Conclusions
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1.
We describe methods for the synthesis, some physical properties, and a study of the thermal oxidative stabilities in oxygen of a series of ketophenylenes and ketophenylene ethers.
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2.
Among the diketones the most thermally stable is 1,1'-bis(4″-phenoxybenzophenonyl) ether, which we attribute to the strong intramolecular interaction of the regularly alternating electron-donating and electron-accepting groups along its molecular chain.
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Translated from Izvestiya Akademiya Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2520–2526, November, 1977.
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Zaitsev, B.A., Dantsig, L.L. & Shtraikhman, G.A. Synthesis and study of the properties of aromatic diketones containing a rigid chain. Russ Chem Bull 26, 2335–2340 (1977). https://doi.org/10.1007/BF00958721
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DOI: https://doi.org/10.1007/BF00958721