Notizen: Alkylsubstituierte Diphosphinomethane: Gemischte Cl/t-Bu- und Me/CH2SiMe3-Derivate [1] / Alkyl Substituted Diphosphinomethanes: Mixed Cl/t-Bu and Me/CH2SiMe3 Derivatives [1]

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Abstract
The syntheses of (t-Bu)2PCH2P(t-Bu)2 and (PhO)2PCH2P(Oph)2 and an improvement of the synthesis of Me2PCH2PMe2 are described. Mixed Me/CH2SiMe3 and Cl/t-Bu diphosphinomethane derivatives are characterized by means of NMR spectroscopy.