An efficient and new protocol for the Heck reaction using palladium nanoparticle‐engineered dibenzo‐18‐crown‐6‐ether/MCM‐41 nanocomposite in water
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.4271
Abstract: Palladium nanoparticle-incorporated mesoporous organosilica (MCM-41-Crown.Pd) was synthesized via the grafting of dibenzo-18-crown-6-ether moieties on the MCM-41 surface, followed by reaction of the nanocomposite with palladium acetate and then its reduction in ethanol. The cavity of… read more here.
Keywords: palladium nanoparticle; crown ether; reaction; dibenzo crown ... See more keywords
Non‐Globular Organic Ionic Plastic Crystal Containing a Crown‐Ether Moiety – Tuning Its Behaviour Using Sodium Salts
Sign Up to like & getrecommendations! Published in 2022 at "Chemphyschem"
DOI: 10.1002/cphc.202200258
Abstract: Abstract Organic ionic plastic crystals (OIPCs) are a class of soft materials showing positional order while still allowing orientational freedom. Due to their motional freedom in the solid state, they possess plasticity, non‐flammability and high… read more here.
Keywords: crown ether; organic ionic; ether moiety; non globular ... See more keywords
Enantioseparation of DPP-4 Inhibitors on Immobilized Crown Ether-Based Chiral Stationary Phase
Sign Up to like & getrecommendations! Published in 2018 at "Chromatographia"
DOI: 10.1007/s10337-018-3626-x
Abstract: A group of DPP-4 inhibitors such as alogliptin, linagliptin and saxagliptin were selected for enantioseparation for this study. Crown ether columns contain a chiral crown ether ring as a chiral selector is suitable for the… read more here.
Keywords: peptidase inhibitors; crown ether; dpp inhibitors; enantioseparation dpp ... See more keywords
Studies of the homologs and pseudo-homologs of flerovium with crown ether based extraction chromatography resins
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-018-6207-4
Abstract: A crown-ether based extraction chromatography resin, Eichrom Pb, has been characterized for separations of the flerovium (Fl) pseudo-homolog Hg. Previous results on the batch uptake of Pb(II) and Sn(IV) are compared with newly investigated Hg(II)… read more here.
Keywords: extraction; ether based; homologs pseudo; crown ether ... See more keywords
Photophysical and antimicrobial properties of new double-armed benzo-15-crown-5 ligands and complexes
Sign Up to like & getrecommendations! Published in 2019 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-019-03741-3
Abstract: New double-armed crown ether ligands linked to pyridine derivatives have been synthesized and characterized. These macrocyclic ligands (1–5) have been synthesized by the reactions of 4′,5′-bis(bromomethyl)benzo-15-crown-5 with 3-hydroxy pyridine derivatives. A series of Na+, K+… read more here.
Keywords: double armed; benzo crown; crown ether; photophysical antimicrobial ... See more keywords
New deep eutectic solvents composed of crown ether, hydroxide and polyethylene glycol for extraction of non-basic N-compounds
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2019.02.025
Abstract: Abstract Here we firstly report a series of new deep eutectic solvents (DESs) induced by small amounts of crown ether complex and mainly formed by polyethylene glycol. These DESs not only presented the ultra-deep extraction… read more here.
Keywords: extraction non; crown ether; new deep; deep eutectic ... See more keywords
Supramolecular control over LCST behavior of hybrid macrocyclic system based on pillar[5]arene and crown ether
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2020.03.074
Abstract: Abstract A hybrid system containing a pillar[5]arene unit and ten crown ether moieties was developed. The LCST behavior and thermo-responsiveness were successfully introduced into this pillar[5]arene-crown ether system. Both host–guest interactions and salting-out effect displayed… read more here.
Keywords: system; crown ether; lcst behavior; supramolecular control ... See more keywords
Pseudo-crown ether having AIE and PET effects from a TPE-CD conjugate for highly selective detection of mercury ions
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Chemical Letters"
DOI: 10.1016/j.cclet.2021.08.072
Abstract: ABSTRACT A new tetraphenylethylene-cyclodextrin (TPE-CD) conjugate with a linkage composed of long triethylene glycol chain and triazole ring on the CD rim has been designed and synthesized. The TPE-CD conjugate exists in a stretched form… read more here.
Keywords: highly selective; crown ether; ether aie; tpe conjugate ... See more keywords
Amplification of Hofmeister effect on poly(n-isopropylacrylamide) by crown ether
Sign Up to like & getrecommendations! Published in 2017 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2017.05.037
Abstract: Abstract Indeed, the relative strength of specific ion effect on macromolecule/biomacromolecules increases with increasing concentration. However, the utilization of high ion concentration may lead to aggregation or precipitation of macromolecule/biomacromolecule. Therefore, in the present study,… read more here.
Keywords: crown ether; effect; poly isopropylacrylamide; hofmeister effect ... See more keywords
Synthesis of Crown ether Appended 25-Oxasmaragdyrins and Their BF2-Complexes
Sign Up to like & getrecommendations! Published in 2021 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2021.120458
Abstract: Abstract Three examples of crown ether appended 25-oxasmaragdyrins were synthesized in 15–20% yields by [3 + 2] oxidative condensation of 16-oxatripyrrane and crown ether appended meso-aryl dipyrromethane in CH2Cl2 in the presence of catalytic amount TFA under… read more here.
Keywords: crown ether; oxasmaragdyrins bf2; appended oxasmaragdyrins; ether appended ... See more keywords
Experimental and theoretical investigations of Cs+ adsorption on crown ethers modified magnetic adsorbent.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2019.03.022
Abstract: Carboxyl Fe3O4 nanoparticles (Fe3O4@R-COOH) modified with 18-Crown-6 ether functional groups have been prepared via an amidation reaction and used as bifunctional adsorbent for Cs+. The adsorbent has a superparamagnetic property, allowing an easy recycling, and… read more here.
Keywords: crown ether; adsorption crown; adsorbent; experimental theoretical ... See more keywords