Treatment of osmapentalyne [Os { ≡C-C（COOMe）=CH-C =CH-C（PPh3） =CH-}Cl（PPh3）2]＋ BF4-with arylamines in the presence of Cs2CO3 produced osmium-bridged polycyclic aromatic complexes.In this reaction,metal carbyne...Treatment of osmapentalyne [Os { ≡C-C（COOMe）=CH-C =CH-C（PPh3） =CH-}Cl（PPh3）2]＋ BF4-with arylamines in the presence of Cs2CO3 produced osmium-bridged polycyclic aromatic complexes.In this reaction,metal carbyne of osmapentalyne was first attacked by nucleophiles,followed by a C-H oxidative addition.The UV-Vis spectra of these osmium-bridged polycyclic aromatic complexes were measured.The result shows that these osmium-bridged polycyclic aromatic complexes have broad absorption in the UV-Vis region up to 650 nm.展开更多
文摘Treatment of osmapentalyne [Os { ≡C-C（COOMe）=CH-C =CH-C（PPh3） =CH-}Cl（PPh3）2]＋ BF4-with arylamines in the presence of Cs2CO3 produced osmium-bridged polycyclic aromatic complexes.In this reaction,metal carbyne of osmapentalyne was first attacked by nucleophiles,followed by a C-H oxidative addition.The UV-Vis spectra of these osmium-bridged polycyclic aromatic complexes were measured.The result shows that these osmium-bridged polycyclic aromatic complexes have broad absorption in the UV-Vis region up to 650 nm.
