名称:
                                Photolyses of 1,4-bis(1,1-diarylhept-2-ynyl)benzenes and 1,4-bis(1,1-diarylalkyl)benzenes
                             
                            
                                摘要:
                                Photolyses of 1,4-bis(1,1-diarylhept-2-ynyl)benzenes or 1,4-bis(1,1-diarylalkyl)benzenes 2 in a tetrahydrofuran-methanol mixture gave 1-biphenyl-4-yl-1,1-diarylhept-2-ynes or 1-biphenyl-4-yl-1,1-diarylalkanes 3 as major products and biaryls 1 as minor products.  The products 3 were obtained with quantum yields of 0.010-0.020, respectively.