Substituent effects in the electropolymerization of aromatic heterocyclic compounds

1984 ◽  
Vol 88 (19) ◽  
pp. 4343-4346 ◽  
Author(s):  
Robert J. Waltman ◽  
A. F. Diaz ◽  
Joachim Bargon
Keyword(s):  
Heterocyclic Compounds ◽  
Substituent Effects ◽  
Aromatic Heterocyclic

scholarly journals Bicyclic 1,3a,6a-Triazapentalene Chromophores: Synthesis, Spectroscopy and Their Use as Fluorescent Sensors and Probes

Chemosensors ◽  
2021 ◽  
Vol 9 (1) ◽  
pp. 16
Author(s):  
Yingchun Wang ◽  
Tomas Opsomer ◽  
Wim Dehaen
Keyword(s):  
Stokes Shift ◽  
Substituent Effects ◽  
Visible Spectrum ◽  
Fluorescent Sensors ◽  
Biological Imaging ◽  
Fluorescent Imaging ◽  
Fluorescence Properties ◽  
Imaging Probes ◽  
Synthetic Methodologies ◽  
Aromatic Heterocyclic

The 1,3a,6a-triazapentalene (TAP) is an aromatic heterocyclic fluorescent dye with interesting features such as its small size, large Stokes shift, solvatochromism, and emission wavelengths that are spread across the visible spectrum. TAPs have been synthesized via different synthetic strategies involving click−cyclization−aromatization domino reactions, gold-catalyzed cyclization of propargyl triazoles or triazolization of acetophenones. As a result, TAPs with diverse substitution patterns were obtained, showing varying fluorescence properties. Based on these properties, several TAPs have been selected and studied as fluorescent imaging probes in living cells and as sensors. This mini review provides an overview of the research on the bicyclic TAPs and does not comment on the literature about benzo or otherwise fused systems. The synthetic methodologies for the preparation of TAPs, the substituent effects on the fluorescence properties, and the behavior of the TAP core as an element of biological imaging probes and sensors are discussed.

scholarly journals Polarization of Aromatic Heterocyclic Compounds. CVII

1955 ◽  
Vol 75 (2) ◽  
pp. 213-214 ◽  
Author(s):  
Eiji Ochiai ◽  
Tetsuo Yokokawa
Keyword(s):  
Heterocyclic Compounds ◽  
Aromatic Heterocyclic
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