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Molecules 2009, 14(12), 4838-4848;

Synthesis and Study of Novel Coumarin Derivatives Potentially Utilizable as Memory Media

Institute of Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská dolina CH-2, SK-842 15 Bratislava, Slovak Republic
Author to whom correspondence should be addressed.
Received: 22 October 2009 / Revised: 17 November 2009 / Accepted: 23 November 2009 / Published: 25 November 2009
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Novel coumarin derivatives, 2-oxo-2H-chromenecarbaldehyde hydrazones were prepared by reaction of substituted 2-oxo-2H-chromenecarbaldehydes with N-aminoimides in ethanol in the presence of 4-toluenesulfonic acid as catalyst. The photochromic and thermochromic properties of the prepared compounds were investigated.
Keywords: chromenes; photochromism; thermochromism chromenes; photochromism; thermochromism

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Flašík, R.; Stankovičová, H.; Gáplovský, A.; Donovalová, J. Synthesis and Study of Novel Coumarin Derivatives Potentially Utilizable as Memory Media. Molecules 2009, 14, 4838-4848.

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