[(2R,3R,4R,5R,6R)-2-(4-Benzoylamino-2-oxo-2H-pyrimidin-1-yl)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-hydroxymethyl-tetrahydro-pyran-3-yl]-carbamic acid 9H-fluoren-9-ylmethyl ester 在
2,2,6,6-tetramethyl-piperidine-N-oxyl 、
sodium hypochlorite 、
碳酸氢钠 、
四正丁基硫酸铵 、 sodium chloride 、 potassium bromide 作用下,
以
二氯甲烷 、
水 为溶剂,
生成 [(2R,3R,4R,5R,6S)-2-(4-Benzoylamino-2-oxo-2H-pyrimidin-1-yl)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-formyl-tetrahydro-pyran-3-yl]-carbamic acid 9H-fluoren-9-ylmethyl ester