Narasimha Moorthy, J. ; Samant, S. D. ; Venkatesan, K. (1994) Studies in crystal engineering: structure-reactivity correlations of substituted styrylcoumarins and related systems Journal of the Chemical Society, Perkin Transactions 2, 2 (6). pp. 1223-1228. ISSN 0300-9580
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Official URL: http://pubs.rsc.org/en/content/articlelanding/1994...
Related URL: http://dx.doi.org/10.1039/P29940001223
Abstract
The solid state photochemical behaviour of 7-hydroxy-4-styrylcoumarin 1 and several of its derivatives and analogues has been investigated. All the compounds with the exception of 7-methoxy-4-styrylcoumarin 2 are photolabile and yield anti-HT dimers. It has been observed that chloro substitution in the systems studied does not lead to the expected β-packing mode. The photobehaviour of 1 and 2 has been correlated with their crystal structures. Reasons for α-packing have been examined. The systematics in the arrangement of the carbonyl group and phenyl group of the close neighbours in the crystals of 1, 2 and a few other cases are presented.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 60767 |
| Deposited On: | 10 Sep 2011 11:33 |
| Last Modified: | 16 Jul 2012 15:31 |
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