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Photodimerization of Anthracenes in the Solid State: New Results from Atomic Force Microscopy

โœ Scribed by Prof. Gerd Kaupp

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
597 KB
Volume
31
Category
Article
ISSN
0044-8249

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โœฆ Synopsis

as minor product; B-1: weakly arched, saber-shaped crystal aggregates with monoclinic single crystals strung together in the form of a ladder (P2,/a, a = 31.3, 6 = 4.04, c = 6.05 A, fl = 90.3 "), about half as thick as they are wide, with convex arched narrow faces, from diethyl ether by layering with petroleum ether at 4ยฐC [7], solid state absorption: Amax (E,.,) = 241 (0.98). 282 (sh, 0.97), 308 (1.00), 315 (1.00), 364 (sh, 0.39), 390 (sh, 0.26), 440 (sh, 0.11) nm.

[9] E. D. Eanes, G. Donnay, Z . Xristallogr., Kristallgeometr., Kristallphys., Kristallchem. 1959,111,368-371 ;here conclusions that the product 2 does not show any preferred orientation were made from X-ray diffraction recordings and have been explicitly confirmed in . [lo] Neither of 2 nor of 3 are hydrates known; we thank Prof. M. Lahav for confirmation that truxillic and truxinic acids are hygroscopic. [ll]

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