trans-Decen-(5)-diin-(1,9)                                                                                                                                                              在
                                                                                                                                                                                 copper diacetate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 trans-trans-Cycloeicosadien-(1,11)-tetrain-(5,7,15,17)   、                                                                                             all-trans-Cyclotetracontetetraen-(1,11,21,31)-octain-(5,7,15,17,25,27,35,37)   、                                                                                             
all-trans-Cyclopentacontapentaen-(1,11,21,31,41)-decain-(5,7,15,25,27,35,37,45,47)   、                                                                                             
all-trans-Cyclotriacontatrien-1,11,25-hexain-5,7,15,17,25,27