Hui-Xian Yeong

Publications10
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Citations311
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Hydrosilylation of a silicon(II) hydride: synthesis and characterization of a remarkable silylsilylene.
TLDR
The synthesis and characterization of novel monomeric silylsilylenes [(NtBu)(2)C(H)Ph}R] (R=Cl (2), H (4) and compounds 2 and 4 are stable in solution or the solid state, and do not dimerize to form the corresponding disilene.
A silyliumylidene cation stabilized by an amidinate ligand and 4-dimethylaminopyridine.
TLDR
The synthesis and reactivity of a silyliumylidene cation stabilized by an amidinate ligand and 4-dimethylaminopyridine (DMAP) are described and compounds 2, 3, and 5 have been characterized by X-ray crystallography.
A Base-Stabilized Silyliumylidene Cation as a Ligand for Rhodium and Tungsten Complexes
The reaction of the base-stabilized silyliumylidene triflate [LSi(DMAP)]OTf (1·OTf; L = PhC(NtBu)2, DMAP = 4-dimethylaminopyridine) with [Rh(cod)Cl]2 and W(CO)5THF afforded…
Reactivity of a silylsilylene bearing a functionalized diaminochlorosilyl substituent.
TLDR
The results show that the reactions of 2 are initiated by oxidative addition of the divalent silicon center, and then the intermediate formed undergoes a rearrangement involving the diaminochlorosilyl substituent to form compounds 3-8.
Synthesis and characterization of an amidinate-stabilized cis-1,2-disilylenylethene [cis-LSi{C(Ph)=C(H)}SiL] and a singlet delocalized biradicaloid [LSi(μ(2)-C(2)Ph(2))(2)SiL].
TLDR
X-ray crystallography and DFT calculations of 3 show that the singlet biradicals are stabilized by the amidinate ligand and the delocalization within the "Si(μ(2)-C(2)Ph(2))( 2)Si" six-membered ring.
An amidinate-stabilized germatrisilacyclobutadiene ylide.
TLDR
The synthesis and characterization of new amidinate-stabilized germatrisilacyclobutadiene ylides [L (3)Si(3)GeL'] (L=PhC(NtBu)(2); L'=ËL; Ë=Ge (3), Si (7)) are described, which show that compounds 3 and 7 are not antiaromatic.
Zwitterionic base-stabilized digermadistannacyclobutadiene and tetragermacyclobutadiene.
TLDR
X-ray structural data and theoretical studies show conclusively that compounds 3 and 9 have a planar and rhombic charge-separated structure and are also nonaromatic.
Reactivity of digermylenes toward potassium graphite: synthesis and characterization of germylidenide anions.
TLDR
The synthesis and characterization of the digermylenes supported by the 2,6-diiminophenyl and 2-imino-5-6-methylenedioxylphenyl ligands and their reactivities toward potassium graphite are described.
Amidinate-Stabilized Group 9 Metal-Silicon(I) Dimer and -Silylene Complexes.
TLDR
The coordination chemistry of the amidinate-stabilized silicon(I) dimer toward group 9 metal complexes is described and compounds 2-6 were characterized by NMR spectroscopy and X-ray crystallography.
Reactivity of a disilylene [{PhC(NBu(t))(2)}Si](2) toward bromine: synthesis and characterization of a stable monomeric bromosilylene.
TLDR
An X-ray structure of compound 2 has been determined and the result shows that the Si(I)-Si(I) bond in 1 was cleaved by bromine.