Articles with "silyl ether" as a keyword



A Silyl Ether Based Fluorescent Probe for Rapid Monitoring of Endogenous Peroxynitrite Concentration and Imaging in Living Cells through Multicolor Emission.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000100

Abstract: The peroxynitrite ion (ONOO- ) has important roles in many biological processes. We have developed a multicolor ONOO- -sensing probe (SiONNOH) that undergoes deprotonation and desilylation processes, which result in several changes in the emission… read more here.

Keywords: ether based; onoo; probe; silyl ether ... See more keywords

Environmentally Friendly High‐performance Polydimethylsiloxane Composites Reinforced with Renewable Cellulose Nanocrystals Based on Dynamic Silyl Ether Linkages

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Published in 2024 at "Macromolecular Chemistry and Physics"

DOI: 10.1002/macp.202400060

Abstract: Environmentally friendly high‐performance composites made from either reprocessable polymer matrix or renewable fillers have become increasingly significant in order to reach a sustainable future. Herein, polydimethylsiloxane/modified cellulose nanocrystals (PDMS/mCNC) composites showing outstanding mechanical and reprocessable… read more here.

Keywords: cellulose nanocrystals; ether linkages; high performance; silyl ether ... See more keywords
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Multifunctional polyimides by direct silyl ether reaction of pendant hydroxy groups: Toward low dielectric constant, high optical transparency and fluorescence

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Published in 2020 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2020.109742

Abstract: Abstract Unsatisfied overall properties and high-cost production are major obstacles for the commercialization of polyimide (PI) films. This work aims to develop a convenient way with low cost to prepare multifunctional PI films with excellent… read more here.

Keywords: fluorescence; dielectric constant; silyl ether; low dielectric ... See more keywords

Unsymmetrical 1-oxazolinyl 1’,2-Bisphosphine ferrocene silyl ether: Preparation and lithiation mechanism

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Published in 2019 at "Journal of Organometallic Chemistry"

DOI: 10.1016/j.jorganchem.2019.120998

Abstract: Abstract The synthesis of an unsymmetrical silyl-ether-modified 1-oxazolinyl 1,2′-bis(diphenylphosphine) ferrocene is proposed herein. The designed 1,2′-bisphosphine is generated from 1-bromo-l’-carboxyferrocene in six synthetic steps in moderate yield with high diastereoselectivity. Moreover, a 2,5-bisphosphine analog is… read more here.

Keywords: lithiation; mechanism; ferrocene; bisphosphine ... See more keywords

Metal-Free Synthesis of Poly(silyl ether)s under Ambient Conditions

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Published in 2019 at "Macromolecules"

DOI: 10.1021/acs.macromol.8b02741

Abstract: Metal-free hydrosilylation using tris(pentafluorophenyl)borane (B(C6F5)3) as a catalyst enables the rapid polymerization of α-diketone and bis(silane) monomers under ambient conditions to give high molecular weight poly(silyl ether)s (PSEs). A wide selection of commercially available monomers… read more here.

Keywords: metal free; poly silyl; ambient conditions; silyl ether ... See more keywords

Asymmetric Synthesis of Functionalized 9-Methyldecalins Using a Diphenylprolinol-Silyl-Ether-Mediated Domino Michael/Aldol Reaction.

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Published in 2021 at "Organic letters"

DOI: 10.1021/acs.orglett.1c02196

Abstract: Substituted 9-methyldecalin derivatives containing an all carbon quaternary chiral center were synthesized with excellent enantioselectivity via an organocatalyst-mediated domino reaction. The first reaction is a diphenylprolinol silyl ether-mediated Michael reaction, and the second reaction is… read more here.

Keywords: diphenylprolinol silyl; mediated domino; aldol reaction; silyl ether ... See more keywords

Synthesis of 2-Amino-2-deoxy Sugars via Boron-Catalyzed Coupling of Glycosyl Fluorides and Silyl Ether Acceptors.

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Published in 2024 at "Organic letters"

DOI: 10.1021/acs.orglett.4c02888

Abstract: Although aminosugars are important components in a variety of bioactive molecules, their stereoselective formation is made challenging by the Lewis basic nature of amino substituents. Additionally, the use of N-acyl protecting groups is often problematic… read more here.

Keywords: glycosyl fluorides; synthesis amino; boron catalyzed; silyl ether ... See more keywords

Three-Component Catalytic Amino Etherification of Alkenes: Enabled by Silyl Ether-Promoted C-O Coupling.

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Published in 2025 at "ACS catalysis"

DOI: 10.1021/acscatal.5c03252

Abstract: A three-component amino etherification of alkenes presents an ideal and direct strategy to access high-value 1,2-alkylamino ethers yet remains challenging. Herein, we disclosed a catalytic three-component amino etherification of alkenes that enables unprecedented incorporation of… read more here.

Keywords: amino etherification; etherification alkenes; three component; silyl ether ... See more keywords

Simultaneously Improving the Optical, Dielectric, and Solubility Properties of Fluorene-Based Polyimide with Silyl Ether Side Groups

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c00069

Abstract: Three fluorene-based polyimides with silyl ether groups (Si–PIs) were successfully synthesized by a simple and efficient silicon etherification reaction of hydroxyl-containing polyimides (OH–PIs) and tert-butylchlorodiphenylsilane (TBDPSCl), and their structures were confirmed by 1H NMR and… read more here.

Keywords: silyl ether; optical dielectric; solubility; side groups ... See more keywords

Remolding and Deconstruction of Industrial Thermosets via Carboxylic Acid-Catalyzed Bifunctional Silyl Ether Exchange.

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Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c11858

Abstract: Convenient strategies for the deconstruction and reprocessing of thermosets could improve the circularity of these materials, but most approaches developed to date do not involve established, high-performance engineering materials. Here, we show that bifunctional silyl… read more here.

Keywords: silyl ether; remolding deconstruction; exchange; bifunctional silyl ... See more keywords