Journal of the American Chemical Society 2012-03-14

Lewis base mediated autoionization of GeCl2 and SnCl2.

Amit Pratap Singh, Herbert W Roesky, Elena Carl, Dietmar Stalke, Jean-Philippe Demers, Adam Lange

Index: J. Am. Chem. Soc. 134(10) , 4998-5003, (2012)

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Abstract

Cationic and anionic species of heavier low-valent group 14 elements are intriguing targets in main group chemistry due to their synthetic potential and industrial applications. In the present study, we describe the synthesis of cationic (MCl(+)) and anionic (MCl(3)(-)) species of heavier low-valent group 14 elements of germanium(II) and tin(II) by using the substituted Schiff base 2,6-diacetylpyridinebis(2,6-diisopropylanil) as Lewis base (LB). Treatment of LB with 2 equiv of GeCl(2)·dioxane and SnCl(2) in toluene gives compounds [(LB)Ge(II)Cl](+)[Ge(II)Cl(3)](-) (1) and [(LB)Sn(II)Cl](+)[Sn(II)Cl(3)](-) (2), respectively, which possess each a low-valent cation and an anion. Compounds 1 and 2 are well characterized with various spectroscopic methods and single crystal X-ray structural analysis.

Related Compounds

  • Germanium chloride
  • Tin(II) chloride
  • Stannous chloride...

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