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Double-Layered 1,4-Distyrylbenzene Chromophores - Synthesis, UV and Fluorescence Spectra

URN to cite this document:
urn:nbn:de:bvb:355-epub-61522
DOI to cite this document:
10.5283/epub.6152
König, Burkhard ; Knieriem, Burkhard ; Meijere, Armin de
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Date of publication of this fulltext: 05 Aug 2009 13:51


Abstract

The reaction of [2.2]paracyclophane (1) with liquid bromine affords a 1:1 mixture of only two isomeric products, the pseudo-para 2 and pseudo-ortho tetrabromide 3. The structure of the pseudo-para isomer 2 has been determined by X-ray structure analysis. Fourfold palladium-catalyzed coupling with styrenes and with methyl acrylate converts 2 and 3 into double-layered derivatives as e.g. 6a, 7a, ...

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