Abstract
5,5- Dimethyl-2-thio-2-phenoxy- and 5,5-dimethyl-2-thio-2-ethoxy-1,3,2-dioxaphosphorinanes exist in the liquid state and in solution in a three-component equilibrium featuring two chair forms with equatorial orientation of the P=S bond differing in the orientation of the OPh or OEt groups and a chair form with an axial P=S bond. The P=S bond in 4-methyl-2-thio-2-phenoxy-1,3,2-dioxaphosphorinane occupies the equatorial position.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 479–482, February, 1990.
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Shakirov, I.K., Shagidullin, R.R. & Arshinova, R.P. Spectroscopic study of the conformation of 1,3,2-dioxaphosphorinanes with a P=S bond. Russ Chem Bull 39, 416–420 (1990). https://doi.org/10.1007/BF00960686
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DOI: https://doi.org/10.1007/BF00960686