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Formaldehyde condensations with phenol and its homologues. V. The methylol compounds of 3 : 5-dimethylphenol

✍ Scribed by Finn, S. R. ;Lewis, G. J. ;Megson, N. J. L.

Publisher
Wiley (John Wiley & Sons)
Year
1950
Weight
474 KB
Volume
69
Category
Article
ISSN
0368-4075

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✦ Synopsis

Abstract

The structure of the monoalcohol of 3 : 5‐dimethylphenol, first made by von Auwers and believed to be a para‐substituted derivative, has now been confirmed. The synthesis of a new dialcohol, which has been characterized as an ortho‐ortho compound, is described. The effect of reaction conditions on the position of methylol substitution is discussed. It has been shown that during characterization of the monoalcohol, by pyrolysis with lime, methyl migration may occur.

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## Abstract It has been know since 1930 that a compound, m.p. 215° c., can be isolated from a __p__‐cresol‐formaldehyde resin made under acid conditions. The accepted structure of this compound was that of a linear molecule of three benzene rings linked by two methylene bridges. It was later sugges