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

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

43 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

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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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}",

year = "2001",

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doi = "10.1021/om000951l",

language = "English",

volume = "20",

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journal = "Organometallics",

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publisher = "American Chemical Society",

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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

Y1 - 2001/6/11

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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