Abstract
THE tetrahedral disposition of the 4-covalent phosphorus atom has been confirmed by the optical resolution of (a) a tertiary phosphine oxide, of type abcPO, by Meisenheimer et al. 1, (b) a tertiary phosphine sulphide, abcPS, by Davies and Mann2, and (c) a quaternary phosphonium salt, [abcdP]I, by Holliman and Mann3. No spirocyclic phosphonium salts, in which the two ring systems consist solely of carbon atoms apart from the phosphorus atom which is necessarily common to both, have, however, hitherto been recorded.
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Lyon and Mann, J. Chem. Soc., 30 (1945). Holliman and Mann, J. Chem. Soc., 45 (1945).
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MANN, F., HART, F. An Optically Active Spirocyclic Phosphonium Salt. Nature 175, 952 (1955). https://doi.org/10.1038/175952a0
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DOI: https://doi.org/10.1038/175952a0
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