A linear template in the form of a bipyridine has been developed and is shown to direct a single-crystal-to-single-crystal [2 + 2] photodimerisation of a dicarboxylic acid.
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http://dx.doi.org/10.1039/b510081j | DOI Listing |
Chem Commun (Camb)
December 2005
University of Iowa Chemistry Department, 305 Chemistry Building, Iowa City, USA.
A linear template in the form of a bipyridine has been developed and is shown to direct a single-crystal-to-single-crystal [2 + 2] photodimerisation of a dicarboxylic acid.
View Article and Find Full Text PDFPhys Chem Chem Phys
May 2005
School of Chemistry, University of Reading, Whiteknights, Reading, UK RG6 6AD.
Single crystals of trans-cinnamic acid and of a range of derivatives of this compound containing halogen substituents on the aromatic ring have been reacted with 165 Torr pressure of bromine vapour in a sealed desiccator at 20 degrees C for 1 week. Infrared and Raman microspectroscopic examination of the crystals shows that bromination of the aliphatic double bond, but not of the aromatic ring, has occurred. It is demonstrated also that the reaction is truly gas solid in nature.
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