Sterically controlled reductive oligomerisations of CO by activated magnesium(i) compounds: deltate vs. ethenediolate formation†
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DOI: 10.1039/d0sc00836b
Abstract: An extremely bulky, symmetrical three-coordinate magnesium(i) complex, [{(TCHPNacnac)Mg}2] (TCHPNacnac = [{(TCHP)NCMe}2CH]−, TCHP = 2,4,6-tricyclohexylphenyl) has been prepared and shown to have an extremely long Mg–Mg bond (3.021(1) Å) for such a complex. It was shown… read more here.
Keywords: reductive oligomerisations; arnacnac; dmap; magnesium ... See more keywords
Scaffold-based [Fe]-hydrogenase model: H2 activation initiates Fe(0)-hydride extrusion and non-biomimetic hydride transfer
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DOI: 10.1039/d0sc03154b
Abstract: We report the synthesis and reactivity of a model of [Fe]-hydrogenase derived from an anthracene-based scaffold that includes the endogenous, organometallic acyl(methylene) donor. In comparison to other non-scaffolded acyl-containing complexes, the complex described herein retains… read more here.
Keywords: hydride; 600 600; hydride transfer; model ... See more keywords
Coordinative-to-covalent transformation, isomerization dynamics, and logic gate application of dithienylethene based photochromic cages†
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DOI: 10.1039/d0sc03290e
Abstract: Photochromic coordinative cages containing dynamic C Created by potrace 1.16, written by Peter Selinger 2001-2019 N imine bonds are assembled from a dithienylethene-based aldehyde and tris-amine precursors via metallo-component self-assembly. The resulting metal-templated cages are… read more here.
Keywords: logic gate; coordinative covalent; dithienylethene based; covalent transformation ... See more keywords
An integrated electrocatalytic nESI-MS platform for quantification of fatty acid isomers directly from untreated biofluids†
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DOI: 10.1039/d0sc03403g
Abstract: Positional isomers of alkenes are frequently transparent to the mass spectrometer and it is difficult to provide convincing data to support their presence. This work focuses on the development of a new reactive nano-electrospray ionization… read more here.
Keywords: fatty acid; acid isomers; integrated electrocatalytic; nesi platform ... See more keywords
The formyloxyl radical: electrophilicity, C–H bond activation and anti-Markovnikov selectivity in the oxidation of aliphatic alkenes†
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DOI: 10.1039/d0sc04936k
Abstract: In the past the formyloxyl radical, HC(O)O˙, had only been rarely experimentally observed, and those studies were theoretical-spectroscopic in the context of electronic structure. The absence of a convenient method for the preparation of the… read more here.
Keywords: 320 320; oxidation; bond activation; bond ... See more keywords
Tandem catalyzing the hydrodeoxygenation of 5-hydroxymethylfurfural over a Ni3Fe intermetallic supported Pt single-atom site catalyst†
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DOI: 10.1039/d0sc05983h
Abstract: Single-atom site catalysts (SACs) have been used in multitudinous reactions delivering ultrahigh atom utilization and enhanced performance, but it is challenging for one single atom site to catalyze an intricate tandem reaction needing different reactive… read more here.
Keywords: atom site; site; single atom; tandem ... See more keywords
Synthesis of azahelicenes through Mallory reaction of imine precursors: corannulene substrates provide an exception to the rule in oxidative photocyclizations of diarylethenes†
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DOI: 10.1039/d0sc06730j
Abstract: Typically, the synthesis of phenanthrene-based polycyclic aromatic hydrocarbons relies on the Mallory reaction. In this approach, stilbene (PhCH Created by potrace 1.16, written by Peter Selinger 2001-2019 CHPh)-based precursors undergo an oxidative photocyclization reaction to… read more here.
Keywords: synthesis azahelicenes; 320 320; imine precursors; mallory reaction ... See more keywords
Role of low-energy electrons in the solubility switch of Zn-based oxocluster photoresist for extreme ultraviolet lithography
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DOI: 10.1039/d1cp02334a
Abstract: The electron-induced chemistry of a resist material for extreme ultraviolet lithography (EUVL) consisting of Zn oxoclusters with methacrylate (MA) and trifluoroacetate (TFA) ligands (Zn(MA)(TFA)) has been studied. Electron energies of 80 eV and 20 eV… read more here.
Keywords: 320 320; irradiation; resist; chemistry ... See more keywords
Photoinduced hydrosilylation through hydrogen abstraction: an NMR and computational study of the structural effect of silane
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DOI: 10.1039/d1ra08099g
Abstract: The hydrosilylation reaction, describing the addition of Si–H bonds to unsaturated bonds, is performed in the presence of catalysts, usually highly active platinum catalysts. This work focuses on the study of a photoinduced hydrosilylation by… read more here.
Keywords: hydrosilylation; 320 320; hydrogen abstraction; photoinduced hydrosilylation ... See more keywords
Enhancing ink adhesion of specialty paper using an interpenetrating polyvinyl alcohol-blocked polyurethane polymer network sizing system
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DOI: 10.1039/d1ra08139j
Abstract: The printing quality and strength of specialty papers such as money, maps, newspapers and bank notes have been a significance challenge in recent years. The adhesive effect between ink and paper is depend on both… read more here.
Keywords: 320 320; system; ink; surface ... See more keywords
Dynamic experiment on the treatment of acidic chromium-containing wastewater by lignite loaded nano FeS
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DOI: 10.1039/d1ra08892k
Abstract: In terms of the problem of severe pollution to the ecological environment caused by the acidic chrome-containing wastewater produced in the tanning, electroplating, metallurgy, printing and dyeing and other industries, based on the good adsorbability,… read more here.
Keywords: 320 320; nano fes; containing wastewater; nfes lignite ... See more keywords