4-Nitro-benzoic acid (2S,3R,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-((2R,3R,4S,5R,6S)-3,5-bis-benzyloxy-2-phenylcarbamoyloxymethyl-6-{2-[4-(toluene-4-sulfonylamino)-phenyl]-ethoxy}-tetrahydro-pyran-4-yloxy)-tetrahydro-pyran-3-yl ester 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
以73%的产率得到N-(4-{2-[(2S,3R,4S,5R,6R)-3,5-Bis-benzyloxy-4-((2S,3R,4R,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-3-hydroxy-tetrahydro-pyran-2-yloxy)-6-hydroxymethyl-tetrahydro-pyran-2-yloxy]-ethyl}-phenyl)-4-methyl-benzenesulfonamide