Synthesis and structure characterization of 2-(dimethylaminomethyl)pyrrolate and 2,5-bis(dimethylaminomethyl)pyrrolate zirconium complexes

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

doi:10.1002/jccs.200000161

Synthesis and structure characterization of 2-(dimethylaminomethyl)pyrrolate and 2,5-bis(dimethylaminomethyl)pyrrolate zirconium complexes

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

Department of Chemistry

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Abstract

Tetrakis(diethylamido)zirconium reacts with 2-(dimethylamino)methyl pyrrole (DMAMP) and 2,5-[bis-(dimethylamino)methyl]pyrrole (BDMAMP) to give Zr(NEt)₂(DMAMP)₂ 1 and Zr(NEt)₃(BDMAMP) 2, respectively. Both 1 and 2 have been characterized by ¹H and ¹³C NMR spectroscopies and 1 has also been characterized by X-ray crystallography. Complex 1 shows an agostic interaction between Zr and H(21 A) in solid state that is not sustained in solution. Reacting 1 with 2 equivalents of trimethylsilyl chloride in toluene yields ZrCl₂(DMAMP)₂ 3 in 75% yield which was characterized by ¹H and ¹³C NMR spectroscopies.

Original language	English
Pages (from-to)	1191-1195
Number of pages	5
Journal	Journal of the Chinese Chemical Society
Volume	47
Issue number	6
DOIs	https://doi.org/10.1002/jccs.200000161
Publication status	Published - 2000 Jan 1

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Chemistry(all)

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Huang, J. H., Kuo, P. C., Lee, G. H., & Peng, S. M. (2000). Synthesis and structure characterization of 2-(dimethylaminomethyl)pyrrolate and 2,5-bis(dimethylaminomethyl)pyrrolate zirconium complexes. Journal of the Chinese Chemical Society, 47(6), 1191-1195. https://doi.org/10.1002/jccs.200000161

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title = "Synthesis and structure characterization of 2-(dimethylaminomethyl)pyrrolate and 2,5-bis(dimethylaminomethyl)pyrrolate zirconium complexes",

abstract = "Tetrakis(diethylamido)zirconium reacts with 2-(dimethylamino)methyl pyrrole (DMAMP) and 2,5-[bis-(dimethylamino)methyl]pyrrole (BDMAMP) to give Zr(NEt)2(DMAMP)2 1 and Zr(NEt)3(BDMAMP) 2, respectively. Both 1 and 2 have been characterized by 1H and 13C NMR spectroscopies and 1 has also been characterized by X-ray crystallography. Complex 1 shows an agostic interaction between Zr and H(21 A) in solid state that is not sustained in solution. Reacting 1 with 2 equivalents of trimethylsilyl chloride in toluene yields ZrCl2(DMAMP)2 3 in 75% yield which was characterized by 1H and 13C NMR spectroscopies.",

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AU - Huang, Jui Hsien

AU - Kuo, Pei Cheng

AU - Lee, Gene Hsiang

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N2 - Tetrakis(diethylamido)zirconium reacts with 2-(dimethylamino)methyl pyrrole (DMAMP) and 2,5-[bis-(dimethylamino)methyl]pyrrole (BDMAMP) to give Zr(NEt)2(DMAMP)2 1 and Zr(NEt)3(BDMAMP) 2, respectively. Both 1 and 2 have been characterized by 1H and 13C NMR spectroscopies and 1 has also been characterized by X-ray crystallography. Complex 1 shows an agostic interaction between Zr and H(21 A) in solid state that is not sustained in solution. Reacting 1 with 2 equivalents of trimethylsilyl chloride in toluene yields ZrCl2(DMAMP)2 3 in 75% yield which was characterized by 1H and 13C NMR spectroscopies.

AB - Tetrakis(diethylamido)zirconium reacts with 2-(dimethylamino)methyl pyrrole (DMAMP) and 2,5-[bis-(dimethylamino)methyl]pyrrole (BDMAMP) to give Zr(NEt)2(DMAMP)2 1 and Zr(NEt)3(BDMAMP) 2, respectively. Both 1 and 2 have been characterized by 1H and 13C NMR spectroscopies and 1 has also been characterized by X-ray crystallography. Complex 1 shows an agostic interaction between Zr and H(21 A) in solid state that is not sustained in solution. Reacting 1 with 2 equivalents of trimethylsilyl chloride in toluene yields ZrCl2(DMAMP)2 3 in 75% yield which was characterized by 1H and 13C NMR spectroscopies.

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10.1002/jccs.200000161