3-(2-Trimethylsilanyl-ethoxycarbonylamino)-benzoic acid (E)-(2S,9S,10S,11R,14S)-2-{(E)-2-[2-(tert-butyl-dimethyl-silanyloxymethyl)-thiazol-4-yl]-1-methyl-vinyl}-10,14-dihydroxy-9,11,13,13-tetramethyl-12,16-dioxo-oxacyclohexadec-4-en-5-ylmethyl ester 在
吡啶 、
氢氟酸 作用下,
以
四氢呋喃 为溶剂,
生成 3-(2-Trimethylsilanyl-ethoxycarbonylamino)-benzoic acid (E)-(2S,9S,10S,11R,14S)-10,14-dihydroxy-2-[(E)-2-(2-hydroxymethyl-thiazol-4-yl)-1-methyl-vinyl]-9,11,13,13-tetramethyl-12,16-dioxo-oxacyclohexadec-4-en-5-ylmethyl ester