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Photoluminescence properties of photoactive HBCC 8,2 and HBCPt 2 have been studied. The phenylene-ethynyl-Pt moieties were incorporated onto the bromo functions of HBCBr 2 1 via double oxidative addition of Pt(PPh 3 ) 4 to 1 followed by CuI-catalyzed dehydrohalogenation reaction of compound 2 and phenylacetylene to give the desired molecule HBC-Pt 2 ...
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