Abstract
The (diorganophosphinopropyl)alkyl ethers 1-7 are prepared by hydrophosphination of allylalkyl ethers with secondary phosphines. The corresponding thioethers cannot be obtained in a pure state by the same route. The nucleophilic ring opening of thiirane with lithium dialkyl phosphides, followed by the reaction with ClSi(CH3)3 or Cl(CH2)2OCH3 produces the thioethers 8-12 and 16. The silylated thioethers 8, 10 and 12 react with CH3OH/H2O to give the phosphinoethyl thiols 13-15. All new compounds have been identified and characterized by elemental analyses, IR and NMR spectra.
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