The smallest crown ether still capable of binding cations is 8-crown-4, with the largest experimentally confirmed crown ether ... Crown ethers are much broader than the oligomers of ethylene oxide; an important group are derived from catechol. Crown ethers ... Aza-crown ether Thia-crown ether Cryptand Metallacrown van der Ham, Alex; Hansen, Thomas; Lodder, Gerrit; Codée, Jeroen D. C.; ... "crown" refers to the resemblance between the structure of a crown ether bound to a cation, and a crown sitting on a persons ...
Abstract: K18.00005 : Origins of cation-cation selectivity in crown ether-functionalized polymer membranes*. 4:12 PM-4:24 PM ... In this work, we assess how incorporating crown ethers, which form host-guest complexes with monovalent cations, into poly( ... For the case of a 12-Crown-4-functionalized membrane, atomistic molecular dynamics simulations reveal a strong coupling between ...
crown ether. based molecular recognition X. Yan, D. Xu, J. Chen, M. Zhang, B. Hu, Y. Yu and F. Huang, Polym. Chem., 2013, 4, ... A self-healing supramolecular polymer gel with stimuli-responsiveness constructed by crown ether based molecular recognition† ...
Ion pair recognition by ditopic crown ether based bis-urea and uranyl salophen receptors. ... kruunueetterit uranyylisalofeenit supramolecular chemistry ditopic receptors ion pair binding anion binding crown ethers urea ...
Thermodynamic Analysis of Allosteric and Chelate Cooperativity in Di- and Trivalent Ammonium/Crown-Ether Pseudorotaxanes. K. ... Thermodynamic Analysis of Allosteric and Chelate Cooperativity in Di- and Trivalent Ammonium/Crown-Ether Pseudorotaxanes ... Thermodynamic Analysis of Allosteric and Chelate Cooperativity in Di- and Trivalent Ammonium/Crown-Ether Pseudorotaxanes ... A detailed thermodynamic analysis of the axle-wheel binding in di- and trivalent secondary ammonium/[24]crown-8 pseudorotaxanes ...
The cationic recognition of fluoroionophore crown ethers which possess at least two molecular components with sites that ... The recent studies an the cation recognition of fluorophore macrocyclic ethers are exemplified and discussed in the present ...
"Crown Ethers" by people in this website by year, and whether "Crown Ethers" was a major or minor topic of these publications. ... "Crown Ethers" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH (Medical Subject ... Below are the most recent publications written about "Crown Ethers" by people in Profiles. ... Below are MeSH descriptors whose meaning is more general than "Crown Ethers". ...
BY CROWN ETHER: INSIGHTS FROM DENSITY FUNCTIONAL CALCULATION ... EXTRACTION OF STRONTIUM(II) BY CROWN ETHER: INSIGHTS FROM ... The structures, energetic and thermodynamic parameters of crown ethers with different cavity size, electron donating/ ... core potentials was used together with the accompanying SDD basis set for Sr2+ and DZP basis set was used for crown ether atoms ... and thermodynamics parameters in gas phase are reduced in solvent phase as the solvent molecules weaken the metal-crown ether ...
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... for which the crown ether shows a strong affinity. Acting as an automobile, the crown ether assembles at the perovskite films ... As an added benefit, the crown ether also aids bind lead ions, decreasing their release right into the setting. ... Crown ethers improve perovskite solar cell security. Jun 26, 2021 12:06 PM ET ... the technique involves making use of a participant of the crown ethers, a family members of cyclic substances whose ring-like ...
Ammonium ion binding with pyridine-containing crown ethers. Ammonium ion binding with pyridine-containing crown ethers, (T. ...
Di-tert-butyldibenzo-18-crown-6 [29471-17-8], Lab scale, 95.0%min, White solid, Standing Stock, Competitive Price and Quality. ... Chemical name: 4′,4"(5")-di-tert-butyldibenzo-18-crown-6. Synonyms: Di-tert-butyldibenzo-18-crown-6. CAS No.: 29471-17-8. ... Home / Crown Ethers / Di-tert-butyldibenzo-18-crown-6 [29471-17-8]. ... like crown ether series), boronic acid derivatives, silane series and electronic chemicals, as well as accumulating rich ...
The reaction of hydroxy-substituted benzo-15(18)-crown-5(6) ether or benzo-18-crown-6 ether with β-phenylcinnamaldehyde in the ... N2 - The reaction of hydroxy-substituted benzo-15(18)-crown-5(6) ether or benzo-18-crown-6 ether with β-phenylcinnamaldehyde in ... AB - The reaction of hydroxy-substituted benzo-15(18)-crown-5(6) ether or benzo-18-crown-6 ether with β-phenylcinnamaldehyde in ... abstract = "The reaction of hydroxy-substituted benzo-15(18)-crown-5(6) ether or benzo-18-crown-6 ether with β- ...
Article: Cation- and Solvent-Induced Supramolecular Aggregation Studies of Crown Ether-Containing Dinuclear Alkynylgold(I) ... Cation- and Solvent-Induced Supramolecular Aggregation Studies of Crown Ether-Containing Dinuclear Alkynylgold(I) Isocyanide ... Cation- and Solvent-Induced Supramolecular Aggregation Studies of Crown Ether-Containing Dinuclear Alkynylgold(I) Isocyanide ...
