Conclusions
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1.
Dipole moments and Kerr constants have been determined for 2-chloro-2-oxo- and 2-chloro-2-thiono-1,3,2-dioxaphospholanes and their methyl analogs.
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2.
Comparison of experimental and calculated values has shown that the preferred ring form in these compounds is envelope conformation with the carbon atom projecting out from the plane of the four remaining ring atoms. 4,4,5,5-Tetramethyl-3,2-dioxaphospholane exists in half-chair conformation.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 609–614, March, 1978.
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Arshinova, R.P., Mukmenev, É.T., Gurarii, L.I. et al. Geometrical structures of phosphorus-containing heterocyclic compounds. Russ Chem Bull 27, 524–528 (1978). https://doi.org/10.1007/BF00923930
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DOI: https://doi.org/10.1007/BF00923930