trans-7-(triethylsilyloxy)cyclododecyl acetate 、
13-(tert-butyldimethylsilyloxy)-1-(trimethylsilyl)tridec-1-yn-5-ol 、
乙酸酐 、
potassium carbonate 、 在
4-二甲氨基吡啶 SiO2 作用下,
以to obtain the product (227 mg, 94%) as a colorless oil after flash column chromatography (SiO2, 5% ethyl acetate/hexanes)的产率得到13-(tert-butyldimethylsilyloxy)-1-(trimethylsilyl)tridec-1-yn-5-yl acetate