Cyclic silazanes

The invention relates to cyclic silazanes of the formula IIin whichR is a divalent, Si-C and C-N-bound, optionally cyano- or halogen-substituted C3-C15-hydrocarbon radical, in which one or more, non-adjacent methylene units may be replaced by -O-, -CO-, -COO-, -OCO-, -OCOO-, -S- or -NRX- groups and...

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Bibliographische Detailangaben
Hauptverfasser:	SCHAEFER, OLIVER DR, FREY, VOLKER DR, PACHALY, BERND DR, BRADER, LEONHARD, BAUER, ANDREAS DR
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The invention relates to cyclic silazanes of the formula IIin whichR is a divalent, Si-C and C-N-bound, optionally cyano- or halogen-substituted C3-C15-hydrocarbon radical, in which one or more, non-adjacent methylene units may be replaced by -O-, -CO-, -COO-, -OCO-, -OCOO-, -S- or -NRX- groups and in which one or more non-adjacent methine units may be replaced by -N=, -N=N- or -P= groups, where at least 3 and at most 6 atoms are arranged between the silicon atom and the nitrogen atom of the ring,RX is hydrogen or an optionally halogen-substituted C1-C10-hydrocarbon radical, and R2 is a hydrogen atom or a monovalent, optionally cyano- or halogen-substituted, Si-C- bound C1-C20-hydrocarbon radical or C1-C20-hydrocarbonoxy radical, in each of which one or more non-adjacent methylene units may be replaced by -O-, -CO-, -COO-, -OCO-, -OCOO-, -S- or -NRX- groups and in which one or more non-adjacent methine units may be replaced by -N=, -N=N- or -P= groups.