Acetic acid (2R,3R,4S,5R,6S)-6-((2R,3R,4S,5R,6R)-3-acetoxy-4,5-bis-benzyloxy-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethoxy)-4,5-bis-benzyloxy-2-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-pyran-3-yl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
以97%的产率得到Acetic acid (2R,3R,4S,5R,6R)-2-((2S,3R,4S,5R,6R)-5-acetoxy-3,4-bis-benzyloxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxymethyl)-4,5-bis-benzyloxy-6-phenylsulfanyl-tetrahydro-pyran-3-yl ester