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Dipole moment and conformation of 2,6-diphenyltetrahydrothiopyran-4-one and some of its derivatives

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On the basis of the DM method it was concluded that the cis-isomers of 2,6-diphenyl- and 2,6-(di-p-chloro)-diphenyltetrahydrothiopyran-4-one, their 1-oxides and 1,1-dioxides have a chair conformation with diequatorial arrangement of the phenyl radicals.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2385–2390, November, 1969.

The authors would like to thank O.D. Zolova for her aid in the experiment.

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Arbuzov, B.A., Yuldasheva, L.K. & Arshinova, R.P. Dipole moment and conformation of 2,6-diphenyltetrahydrothiopyran-4-one and some of its derivatives. Russ Chem Bull 18, 2235–2239 (1969).

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  • Phenyl
  • Dipole Moment
  • Phenyl Radical
  • Chair Conformation