(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-{4-benzyloxy-2-[3-tert-butyl-1-(4-methoxybenzyl)ureido]-4-oxobutanamido}tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
ammonium cerium (IV) nitrate 、
水 作用下,
以
乙腈 为溶剂,
生成
(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-[(S)-4-benzyloxy-2-(3-tert-butylureido)-4-oxobutanamido]tetrahydro-2H-pyran-3,4,5-triyl triacetate 、
(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-[(R)-4-benzyloxy-2-(3-tert-butylureido)-4-oxobutanamido]tetrahydro-2H-pyran-3,4,5-triyl triacetate