Synthesis and characterization of organoaluminum complexes containing bi- or tridentate-substituted pyrrole ligands

Jui Hsien Huang; Hsing Jen Chen; Jr Chiuan Chang; Chong Chin Zhou; Gene Hsiang Lee; Shie Ming Peng

doi:10.1021/om000951l

Synthesis and characterization of organoaluminum complexes containing bi- or tridentate-substituted pyrrole ligands

Jui Hsien Huang, Hsing Jen Chen, Jr Chiuan Chang, Chong Chin Zhou, Gene Hsiang Lee, Shie Ming Peng

Department of Chemistry

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42 Citations (Scopus)

Abstract

Reactions of AlCl₃ with 1 equiv of Li{C₄H₂N(CH₂NMe₂)₂-2,5} or 2 equiv of Li{C₄H₃N(CH₂NMe₂)-2} in diethyl ether at -78°C afforded AlCl₂{C₄H₂N(CH₂NMe₂)₂-2,5} (1) and AlCl{C₄H₃N(CH₂NMe₂)-2} (2), respectively. Alkylation of 1 with MeLi in diethyl ether generates the aluminum dimethyl complex 3. Compound 2 is thermally unstable and was converted to uncharacterized product in CHCl₃ within 2 days at 80°C. Compounds 1, 2, and 3 were characterized by NMR spectroscopy and X-ray structure determination.

Original language	English
Pages (from-to)	2647-2650
Number of pages	4
Journal	Organometallics
Volume	20
Issue number	12
DOIs	https://doi.org/10.1021/om000951l
Publication status	Published - 2001 Jun 11

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All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

Cite this

Huang, J. H., Chen, H. J., Chang, J. C., Zhou, C. C., Lee, G. H., & Peng, S. M. (2001). Synthesis and characterization of organoaluminum complexes containing bi- or tridentate-substituted pyrrole ligands. Organometallics, 20(12), 2647-2650. https://doi.org/10.1021/om000951l

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title = "Synthesis and characterization of organoaluminum complexes containing bi- or tridentate-substituted pyrrole ligands",

abstract = "Reactions of AlCl3 with 1 equiv of Li{C4H2N(CH2NMe2)2-2,5} or 2 equiv of Li{C4H3N(CH2NMe2)-2} in diethyl ether at -78°C afforded AlCl2{C4H2N(CH2NMe2) 2-2,5} (1) and AlCl{C4H3N(CH2NMe2)-2} (2), respectively. Alkylation of 1 with MeLi in diethyl ether generates the aluminum dimethyl complex 3. Compound 2 is thermally unstable and was converted to uncharacterized product in CHCl3 within 2 days at 80°C. Compounds 1, 2, and 3 were characterized by NMR spectroscopy and X-ray structure determination.",

author = "Huang, {Jui Hsien} and Chen, {Hsing Jen} and Chang, {Jr Chiuan} and Zhou, {Chong Chin} and Lee, {Gene Hsiang} and Peng, {Shie Ming}",

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T1 - Synthesis and characterization of organoaluminum complexes containing bi- or tridentate-substituted pyrrole ligands

AU - Huang, Jui Hsien

AU - Chen, Hsing Jen

AU - Chang, Jr Chiuan

AU - Zhou, Chong Chin

AU - Lee, Gene Hsiang

AU - Peng, Shie Ming

PY - 2001/6/11

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N2 - Reactions of AlCl3 with 1 equiv of Li{C4H2N(CH2NMe2)2-2,5} or 2 equiv of Li{C4H3N(CH2NMe2)-2} in diethyl ether at -78°C afforded AlCl2{C4H2N(CH2NMe2) 2-2,5} (1) and AlCl{C4H3N(CH2NMe2)-2} (2), respectively. Alkylation of 1 with MeLi in diethyl ether generates the aluminum dimethyl complex 3. Compound 2 is thermally unstable and was converted to uncharacterized product in CHCl3 within 2 days at 80°C. Compounds 1, 2, and 3 were characterized by NMR spectroscopy and X-ray structure determination.

AB - Reactions of AlCl3 with 1 equiv of Li{C4H2N(CH2NMe2)2-2,5} or 2 equiv of Li{C4H3N(CH2NMe2)-2} in diethyl ether at -78°C afforded AlCl2{C4H2N(CH2NMe2) 2-2,5} (1) and AlCl{C4H3N(CH2NMe2)-2} (2), respectively. Alkylation of 1 with MeLi in diethyl ether generates the aluminum dimethyl complex 3. Compound 2 is thermally unstable and was converted to uncharacterized product in CHCl3 within 2 days at 80°C. Compounds 1, 2, and 3 were characterized by NMR spectroscopy and X-ray structure determination.

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10.1021/om000951l