Three-dimensional structures of phosphorus-containing heterocycles. Communication 34. 2-Phenoxy-2-oxo-1,3,2-oxathiaphosphorinanes |
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Authors: | B. A. Arbuzov R. P. Arshinova O. V. Ovodova O. I. Danilova O. N. Nuretdinova Yu. Yu. Samitov |
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Affiliation: | (1) A. M. Butlerov Chemical Institute, V. I. Ul'yanov-Lenin Kazan State University, USSR;(2) A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Branch, Academy of Sciences of the USSR, USSR |
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Abstract: | Conclusions According to the data from the1H NMR spectra, the dipole moments, and the Kerr effect, the preferred conformation of 2-aroxy-2-oxy-1,3,2-oxathiaphosphorinanes is a chair conformation with an axial orientation of the aroxy grouping and a gauche orientation of the aryl group relative to the P=O bond on the side of the cyclic oxygen atom. In the investigated compounds the p- conjugation is disrupted, as evidenced by the orthogonal orientation of the unshared pair of p electrons of the exocyclic oxygen atom and the orbitals of the benzene ring.Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 570–575, March, 1985. |
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