(2S,3S,4S,5R,6S)-6-{4-[(4S,7R,8S,9S,13Z,16S)-7-allyl-8-(tert-butyl-dimethyl-silanyloxy)-5,5,9,13-tetramethyl-16-(2-methyl-benzothiazol-5-yl)-2,6-dioxo-oxacyclohexadec-13-en-4-yloxycarbonyloxymethyl]-phenoxy}-3,4,5-tris-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-carboxylic acid allyl ester 在
氟化氢吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 24.0h,
以59%的产率得到(2S,3S,4S,5R,6S)-6-{4-[(4S,7R,8S,9S,13Z,16S)-7-allyl-8-hydroxy-5,5,9,13-tetramethyl-16-(2-methyl-benzothiazol-5-yl)-2,6-dioxo-oxacyclohexadec-13-en-4-yloxycarbonyloxymethyl]-phenoxy}-3,4,5-trihydroxy-tetrahydro-pyran-2-carboxylic acid allyl ester