Cyclic phenol organosilanes and method for their preparation

Disclosed are 2-silacoumaranes and their o-allylphenolsilane monoester precursors and methods for their preparation. The benzene ring of these new compounds may be substituted with halogen and/or alkyl or alkyl halogen moieties. The cyclization of monoester precursor to the desired end products is p...

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Hauptverfasser:	KOETZSCH, HANS-JOACHIM, VAHLENSIECK
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	Disclosed are 2-silacoumaranes and their o-allylphenolsilane monoester precursors and methods for their preparation. The benzene ring of these new compounds may be substituted with halogen and/or alkyl or alkyl halogen moieties. The cyclization of monoester precursor to the desired end products is performed in the presence of catalysts. This cyclization can be performed without the isolation of the o-allyphenolsilane monoester by feeding by the cyclization reactor with the starting products for the preparation of this intermediate directly after they have reacted, or, if trichlorosilane is the starting product, directly after they have been mixed. Among other applications, the invention compounds are suitable for use as adhesion mediators and additives for coating compositions.