(Z)-(4S,7R,8S,9S,16S)-8-(tert-Butyl-dimethyl-silanyloxy)-4-(4-methoxy-benzyloxy)-5,5,7,9-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-oxacyclohexadec-13-ene-2,6-dione 在
氟化氢吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
以91%的产率得到(4S,7R,8S,16S)-8-hydroxy-4-(4-methoxybenzyloxy)-5,5,7,9-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)-1-ethenyl]-1-oxacyclohexadec-13-en-2,6-dione