannitol 、
(2R,3R,11R,12R)-1,4,7,10,13,16-hexaoxacyclooctadecane-2,3,11,12-tetracarbonyl tetrachloride 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以77%的产率得到benzyl N-[[(2R,3R,4R,5R)-3,4-dimethoxy-5-[[[(2R,3R,11R,12R)-3,11,12-tris[[(2R,3R,4R,5R)-3,4-dimethoxy-5-(phenylmethoxycarbonylaminomethyl)oxolan-2-yl]methylcarbamoyl]-1,4,7,10,13,16-hexaoxacyclooctadecane-2-carbonyl]amino]methyl]oxolan-2-yl]methyl]carbamate