A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

Yu Ling Lien; Ya Chi Change; Nien Tsu Chuang; Amitabha Datta; Shau Jiun Chen; Ching Han Hu; Wen Yen Huang; Chia Her Lin; Jui Hsien Huang

doi:10.1021/ic9016189

A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

Yu Ling Lien, Ya Chi Change, Nien Tsu Chuang, Amitabha Datta, Shau Jiun Chen, Ching Han Hu, Wen Yen Huang, Chia Her Lin, Jui Hsien Huang

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Abstract

The new pyrrolyl-linked pincer-type ligand, [C₄H ₂NH(2-CH₂NH^tBu)(5-CH₂NMe ₂)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C₄H₂N(2-CH₂NH^tBu)(5- CH₂NMe₂)]AlH₂ (2), that has been generated from Me₃N.AlH₃ using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C₄H₂N(2-CH₂NH^tBu)(5-CH ₂NMe₂)]Al(PhCOCHCOPh)₂ (3) and [C ₄H₂N(2-CH₂NH^tBu)(5-CH ₂NMe₂)]Al(SCHNPh)₂ (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.

Original language	English (US)
Pages (from-to)	136-143
Number of pages	8
Journal	Inorganic chemistry
Volume	49
Issue number	1
DOIs	https://doi.org/10.1021/ic9016189
State	Published - Jan 4 2010
Externally published	Yes

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title = "A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes",

abstract = "The new pyrrolyl-linked pincer-type ligand, [C4H 2NH(2-CH2NHtBu)(5-CH2NMe 2)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C4H2N(2-CH2NHtBu)(5- CH2NMe2)]AlH2 (2), that has been generated from Me3N.AlH3 using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(PhCOCHCOPh)2 (3) and [C 4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(SCHNPh)2 (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.",

author = "Lien, {Yu Ling} and Change, {Ya Chi} and Chuang, {Nien Tsu} and Amitabha Datta and Chen, {Shau Jiun} and Hu, {Ching Han} and Huang, {Wen Yen} and Lin, {Chia Her} and Huang, {Jui Hsien}",

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T1 - A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

AU - Lien, Yu Ling

AU - Change, Ya Chi

AU - Chuang, Nien Tsu

AU - Datta, Amitabha

AU - Chen, Shau Jiun

AU - Hu, Ching Han

AU - Huang, Wen Yen

AU - Lin, Chia Her

AU - Huang, Jui Hsien

PY - 2010/1/4

Y1 - 2010/1/4

N2 - The new pyrrolyl-linked pincer-type ligand, [C4H 2NH(2-CH2NHtBu)(5-CH2NMe 2)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C4H2N(2-CH2NHtBu)(5- CH2NMe2)]AlH2 (2), that has been generated from Me3N.AlH3 using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(PhCOCHCOPh)2 (3) and [C 4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(SCHNPh)2 (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.

AB - The new pyrrolyl-linked pincer-type ligand, [C4H 2NH(2-CH2NHtBu)(5-CH2NMe 2)] (1), that has been employed conveniently in high yield by treatment of (2-t-butylaminomethyl)pyrrole with 1 equiv of formaldehyde and dimethylamine hydrochloride each in diethylether and its corresponding aluminum derivative, [C4H2N(2-CH2NHtBu)(5- CH2NMe2)]AlH2 (2), that has been generated from Me3N.AlH3 using diethylether as a solvent are described. Furthermore, reactions of 2 with 2 equiv of either 1,3-diphenylpropane-1,3-dione in diethylether or phenyl thioisocyanate in dichloromethane interestingly formed [C4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(PhCOCHCOPh)2 (3) and [C 4H2N(2-CH2NHtBu)(5-CH 2NMe2)]Al(SCHNPh)2 (4), respectively, following deprotonation or hydroalumination reaction kinetics under a dry nitrogen environment. All of the compounds have been subjected to the X-ray diffraction technique in the solid state as well as characterized by NMR spectra.

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A new type of asymmetric tridentate pyrrolyl-linked pincer ligand and lts aluminum dihydride complexes

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