Selective synthesis of 4,4′-biphenyldica
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Hidefumi Hirai; Yukihide Shiraishi; Kazuhiro Saito
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Article
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1995
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John Wiley and Sons
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English
⚖ 210 KB
The selective carboxylation of 4-biphenylcarboxylic acid with carbon tetrachloride in aqueous alkali to obtain 4,4'-biphenyldicarboxylic acid was achieved by the use of P-cyclodextrin and copper powder I1 under mild conditions.