A Base-Stabilized Silylene-Promoted C(sp3)-H Borylation and H2 Activation.
Sign Up to like & getrecommendations! Published in 2020 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c00426
Abstract: Treatment of the amidinato amidosilylene [L{(Me3Si)2N}Si:] [1, L = PhC(NtBu)2] with a slight excess of borane-tetrahydrofuran complex [BH3·THF] in toluene at room temperature afforded the silylene-borane adduct [L{(Me3Si)2N}Si:→BH3] (2). A triflate substituent was introduced on… read more here.
Keywords: me3si; room temperature; silylene; sp3 borylation ... See more keywords
Synthesis of a Triphenylphosphinimide-Substituted Silirane as a "Masked" Acyclic Silylene.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c00790
Abstract: Phosphinimides are long known as useful ligands in transition metal chemistry, but examples of these in low-valent silicon chemistry are rather rare. Hence, in this work, we report on the implementation of a triphenylphosphinimide moiety… read more here.
Keywords: silirane; substituted silirane; chemistry; synthesis triphenylphosphinimide ... See more keywords
Unique Approach to Copper(I) Silylene Chalcogenone Complexes.
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DOI: 10.1021/acs.inorgchem.6b02833
Abstract: Silylene-S-thione [PhC(NtBu)2Si(═S)N(SiMe3)2] (2) and silylene-Se-selone [PhC(NtBu)2Si(═Se)N(SiMe3)2] (3) compounds were prepared from the silylene [PhC(NtBu)2SiN(SiMe3)2] (1) with 1 equiv of 1/8 S8 and 1 equiv of Se powder, respectively, in high yields. Furthermore, compounds 2 and… read more here.
Keywords: cubr; phc ntbu; copper; silylene ... See more keywords
N-Heterocyclic Silylene Coordinated Dialkyl Borenium Equivalent
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DOI: 10.1021/acs.organomet.7b00687
Abstract: In an attempt to prepare the heavier analogue of NHC-stabilized borenium cation, we have prepared a silylene-coordinated borenium equivalent (1a), which can be viewed as a contact ion pair of borenium and triflate. The triflate… read more here.
Keywords: borenium; borenium equivalent; heterocyclic silylene; silylene ... See more keywords
C(sp2)-H Activation with Bis(silylene)pyridine Cobalt(III) Complexes: Catalytic Hydrogen Isotope Exchange of Sterically-Hindered C-H Bonds.
Sign Up to like & getrecommendations! Published in 2022 at "ACS catalysis"
DOI: 10.1021/acscatal.2c02429
Abstract: The bis(silylene)pyridine cobalt(III) dihydride boryl, trans-[ ptol SiNSi]Co(H)2BPin (ptolSiNSi = 2,6-[EtNSi(NtBu)2CAr]2 C5H3N, where Ar = C6H5CH3, and Pin =pinacolato) has been used as a precatalyst for the hydrogen isotope exchange (HIE) of arenes and heteroarenes… read more here.
Keywords: bis; cobalt; cobalt iii; isotope ... See more keywords
Cooperative Bond Activation and Catalytic CO2 Functionalization with a Geometrically Constrained Bis(silylene)-Stabilized Borylene.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.3c00949
Abstract: Metal-ligand cooperativity has emerged as an important strategy to tune the reactivity of transition-metal complexes for the catalysis and activation of small molecules. Studies of main-group compounds, however, are scarce. Here, we report the synthesis,… read more here.
Keywords: bis silylene; constrained bis; geometrically constrained; activation ... See more keywords
An Isolable Bis(silylene)-Stabilized Germylone and Its Reactivity.
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DOI: 10.1021/jacs.8b11605
Abstract: The first zerovalent germanium complex ("germylone") 3, [SiII(Xant)SiII]Ge0, stabilized by a chelating bis(N-heterocyclic silylene)xanthene donor ligand 1 was successfully synthesized via the dechlorination of the corresponding {[SiII(Xant)SiII]GeCl}+Cl- complex 2 with KC8; it was structurally and… read more here.
Keywords: xant siii; siii; germylone; silylene ... See more keywords
Probing the non-innocent nature of an amino-functionalised β-diketiminate ligand in silylene/iminosilane systems.
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DOI: 10.1039/d0dt01447h
Abstract: Electron-rich β-diketiminate ligands, featuring amino groups at the backbone β positions ("N-nacnac" ligands) have been employed in the synthesis of a range of silylene (SiII) complexes of the type (N-nacnac)SiX (where X = H, Cl,… read more here.
Keywords: probing non; amino; non innocent; silylene ... See more keywords
Progress in the preparation and characterization of silylene iron, cobalt and nickel complexes.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt00523e
Abstract: The synthesis and characterization of Fe, Co and Ni complexes supported by silylene ligands in the past ten years are summarized. Due to the decrease of the electron cloud density on the Si atom after… read more here.
Keywords: metal; silylene; preparation characterization; progress preparation ... See more keywords
A square planar silylene nickel four-membered ring.
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DOI: 10.1039/d1dt02846d
Abstract: Herein the new nickel silylene [PhC(NtBu)2SiNi(C5Me5)]2, which features a square planar central ring motif consisting of two silicon and two nickel atoms is presented. The title compound was obtained by an insertion of the Ni(0)… read more here.
Keywords: membered ring; planar silylene; square planar; silylene ... See more keywords
One silicon atom of bis(silylene) functions as a selective Lewis base under adduct formation with a Lewis acid.
Sign Up to like & getrecommendations! Published in 2023 at "Dalton transactions"
DOI: 10.1039/d3dt00811h
Abstract: Herein, we describe the facile and selective one-pot synthetic route to silylene-aluminum and silylene-gallium adducts. Reduction of silylene LSiCl (L = PhC(NtBu)2) with KC8 in the presence of bulky and sterically hindered cyclopentadienyl aluminum Cp'''AlCl2… read more here.
Keywords: bis silylene; base adduct; lewis acid; base ... See more keywords