... ether could barely dream of challenging its big brother bitcoin. Now, its ambitions may be becoming more realistic. ... Cryptoverse: Ether snaps at bitcoins heels in race for crypto crown .content_detail p img{width: auto; width: auto; max-width ... Ether, on the other hand, has climbed to 20.5% from 16%.. The upstart is still a long way from overtaking bitcoin as the No.1 ... Bitcoin and ether have both nearly halved this year on concerns about supersized interest rate hikes from central banks. ...
Also synthesized are bis(crown ether) diesters with two dibenzo-16-crown-5 or two dicyclohexano-16-crown-5 units and two ester ... Also synthesized are bis(crown ether) diesters with two dibenzo-16-crown-5 or two dicyclohexano-16-crown-5 units and two ester ... Also synthesized are bis(crown ether) diesters with two dibenzo-16-crown-5 or two dicyclohexano-16-crown-5 units and two ester ... Also synthesized are bis(crown ether) diesters with two dibenzo-16-crown-5 or two dicyclohexano-16-crown-5 units and two ester ...
Dications Stabilized by Azamacrocycles and Crown Ethers". Angewandte Chemie. 121 (28): 5254-5256. Bibcode:2009AngCh.121.5254C. ...
The crown ether unit is dibenzo-18-crown-6, dibenzo-21-crown-7, dibenzo-24-crown-8, or dibenzo-30-crown-10; the aliphatic ... in the main chain crown ethers alternating with oxyindole fragments were prepared by one-pot condensation of crown ethers with ... DSC and X-ray studies of the polymers with "symmetrical" crown ethers reveal the presence of the endotherms corresponding to ... Film-forming polymers containing in the main-chain dibenzo crown ethers with aliphatic (C-10-C-16), aliphatic-aromatic, or ...
Polyacrylonitrile/Crown Ether Composite Nanofibres With High Efficiency for Adsorbing Li(I): Experiments and Theoretical ... The results indicated that in crown ether, O in epoxy groups was coordinated with Li(I) to form Li-O and four O atoms in the ... The nanofibres containing crown ether synthesised by chemical grafting and electrospinning have the potential to be used in ... DataSheet1_Polyacrylonitrile/Crown Ether Composite Nanofibres With High Efficiency for Adsorbing Li(I): Experiments and ...
Crystals of the first new organo-inorganic hybrid borate based on potassium crown ether complex, [K(C 12 H 24 O 6 )B 5 O 6 (OH ... The structure of 1 consists of molecular [K(C 12 H 24 O 6 )B 5 O 6 (OH) 4 ] 0 complexes, common for crown ether complexes but ... Crown ether complexes as a possible template for hybrid organic-inorganic borates. ... Perspectives of borate structures containing crown ether complexes as templates are briefly outlined. ...
Crown ether (CE) is a doughnut-shaped molecule that selectively confines an ion inside the vacancy of the doughnut. The ion ... Research Topic: Revealing the principles of ion selectivity of crown ethers by cutting-edge molecular spectroscopy. ...
Dive into the research topics of Sol-gel synthesis of amorphous five-component oxide systems using crown ether complexation: ... Sol-gel synthesis of amorphous five-component oxide systems using crown ether complexation: ZBLAN gels. ...
Li, C, Law, GL & Wong, WT 2004, Luminescent Tb3+ complex with pendant crown ether showing dual-component recognition of H+ and ... Li, C., Law, G. L., & Wong, W. T. (2004). Luminescent Tb3+ complex with pendant crown ether showing dual-component recognition ... Luminescent Tb3+ complex with pendant crown ether showing dual-component recognition of H+ and K+ at multiple pH windows. In: ... Luminescent Tb3+ complex with pendant crown ether showing dual-component recognition of H+ and K+ at multiple pH windows. / Li ...
Photoresponsive crown ethers. 1. Cis-trans isomerism of azobenzene as a tool to enforce conformational changes of crown ethers ... Rigid-strut-containing crown ethers and [2]catenanes for incorporation into metal-organic frameworks. Chem. Eur. J. 15, 13356- ... Construction of covalent organic frameworks with crown ether struts. Angew. Chem. Int. Ed. 60, 9959-9963 (2021). ... metal-based polyrotaxanes that utilize pyridinimn axles and crown ether wheels as ligands. Angew. Chem. Int. Ed. 42, 74-77 ( ...
Whom Ether crowns." … By the expression "Sire of our Mother" (μητροπάτωρ) he not only intimates creation out of nothing, but ... And all the signs with which the heaven is crowned."31243124 Iliad, xviii, 483. ...
Crown ether complexes of titanium(IV) chloride and bromide and the structures of the hydrolysis products Ti2Cl6(mu-O)(18-crown- ... complexes with crown ether and crown thioether coordination - Synthesis, properties and structural systematics. European ... Levason, W., Ratnani, R., Reid, G., & Webster, M. (2006). Secondary coordination of dichlorodioxomolybdenum(VI) to crown ethers ... yttrium and lanthanide complexes with thia-oxa and selena-oxa macrocycles and crown ether coordination. Dalton Transactions, 42 ...
Crown ethers and cryptands.. In A. R. Katritzky and C. W. Rees, editors, Comprehensive Heterocyclic Chemistry, volume 7, page ... π-Acceptor macrocycles: new crown ethers containing isocyanide groups.. Journal of the Chemical Society, Chemical ...