Acetic acid (2R,3R,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-6-[(2R,3S,4R,5R,6R)-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-4-hydroxy-6-methoxy-tetrahydro-pyran-3-yloxy]-5-(4-nitro-benzyloxycarbonylamino)-tetrahydro-pyran-4-yl ester 在
sodium dithionite 作用下,
以
乙醇 、
乙腈 为溶剂,
反应 0.17h,
以77%的产率得到Acetic acid (2R,3R,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-5-amino-6-[(2R,3S,4R,5R,6R)-2-benzyloxymethyl-5-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-4-hydroxy-6-methoxy-tetrahydro-pyran-3-yloxy]-tetrahydro-pyran-4-yl ester