Inequivalence of substitution pairs in hydroxynaphthaldehyde: A theoretical measurement by intramolecular hydrogen bond strength, aromaticity, and excited-state intramolecular proton transfer reaction

2010 ◽  
Vol 32 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Subrata Mahanta ◽  
Bijan Kumar Paul ◽  
Rupashree Balia Singh ◽  
Nikhil Guchhait
Keyword(s):  
Hydrogen Bond ◽  
Excited State ◽  
Proton Transfer ◽  
Bond Strength ◽  
Intramolecular Hydrogen Bond ◽  
Transfer Reaction ◽  
Proton Transfer Reaction ◽  
Intramolecular Proton Transfer ◽  
Hydrogen Bond Strength ◽  
Intramolecular Hydrogen

Effects of different substituents of methyl 5-R-salicylates on the excited state intramolecular proton transfer process

2018 ◽  
Vol 20 (6) ◽  
pp. 4208-4215 ◽  
Author(s):  
Yongqing Li ◽  
Yanzhen Ma ◽  
Yunfan Yang ◽  
Wei Shi ◽  
Ruifang Lan ◽  
...  
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Transfer Process ◽  
Transfer Reaction ◽  
Proton Transfer Reaction ◽  
Intramolecular Proton Transfer ◽  
Hydroxyl Group ◽  
Highly Sensitive ◽  
Proton Transfer Process

The proton transfer reaction in methyl 5-R-salicylate is found to be highly sensitive to the presence of specific substituents in resonance with the hydroxyl group, leading to different fluorescence behaviors of methyl 5-R-salicylate with different substituents.

Intramolecular Hydrogen Bond Strength and pKaDetermination ofN,N‘-Disubstituted Imidazole-4,5-dicarboxamides

2005 ◽  
Vol 7 (1) ◽  
pp. 135-138 ◽  
Author(s):  
Jeremy R. Rush ◽  
Stacey L. Sandstrom ◽  
Jianqing Yang ◽  
Rebecca Davis ◽  
Om Prakash ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Bond Strength ◽  
Intramolecular Hydrogen Bond ◽  
Hydrogen Bond Strength ◽  
Intramolecular Hydrogen
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