Articles with "multiple hydrogen" as a keyword



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Organophosphine bearing multiple hydrogen-bond donors for asymmetric Michael addition reaction of 1-oxoindane-2-carboxylic acid ester via dual-reagent catalysis

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Published in 2020 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2020.07.026

Abstract: Abstract Multiple hydrogen bonds containing nucleophilic phosphines derived from dipeptide dual-reagents catalyzed asymmetric Michael addition reactions between indene esters and activated olefins in high yields and good to excellent enantioselectivities under mild reaction conditions. The… read more here.

Keywords: asymmetric michael; michael addition; reaction; multiple hydrogen ... See more keywords
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Rational design of multiple hydrogen bonds to improve the mechanical property of rigid PANI

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Published in 2021 at "Extreme Mechanics Letters"

DOI: 10.1016/j.eml.2020.101136

Abstract: Abstract A flexible composite gel based on multiple hydrogen bonding interaction is prepared by using the P = O ∕ P − O group. And it presents remarkable stretchability and self-healing efficiency (nearly 100%). Mechanical… read more here.

Keywords: hydrogen; rational design; mechanical property; hydrogen bonding ... See more keywords
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Exclusive Recognition of Acetone in a Luminescent BioMOF through Multiple Hydrogen-Bonding Interactions.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b00873

Abstract: An anionic microporous metal-organic framework (1), featuring a combination of mononuclear and tetranuclear zinc clusters and a mix-and-match strategy of two different types of organic ligands, has been successfully constructed via a solvothermal reaction. Its… read more here.

Keywords: acetone; recognition acetone; acetone luminescent; exclusive recognition ... See more keywords
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Self-Complementary Multiple Hydrogen-Bonding Additives Enhance Thermomechanical Properties of 3D-Printed PMMA Structures

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Published in 2019 at "Macromolecules"

DOI: 10.1021/acs.macromol.9b00546

Abstract: Nonbonded interactions provide a way to guide the assembly and alter the physical properties of soft polymeric materials. Here, self-complementary hydrogen-bonding interactions conveyed through pol... read more here.

Keywords: complementary multiple; multiple hydrogen; bonding additives; self complementary ... See more keywords
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Core cross-linked double hydrophilic block copolymer micelles based on multiple hydrogen-bonding interactions

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Published in 2017 at "Polymer Chemistry"

DOI: 10.1039/c7py00210f

Abstract: A facile route for the preparation of core cross-linked polymeric micelles via self-complementary multiple hydrogen bonds was developed. Double hydrophilic block copolymers of poly(ethylene glycol)-b-poly(N-isopropylacrylamide) (PEG-b-PNIPAm), with 2-ureido-4[1H]-pyrimidinone (UPy) functionality throughout PNIPAm block, were synthesized… read more here.

Keywords: block; cross linked; cross; core cross ... See more keywords
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Piezochromic luminescence of AIE-active molecular co-crystals: tunable multiple hydrogen bonding and molecular packing

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Published in 2018 at "Journal of Materials Chemistry C"

DOI: 10.1039/c8tc02444h

Abstract: Prominent piezochromic materials play a vital role in the development of damage detection devices and smart sensors. However, compared to other external stimuli (such as light, pH and temperature), understanding of intermolecular interactions and piezochromic… read more here.

Keywords: multiple hydrogen; molecular packing; piezochromic luminescence; tunable multiple ... See more keywords
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Excellent performance of aromatic polyguanamines induced by multiple hydrogen bondable tetraazacalix[2]arene[2]-triazine ring in their main chain

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Published in 2020 at "RSC Advances"

DOI: 10.1039/c9ra09136j

Abstract: A series of poly(guanamine) (c-PG)s containing tetraazacalix[2]arene[2]-triazine (mPDA2CyC2) were successfully prepared by solution polycondensation of mPDA2CyC2 with various aromatic diamines in an aprotic organic solvent with a lithium chloride additive (5 wt%) at 150 °C… read more here.

Keywords: arene triazine; tetraazacalix arene; excellent performance; multiple hydrogen ... See more keywords
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Splitting of multiple hydrogen molecules by bioinspired diniobium metal complexes: a DFT study.

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Published in 2020 at "Dalton transactions"

DOI: 10.1039/d0dt03411h

Abstract: Splitting of molecular hydrogen (H2) into bridging and terminal hydrides is a common step in transition metal chemistry. Herein, we propose a novel organometallic platform for cleavage of multiple H2 molecules, which combines metal centers… read more here.

Keywords: hydrogen; splitting multiple; metal; diniobium ... See more keywords
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A stretchable and healable elastomer with shape memory capability based on multiple hydrogen bonds

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra03250c

Abstract: Although a wide range of self-healing materials have been reported by researchers, it is still a challenge to endow exceptional mechanical properties and shape memory characteristics simultaneously in a single material. Inspired by the structure… read more here.

Keywords: hydrogen bonds; multiple hydrogen; shape memory; memory ... See more keywords