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

doi:10.1016/j.ica.2008.02.002

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

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

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 language	English
Pages (from-to)	2792-2798
Number of pages	7
Journal	Inorganica Chimica Acta
Volume	361
Issue number	9-10
DOIs	https://doi.org/10.1016/j.ica.2008.02.002
Publication status	Published - 2008 Jun 27

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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@article{af0a29d9585b48699dc5b6928997a26e,

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

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.",

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

year = "2008",

month = jun,

day = "27",

doi = "10.1016/j.ica.2008.02.002",

language = "English",

volume = "361",

pages = "2792--2798",

journal = "Inorganica Chimica Acta",

issn = "0020-1693",

publisher = "Elsevier BV",

number = "9-10",

}

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 journal › Article › peer-review

TY - JOUR

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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