Group 13 complexes of 5-methyl-1,3,5-dithiazinane

Juan Carlos Gálvez-Ruiz, Carlos Guadarrama-Pérez, Heinrich Nöth, Angelina Flores-Parra*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

The synthesis of mono-N adducts of 5-methyl-1,3,5-dithiazinane (1) with Al(CH3)3, Al(CH3)2Cl, AlCl 3, AlBr3 (5-8), a bis-N adduct with InCl3 (9), and the corresponding dithiazinanium salts with the anions AlBr4 -, AlC4-, GaCl4- and BCl4- (10-14) are reported. Compounds 5-7 adopt a preferred conformation in solution at room temperature and 8 at -10 °C. ΔG values for the ring inversion were calculated for 5-8. Compounds 6-14 were studied by single-crystal X-ray diffraction. The solution and solid-state analyses showed that the rings are present in all cases in a chair conformation. In compounds 5-8 the tetrahedral aluminum atom is found in an equatorial position. In the indium compound 9 the metal atom has a tbp geometry. For dithiazinanium rings 10-14 dipolar intra- and intermolecular interactions between halogen atoms and C-H and N-H are reported. Two different conformations for the N-CH3 were found in compound 14.

Original languageEnglish
Pages (from-to)601-611
Number of pages11
JournalEuropean Journal of Inorganic Chemistry
Issue number3
DOIs
StatePublished - 6 Feb 2004
Externally publishedYes

Keywords

  • Aluminum
  • Conformational analysis
  • Halides
  • Indium

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