Diamond-shaped [Ag 4] 4+ cluster encapsulated by silicotungstate ligands: Synthesis and catalysis of hydrolytic oxidation of silanes

Yuji Kikukawa; Yoshiyuki Kuroda; Kazuya Yamaguchi; Noritaka Mizuno

doi:10.1002/anie.201108372

Diamond-shaped [Ag ₄] ⁴⁺ cluster encapsulated by silicotungstate ligands: Synthesis and catalysis of hydrolytic oxidation of silanes

Yuji Kikukawa, Yoshiyuki Kuroda, Kazuya Yamaguchi, Noritaka Mizuno

Research output: Contribution to journal › Article › peer-review

83 Citations (Scopus)

Abstract

An Ag ₄ diamond is encapsulated by silicotungstate ligands in TBA ₈[Ag ₄(DMSO) ₂(γ-H ₂SiW ₁₀O ₃₆) ₂]·2 DMSO·2 H ₂O (Ag4; DMSO=dimethyl sulfoxide, TBA=tetra-n-butylammonium), which was obtained by reaction of TBA ₄H ₄[γ-SiW ₁₀O ₃₆] with AgOAc in an organic medium. Polyoxometalate Ag4 (see picture) selectively catalyzes hydrolytic oxidation of various silanes to the corresponding silanols in high yields (72-96 %).

Original language	English
Pages (from-to)	2434-2437
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	51
Issue number	10
DOIs	https://doi.org/10.1002/anie.201108372
Publication status	Published - 2012 Mar 5
Externally published	Yes

Keywords

cluster compounds
oxidation
polyoxometalates
silver
synthetic methods

ASJC Scopus subject areas

Chemistry(all)
Catalysis

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abstract = "An Ag 4 diamond is encapsulated by silicotungstate ligands in TBA 8[Ag 4(DMSO) 2(γ-H 2SiW 10O 36) 2]·2 DMSO·2 H 2O (Ag4; DMSO=dimethyl sulfoxide, TBA=tetra-n-butylammonium), which was obtained by reaction of TBA 4H 4[γ-SiW 10O 36] with AgOAc in an organic medium. Polyoxometalate Ag4 (see picture) selectively catalyzes hydrolytic oxidation of various silanes to the corresponding silanols in high yields (72-96 %).",

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AU - Kikukawa, Yuji

AU - Kuroda, Yoshiyuki

AU - Yamaguchi, Kazuya

AU - Mizuno, Noritaka

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AB - An Ag 4 diamond is encapsulated by silicotungstate ligands in TBA 8[Ag 4(DMSO) 2(γ-H 2SiW 10O 36) 2]·2 DMSO·2 H 2O (Ag4; DMSO=dimethyl sulfoxide, TBA=tetra-n-butylammonium), which was obtained by reaction of TBA 4H 4[γ-SiW 10O 36] with AgOAc in an organic medium. Polyoxometalate Ag4 (see picture) selectively catalyzes hydrolytic oxidation of various silanes to the corresponding silanols in high yields (72-96 %).

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