Synthesis and Characterization of New Quinoline Bounded Pentamethine Cyanine Dyes

A Mehranpour, S Hashemnia, F Azamifar… - Organic Preparations …, 2020 - Taylor & Francis
Cyanine (polymethine) dyes belong to a group of organic compounds which have a large
conjugated p-system. A typical polymethine dye molecule consists of 2 nitrogencontaining …

[PDF][PDF] Synthesis of different classes of five/six membered heterocyclic cyanine dyes: A review

HA Shindy - Chemistry International, 2020 - academia.edu
Much and much attention and have been paid to the chemistry of cyanine dyes (Shindy,
2014; Shindy, 2015; shindy, 2015a; Shindy, 2012; Yagupolski et al., 2008; Volkova et al …

Thiazoline and thiazoloxazole in synthesis of novel meso-substituted mono-, tri-, and hepta-methine cyanine dyes

RM Abd El-Aal - Dyes and pigments, 2004 - Elsevier
2-Cyanomethylene (2-ethoxy carbonylmethylene)-4, 5-dihydrothiazolin-4-one 1a, b and 2-
cyanomethylene (2-ethoxy carbonylmethylene)-4, 5-dihydrothiazolo [3, 2-a] oxazole 3a, b …

A novel general method for preparation of neutral monomethine cyanine dyes

T Deligeorgiev, S Kaloyanova, A Vasilev - Dyes and Pigments, 2011 - Elsevier
Two novel general experimental procedures for preparation of neutral monomethine
cyanine dyes without using a basic agent have been developed. The procedures allow …

Synthesis and characterization of new γ-substituted pentamethine cyanine dyes

AM Mehranpour, S Hashemnia… - Synthetic …, 2010 - Taylor & Francis
Three novel pentamethine cyanine dyes with 3, 5-dimethylpyridinium-1-yl and 4-
benzylpyridinium-1-yl substituents in γ position of the methine chain were synthesized via a …

Research Progress in the Synthesis of Polymethine Chain Modified Cyanine Dyes

G Li, Z Yanyan, M Yongbao, F Kaisen… - Chinese Journal of …, 2023 - sioc-journal.cn
Among small molecule fluorescent probes, cyanine dyes have been widely used in imaging
and biosensing fields due to their good optical properties. Functionalization of the …

Synthesis and characterization of γ‐Heteroaryl‐substituted pentamethine cyanine dyes with carboxy or methoxycarbonyl substituents at the two heterocyclic end …

AM Mehranpour, S Hashemnia… - Journal of Heterocyclic …, 2014 - Wiley Online Library
Seven novel pentamethine cyanine dyes with 3, 5‐dimethylpyridinium‐1‐yl, pyridinium‐1‐yl,
and 1‐quinolinum‐1‐yl substituents in the γ position of the methine chain containing ester or …

Benzo [g] quinoline heterocyclic derivative as a typical precursor in the synthesis of new class of cyanine-like dyes

MM Gomaa, NS El-Deen, NA El-Kanzi - European Journal of …, 2012 - eurjchem.com
New unsymmetrical cyanine-like dyes have been synthesized including monomethine,
dimethine, and tetramethine, containing heterocyclic quinone of benzo [g] quinoline …

Synthesis and characterisation of monomethine cyanine dyes based on N‐bridgehead heterocycles

RMA El‐Aal, AIM Koraiem… - Coloration technology, 2005 - Wiley Online Library
In this paper, the synthesis and spectral properties of novel asymmetrical and symmetrical
monomethine cyanine dyes are described. Reaction of phenylpyrazolones and oxazolones …

A novel method for the preparation of monomethine cyanine dyes

TG Deligeorgiev, DA Zaneva, HE Katerinopoulos… - Dyes and …, 1999 - Elsevier
A novel method for the preparation of symmetric and asymmetric monomethine cyanine
dyes was developed. Quaternary salts of a heterocyclic 2-or 4-methyl compound and N …