Acetic acid (3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(4-{2-[benzyl-(toluene-4-sulfonyl)-amino]-1-hydroxy-ethyl}-phenoxy)-tetrahydro-pyran-3-yl ester 以
乙醚 为溶剂,
生成
Acetic acid (3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[(1S,3R)-3-hydroxy-2-phenyl-1-(toluene-4-sulfonyl)-azetidin-3-yl]-phenoxy}-tetrahydro-pyran-3-yl ester