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Points from Foregoing Letters

Nature volume 140, page 646 (09 October 1937) | Download Citation



X-RAY photographs indicating changes in the structure and molecular orientation of p-cresol mono-alcohol during the process of resinification on heating are submitted by N. J. L. Megson and W. A. Wood. A new crystalline compound (m.p. 99-100°) is first formed apparently by condensation of two molecules with elimination of water. The resin which results on further heating shows signs of a distorted crystal structure, and the authors suggest that it is formed by small irregular displacements of the molecules from the crystalline formation and not by radical rearrangement of a random nature.

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