(3S,6R,7S,8S)-5-oxo-3-(triethylsilyloxy)-4,4,6,8-tetramethyl-7-(2,2,2-trichloroethoxycarbonyloxy)-10-undecenoic acid 、
2-methyl-1-(2-methyl-thiazol-4-yl)-6-trifluoromethyl-nona-1,5,8-trien-3-(S)-ol 在
4-二甲氨基吡啶 、
1-(3-二甲基氨基丙基)-3-乙基碳二亚胺 作用下,
以75%的产率得到[(1E,3S,5E)-2-methyl-1-(2-methyl-1,3-thiazol-4-yl)-6-(trifluoromethyl)nona-1,5,8-trien-3-yl] (3S,6R,7S,8S)-4,4,6,8-tetramethyl-5-oxo-7-(2,2,2-trichloroethoxycarbonyloxy)-3-triethylsilyloxyundec-10-enoate