I. Shakirov, R. R. Shagidullin, R. P. Arshinova
Feb 1, 1990
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Journal
Bulletin of the Academy of Sciences of the USSR, Division of chemical science
Abstract
Abstract5,5- 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.