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Original Articles

Zur Kenntnis Der Organophosphorverbindungen Xxiii1 üBer Alkenylsubstituierte Amino-Bzw. Halogenphosphane Und Versuche Zum Intramolekularen Phosphinidenabfang

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Pages 307-320 | Received 11 Jul 1985, Published online: 14 Mar 2007
 

Abstract

Aminophosphanes RP(NEt2)2 and R2P(NEt2), obtained from alkenyl Grignard compounds RMgX (R =—CH=CH2, —CH2CH=CH2, o(CH2=CH)C6H4—, o(CH2=CHCH2)C6,H4—) and aminochlorophosphanes, reacted smoothly with hydrogen halide to give alkenylhalogenophosphanes RPX2 and R2PX (X = Cl, Br). Properties and reactions of some of these compounds, e.g. with &8 H2O2, H2O and LiAIH4 re reported. On reaction of RPX2 with magnesium only alkenylcyclophosphanes (RP) n were obtained while heterocycles as possible products of an intramolecular reaction of intermediately formed phosphinidenes were not observed.

Die aus Alkenylgrignardverbindungen RMgX (R = —CH=CH2, —CH2CH=CH2, o-(CH2=CH)C6H4—, und Aminochlorphosphanen erhaltenen Aminophosphane RP(NEt2)2 und R2 PNEt2 ergebent mit Halogenwassestoff glatt die Halogenphoshane RPX2 und R2 PX (X = Cl, Br). Eigenschaften und Reaktionen einiger dieser Phosphane mit S8, H2O2, H2O und LiAlH4 werden beschrieben. Bei der Umsetzung von RPX2 mit Magnesium bildeten sich ledighch die entsprechenden Alkenylcyclophosphane (RP)n. Heterocyclenbildung, als möghche Folge einer intramolekularen Reaktion intermediär entstandenen Phosphinidens, wurde nicht beobachtet.

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