5-Hydroxy and methoxy flavylium salts

Ramachandra Row, L. ; Seshadri, T. R. (1944) 5-Hydroxy and methoxy flavylium salts Proceedings of the Indian Academy of Sciences, Section A, 19 (3). pp. 141-145. ISSN 0370-0089

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Official URL: http://www.ias.ac.in/j_archive/proca/19/3/141-145/...

Related URL: http://dx.doi.org/10.1007/BF03170557


Starting from γ-resorcylic aldehyde some typical 5-hydroxy and methoxy flavylium salts have been prepared and studied. They exhibit negligible fluorescence even in concentrated sulphuric acid. The structural factors that affect fluorescence in flavylium salts are discussed and comparison effected with coumarins.

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Deposited On:07 Apr 2011 13:38
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