(3R,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-{(2R,6S)-6-[(S)-2-(tert-butyl-diphenyl-silanyloxy)-4-hydroxy-butyl]-tetrahydro-pyran-2-yl}-hexanoic acid allyl ester 在
phosphate buffer 2,2,6,6-tetramethyl-piperidine-N-oxyl 、
sodium hypochlorite 、
sodium chlorite 作用下,
以
乙腈 为溶剂,
反应 1.0h,
以95%的产率得到(3R,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-{(2R,6S)-6-[(R)-2-(tert-butyl-diphenyl-silanyloxy)-3-carboxy-propyl]-tetrahydro-pyran-2-yl}-hexanoic acid allyl ester