二乙基亚磷酰氯 、 methyl (2S,4S,5R,6R)-5-acetamido-6-[(S)-[(2R,6S,8R,9R,10S)-9-acetamido-10-acetyloxy-5-oxo-8-[(1S,2R)-1,2,3-triacetyloxypropyl]-1,4,7-trioxaspiro[5.5]undecan-2-yl]-acetyloxymethyl]-4-acetyloxy-2-[(2R,3S,4S,5R)-3,5-dibenzoyloxy-2-(benzoyloxymethyl)-6-hydroxyoxan-4-yl]oxyoxane-2-carboxylate 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 1.0h,
生成 [methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)-2,4,6-tri-O-benzoyl-β-D-galactopyranosyl diethylphosphite 、
[methyl 5-acetamido-8-O-(5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylono-1',9-lactone)-4,7-di-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate]-(2->3)-2,4,6-tri-O-benzoyl-α-D-galactopyranosyl diethylphosphite