methyl 2-O-acetyl-4-O-benzyl-3-O-<2,4,6-tri-O-benzyl-3-O-(methyl 2,3,4-tri-O-benzyl-α-D-galactopyranosyl uronate)-α-D-galactopyranosyl>-α-L-rhamnopyranoside 在
sodium hydroxide 作用下,
生成 (2S,3S,4S,5R,6S)-3,4,5-Tris-benzyloxy-6-[(2R,3R,4S,5S,6R)-3,5-bis-benzyloxy-2-((2S,3S,4S,5R,6R)-3-benzyloxy-5-hydroxy-6-methoxy-2-methyl-tetrahydro-pyran-4-yloxy)-6-benzyloxymethyl-tetrahydro-pyran-4-yloxy]-tetrahydro-pyran-2-carboxylic acid