Synthesis and structures of three, four, and six-coordinate monomeric tin(II) and tin(IV) compounds containing η2-ketiminate ligands

Hung Ming Kao, Shih Mao Ho, I. Chun Chen, Pei Cheng Kuo, Che Yu Lin, Cheng Yi Tu, Ching-Han Hu, Jui-Hsien Huang, Gene Hsiang Lee

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Abstract

A series of Sn(II) and Sn(IV) compounds containing ketiminate ligands were synthesized. Reactions of SnCl2 with 1 or 2 equiv. Li[OCMeCHCMeNAr] (where Ar = 2,6-diisopropylphenyl) generate [OCMeCHCMeNAr]SnCl (1) and [OCMeCHCMeNAr]2Sn (2) in moderate yield, respectively. Similarly, reacting SnCl4 with 2 equiv. Li[OCMeCHCMeNAr] yields a six-coordinated [OCMeCHCMeNAr]2SnCl2 (3). Divalent tin compound 2 can be oxidized with I2 in diethyl ether to generate tetravalent tin compound [OCMeCHCMeNAr]2SnI2 (4) in moderate yield. Compounds 1-4 have been characterized by 1H and 13C NMR spectroscopy and have been analyzed by X-ray crystallography. Theoretical calculation found that the bonding of ketiminate ligands and tin atom in compound 2 has a strong ionic character.

Original languageEnglish
Pages (from-to)2792-2798
Number of pages7
JournalInorganica Chimica Acta
Volume361
Issue number9-10
DOIs
Publication statusPublished - 2008 Jun 27

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Tin Compounds
Tin compounds
tin compounds
Tin
tin
Ligands
ligands
diethyl ether
X ray crystallography
synthesis
Ether
Nuclear magnetic resonance spectroscopy
crystallography
Ethers
Atoms
nuclear magnetic resonance
spectroscopy
atoms
x rays

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Kao, Hung Ming ; Ho, Shih Mao ; Chen, I. Chun ; Kuo, Pei Cheng ; Lin, Che Yu ; Tu, Cheng Yi ; Hu, Ching-Han ; Huang, Jui-Hsien ; Lee, Gene Hsiang. / Synthesis and structures of three, four, and six-coordinate monomeric tin(II) and tin(IV) compounds containing η2-ketiminate ligands. In: Inorganica Chimica Acta. 2008 ; Vol. 361, No. 9-10. pp. 2792-2798.
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Synthesis and structures of three, four, and six-coordinate monomeric tin(II) and tin(IV) compounds containing η2-ketiminate ligands. / Kao, Hung Ming; Ho, Shih Mao; Chen, I. Chun; Kuo, Pei Cheng; Lin, Che Yu; Tu, Cheng Yi; Hu, Ching-Han; Huang, Jui-Hsien; Lee, Gene Hsiang.

In: Inorganica Chimica Acta, Vol. 361, No. 9-10, 27.06.2008, p. 2792-2798.

Research output: Contribution to journalArticle

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T1 - Synthesis and structures of three, four, and six-coordinate monomeric tin(II) and tin(IV) compounds containing η2-ketiminate ligands

AU - Kao, Hung Ming

AU - Ho, Shih Mao

AU - Chen, I. Chun

AU - Kuo, Pei Cheng

AU - Lin, Che Yu

AU - Tu, Cheng Yi

AU - Hu, Ching-Han

AU - Huang, Jui-Hsien

AU - Lee, Gene Hsiang

PY - 2008/6/27

Y1 - 2008/6/27

N2 - A series of Sn(II) and Sn(IV) compounds containing ketiminate ligands were synthesized. Reactions of SnCl2 with 1 or 2 equiv. Li[OCMeCHCMeNAr] (where Ar = 2,6-diisopropylphenyl) generate [OCMeCHCMeNAr]SnCl (1) and [OCMeCHCMeNAr]2Sn (2) in moderate yield, respectively. Similarly, reacting SnCl4 with 2 equiv. Li[OCMeCHCMeNAr] yields a six-coordinated [OCMeCHCMeNAr]2SnCl2 (3). Divalent tin compound 2 can be oxidized with I2 in diethyl ether to generate tetravalent tin compound [OCMeCHCMeNAr]2SnI2 (4) in moderate yield. Compounds 1-4 have been characterized by 1H and 13C NMR spectroscopy and have been analyzed by X-ray crystallography. Theoretical calculation found that the bonding of ketiminate ligands and tin atom in compound 2 has a strong ionic character.

AB - A series of Sn(II) and Sn(IV) compounds containing ketiminate ligands were synthesized. Reactions of SnCl2 with 1 or 2 equiv. Li[OCMeCHCMeNAr] (where Ar = 2,6-diisopropylphenyl) generate [OCMeCHCMeNAr]SnCl (1) and [OCMeCHCMeNAr]2Sn (2) in moderate yield, respectively. Similarly, reacting SnCl4 with 2 equiv. Li[OCMeCHCMeNAr] yields a six-coordinated [OCMeCHCMeNAr]2SnCl2 (3). Divalent tin compound 2 can be oxidized with I2 in diethyl ether to generate tetravalent tin compound [OCMeCHCMeNAr]2SnI2 (4) in moderate yield. Compounds 1-4 have been characterized by 1H and 13C NMR spectroscopy and have been analyzed by X-ray crystallography. Theoretical calculation found that the bonding of ketiminate ligands and tin atom in compound 2 has a strong ionic character.

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