ZfN: Search Results

1	Author	Uwe Klingebiel	Requires cookie*
	Title	Reaktionen von Lithio-aminofluorsilanen mit Halogensilanen und Trimethylzinnchlorid Reactions of Lithio-aminofluorosilanes with Halogensilanes and Trimethyltinchloride
	Abstract	Fluorosilanes react with lithium amides and organolithium compounds to give amino-fluorosilanes. (Lithioamino)fluorosilanes are formed by the reaction of aminofluoro-silanes with butyllithium depending on the steric influence and molecular stabilization of the ligands. These lithium salts react with halogensilanes and trimethyltin chloride with substitution. By LiF elimination the lithio-aminofluorosilane C6H5-SiF-NLiC(CH3)3-N(p-C6H4CH3Si(CH3)3) cyclisizes through a (2-j-2)cycloaddition and SiC-H-cleavage.
	Reference	Z. Naturforsch. 33b, 521—526 (1978); eingegangen am 3. Januar/21. Februar 1978
	Published	1978
	Keywords	Lithio-aminofluorosilanes, Substitution, Cyclisation, NMR
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	TEI-XML for	default:Reihe_B/33/ZNB-1978-33b-0521.pdf
	Identifier	ZNB-1978-33b-0521
	Volume	33

2	Author	Schwefeldiimiden, Uwe Klingebiel	Requires cookie*
	Title	Ein neues Darstellungsverfahren von Carbo- A New Method for the Preparation of Carbo-and Sulfurdiimides
	Reference	Z. Naturforsch. 33b, 950—951 (1978); eingegangen am 29. Mai 1978
	Published	1978
	Keywords	Lithio-aminofluorosilanes, Trimethylsilyliso-cyanate, Trimethylsilylthioylimide, Carbodiimides, Sulfurdiimides
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	TEI-XML for	default:Reihe_B/33/ZNB-1978-33b-0950_n.pdf
	Identifier	ZNB-1978-33b-0950_n
	Volume	33

3	Author	William Clegg, Uwe Klingebiel, Cornelia Krampe, GeorgeM. Sheldrick	Requires cookie*
	Title	.3-Silylgruppenwanderung im Si2NSiN-Gerüst - Synthese und Molekülstruktur von 1.3-Diaza-2.4-disilacyclobutanen 1,3-Migration of Silylgroups in the Si2NSiN-System - Synthesis and Molecular Structure of l,3-Diaza-2,4-disilacyclobutanes
	Abstract	N-Organylamino-N',N'-bis(trimethyl)amino-fluoroorganylsilanes react with butyl-lithium to give the corresponding lithium salts. Further reaction of these lithium salts with fluorosilanes leads to the formation of the expected substituted compounds. Diaza-disilacyclobutanes are formed by thermal LiF elimination in THF. The simultaneous 1,3-migration of a trimethylsilyl group from one nitrogen atom to another is demonstrated by the crystal structure determination of the products of two such reactions, with different substituent groups.
	Reference	Z. Naturforsch. 35b, 275—281 (1980); eingegangen am 26. Oktober/18. Dezember 1979
	Published	1980
	Keywords	Lithio-aminofluorosilanes, Silylgroup Migration, Cyclisation, Crystal Structure
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	TEI-XML for	default:Reihe_B/35/ZNB-1980-35b-0275.pdf
	Identifier	ZNB-1980-35b-0275
	Volume	35