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

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

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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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",

month = apr,

doi = "10.1002/ejic.200390187",

language = "English",

pages = "1440--1444",

journal = "Chemische Berichte",

issn = "0009-2940",

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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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