AZOCARBONYL-FUNCTIONALIZED SILANES

The invention provides azocarbonyl-functionalized silanes of the general formula I (R1)3-a(R2)a Si-R l-NH-C(O)-N=N-R4. They are prepared by a procedure in which in a first step hydrazine of the formula H2N-NH-R4 reacts with an isocyanatosilane of the general formula (R1)3-a(R2)a Si-R l-NCO, and in a...

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Bibliographische Detailangaben
Hauptverfasser:	KECK, JULIA, ERHARDT, SASCHA, PETERLE, TORSTEN, BLUME, ANKE, ROBEN, CAREN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The invention provides azocarbonyl-functionalized silanes of the general formula I (R1)3-a(R2)a Si-R l-NH-C(O)-N=N-R4. They are prepared by a procedure in which in a first step hydrazine of the formula H2N-NH-R4 reacts with an isocyanatosilane of the general formula (R1)3-a(R2)a Si-R l-NCO, and in a second step the product of the first step is oxidized with an oxidant, or in which in a first step hydrazine of the formula H2N-NH-R4 reacts with an acyl halide of the general formula CI-C(O)-O-R5, in a second step the product of the first step is oxidized with an oxidant and in a third step the product of the second step reacts with an aminosilane of the general formula (R1)3-a(R2)a Si-R l-NH2. It may be used for moldings.