Roles of Viscosity, Polarity, and Hydrogen-Bonding Ability of a Pyrrolidinium Ionic Liquid and Its Binary Mixtures in the Photophysics and Rotational Dynamics of the Potent Excited-State Intramolecular Proton-Transfer Probe 2,2′-Bipyridine-3,3′-diol

2013 ◽  
Vol 117 (22) ◽  
pp. 6789-6800 ◽  
Author(s):  
Sarthak Mandal ◽  
Surajit Ghosh ◽  
Chiranjib Banerjee ◽  
Jagannath Kuchlyan ◽  
Nilmoni Sarkar
Keyword(s):  
Ionic Liquid ◽  
Hydrogen Bonding ◽  
Excited State ◽  
Proton Transfer ◽  
Binary Mixtures ◽  
Intramolecular Proton Transfer ◽  
Rotational Dynamics ◽  
Pyrrolidinium Ionic Liquid

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...

New six- and seven-membered ring pyrrole–pyridine hydrogen bond systems undergoing excited-state intramolecular proton transfer

2014 ◽  
Vol 50 (95) ◽  
pp. 15026-15029 ◽  
Author(s):  
Zhiyun Zhang ◽  
Yen-Hao Hsu ◽  
Yi-An Chen ◽  
Chi-Lin Chen ◽  
Tzu-Chieh Lin ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonding ◽  
Excited State ◽  
Proton Transfer ◽  
Reaction Dynamics ◽  
Intramolecular Proton Transfer ◽  
Membered Ring ◽  
Bonding Systems

The six- and seven-membered ring pyrrole–pyridine hydrogen bonding systems are developed, which undergo excited-state intramolecular proton transfer with distinct reaction dynamics.

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