Abstract
Acyloxy derivatives of tetra phenylantinmony of the general formula Ph4SbOC(O)R (R = Alk or Ar) have been synthesized by the reaction of pemaphenylantimony with carboxylic acids. Thermolysis of the compounds obtained affords phenyl carboxylates and triphenylstibine in quantitative yields. One of these compounds (R = CH=CHPh) has been studied by X-ray structural analysis. In this compound, the Sb atom has a trigonal-bipyramidal coordination. The Sb-O(Ph)eq distances are in the range 2.103(4)-2.140(5) A; the Sb-C(Ph)ax bond length is 2.167(5) A. The fragment of the residue of cinnamic acid has a delocalized double bond in the carboxylate group.
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Yu. T. Struchkov deceased in 1995.
Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 1, pp. 194–198, January, 1996.
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Sharutina, O.K., Senchurin, V.A., Sharutin, V.V. et al. Synthesis and thermal decomposition of derivatives of acyloxytetraphenylantimony. Russ Chem Bull 45, 186–190 (1996). https://doi.org/10.1007/BF01433760
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DOI: https://doi.org/10.1007/BF01433760