Abstract
Tetracoordinated derivatives of 2-halo-2-aryl-5H-1.2-oxatelluroles and 1-halo-l-butyl-3H-benz-2.1-oxatelluroles were synthesized by the oxidation of 3-aryltelluro-2 propen-l-ols and the dehydrogenation of 2-butyldihalotellurobenzyl alcohols. The halogen atoms in these compounds are readily replaced in nucleophilic substitution reactions. The reaction of benzoxatelluroles with bromine is accompanied by cleavage of O-Te bonds and leads, depending on the nature of the substituent at C(3), to 2-(butylbromotelluro)benzaldehyde or 2-(butyldibromotelluro)benzophenone.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 266–279, February, 1994. Original article submitted December 22, 1993.
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Sadekov, I.D., Maksimenko, A.A., Zakharov, A.V. et al. 5H-1,2-oxatelluroles and their benzo analogs: Synthesis and reactions. Chem Heterocycl Compd 30, 243–253 (1994). https://doi.org/10.1007/BF01165022
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DOI: https://doi.org/10.1007/BF01165022