Indium complexes incorporating bidentate substituted pyrrole ligand: Synthesis, characterization, and ring-opening polymerization of ε-caprolactone

I. Ping Hsieh; Chun Hsueh Huang; Hon Man Lee; Pei Cheng Kuo; Jui Hsien Huang; Hong I. Lee; Jwu Ting Cheng; Gene Hsiang Lee

doi:10.1016/j.ica.2005.09.054

Indium complexes incorporating bidentate substituted pyrrole ligand: Synthesis, characterization, and ring-opening polymerization of ε-caprolactone

I. Ping Hsieh, Chun Hsueh Huang, Hon Man Lee, Pei Cheng Kuo, Jui Hsien Huang, Hong I. Lee, Jwu Ting Cheng, Gene Hsiang Lee

Department of Chemistry

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

30 Citations (Scopus)

Abstract

The reactions of InCl₃ with two and three equivalents of lithium (2-dimethylaminomethyl)pyrrolate (1) in diethyl ether solutions afford In[C₄H₃N(CH₂NMe₂)]₂Cl (2) and In[C₄H₃N(CH₂NMe₂)]₃ (3) in 92% and 50% yield, respectively. Subsequent reactions of 2 with MeLi and Li(CCPh) yield In[C₄H₃N(CH₂NMe ₂)]₂Me (4) and In[C₄H₃N(CH ₂NMe₂)]₂(CCPh) (5), respectively. All compounds were confirmed by ¹H and ¹³C NMR spectroscopy and compounds 3, 4, and 5 were further characterized by single-crystal X-ray crystallography. Compounds 2, 3, and 4 showed moderate catalytic activity toward the ring-opening polymerization of ε-caprolactone.

Original language	English
Pages (from-to)	497-504
Number of pages	8
Journal	Inorganica Chimica Acta
Volume	359
Issue number	2
DOIs	https://doi.org/10.1016/j.ica.2005.09.054
Publication status	Published - 2006 Jan 20

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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title = "Indium complexes incorporating bidentate substituted pyrrole ligand: Synthesis, characterization, and ring-opening polymerization of ε-caprolactone",

abstract = "The reactions of InCl3 with two and three equivalents of lithium (2-dimethylaminomethyl)pyrrolate (1) in diethyl ether solutions afford In[C4H3N(CH2NMe2)]2Cl (2) and In[C4H3N(CH2NMe2)]3 (3) in 92% and 50% yield, respectively. Subsequent reactions of 2 with MeLi and Li(CCPh) yield In[C4H3N(CH2NMe 2)]2Me (4) and In[C4H3N(CH 2NMe2)]2(CCPh) (5), respectively. All compounds were confirmed by 1H and 13C NMR spectroscopy and compounds 3, 4, and 5 were further characterized by single-crystal X-ray crystallography. Compounds 2, 3, and 4 showed moderate catalytic activity toward the ring-opening polymerization of ε-caprolactone.",

author = "Hsieh, {I. Ping} and Huang, {Chun Hsueh} and Lee, {Hon Man} and Kuo, {Pei Cheng} and Huang, {Jui Hsien} and Lee, {Hong I.} and Cheng, {Jwu Ting} and Lee, {Gene Hsiang}",

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doi = "10.1016/j.ica.2005.09.054",

language = "English",

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journal = "Inorganica Chimica Acta",

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Indium complexes incorporating bidentate substituted pyrrole ligand : Synthesis, characterization, and ring-opening polymerization of ε-caprolactone. / Hsieh, I. Ping; Huang, Chun Hsueh; Lee, Hon Man; Kuo, Pei Cheng; Huang, Jui Hsien; Lee, Hong I.; Cheng, Jwu Ting; Lee, Gene Hsiang.

In: Inorganica Chimica Acta, Vol. 359, No. 2, 20.01.2006, p. 497-504.

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

TY - JOUR

T1 - Indium complexes incorporating bidentate substituted pyrrole ligand

T2 - Synthesis, characterization, and ring-opening polymerization of ε-caprolactone

AU - Hsieh, I. Ping

AU - Huang, Chun Hsueh

AU - Lee, Hon Man

AU - Kuo, Pei Cheng

AU - Huang, Jui Hsien

AU - Lee, Hong I.

AU - Cheng, Jwu Ting

AU - Lee, Gene Hsiang

PY - 2006/1/20

Y1 - 2006/1/20

N2 - The reactions of InCl3 with two and three equivalents of lithium (2-dimethylaminomethyl)pyrrolate (1) in diethyl ether solutions afford In[C4H3N(CH2NMe2)]2Cl (2) and In[C4H3N(CH2NMe2)]3 (3) in 92% and 50% yield, respectively. Subsequent reactions of 2 with MeLi and Li(CCPh) yield In[C4H3N(CH2NMe 2)]2Me (4) and In[C4H3N(CH 2NMe2)]2(CCPh) (5), respectively. All compounds were confirmed by 1H and 13C NMR spectroscopy and compounds 3, 4, and 5 were further characterized by single-crystal X-ray crystallography. Compounds 2, 3, and 4 showed moderate catalytic activity toward the ring-opening polymerization of ε-caprolactone.

AB - The reactions of InCl3 with two and three equivalents of lithium (2-dimethylaminomethyl)pyrrolate (1) in diethyl ether solutions afford In[C4H3N(CH2NMe2)]2Cl (2) and In[C4H3N(CH2NMe2)]3 (3) in 92% and 50% yield, respectively. Subsequent reactions of 2 with MeLi and Li(CCPh) yield In[C4H3N(CH2NMe 2)]2Me (4) and In[C4H3N(CH 2NMe2)]2(CCPh) (5), respectively. All compounds were confirmed by 1H and 13C NMR spectroscopy and compounds 3, 4, and 5 were further characterized by single-crystal X-ray crystallography. Compounds 2, 3, and 4 showed moderate catalytic activity toward the ring-opening polymerization of ε-caprolactone.

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