Al(ORF)3 (RF = C(CF3)3) activated silica: a well-defined weakly coordinating surface anion†
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DOI: 10.1039/c9sc05904k
Abstract: Weakly Coordinating Anions (WCAs) containing electron deficient delocalized anionic fragments that are reasonably inert allow for the isolation of strong electrophiles. Perfluorinated borates, perfluorinated aluminum alkoxides, and halogenated carborane anions are a few families of… read more here.
Keywords: 600 40z; weakly coordinating; cf3; surface ... 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
Understanding the solubilization of Ca acetylide with a new computational model for ionic pairs†
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DOI: 10.1039/d0sc04752j
Abstract: The unique reactivity of the acetylenic unit in DMSO gives rise to ubiquitous synthetic methods. We theoretically consider CaC2 solubility and protolysis in DMSO and formulate a strategy for CaC2 activation in solution-phase chemical transformations.… read more here.
Keywords: 600 40z; understanding solubilization; solubilization acetylide; 600 600 ... See more keywords
IR linewidth and intensity amplifications of nitrile vibrations report nuclear-electronic couplings and associated structural heterogeneity in radical anions
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DOI: 10.1039/d1sc03455c
Abstract: Conjugated molecular chains have the potential to act as “molecular wires” that can be employed in a variety of technologies, including catalysis, molecular electronics, and quantum information technologies. Their successful application relies on a detailed… read more here.
Keywords: 600 40z; 600 600; nuclear electronic; linewidth intensity ... See more keywords
Facile synthesis of an ambient stable pyreno[4,5-b]pyrrole monoanion and pyreno[4,5-b:9,10-b′]dipyrrole dianion: from serendipity to design
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DOI: 10.1039/d1sc06070h
Abstract: The stability of singly or multiply negatively charged π-conjugated organic compounds is greatly influenced by their electronic delocalization. Herein, we report a strategic methodology for isolation of a mysterious compound. The isolated compounds, a pyreno[4,5-b]pyrrole… read more here.
Keywords: 600 600; pyrrole monoanion; pyreno dipyrrole; monoanion pyreno ... See more keywords
α-Diimine synthesis via titanium-mediated multicomponent diimination of alkynes with C-nitrosos
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DOI: 10.1039/d1sc06111a
Abstract: α-Diimines are commonly used as supporting ligands for a variety of transition metal-catalyzed processes, most notably in α-olefin polymerization. They are also precursors to valuable synthetic targets, such as chiral 1,2-diamines. Their synthesis is usually… read more here.
Keywords: 600 40z; diimine synthesis; diimination alkynes; 600 600 ... See more keywords
Competing C–H and C–F bond activation reactions of a fluorinated olefin at Rh: a fluorido vinylidene complex as an intermediate in an unprecedented dehydrofluorination step
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DOI: 10.1039/d1sc06713c
Abstract: The hydrofluoroolefin Z-1,3,3,3-tetrafluoropropene has been activated via an initial C–F bond activation and subsequent C–H bond activation using [Rh(H)(PEt3)3] (1) or via C–H bond activation at [Rh(CH3)(PEt3)3] (8). In both cases the formation of [Rh{(E)-CF… read more here.
Keywords: vinylidene complex; 320 320; bond activation; 600 600 ... See more keywords
Stabilisation and reactivity studies of donor-base ligand-supported gallium-phosphides with stronger binding energy: a theoretical approach
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DOI: 10.1039/d2ra06001a
Abstract: Gallium phosphide is a three-dimensional polymeric material of the hetero-diatomic GaP unit, which has a wurtzite type structure, and captivating application as a light emitting diode (LED). As a result, there is a constant search… read more here.
Keywords: 600 600; donor base; gallium phosphides; ligand ... See more keywords
Adsorption of sulfur into an alkynyl-based covalent organic framework for mercury removal
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DOI: 10.1039/d2ra06838a
Abstract: Highly efficient removal of Hg(ii) has been previously achieved through the adsorption by functionalized covalent organic frameworks (COFs). Among these COFs, thioether groups need to be deliberately introduced into the pores of COFs through either… read more here.
Keywords: 600 600; mercury removal; removal; sulfur ... See more keywords
Ultrafast degradation of SMX and TC by CoSiOx activated peroxymonosulfate: efficiency and mechanism
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DOI: 10.1039/d2ra06865f
Abstract: To address the concern about residual antibiotics in effluent of sewage treatment plants, cobalt silicate (CoSiOx) was prepared by hydrothermal method and employed as an activator of peroxymonosulfate (PMS) for the rapid degradation of antibiotics.… read more here.
Keywords: 600 600; smx; cosiox pms; cosiox ... See more keywords
Unraveling the reactivity of a cationic iminoborane: avenues to unusual boron cations
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DOI: 10.1039/d2sc00002d
Abstract: A cationic terminal iminoborane [Mes*N Created by potrace 1.16, written by Peter Selinger 2001-2019 B ← IPr2Me2][AlBr4] (3+[AlBr4]−) (Mes* = 2,4,6-tri-tert-butylphenyl and IPr2Me2 = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidene) has been synthesized and characterized. The employment of an aryl… read more here.
Keywords: 600 600; cationic iminoborane; 600 40z; iminoborane ... See more keywords