Synthesis and characterization of five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands

Pei Cheng Kuo; Jui Hsien Huang; Chen Hsiung Hung; Gene Hsiang Lee; Shie Ming Peng

doi:10.1002/ejic.200390187

Synthesis and characterization of five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands

Pei Cheng Kuo, Jui Hsien Huang, Chen Hsiung Hung, Gene Hsiang Lee, Shie Ming Peng

Department of Chemistry

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20 Citations (Scopus)

Abstract

Five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands have been synthesized and characterized. The reaction of MCl₃ with 1 equiv. of Li[NC₄H₂(CH₂NMe₂) ₂-2,5] in diethyl ether affords [{NC₄H₂(CH₂NMe₂) ₂-2,5}MCl₂] [M = Ga (1), In (2)] in high yield. Reaction of 1 with 2 equiv. of MeLi in diethyl ether at -78 °C followed by heating to reflux for 30 min affords the alkylated product [{NC₄H₂(CH₂NMe₂) ₂-2,5}GaMe₂] (3). Similarly, the reaction of 2 with 2 equiv. of MeLi or nBuLi affords the dialkylated complexes 4 and 5, respectively. Complex 2 is a strong Lewis acid which readily absorbs H₂O forming [{[C₄H₂N(CH₂NMe₂) ₂-2,5]InCl₂}₂(μ-OH₂)] (6). Complexes 3, 4, and 6 have been characterized by X-ray crystallography.

Original language	English
Pages (from-to)	1440-1444
Number of pages	5
Journal	European Journal of Inorganic Chemistry
Issue number	7
DOIs	https://doi.org/10.1002/ejic.200390187
Publication status	Published - 2003 Apr

All Science Journal Classification (ASJC) codes

Inorganic Chemistry

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Kuo, P. C., Huang, J. H., Hung, C. H., Lee, G. H., & Peng, S. M. (2003). Synthesis and characterization of five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands. European Journal of Inorganic Chemistry, (7), 1440-1444. https://doi.org/10.1002/ejic.200390187

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title = "Synthesis and characterization of five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands",

abstract = "Five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands have been synthesized and characterized. The reaction of MCl3 with 1 equiv. of Li[NC4H2(CH2NMe2) 2-2,5] in diethyl ether affords [{NC4H2(CH2NMe2) 2-2,5}MCl2] [M = Ga (1), In (2)] in high yield. Reaction of 1 with 2 equiv. of MeLi in diethyl ether at -78 °C followed by heating to reflux for 30 min affords the alkylated product [{NC4H2(CH2NMe2) 2-2,5}GaMe2] (3). Similarly, the reaction of 2 with 2 equiv. of MeLi or nBuLi affords the dialkylated complexes 4 and 5, respectively. Complex 2 is a strong Lewis acid which readily absorbs H2O forming [{[C4H2N(CH2NMe2) 2-2,5]InCl2}2(μ-OH2)] (6). Complexes 3, 4, and 6 have been characterized by X-ray crystallography.",

author = "Kuo, {Pei Cheng} and Huang, {Jui Hsien} and Hung, {Chen Hsiung} and Lee, {Gene Hsiang} and Peng, {Shie Ming}",

year = "2003",

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doi = "10.1002/ejic.200390187",

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T1 - Synthesis and characterization of five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands

AU - Kuo, Pei Cheng

AU - Huang, Jui Hsien

AU - Hung, Chen Hsiung

AU - Lee, Gene Hsiang

AU - Peng, Shie Ming

PY - 2003/4

Y1 - 2003/4

N2 - Five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands have been synthesized and characterized. The reaction of MCl3 with 1 equiv. of Li[NC4H2(CH2NMe2) 2-2,5] in diethyl ether affords [{NC4H2(CH2NMe2) 2-2,5}MCl2] [M = Ga (1), In (2)] in high yield. Reaction of 1 with 2 equiv. of MeLi in diethyl ether at -78 °C followed by heating to reflux for 30 min affords the alkylated product [{NC4H2(CH2NMe2) 2-2,5}GaMe2] (3). Similarly, the reaction of 2 with 2 equiv. of MeLi or nBuLi affords the dialkylated complexes 4 and 5, respectively. Complex 2 is a strong Lewis acid which readily absorbs H2O forming [{[C4H2N(CH2NMe2) 2-2,5]InCl2}2(μ-OH2)] (6). Complexes 3, 4, and 6 have been characterized by X-ray crystallography.

AB - Five-coordinate gallium and indium complexes stabilized by tridentate, substituted pyrrole ligands have been synthesized and characterized. The reaction of MCl3 with 1 equiv. of Li[NC4H2(CH2NMe2) 2-2,5] in diethyl ether affords [{NC4H2(CH2NMe2) 2-2,5}MCl2] [M = Ga (1), In (2)] in high yield. Reaction of 1 with 2 equiv. of MeLi in diethyl ether at -78 °C followed by heating to reflux for 30 min affords the alkylated product [{NC4H2(CH2NMe2) 2-2,5}GaMe2] (3). Similarly, the reaction of 2 with 2 equiv. of MeLi or nBuLi affords the dialkylated complexes 4 and 5, respectively. Complex 2 is a strong Lewis acid which readily absorbs H2O forming [{[C4H2N(CH2NMe2) 2-2,5]InCl2}2(μ-OH2)] (6). Complexes 3, 4, and 6 have been characterized by X-ray crystallography.

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