Anion binding with urea and thiourea derivatives

VB Bregović, N Basarić - Coordination chemistry reviews, 2015 - Elsevier
The importance of anion receptors is a reflection of the ubiquitousness of anions, their
functions in biological and industrial processes, as well as their behaviour as pollutants. In …

Anion coordinated capsules and pseudocapsules of tripodal amide, urea and thiourea scaffolds

SK Dey, A Basu, R Chutia, G Das - RSC advances, 2016 - pubs.rsc.org
This review aims to deliver a detailed and comparative account of the reported examples of
anion (halide and oxyanions) coordinated capsules and pseudocapsules of tripodal …

Electroactive anion receptor with high affinity for arsenate

SI Etkind, DA Vander Griend… - The Journal of Organic …, 2020 - ACS Publications
Herein, we present the synthesis and characterization of a macrocyclic polyamide cage that
incorporates redox-active 1, 4-dithiin units. UV/vis titration experiments with eight anions in …

Selective recognition and extraction of arsenate by a urea-functionalized tripodal receptor from competitive aqueous media

SK Dey, B Gil-Hernández, VV Gobre, D Woschko… - Dalton …, 2022 - pubs.rsc.org
A second-generation hydrogen bond donor (HBD) anion receptor with an inner amide cavity
and an outer urea cavity can selectively and efficiently extract arsenate (AsO43−) from water …

Recent developments in anion induced capsular self-assemblies

R Dutta, P Ghosh - Chemical Communications, 2014 - pubs.rsc.org
This Feature Article covers recent developments in anion induced capsular self-assemblies,
with particular focus on important reports from 2011 to 2013. Contemporary studies on the …

Systematic size mediated trapping of anions of varied dimensionality within a dimeric capsular assembly of a flexible neutral bis-urea platform

U Manna, S Kayal, B Nayak, G Das - Dalton Transactions, 2017 - pubs.rsc.org
A rationally designed ortho-phenylenediamine based trifluoromethyl meta-disubstituted bis-
urea receptor (L) exhibits effective, consistent and systematic binding in its neutral form …

Incarceration of one or two phosphate or arsenate species within nanojars, capped nanojars and nanohelicages: Helical chirality from two closely-spaced, head-to …

G Mezei - Chemical Communications, 2015 - pubs.rsc.org
Incarceration of one or two phosphate or arsenate species within nanojars, capped nanojars
and nanohelicages: helical chirality from two closely-space ... - Chemical Communications (RSC …

Aerial CO2 Trapped as CO32– Ions in a Dimeric Capsule That Efficiently Extracts Chromate, Sulfate, and Thiosulfate from Water by Anion‐Exchange Metathesis

R Dutta, S Chakraborty, P Bose… - European Journal of …, 2014 - Wiley Online Library
Abstract The tris (2‐aminoethyl) amine‐based (tren‐based) 3‐cyanophenyl‐substituted
tripodal urea L1, one of the familiar urea‐based anion receptors, has shown encapsulation …

Molecular recognition and scavenging of arsenate from aqueous solution using dimetallic receptors

CD Moffat, DJ Weiss, A Shivalingam… - … A European Journal, 2014 - Wiley Online Library
A series of copper (II), nickel (II) and zinc (II) dimetallic complexes were prepared and their
affinities towards arsenate investigated. Indicator displacement assays (IDAs) were carried …

The effect of urea moiety in amino acid binding by β-cyclodextrin derivatives: A 1000-fold increase in efficacy comparing to native β-cyclodextrin

P Stepniak, B Lainer, K Chmurski, J Jurczak - Carbohydrate polymers, 2017 - Elsevier
Water soluble amphiphilic anion receptors based on urea-substituted β-cyclodextrin were
synthesized via a copper (I) mediated azide-alkyne coupling reaction. The synthetic route …