Photochromism of alkylisophthalaldehydes in the solid state: structure-reactivity correlations

Kumar, V. Amarendra ; Venkatesan, K. (1991) Photochromism of alkylisophthalaldehydes in the solid state: structure-reactivity correlations Journal of Chemical Society, Perkin Transactions 2, 2 (6). pp. 829-834. ISSN 0300-9580

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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1991...

Related URL: http://dx.doi.org/10.1039/P29910000829

Abstract

The crystal and molecular structures of the photochromic compounds 2,5-dimethylisophthalaldehyde (I) and 5-isopropyl-2-methylisophthalaldehyde (II) have been determined by single crystal X-ray analyses. The intramolecular γ-hydrogen abstraction process involved in the photoenolisation of I and II in the solid state has been rationalised in the light of relevant geometrical parameters.

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