Tuning the excited-state intramolecular proton transfer (ESIPT) process of indole–pyrrole systems by π-conjugation and substitution effects: experimental and computational studies

2020 ◽  
Vol 22 (3) ◽  
pp. 1409-1415 ◽  
Author(s):  
Nuonuo Zhang ◽  
Tingting Zhang ◽  
Liu Wen ◽  
Long Wang ◽  
Jiaying Yan ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Excited State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Substitution Effects ◽  
Computational Studies

A series of amino (NH)-type hydrogen-bonding (H-bonding) compounds, BNDAB-1–4, containing π-enlarged indole and β-ethoxycarbonyl-substituted pyrrole units were designed and synthesized.

Pyridine-hydrazone-controlled cyanide detection in aqueous media and solid-state: tuning the excited-state intramolecular proton transfer (ESIPT) fluorescence modulated by intramolecular NH⋯Br hydrogen bonding

The Analyst ◽  
2020 ◽  
Vol 145 (3) ◽  
pp. 1062-1068 ◽  
Author(s):  
Caihui Rao ◽  
Zhichao Wang ◽  
Zheyao Li ◽  
Lu Chen ◽  
Chao Fu ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Excited State ◽  
Solid State ◽  
Proton Transfer ◽  
Aqueous Media ◽  
Intramolecular Proton Transfer ◽  
Fluorescent Chemosensor ◽  
Aqueous Environments ◽  
Cyanide Sensing

A new efficient pyridine-hydrazone-substituted naphthalimide receptor 4a-E has been synthesized as a selective colorimetric and fluorescent chemosensor for cyanide sensing in aqueous environments through a unique ESIPT mechanism.

Molecular Design of Amino-type Hydrogen-Bonding Molecules for Excited-State Intramolecular Proton Transfer (ESIPT)-based Fluorescent Probe using TD-DFT Approach

2021 ◽  
Author(s):  
Narissa Kanlayakan ◽  
Nawee Kungwan
Keyword(s):  
Hydrogen Bonding ◽  
Excited State ◽  
Proton Transfer ◽  
Fluorescent Probe ◽  
Fluorescent Probes ◽  
Molecular Design ◽  
Intramolecular Proton Transfer ◽  
Proton Donor ◽  
Molecular Screening ◽  
Td Dft

A molecular screening for fluorescent probes harnessing excited-stated intramolecular proton transfer (ESIPT) of NH-type molecules having aminophenyl or tosylaminophenyl as a proton donor and benzimidazole, benzoxazole, benzothiazole, or imidazo[1,2-a]pyridine as...

Excited state intramolecular proton transfer in julolidine derivatives: an ab initio study

2018 ◽  
Vol 20 (38) ◽  
pp. 25031-25038 ◽  
Author(s):  
Šimon Budzák ◽  
Denis Jacquemin
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Ab Initio ◽  
Intramolecular Proton Transfer ◽  
Substitution Effects ◽  
Ab Initio Study

We have studied, using ab initio tools, a series of fluorescent julolidine derivatives, undergoing Excited State Intramolecular Proton Transfer (ESIPT) and some unexpected substitution effects have been found.

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