Abstract
WE wish to direct attention to the anomalous melting points (82–87° C.) quoted in the literature1–7 for diphenylene oxide. It is likely that these anomalies are due in part to the mode of formation, and we have examined the particular cases of the isolation of diphenylene oxide (a) from coal tar distillates, and (b) by the distillation of phenol over litharge2.
Similar content being viewed by others
Article PDF
References
Hoffmeister, Ann., 159, 211 (m.p. 80–81° C.).
Gallewsky, Ann., 264, 189 (1891) (86–87° C.). ( Cullinane, J. Chem. Soc., 2268 (1930) (86–87° C.).)
Graebe and Ullmann, Ber., 29, 1876 (1896) (80–81° C.).
Cullinane, Morgan and Plummer, Rec. Trav. Chim., 56, 6 (83° C.).
Kruber, D.R.P., 491, 594 (84° C.).
Hale and Stoesser, U.S.P. 1,808,349 (82–83° C.).
"International Critical Tables", 1, 244 (87° C.).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
WILLIAMS, A. Purity of Diphenylene Oxide (Dibenzofuran). Nature 162, 925 (1948). https://doi.org/10.1038/162925b0
Issue Date:
DOI: https://doi.org/10.1038/162925b0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.