Nature Chemistry - Silyl-substituted silicon–carbonyl complexes that are stable at room temperature have been prepared by exposure of highly reactive bis(silyl)silylenes to carbon monoxide....

Nature Synthesis - The heavy analogues of ynolates or ketenyl anions have not yet been studied. Here the synthesis, isolation and characterization of a sila-ketenyl anion, the silicon analogue of a...

The usage of carbon monoxide (CO) as a C1 feedstock for carbonylation has been an important subject of numerous studies for over a century. The chemistry in this field has evolved significantly, and...

A novel nontransient acyclic iminosilylene (1), bearing a bulky super silyl group (−SitBu3) and N-heterocyclic imine ligand with a methylated backbone, was prepared and isolated. The methylated...

The activation of C–F bonds has long been regarded as the subject of research in organometallic chemistry, given their synthetic relevance and the fact that fluorine is the most abundant halogen in...

Facile isolation of various dimeric aluminum selenides and tellurides, as well as an aluminum-telluride monomer featuring a terminal Al=Te bond, is reported. The aluminum-telluride monomer exhibits...

By use of the ethylene-bridged bidentate bis-NHI (NHI = N-heterocyclic imine) ligand 1 toward the complexation of ECl2·(dioxane) (E = Ge, Sn) the synthesis of the first bis-NHI-stabilized chloroger...

The first acceptor-free heavier germanium analogue of an acylium ion, [RGe(O)(NHC)2]X (R = MesTer = 2,6-(2,4,6-Me3C6H2)2C6H3; NHC = IMe4 = 1,3,4,5-tetramethylimidazol-2-ylidene; X = (Cl or BArF =...

The synthesis and characterization of an N-heterocyclic carbene (NHC)-stabilized silyliumylidene borane adduct [mTer(IMe4)2Si→BH3][OTf] ([2][OTf]) (mTer = 2,6-(2,4,6-Me3C6H2)2C6H3; IMe4 = 1,3,4,5-t...

Metal-free catalysis based on Earth-abundant main group elements is a holy grail in organometallic chemistry. Transition metal catalysis often relies on fundamentals steps of oxidative addition and...

The synthesis and isolation of stable heavier analogues of nitrile ylide as N-heterocyclic carbene (NHC) adducts of phosphasilenyl-tetrylene [(NHC)(TerAr)Si(H)PE14(TerAr)] (E14 = Ge 1, Sn 2; TerAr =...

Dearomatization of C6 aromatic hydrocarbons by low-valent main group compounds represent an attractive gateway toward their functionalization for stoichiometric transformations and catalytic applic...

The formation of phosphorus-rich alanes featuring butterfly-like geometries is achieved. The two-electron reduction products feature a unique P42- structure and are able to be the source of P3-. It...

Two novel disilenes of type ABSi [[double bond, length as m-dash]] SiAB bearing N-heterocyclic imino (A = NItBu) and trialkylsilyl (B = SitBu31, B = SitBu2Me 2) groups are reported. The reduced...

The neutral three-coordinated imino(silyl)silyl radical was isolated from the reaction of N-heterocyclic iminosilicon tribromide (ItBuN-SiBr3) with NaSitBu2Me. The radical was fully characterized by...

A heteroleptic N-heterocyclic imine (NHI)-supported (aryl)stannylene enables activation and valorization of CO2 to C1 feedstock in stoichiometric and catalytic manner via ligand assisted hydroborat...

Two new bidentate ferrocene-bridged bis(N-heterocyclic carbene–phospinidenes) (bisNHCPs) were successfully isolated by treating 1,1′-bis-(dichlorophosphine)ferrocene with N-heterocyclic carbenes,...

The germanium and tin iron carbonyl complexes were prepared by the reaction of dimeric chloro(imino)tetrylenes [IPrNECl]2 (E=Ge, Sn; IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-iminato) with one...

A set of Lewis acids was synthesized by installing perfluorotolyl- and perfluorocresolato ligands on neutral Si(IV) atoms. Additionally, a heteroleptic silane was synthesized using perfluoropinacol...

The reaction of Cp*Sn[OTf] (Cp*=C5Me5; OTf=O3SCF3) with one equivalent of IPrNLi (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-iminato) resulted in the binuclear [OTf]-bridged tin complex 1. Similar...

Communications Chemistry - The chemistry of carbon monoxide (CO) as a ligand has evolved significantly and transition-metal carbonyl complexes have been widely used as catalysts in many important...

A heteroleptic amino(imino)stannylene (TMS2N)(ItBuN)Sn: (TMS=trimethylsilyl, ItBu=C[(N−tBu)CH]2) as well as two homoleptic NHI-stabilized tetrylenes, (ItBuN)2E: (NHI=N-heterocyclic imine, E=Ge, Sn)...

Tetryliumylidene ions ([R–E:]+), recognised for their intriguing electronic properties, have attracted considerable interest. These positively charged species, with two vacant p-orbitals and a lone...

Since the successful isolation of various stable diazoolefins, an array of complexes containing these promising ligands have been synthesized. We herein report the synthesis, characterization, and...

The NHC stabilized terphenyl dihydridoaluminium, the first monomeric aluminium hydride hydrogensulfide, the aluminium bis(hydrogensulfide), the six- or five-membered cyclic aluminium polysulfide as...

The synthesis of a new silepin with a sterically encumbered silyl ligand was achieved, which shows a spectral observable equilibrium towards the isomeric acyclic silylene at room temperature. The...

The germanium-centred Lewis superacid Ge(pinF)2 (1) was isolated as acetonitrile mono-adduct 1·MeCN and thoroughly characterized by NMR spectroscopy, X-ray crystallography and quantum chemical...

A novel stannylenoid was isolated by using a bulky amido ligand. It can be converted to the dimeric chlorostannylene at 80 °C with the elimination of LiCl. Treatment of the amidostannylenoid with...