ditopic receptors
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2020 ◽  
Vol 2020 (13) ◽  
pp. 1930-1940 ◽  
Author(s):  
Filipa A. Teixeira ◽  
José R. Ascenso ◽  
Peter J. Cragg ◽  
Neal Hickey ◽  
Silvano Geremia ◽  
...  


2019 ◽  
Vol 7 ◽  
Author(s):  
Alexandre S. Miranda ◽  
Defne Serbetci ◽  
Paula M. Marcos ◽  
José R. Ascenso ◽  
Mário N. Berberan-Santos ◽  
...  
Keyword(s):  


2019 ◽  
Vol 53 (4) ◽  
Author(s):  
Sharon Rosete-Luna ◽  
Felipe Medrano ◽  
Margarita I. Bernal-Uruchurtu ◽  
Carolina Godoy-Alcántar

Two bis crown ether receptors were synthesized and tested as host molecules for protonated forms of alkyl amines and amino acid esters. Molecular recognition studies were conducted in CH2Cl2:MeOH (92:8) by spectrophotometric UV/Vis titrations andby spectrometric 1H NMR titrations in CDCl3. The calculated binding constants are in the range 102-105 M-1. A high affinity for L-amino acid methyl ester derivatives was found. A theoretical study at the DFT level of the synthesized receptor and some analog ligands with three different ammonium ions helps to rationalize the experimentally found trends.



2019 ◽  
Vol 21 (3) ◽  
pp. 652-655 ◽  
Author(s):  
Kang Kang ◽  
Jessica A. Lohrman ◽  
Sangaraiah Nagarajan ◽  
Lixi Chen ◽  
Pengchi Deng ◽  
...  


2017 ◽  
Vol 46 (10) ◽  
pp. 3192-3206 ◽  
Author(s):  
Israel Carreira-Barral ◽  
Marta Mato-Iglesias ◽  
Andrés de Blas ◽  
Carlos Platas-Iglesias ◽  
Peter A. Tasker ◽  
...  

Ditopic receptors containing a macrocyclic cyclen unit and a urea moiety provide selective recognition of first-row divalent metal salts.



2016 ◽  
Vol 45 (39) ◽  
pp. 15557-15564 ◽  
Author(s):  
Dominika Załubiniak ◽  
Maciej Zakrzewski ◽  
Piotr Piątek

Working in concert cation and anion binding domains of ditopic receptors based on 2,2-bis-(aminomethyl)-propionic acid allow for highly effective complexation of sodium salts of chloride, bromide and nitrate.



2015 ◽  
Vol 123 ◽  
pp. 204-211 ◽  
Author(s):  
Chatthai Kaewtong ◽  
Buncha Pulpoka ◽  
Thawatchai Tuntulani


2015 ◽  
Vol 13 (4) ◽  
pp. 1141-1149 ◽  
Author(s):  
Manda Bhaskar Reddy ◽  
Myadaraboina Shailaja ◽  
Alla Manjula ◽  
Joseph Richard Premkumar ◽  
Garikapati Narahari Sastry ◽  
...  

The host–guest interaction between flexible ditopic receptors and bisammonium ion has been investigated experimentally and computationally. The conformation folding of guest bisammonium ion molecules leads to the oscillation of the host–guest interaction.



RSC Advances ◽  
2014 ◽  
Vol 4 (93) ◽  
pp. 51486-51495 ◽  
Author(s):  
Swapan Dey ◽  
Dibyendu Sain ◽  
Ashish Kumar ◽  
Chanda Kumari

Three ditopic-abiotic receptors (R1, R2 and R3) have been designed and synthesised. The receptors have been applied for the recognition of dicarboxylic acids viz. malonic, succinic, glutaric and adipic acids. Among them, succinic acid shows the highest binding efficiency to all receptors. Recognition of succinic acid is very important due to its various adverse effects on human health upon prolonged exposure.



2013 ◽  
Vol 19 (35) ◽  
pp. 11742-11752 ◽  
Author(s):  
Oscar Francesconi ◽  
Cristina Nativi ◽  
Gabriele Gabrielli ◽  
Matteo Gentili ◽  
Marco Palchetti ◽  
...  


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