[(4S,7R,8S,9S,13Z,16S)-5,5,7,9,13-pentamethyl-2,6-dioxo-16-[(E)-1-[2-(2,2,2-trichloroethoxycarbonyloxymethyl)-1,3-thiazol-4-yl]prop-1-en-2-yl]-4-triethylsilyloxy-1-oxacyclohexadec-13-en-8-yl] 2,2,2-trichloroethyl carbonate 在
溶剂黄146 、
锌 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以90%的产率得到(Z)-(4S,7R,8S,9S,16S)-8-Hydroxy-16-[(E)-2-(2-hydroxymethyl-thiazol-4-yl)-1-methyl-vinyl]-5,5,7,9,13-pentamethyl-4-triethylsilanyloxy-oxacyclohexadec-13-ene-2,6-dione