1-(but-2-yn-1-yloxy)-[1,1'-biphenyl]-4(1H)-one   、                                                                                      
溶剂黄146                                                                                                                                                              在
                                                                                                                                                                                 palladium diacetate   、                                                                                                  (1R,9R,1'R,9'R)-10,10,10',10'-tetramethyl[5,5']bi[6-azatricyclo[7.1.1.0(2,7)]undecyl]-2(7),3,5,2',4',6'-hexaene                                                                                                                                  作用下,
                                                                                                                                                                                        反应 16.0h,
                                                                                                                生成                                                 (Z)-1-((3αS,7αS)-5-oxo-7α-phenyl-4,5-dihydrobenzofuran-3(2H,3αH,7αH)-ylidene)ethyl acetate   、                                                                                             
(Z)-1-((3αR,7αR)-5-oxo-7α-phenyl-4,5-dihydrobenzofuran-3(2H,3αH,7αH)-ylidene)ethyl acetate