Articles with "bis" as a keyword



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Single-Junction Polymer Solar Cells with 16.35% Efficiency Enabled by a Platinum(II) Complexation Strategy.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201901872

Abstract: A new strategy of platinum(II) complexation is developed to regulate the crystallinity and molecular packing of polynitrogen heterocyclic polymers, optimize the morphology of the active blends, and improve the efficiency of the resulting nonfullerene polymer… read more here.

Keywords: platinum; polymer; bis; efficiency ... See more keywords
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Hybrid Cycloalkyl‐Alkyl Chain‐Based Symmetric/Asymmetric Acceptors with Optimized Crystal Packing and Interfacial Exciton Properties for Efficient Organic Solar Cells

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Published in 2023 at "Advanced Science"

DOI: 10.1002/advs.202206580

Abstract: Hybrid cycloalkyl‐alkyl side chains are considered a unique composite side‐chain system for the construction of novel organic semiconductor materials. However, there is a lack of fundamental understanding of the variations in the single‐crystal structures as… read more here.

Keywords: bis; cycloalkyl alkyl; side; hybrid cycloalkyl ... See more keywords
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Application of a biological‐based nanomagnetic catalyst in the synthesis of bis‐pyrazols and pyrano[3,2‐c]pyrazoles

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Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3633

Abstract: {Fe3O4@SiO2@(CH2)3-thiourea dioxide-SO3H/HCl}, a newly reported nanomagnetic core–shell supported solid acid catalyst, was successfully employed in the preparation of 4,4′-(arylmethylene)bis(1H–pyrazol-5-ol) and pyrano[3,2-c]pyrazole derivatives. The presented methods are very efficient and high-yielding. Also, the catalyst exhibited powerful… read more here.

Keywords: nanomagnetic catalyst; based nanomagnetic; application biological; biological based ... See more keywords
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Exceptionally high molecular weight linear polyethylene by using N,N,N′‐ Co catalysts appended with a N′ ‐2,6‐bis{di(4‐fluorophenyl)methyl}‐4‐nitrophenyl group

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Published in 2019 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.5157

Abstract: The bis(arylimino)pyridines, 2-[CMeN{2,6-{(4-FC6H4)2CH}2-4-NO2}]-6-(CMeNAr)C5H3N (Ar = 2,6-Me2C6H3 L1, 2,6-Et2C6H3 L2, 2,6-i-Pr2C6H3 L3, 2,4,6-Me3C6H2 L4, 2,6-Et2-4-MeC6H2 L5), each containing one N'-2,6-bis{di(4-fluorophenyl)methyl}-4-nitrophenyl group, have been synthesized by two successive condensation reactions from 2,6-diacetylpyridine. Their subsequent treatment with anhydrous… read more here.

Keywords: methyl nitrophenyl; fluorophenyl methyl; bis; bis fluorophenyl ... See more keywords
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Design, synthesis, and antiproliferative effect of 2,9‐bis[4‐(pyridinylalkylaminomethyl)phenyl]‐1,10‐phenanthroline derivatives on human leukemic cells by targeting G‐quadruplex

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Published in 2021 at "Archiv der Pharmazie"

DOI: 10.1002/ardp.202000450

Abstract: Current multiagent chemotherapy regimens have improved the cure rate in acute leukemia patients, but they are highly toxic and poorly efficient in relapsed patients. To improve the treatment approaches, new specific molecules are needed. The… read more here.

Keywords: phenyl phenanthroline; phenanthroline derivatives; bis; design synthesis ... See more keywords
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Design, synthesis, and molecular docking study of novel quinoline‐based bis‐chalcones as potential antitumor agents

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Published in 2021 at "Archiv der Pharmazie"

DOI: 10.1002/ardp.202100094

Abstract: A novel series of quinoline‐based symmetrical and unsymmetrical bis‐chalcones was synthesized via a Claisen–Schmidt condensation reaction between 3‐formyl‐quinoline/quinolone derivatives with acetone or arylidene acetones, respectively, by using KOH/MeOH/H2O as a reaction medium. Twelve of the… read more here.

Keywords: design synthesis; bis chalcones; quinoline; bis ... See more keywords
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Chiral superstructures from homochiral Zn2+ , Co2+ , Fe2+ -2,6-bis (aryl ethylimine)pyridine complexes.

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Published in 2019 at "Chirality"

DOI: 10.1002/chir.23115

Abstract: We report the hierarchical supramolecular organization of metallosupramolecular homochiral complexes 1-Λ-(S,S,S,S)-M2+ /1-∆-(R,R,R,R)-M2+ and 2- Λ-(S,S,S,S)-M2+ /2-∆- (R,R,R,R)-M2+ of M2+ = Co2+ , Fe2+ , Zn2+ metal ions with chiral pseudo-terpyridine-type ligands: 1-(S,S) or 1-(R,R) =… read more here.

Keywords: co2 fe2; pyridine; chiral superstructures; bis ... See more keywords
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Chiral C2 -symmetric bis-thioureas as enzyme mimics in enantioselective Michael addition.

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Published in 2022 at "Chirality"

DOI: 10.1002/chir.23438

Abstract: We report herein the synthesis and application of enantiopure C2 -symmetric primary amine-1,3-bis-thiourea organocatalysts in enantioselective conjugate 1,4-Michael addition of carbonyl containing nucleophiles, to nitroalkenes and N-phenylmaleimide, leading to final products in good enantioselectivities (up… read more here.

Keywords: bis; bis thioureas; michael addition; chiral symmetric ... See more keywords
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Bis(α-hydroxycycloalkyl)phosphine Oxides Obtained from White Phosphorus via Phosphine Oxide H3 PO: Synthesis, Molecular Structure, Coordination Properties and Biological Activity.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000220

Abstract: Reaction of the electrochemically in situ from elemental white phosphorus generated phosphine oxide H3 PO in a single electrochemical cell, supplied with lead cathode and aluminium anode, with cyclic ketones (cyclopentanone and cyclohexanone) results in formation… read more here.

Keywords: phosphine oxide; white phosphorus; phosphine; bis ... See more keywords
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Stabilizing the Li1.3Al0.3Ti1.7(PO4)3|Li Interface for High Efficiency and Long Lifespan Quasi‐Solid‐State Lithium Metal Batteries

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Published in 2022 at "Chemsuschem"

DOI: 10.1002/cssc.202200038

Abstract: Abstract To tackle the poor chemical/electrochemical stability of Li1+x Al x Ti2‐x (PO4)3 (LATP) against Li and poor electrode|electrolyte interfacial contact, a thin poly[2,3‐bis(2,2,6,6‐tetramethylpiperidine‐N‐oxycarbonyl)norbornene] (PTNB) protection layer is applied with a small amount of ionic… read more here.

Keywords: bis; ptnb; lithium; po4 ... See more keywords
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Hydrogen Evolution Electrocatalysis with a Molecular Cobalt Bis(alkylimidazole)methane Complex in DMF: a Critical Activity Analysis

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Published in 2022 at "Chemsuschem"

DOI: 10.1002/cssc.202201308

Abstract: Abstract [Co(HBMIMPh2)2](BF4)2 (1) [HBMIMPh2=bis(1‐methyl‐4,5‐diphenyl‐1H‐imidazol‐2‐yl)methane] was investigated for its electrocatalytic hydrogen evolution performance in DMF using voltammetry and during controlled potential/current electrolysis (CPE/CCE) in a novel in‐line product detection setup. Performances were benchmarked against three reported… read more here.

Keywords: bis; cobalt; activity; hydrogen evolution ... See more keywords