Nobuhiro Takeda - Cochemist

Chemicals
References

Synthesis and reactivities of dihydrosilanes tethered with two thioether moieties

Co-reporter:Nobuhiro Takeda;Tetsu Nakamura;Ayako Imamura ;Masafumi Unno

Heteroatom Chemistry 2011 Volume 22( Issue 3-4) pp:438-445

Publication Date(Web):

DOI:10.1002/hc.20706

Abstract

Dihydrosilanes tethered with two thioether moieties, [2-(RSCH₂)C₆H₄]₂SiH₂(1a: R = t-Bu; 1b: R = i-Pr; 1c: R = Ph), were synthesized. Dihydrosilane 1b did not react with methanol, benzaldehyde, and carboxylic acids; this result may suggest very weak activation of the SiH bonds in 1b. The corresponding dibromosilanes 4 and diiodosilanes 5 were synthesized by dihalogenation of 1 using N-bromosuccinimide and I₂, respectively, whereas the dichlorosilanes 3 were synthesized by reaction of 2-(RSCH₂)C₆H₄ Li with SiCl₄. Reaction of 1b with [PtCl₂ (cod)] in the presence of Et₃N gave the corresponding bissilylplatinum complex, [Pt{SiH[2-(RSCH₂)- C₆H₄]₂}₂], the structure of which was determined by NMR and IR spectrometry and X-ray crystallography. © 2011 Wiley Periodicals, Inc. Heteroatom Chem 22:438–445, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.20706

Synthesis and Complexation of a New Tripodal Tetradentate Ligand, a Silyl Ligand Tethered with Three Thioether Moieties

Co-reporter:Nobuhiro Takeda, Daisuke Watanabe, Tetsu Nakamura and Masafumi Unno

Organometallics 2010 Volume 29(Issue 13) pp:2839-2841

Publication Date(Web):June 8, 2010

DOI:10.1021/om100255p

Iridium(III) and platinum(II) complexes with a new tripodal tetradentate ligand, tris[2-(tert-butylthiomethyl)phenyl]silyl were synthesized. In addition, reaction of tris(2-((tert-butylthio)methyl)phenyl)silane with [PdCl2(PhCN)2] resulted in the cleavage of the Si−C bond to give [{Pd[2-(t-BuSCH2)C6H4]}2(μ-Cl)2].