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Page 132. The authors wish to acknowledge the prior report describing 2,4'-diphenylbiphenyl, m.p. 118°, by Dale [Acta Chemica Scand., 11, 650 (1957)]. Comparison of the ultraviolet and infrared data for our product and those for Dale's product and for terphenyl, a possible by-product of the reaction used in our synthesis, indicate that our product is a mixture of terphenyl and 2,4'-diphenylbiphenyl. The authors appreciate the helpful comments of Professor D. H. Hey and Dr. J. C. Cade in re-interpreting these data.

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