4-Alkoxynaphthaldehydes and their application in synthesis of styryl pyrylium dyes with broad absorption band in visible spectrum

I. Boiko; A. Ivanova

doi:10.3390/ecsoc-12-01217

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Aza-Diels-Alder versus 1,3-Dipolar Cycloadditions of Methyl Glyoxylate Oxime with Cyclopentadiene

4-Alkoxynaphthaldehydes and their application in synthesis of styryl pyrylium dyes with broad absorption band in visible spectrum

I. I. Boiko

^*,

A. P. Ivanova

¹ Technologist Co., Ltd., Mendeleev sq. 2 bldg. 157, Pereslavl-Zalesskiy, Yaroslavl reg., 152020, Russian Federation

Published: 19 November 2008 by MDPI in The 12th International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis

https://doi.org/10.3390/ecsoc-12-01217

Abstract: 2,4-Di(4-propoxyphenyl)-6-(4-propoxynaphthyl)pyrylium tetrafluoborate - styryl pyrylium dye with broad absorption bands at 400-500nm and 500-630nm was synthesized. Method for obtaining intermediate 4-propoxynaphthaldehyde was improved.

Keywords: pyrylium salt, styryl pyrylium dye, 4-alkoxynaphthaldehydes

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I. Boiko

A. Ivanova