Excited State Intramolecular Proton Transfer in Schiff Bases. Decay of the Locally Excited Enol State Observed by Femtosecond Resolved Fluorescence

2007 ◽  
Vol 111 (28) ◽  
pp. 6241-6247 ◽  
Author(s):  
William Rodríguez-Córdoba ◽  
Jimena S. Zugazagoitia ◽  
Elisa Collado-Fregoso ◽  
Jorge Peon
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Schiff Bases ◽  
Intramolecular Proton Transfer ◽  
Locally Excited

scholarly journals Substitution pattern on anthrol carbaldehydes: excited state intramolecular proton transfer (ESIPT) with a lack of phototautomer fluorescence

2017 ◽  
Vol 19 (41) ◽  
pp. 28439-28449 ◽  
Author(s):  
S. Chaiwongwattana ◽  
Đ. Škalamera ◽  
N. Došlić ◽  
C. Bohne ◽  
N. Basarić
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Excited States ◽  
Intramolecular Proton Transfer ◽  
Dual Emission ◽  
Substitution Pattern ◽  
Locally Excited

Experiments and computations reveal that 1,2-disubstituted anthrol carbaldehydes are not ESIPT reactive, whereas 2,3-disubstituted anthrols undergo efficient barrierless ultrafast ESIPT, where the typical dual emission from locally excited states and tautomers was not observed.

From fluorogen to fluorophore by elucidation and suppression of ultrafast excited state processes of a Schiff base

2021 ◽  
Author(s):  
Souradip Dasgupta ◽  
Shrobona Banerjee ◽  
Sharmistha Das ◽  
Anindya Datta
Keyword(s):  
Schiff Base ◽  
Excited State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Locally Excited

Strategies have been explored for developing strongly fluorescent species out of a weakly fluorescent Schiff base, 2-(((pyridin-2-ylmethyl)imino)methyl)phenol (salampy). The locally excited enolic state of salampy undergoes an intramolecular proton transfer...

scholarly journals An enhanced sampling QM/AMOEBA approach: The case of the excited state intramolecular proton transfer in solvated 3-hydroxyflavone

2021 ◽  
Vol 154 (18) ◽  
pp. 184107
Author(s):  
Michele Nottoli ◽  
Mattia Bondanza ◽  
Filippo Lipparini ◽  
Benedetta Mennucci
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Enhanced Sampling

scholarly journals The development of aryl-substituted 2-phenylimidazo[1,2-a]pyridines (PIP) with various colors of excited-state intramolecular proton transfer (ESIPT) luminescence in the solid state

2016 ◽  
Vol 4 (16) ◽  
pp. 3599-3606 ◽  
Author(s):  
Toshiki Mutai ◽  
Tatsuya Ohkawa ◽  
Hideaki Shono ◽  
Koji Araki
Keyword(s):  
Excited State ◽  
Solid State ◽  
Proton Transfer ◽  
Intramolecular Proton Transfer ◽  
Aryl Group ◽  
Red Emission ◽  
Wide Range

The color of ESIPT luminescence of HPIP is tuned in a wide range by the introduction of aryl group(s), and thus a series of PIPs showing blue to red emission is realized.

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