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2000 polyphenyl derivatives
polyphenyl derivativesQ 0700
05 - 101Multiple Arylation of Phenols around the Oxygen under PalladiumCatalysis. — Pentaphenylated compounds like (III) are obtained bytreatment of phenols, e.g. (I), with bromides (II). The structure of product(IIIa) is elucidated by X-ray analysis. A mechanism of the reaction is discussed.— (KAWAMURA, YOSHIKI; SATOH, TETSUYA; MIURA, MASAHIRO;NOMURA, MASAKATSU; Chem. Lett. (1999) 9, 961-962; Dep. Appl. Chem.,Fac. Eng., Osaka Univ., Suita, Osaka 565, Japan; EN)
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