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