Publication detail

Organohydridosilanes containing Y,C,Y-chelating ligands: Reactivity and vapour pressure studies

Year: 2014

Type of publication: článek v odborném periodiku

Name of source: Journal of Organometallic Chemistry

Page from-to: 1-6

Titles:

Language	Name	Abstract	Keywords
cze	Organosilány obsahující Y,C,Y-chelatující ligandy	Byly studovány nejen syntézy a reaktivity organosilánů obsahujících Y,C,Y-chelatující ligandy, ale byly také měřeny tenze par těchto sloučenin	Organosilány; obsahující; Y,C,Y-chelatující; ligandy
eng	Organohydridosilanes containing Y,C,Y-chelating ligands: Reactivity and vapour pressure studies	The syntheses of organohydridosilanes containing Y,C,Y-chelating ligands of the general formula PhL1-3SiH2 (1, L-1 = C6H3((CH2OBu)-Bu-t)(2)-2,6; 2, L-2 = C6H3((CH2OBu)-Bu-t)-2-(CH2NMe2)-6; 3, L-3 = C6H3(CH2NMe2)(2)-2,6) are reported. The reactivity of compounds 1-3 towards elemental sulphur and selenium was studied. It depends on the identity of the donor atoms. While the ether-substituted organohydridosilane (PhLSiH2)-Si-1 (1) does not react, the amino-substituted organohydridosilanes (PhLSiH2)-Si-2 (2) and (PhLSiH2)-Si-3 (3) provide the N -> Si-coordinated silathiones (PhLSiS)-Si-2 (4), (PhLSiS)-Si-3 (6) and the silaselenones (PhLSiSe)-Si-2 (5), (PhLSiSe)-Si-3 (7), respectively, all containing terminal Si-E bonds (E = S, Se). Compounds 1 and 2 do not react with water at ambient temperature whereas the hydrolysis of 3 yielded the diorganosilanediol (PhLSK)-S-3(OH)(2) (8). The compounds are characterized by H-1, C-13, Si-29, (1-8) and Se-77 (6, 7) NMR spectroscopy and single crystal X-ray diffraction analysis (1, 8). In addition, the vapour pressures of compounds 2 and 3 were determined as well.	Organohydridosilanes; Vapour pressure; Chelating ligands; NMR spectroscopy

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