Anion Recognition through Multivalent C–H Hydrogen Bonds: Anion-Induced Foldamer Formation and Transport across Phospholipid Membranes

2021 ◽  
Author(s):  
Debashis Mondal ◽  
Manzoor Ahmad ◽  
Prakash Panwaria ◽  
Avisikta Upadhyay ◽  
Pinaki Talukdar
Keyword(s):  
Hydrogen Bonds ◽  
Anion Recognition ◽  
Phospholipid Membranes

scholarly journals Synthesis of per(5-N-carboxamide-5-dehydroxylmethyl)-β-cyclodextrins and their selective recognition ability utilizing multiple hydrogen bonds

2019 ◽  
Vol 55 (27) ◽  
pp. 3872-3875 ◽  
Author(s):  
Takashi Nakamura ◽  
Sota Yonemura ◽  
Tatsuya Nabeshima
Keyword(s):  
Hydrogen Bonds ◽  
Functional Groups ◽  
Anion Recognition ◽  
Binding Mode ◽  
Selective Recognition ◽  
Recognition Ability ◽  
Multiple Hydrogen Bonds

An amide cyclodextrin with anion recognition ability exhibits unique binding mode in which unsymmetrically arranged functional groups play distinctive roles.

NBO Analysis the Chlorine Anion Recognition Mechanism of the Urea-Based Involving Iodine and Fluorine Derivation Functional Molecular Material

2013 ◽  
Vol 634-638 ◽  
pp. 15-19
Author(s):  
Yan Zhi Liu ◽  
Yan Liu ◽  
Kun Yuan ◽  
Yuan Cheng Zhu
Keyword(s):  
Hydrogen Bonds ◽  
Anion Recognition ◽  
Blue Shift ◽  
Nbo Analysis ◽  
Basis Set ◽  
Halogen Bonds ◽  
Orbital Theory ◽  
Recognition Mechanism ◽  
Chlorine Anion ◽  
B3lyp Method

The recognition mechanism of the urea-based non-involving fluorine (A) and involving fluorine (B) derivation receptors for the chlorine anion (Cl-) was discussed by using the density function B3LYP method. The results showed that recognition mechanism was performed by using four coordination weak bonds, which include two N-H…Cl hydrogen bonds and two C-I…Cl halogen bonds. The calculated interaction energies (ΔECP) with basis set super-position error (BSSE) correction of the two systems are -121.78 and -179.71 kJ•mol-1, respectively. So, the urea-based involving fluorine derivation receptor (B) presents the better recognition capable for the Cl-. Natural bond orbital theory (NBO) analysis has been used to investigate the electronic behavior and property of the N-H…Cl hydrogen bonds and two blue-shift C-I…Cl halogen bonds in the A…Cl- and B…Cl- recognition systems, respectively.

scholarly journals Supramolecular anion recognition in water: synthesis of hydrogen-bonded supramolecular frameworks

2017 ◽  
Vol 8 (4) ◽  
pp. 3019-3025 ◽  
Author(s):  
Mahbod Morshedi ◽  
Michael Thomas ◽  
Andrew Tarzia ◽  
Christian J. Doonan ◽  
Nicholas G. White
Keyword(s):  
Hydrogen Bonds ◽  
Anion Recognition ◽  
Supramolecular Framework ◽  
Hydrogen Bonded

Charge-assisted hydrogen bonds between a tetratopic receptor and terephthalate anions assemble a switchable supramolecular framework material in water.

A preorganized macrocycle based on a bicyclic guanidinium subunit with six convergent hydrogen bonds for anion recognition

1998 ◽  
Vol 39 (9) ◽  
pp. 1033-1036 ◽  
Author(s):  
Victoria Alcázar ◽  
Margot Segura ◽  
Pilar Prados ◽  
Javier de Mendoza
Keyword(s):  
Hydrogen Bonds ◽  
Anion Recognition

The synthesis of two novel neutral receptors and their anion binding properties

2004 ◽  
Vol 82 (3) ◽  
pp. 454-460 ◽  
Author(s):  
Zhen-Ya Zeng ◽  
Yong-Bing He ◽  
Lan-Hua Wei ◽  
Jin-Long Wu ◽  
Yan-Yan Huang ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Nmr Spectroscopy ◽  
Hydrogen Bonds ◽  
Color Change ◽  
Anion Recognition ◽  
Association Constants ◽  
Anion Binding ◽  
Binding Properties ◽  
Pale Yellow ◽  
H Nmr

Two new neutral receptors (1 and 2) containing thiourea and amide groups were synthesized by simple steps in good yields. The binding properties of 1 and 2 with anions were examined by UV–vis, fluorescence, and 1H NMR spectroscopy. Receptor 1 had a better AcO–: H2PO4– selectivity in comparison with that for receptor 2. The association constants of 1·AcO–, 2·AcO–, and 2·H2PO4– were higher in comparison with those of other anions (Cl–, Br–, I–, p-NO2PhO–, and p-NO2PhOPO32–). In particular, a clear color change was observed, from pale yellow to red-brown, upon addition of AcO– to the solution of 1 in DMSO. The UV–vis and fluorescence data indicate that a 1:1 stoichiometry complex is formed between compound 1 or 2 and anions through hydrogen-bonding interactions.Key words: neutral receptors, anion recognition, synthesis, hydrogen bonds.

scholarly journals The road to aryl CH⋯anion binding was paved with good intentions: fundamental studies, host design, and historical perspectives in CH hydrogen bonding

2019 ◽  
Vol 55 (36) ◽  
pp. 5195-5206 ◽  
Author(s):  
Lisa M. Eytel ◽  
Hazel A. Fargher ◽  
Michael M. Haley ◽  
Darren W. Johnson
Keyword(s):  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Anion Recognition ◽  
Anion Binding ◽  
Feature Article ◽  
The Road ◽  
Historical Perspectives

This feature article highlights recent approaches to anion recognition with a focus on aryl CH hydrogen bonds.

Use of molecular overlap to predict intermolecular repulsion in N... H-O hydrogen bonds

1998 ◽  
Vol 95 (3) ◽  
pp. 525-537 ◽  
Author(s):  
I. NOBELI S. L. PRICE R. J. WHEATLEY
Keyword(s):  
Hydrogen Bonds

On symmetrical O-H-O hydrogen bonds

1964 ◽  
Vol 25 (5) ◽  
pp. 487-492 ◽  
Author(s):  
R.E. Rundle
Keyword(s):  
Hydrogen Bonds
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