NEUE ZWISCHENPRODUKTE FÜR DIE SYNTHESE VON BISPHOSPHINVERBINDUNGEN

(Bis-4,4'-dibenzofuran-3,3'-yl) bis-dihydrocarbyl phosphonates of formula (I) in the form of racemates or enantiomers are new. R = 1-6C alkyl, aryl or aralkyl; or two R gps. = 1-6C bridging hydrocarbon. Also claimed are (dibenzofuran-3-yl)dihydrocarbylphosphonates (II) of formula (A; X = P...

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Bibliographische Detailangaben
Hauptverfasser:	ARLT, DIETER, DR, LAUE, CHRISTIAN, SIRGES, WOLFRAM, GROSSER, ROLF
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	(Bis-4,4'-dibenzofuran-3,3'-yl) bis-dihydrocarbyl phosphonates of formula (I) in the form of racemates or enantiomers are new. R = 1-6C alkyl, aryl or aralkyl; or two R gps. = 1-6C bridging hydrocarbon. Also claimed are (dibenzofuran-3-yl)dihydrocarbylphosphonates (II) of formula (A; X = P(=O)(OR )2; Y = H) and (di-2-halo-benzofuran-3-yl)dihydrocarbyl phosphonates (III) of formula (A; X = P(=O)(OR )2; Y = halogen).