Bei der Elektrolyse von Trialkylphosphinoxiden mit kleinen Alkylresten wie (Ia)‐(Ic) in HF (Anode Ni, Kathode Stahl, Fläche der Anode 750 cm2, Zwischenschichtmaterial Fluoroplast 4, Stromdichte 0,2‐0,05 A/cm2, Elektrodenspannung 5,2‐5,6 V) entsteht zunächst das entsprechende Phosphoran (II).
The title compounds (III) are prepared either by alcoholysis of the phosphinic chlorides (I) with the alcohols (II) or by reaction of the silver phosphinate (IV) with the alkyl iodides (V).
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