4-Nitro-benzoic acid (2S,3R,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-((2R,3R,4S,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-2-{2-[4-(toluene-4-sulfonylamino)-phenyl]-ethoxy}-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-3-yl ester 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
以84%的产率得到N-(4-{2-[(2R,3R,4S,5R,6R)-4,5-Bis-benzyloxy-6-benzyloxymethyl-3-((2S,3R,4R,5R,6R)-4,5-bis-benzyloxy-6-benzyloxymethyl-3-hydroxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-ethyl}-phenyl)-4-methyl-benzenesulfonamide