Abstract:Open-shell organic molecules, including S = ½ radicals, may provide enhanced properties for several emerging technologies, however, relatively few synthesized to date possess robust thermal stability and processability. We report synthesis of S = ½ biphenylene-fused tetrazolinyl radicals 1 and 2. Both radicals possess near-perfect planar structures based on their X-ray structures and DFT computations. Radical 1 possesses an outstanding thermal stability as indicated by the onset of decomposition at 269 °C, bas… Show more
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