CATALYTIC PROCESS FOR THE PREPARATION OF THIOCARBOXYLATE SILANE

The invention is directed to a process for the preparation of thiocarboxylate silane comprising reacting an aqueous solution of a salt of a thiocarboxylic acid with a haloalkyl silane in the presence of a solid inorganic oxide-supported phase transfer catalyst. The invention is also directed to a pr...

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Bibliographische Detailangaben
Hauptverfasser:	VECCHI, ILARIA, GLATZER, HOLGER, JURGEN, SIMANDAN, TIBERIU, LADISLAU
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention is directed to a process for the preparation of thiocarboxylate silane comprising reacting an aqueous solution of a salt of a thiocarboxylic acid with a haloalkyl silane in the presence of a solid inorganic oxide-supported phase transfer catalyst. The invention is also directed to a process for the preparation of an aqueous solution of a salt of a thiocarboxylic acid which comprises reacting an aqueous solution of a sulfide and/or hydrosulfide with an acid halide in the presence of a said solid catalyst. L'invention concerne un procédé pour la préparation de thiocarboxylatesilane comprenant la réaction d'une solution aqueuse d'un sel d'un acide thiocarboxylique avec un halogénoalkylsilane en présence d'un catalyseur solide de transfert de phase supporté sur un oxyde inorganique. L'invention concerne également un procédé pour la préparation d'une solution aqueuse d'un sel d'un acide thiocarboxylique qui comprend la réaction d'une solution aqueuse d'un sulfure et/ou d'un hydrosulfure avec un halogénure d'acide en présence d'un dit catalyseur solide.