C(sp3 )─S Bond Formation via the Synergy of Oxidative With Reductive Photocatalysts Through Photoredox and Dual Hydrogen Atom Transfer Processes
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DOI: 10.1002/advs.202415936
Abstract: A primary objective of organic synthesis is to establish a catalytic methodology that is mild, straightforward, and economically efficient. Thioesters are widely employed in the realms of physiology, pharmacology, and agriculture. It is imperative to… read more here.
Keywords: formation; dual hydrogen; atom transfer; hydrogen atom ... See more keywords
Metal‐Catalyzed Hydrogen Evolution Reactions Involving Strong C−H Bonds Activation via Hydrogen Atom Transfer
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DOI: 10.1002/cctc.202100248
Abstract: Hydrogen evolution reactions have been proved to be a powerful and green strategy in organic synthesis. Differing from hydrogen evolution reactions catalyzed by noble metal pincer complex with some limitations, the reactions facilitated by merging… read more here.
Keywords: atom transfer; hydrogen; hydrogen atom; hydrogen evolution ... See more keywords
Electrochemical Activation of C-C Bonds via Mediated Hydrogen Atom Transfer Reactions.
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DOI: 10.1002/cssc.202102317
Abstract: Activating inert sp 3 -sp 3 carbon-carbon (C-C) bonds remains a major bottleneck in the chemical upcycling of recalcitrant polyolefin waste. Here, we use redox mediators to activate the inert C-C bonds. Specifically, we use… read more here.
Keywords: electrochemical activation; hydrogen atom; atom transfer;
Α Metal‐Free Photochemical Atom Transfer Radical Addition of CBr4 onto Alkenes as a Key Step for Their Conversion to Propargylamines
Sign Up to like & getrecommendations! Published in 2024 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.202400733
Abstract: Α green and sustainable metal‐free photochemical protocol for the atom transfer radical addition (ATRA) of carbon tetrabromide onto alkenes was developed. Phenylglyoxylic acid was employed as the photoinitiator to promote the water‐mediated anti‐Markovnikov photochemical addition.… read more here.
Keywords: radical addition; metal free; free photochemical; addition ... See more keywords
Trending green atom transfer radical polymerization (ATRP)‐modified lactic acid bacteria: application as a bioadsorbent to detoxicate aflatoxin B1 in grains
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DOI: 10.1002/jsfa.14216
Abstract: To address the severe health risks posed by aflatoxin B1 (AFB1) in grain, this study employed polydopamine‐based atom transfer radical polymerization (p‐ATRP) and cytochrome C‐catalyzed atom transfer radical polymerization (c‐ATRP) as cytocompatible modification techniques to… read more here.
Keywords: radical polymerization; polymerization atrp; atom transfer; transfer radical ... See more keywords
Riboflavin‐Catalyzed Photoinduced Atom Transfer Radical Polymerization
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DOI: 10.1002/macp.202400323
Abstract: The photoATRP of methyl acrylate (MA) is investigated using riboflavin (RF) and CuBr2/Me6TREN as a dual catalyst system under green LED irradiation (λ ≈ 525 nm). Both RF and CuBr2/Me6TREN enhanced oxygen tolerance, enabling effective ATRP in the… read more here.
Keywords: photoinduced atom; catalyzed photoinduced; riboflavin catalyzed; polymerization ... See more keywords
Surface-Initiated Atom Transfer Radical Polymerization from Electrospun Mats: An Alternative to Nafion
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DOI: 10.1002/mame.201600410
Abstract: Alternative to Nafion DTU Orbit (27/09/2019) Surface-Initiated Atom Transfer Radical Polymerization from Electrospun Mats: An Alternative to Nafion Proton exchange membranes for fuel cell applications are synthesized by surface-initiated(SI) atom transfer radical polymerization (ATRP). Poly(vinylidene… read more here.
Keywords: atom transfer; radical polymerization; transfer radical; initiated atom ... See more keywords
Atom Transfer Radical Polymerization (ATRP) Catalyzed by Visible Light-Absorbed Small Molecule Organic Semiconductors.
Sign Up to like & getrecommendations! Published in 2018 at "Macromolecular rapid communications"
DOI: 10.1002/marc.201800466
Abstract: Atom transfer radical polymerization is successfully conducted with an organic semiconductor (OS)-based visible light activated photocatalyst via a precisely designed catalytic cycle. The living nature of the polymerization by the OS type photocatalyst is proved… read more here.
Keywords: atom transfer; polymerization; radical polymerization; transfer radical ... See more keywords
Improving the hydrophilic and antifouling properties of poly(vinyl chloride) membranes by atom transfer radical polymerization grafting of poly(ionic liquid) brushes
Sign Up to like & getrecommendations! Published in 2018 at "Polymers for Advanced Technologies"
DOI: 10.1002/pat.4172
Abstract: In this study, poly(1-butyl-3-vinylimidazolium bromide) (PBVIm-Br) was grafted onto the poly(vinyl chloride) (PVC) membrane surface via a 2-step atom transfer radical polymerization (ATRP) reaction. Poly(2-hydroxyethylmethacrylate) (PHEMA) was grafted onto the membrane surface by aqueous ATRP… read more here.
Keywords: atom transfer; surface; membrane surface; membrane ... See more keywords
Preparation of One‐Dimensional Polymer Brushes by Atom Transfer Radical Polymerization of Styrene Initiated by Macroinitiator
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DOI: 10.1002/pat.70052
Abstract: Reversible deactivation radical polymerization (RDRP) is a controllable technique for free radical polymerization to synthesize polymer brushes. Macroinitiators have the advantage of grafting polymer brushes with high density over small molecule initiators due to the… read more here.
Keywords: polymer brushes; radical polymerization; polymerization; polymer ... See more keywords
Grafting polystyrene with various graft densities through epoxy groups of graphene nanolayers via atom transfer radical polymerization
Sign Up to like & getrecommendations! Published in 2017 at "Polymer Composites"
DOI: 10.1002/pc.23832
Abstract: A double bond and amine group containing chemical (OD) was synthesized by coupling reaction of ethylenediamine and 3-(chlorodimethylsilyl)propyl methacrylate. Subsequently, graphene oxide (GO) was functionalized with OD in different densities via ring opening of its… read more here.
Keywords: atom transfer; groups graphene; radical polymerization; transfer radical ... See more keywords