(3R)-3-(Triisopropylsilyloxy)-3-methylpent-4-ynal 、 (3R,4S,5R,7S)-5-Methyl-7-triethylsilanyloxy-3,4-bis-triisopropylsilanyloxy-octan-2-one 在
sodium hexamethyldisilazane 作用下,
生成 (3R,5S,8R,9S,10R,12S)-5-hydroxy-3,10-dimethyl-12-triethylsilyloxy-3,8,9-tris[tri(propan-2-yl)silyloxy]tridec-1-yn-7-one 、