Syntheses and Spectral Properties of Several Branched-chain Polyphenyls containing 1, 3, 5-Trisubstituted Ring (s)

…, Y FUJIOKA, H HASHINO, N KIMURA…

Index: Ozasa, Shigeru; Fujioka, Yasuhiro; Hashino, Hiromi; Kimura, Naoko; Ibuki, Eiichi Chemical & Pharmaceutical Bulletin, 1983 , vol. 31, # 7 p. 2313 - 2320

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Abstract

Six polyphenyls, including four new compounds, 5', 5''-di (2-biphenylyl)-2, 2'''-diphenyl-m- quaterphenyl (3), 2, 5', 2''-triphenyl-m-terphenyl (4), 3, 5-di (2-biphenylyl)-o-terphenyl (5), and 5''-(3-biphenylyl)-m-quinquephenyl (6), were synthesized by the Ullmann coupling reaction of iodo compounds. Proton magnetic resonance spectral studies indicated that the characteristic spectral features of the polyphenyls containing 1, 3, 5-trisubstituted ring ...