(S)-(S)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)pyrrolidine-2-carboxylic 2,4,6-trichlorobenzoic anhydride 、 (E,4S)-5-[tert-butyl(dimethyl)silyl]oxy-4-[[(2S,3S,5R,7S)-3-[tert-butyl(dimethyl)silyl]oxy-7-hydroxy-2,5,8,8-tetramethylnonanoyl]amino]-2-methylpent-2-enoic acid 在
4-二甲氨基吡啶 作用下,
以
甲苯 为溶剂,
生成 (6S,8S)-3,6,9,9-tetramethyl-8-(triethylsilyloxy)dec-1-en-4-ol