Bis(bromodifluoroacetato)tris(5-chloro-2-methoxyphenyl)antimony, (2-MeO-5-ClC6H3)3-Sb[OC(O)CBrF2]2 ( 1 ), and bis(2,5-difluorobenzoato)tris(5-chloro-2-methoxyphenyl)antimony, (2-MeO-5-ClC6H3)3Sb[OC(O)C6H3F2-2,5]2 ( 2 ), were synthesized by the reaction of tris(5-chloro-2-methoxyphenyl)antimony with bromodifluoroacetic and 2,5-difluorobenzoic acids, respectively, in diethyl ether in the presence of hydrogen peroxide. The structures of these compounds were established by IR spectroscopy, 1H, 13C, and 19F NMR spectroscopy, elemental analysis, and X-ray diffraction. The distinguishing features of the molecular structures of tris(5-chloro-2-methoxyphenyl)antimony dicarboxylates are an additional coordination of the antimony atom by three methoxy oxygen atoms (along with intramolecular Sb⋯O(=C) interactions) and an usual orientation of carboxyl groups with respect to the SbC3 moiety. The presence of carboxyl groups and chlorine and fluorine atoms in organic moieties leads to the formation of three-dimensional structures in the crystals.
Translated title of the contributionTRIS(5-CHLORO-2-METHOXYPHENYL)ANTIMONY DICARBOXYLATES (2-MEO-5-CLC6H3)3SB[OC(O)R]2 (R = CF2BR, C6H3F2-2,5) AS HIGHLY COORDINATED ANTIMONY COMPOUNDS
Original languageRussian
Pages (from-to)707-711
Number of pages5
JournalИзвестия Академии наук. Серия химическая
Issue number4
Publication statusPublished - 2022

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