Results 51 to 60 of about 5,534 (160)

Host-Guest Complexations of Amine Boranes and Isoelectronic/Isostructural Quaternary Alkylammonium Cations by Cucurbit[7]uril in Aqueous Solution

Heteroatom Chemistry, 2019
The host-guest complexation of six amine boranes (R3NBH3) by the macrocyclic host molecule cucurbit[7]uril (CB[7]) in aqueous solution has been investigated using 1H and 11B NMR spectroscopy.
Mona A. Gamal-Eldin, Donal H. Macartney
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Responsive pillar[n]arene materials

Responsive Materials
Intelligent materials with responsive behaviors toward external stimuli, such as light, temperature, pH, redox, and solvent have been increasingly fascinating.
De‐Hui Tuo, Tan‐Hao Shi, Shunsuke Ohtani, Tomoki Ogoshi   +3 more
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A new, deep quinoxaline-based cavitand receptor for the complexation of benzene

Acta Crystallographica Section E: Crystallographic Communications, 2019
We report the synthesis of a new macrocyclic receptor, namely 2,8,14,20-tetrahexyl-4,24:6,10:12,16:18,22-O,O′-tetrakis[2,3-dihydro-[1,4]dioxino[2,3-g]quinoxalin-7,8-diyl]resorcin[4]arene, DeepQxCav, obtained by the addition of ethylene glycol ditosylate ...
Roberta Pinalli, Jakub W. Trzciński, Enrico Dalcanale, Chiara Massera   +3 more
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Bambus[6]uril as a Novel Macrocyclic Receptor for the Nitrate Anion

Acta Chimica Slovenica, 2013
By using quantum mechanical DFT calculations, the most probable structure of the bambus[6]uril x NO3(-) anionic complex species was derived. In this complex having C3 symmetry, the nitrate anion NO3(-), included in the macrocyclic cavity, is bound by ...
Petr Toman, Emanuel Makrlík, Petr Vanura   +2 more
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Gold(III) Complexes with 18-Crown-6, 1-Aza-18-Crown-6, and Cryptands 22 and 222: Stability and Structure

Inorganics
The growing demand for gold in various high-technology applications necessitates the development of efficient and selective methods for its recovery and analysis, which can be achieved using such macrocyclic ligands as crown esters and their aza ...
Daniil N. Yarullin, Olga I. Logacheva, Viktor V. Aleksandriiskii, Maksim N. Zavalishin, George A. Gamov   +4 more
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Biocompatibility of cucurbit[n]urils

Chimica Techno Acta
This review considers the biological properties of nitrogen-containing macrocyclic glycoluryl derivatives – cucurbit[n]urils (CB[n]). Currently, the use of biomaterials that come into contact with the internal environment of the body is widespread in ...
Dmitry A. Fedorishin, Sedigheh Mousanezhad, Shohreh Mashayekhan, Yelena G. Shapovalova, Irina A. Kurzina, Abdigali A. Bakibaev   +5 more
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Functional Supramolecular Aggregates From Cavitands Based on Resorcin[4]Arene: Assembly and Applications

Aggregate
Supramolecular aggregates, formed through the highly directional and reversible noncovalent assembly of building blocks, represent a cornerstone of modern materials science, enabling the creation of complex architectures with emergent properties.
Yu‐Jie Zhu, Guang‐Yu An, Yang Yu
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Crystal structure of di-μ-chloroacetato-hexakis(dimethylformamide)tetrakis(μ-N,2-dioxidobenzene-1-carboximidato)tetramanganese(III)disodium dimethylformamide disolvate

Acta Crystallographica Section E, 2014
The synthesis, crystal structure, and FT–IR data for the title compound, [Na2Mn4(C2H2ClO2)2(C7H4NO3)4(C3H7NO)6]·2C3H7NO or Na2(O2CCH2Cl)2[12-MCMnIIIN(shi)-4](DMF)6·2DMF, where MC is metallacrown, shi3− is salicylhydroximate, and DMF is N,N ...
Connor I. Daly, Matthias Zeller, Curtis M. Zaleski   +2 more
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Substrate‐Selective Capture by Host‐Stabilized Charge Transfer: Macrocyclic‐Confined Supramolecular Photocatalyst in Aqueous Media

Aggregate
The rational design of aqueous‐phase supramolecular catalysts that integrate substrate recognition, activation, reaction selectivity, and recyclability remains a significant challenge.
Yi Luo, Yuxin Li, Ting Chang, Xin‐long Ni   +3 more
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Synthesis and Characterization of Amido-Thiourea Based p-tert-butylcalix[4]arene Compound and Investigation of Transition Metal Complex Properties

Düzce Üniversitesi Bilim ve Teknoloji Dergisi
In host-guest complexes, the compatibility of the size and shape of the host cavity and the guest molecule is essential in the formation of the host-guest complex.
Sevil Söyleyici
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