Acetic acid (3R,4S,6R)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-6-phenylsulfanyl-tetrahydro-pyran-3-yl ester 在
N-溴代丁二酰亚胺(NBS) 、
4,4'-二氨基二苯乙烯-2,2'-二磺酸 作用下,
生成 Acetic acid (3R,4S,6R)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-6-fluoro-tetrahydro-pyran-3-yl ester 、 Acetic acid (3R,4S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-diphenyl-silanyloxymethyl)-6-fluoro-tetrahydro-pyran-3-yl ester