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Two novel compounds based on biphenyl structure, 2,2′-di(3,5-di(tert-butylcarbonate)phenyl)-4,4′-di(tert-butylcarbonate)biphenyl (A) and 2,2′,4,4′-tetra(3,5-di(tert-butylcarbonate)phenyl)biphenyl (B) were synthesized by commercially available materials. The products were fully characterized by FTIR, NMR and elemental analysis. The thermal stability and the phase transition of these compounds had been...
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