Conclusions
-
1.
Alkylation of tetraalkyldiphosphine disulfides with alkyl halides and alkylene dihalides gives the corresponding trialkylphosphine sulfides and tetraalkylalkylenediphosphine disulfides, and also dialkylthiophosphinyl halides.
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2.
Reaction of tetraalkyldiphosphine disulfides with organic disulfides and triaryl phosphites gives dialkyldithiophosphinite and -monothiophosphinite esters respectively.
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3.
Tetraalkyldiphosphine disulfides are cleaved by PCl3, PBr3, and POCl3 to form dialkylthiophosphinyl halides.
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4.
Phosphonic acid dichlorides are reduced by tetraalkyldiphosphine disulfides to form dichlorophosphines, and at the same time react with the oxidation products of the tetraalkyldiphosphine disulfides to form dialkylthiophosphinyl chlorides.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskya, No. 2, pp. 426–432, February, 1979.
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Tsvetkov, E.N., Chepaikina, T.A. & Kabachnik, M.I. New reactions involving phosphorus-phosphorus bond cleavage in tetraalkyldiphosphine disulfides. Russ Chem Bull 28, 394–399 (1979). https://doi.org/10.1007/BF00925893
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DOI: https://doi.org/10.1007/BF00925893