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Austausch von Chlorisotopen am Phosphoratom, 1. Mitt.: Dialkylchlorthiophosphate

Chlorine isotopic exchange at phosphorus atoms, I.: Chloridothiophosphates

  • Anorganische, Struktur- und Physikalische Chemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Zusammenfassung

An den Modellverbindungen Dialkylchlorthiophosphat (RO)2P(S)Cl (R=Me, Et, n-Pr) und Diphenylchlorthiophosphat (PhO)2P(S)Cl wurde der Austausch Chlorid—Radiochlorid am Thiophosphorylzentrum untersucht. Die bimolekularen Geschwindigkeitskonstanten, die Aktivierungsenergien und Aktivierungsentropien wurden berechnet. Der Einfluß von Substituenten auf bimolekulare Substitutionsreaktionen am vierfach koordinierten Phosphoratom wurde diskutiert.

Abstract

The chloride—radiochloride ion exchange at the thiophosphoryl centre has been studied using dialkylchloridothiophosphates (RO)2P(S)Cl (R=Me, Et, n-Pr) and diphenylphosphorochloridothionate, (PhO)2P(S)Cl, as model compounds. The bimolecular rate constants, energies and entropies of activation have been calculated. Effects of the substituents in the bimolecular displacement reaction on four-coordinated phosphorus atom have been discussed.

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Authors and Affiliations

  1. Institut für organische Chemie, Polnische Akademie der Wissenschaften, Żwirki 36, Łodz 40

    M. Mikoŀajczyk & J. Michalski

  2. Radiochemische Abteilung, Institut für Kernforschung, Dorodna 16, Warschau 9

    A. Halpern & R. Sochaxcka

Authors
  1. M. Mikoŀajczyk
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  2. J. Michalski
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  3. A. Halpern
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  4. R. Sochaxcka
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Mikoŀajczyk, M., Michalski, J., Halpern, A. et al. Austausch von Chlorisotopen am Phosphoratom, 1. Mitt.: Dialkylchlorthiophosphate. Monatshefte für Chemie 100, 1266–1273 (1969). https://doi.org/10.1007/BF00903462

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  • DOI: https://doi.org/10.1007/BF00903462

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