Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates

Wu Sian Sie; Jing Yu Jian; Tzu Chih Su; Gene Hsiang Lee; Hon Man Lee; Kom Bei Shiu

doi:10.1016/j.jorganchem.2007.12.009

Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates

Wu Sian Sie, Jing Yu Jian, Tzu Chih Su, Gene Hsiang Lee, Hon Man Lee, Kom Bei Shiu

Department of Chemistry

Research output: Contribution to journal › Article

21 Citations (Scopus)

Abstract

Heating of [Ir(η²-ppy)₂(MeCN)₂]NO₃ (1, ppy = 2-phenylpyridine) in MeCN under reflux afforded [Ir(η²-ppy)₂(η²-NO₃)] (2). Treatment of 1 with 2-mercaptopyridine (Hmp), 6-methyl-2-hydroxypyridine (Hmhp), 6-chloro-2-hydroxypyridine (Hchp), trimethylacetic acid (Htma), benzoic acid (Hbz), 2-methylacrylic acid (Hma), and acetic acid (Hac) in the presence of excess Et₃N produced [Ir(η²-ppy)₂(η²-XZY)] (XZY^- = mp^- (3), mhp^- (4), chp^- (5), ac^- (6), bz^- (7), ma^- (8), tma^- (9)). Crystal structures of 2, 3, 7, 8, and 9 have been characterized by X-ray diffraction. The inherent strain contained in the four-member rings, {Ir(η²-XZY)}, is apparently reflected in the long Ir-X and Ir-Y distances. The absorption and emission properties of nearly all the new complexes except 2 show small variations.

Original language	English
Pages (from-to)	1510-1517
Number of pages	8
Journal	Journal of Organometallic Chemistry
Volume	693
Issue number	8-9
DOIs	https://doi.org/10.1016/j.jorganchem.2007.12.009
Publication status	Published - 2008 Apr 15

All Science Journal Classification (ASJC) codes

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Materials Chemistry

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Sie, W. S., Jian, J. Y., Su, T. C., Lee, G. H., Lee, H. M., & Shiu, K. B. (2008). Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates. Journal of Organometallic Chemistry, 693(8-9), 1510-1517. https://doi.org/10.1016/j.jorganchem.2007.12.009

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title = "Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates",

abstract = "Heating of [Ir(η2-ppy)2(MeCN)2]NO3 (1, ppy = 2-phenylpyridine) in MeCN under reflux afforded [Ir(η2-ppy)2(η2-NO3)] (2). Treatment of 1 with 2-mercaptopyridine (Hmp), 6-methyl-2-hydroxypyridine (Hmhp), 6-chloro-2-hydroxypyridine (Hchp), trimethylacetic acid (Htma), benzoic acid (Hbz), 2-methylacrylic acid (Hma), and acetic acid (Hac) in the presence of excess Et3N produced [Ir(η2-ppy)2(η2-XZY)] (XZY- = mp- (3), mhp- (4), chp- (5), ac- (6), bz- (7), ma- (8), tma- (9)). Crystal structures of 2, 3, 7, 8, and 9 have been characterized by X-ray diffraction. The inherent strain contained in the four-member rings, {Ir(η2-XZY)}, is apparently reflected in the long Ir-X and Ir-Y distances. The absorption and emission properties of nearly all the new complexes except 2 show small variations.",

author = "Sie, {Wu Sian} and Jian, {Jing Yu} and Su, {Tzu Chih} and Lee, {Gene Hsiang} and Lee, {Hon Man} and Shiu, {Kom Bei}",

year = "2008",

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doi = "10.1016/j.jorganchem.2007.12.009",

language = "English",

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T1 - Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates

AU - Sie, Wu Sian

AU - Jian, Jing Yu

AU - Su, Tzu Chih

AU - Lee, Gene Hsiang

AU - Lee, Hon Man

AU - Shiu, Kom Bei

PY - 2008/4/15

Y1 - 2008/4/15

N2 - Heating of [Ir(η2-ppy)2(MeCN)2]NO3 (1, ppy = 2-phenylpyridine) in MeCN under reflux afforded [Ir(η2-ppy)2(η2-NO3)] (2). Treatment of 1 with 2-mercaptopyridine (Hmp), 6-methyl-2-hydroxypyridine (Hmhp), 6-chloro-2-hydroxypyridine (Hchp), trimethylacetic acid (Htma), benzoic acid (Hbz), 2-methylacrylic acid (Hma), and acetic acid (Hac) in the presence of excess Et3N produced [Ir(η2-ppy)2(η2-XZY)] (XZY- = mp- (3), mhp- (4), chp- (5), ac- (6), bz- (7), ma- (8), tma- (9)). Crystal structures of 2, 3, 7, 8, and 9 have been characterized by X-ray diffraction. The inherent strain contained in the four-member rings, {Ir(η2-XZY)}, is apparently reflected in the long Ir-X and Ir-Y distances. The absorption and emission properties of nearly all the new complexes except 2 show small variations.

AB - Heating of [Ir(η2-ppy)2(MeCN)2]NO3 (1, ppy = 2-phenylpyridine) in MeCN under reflux afforded [Ir(η2-ppy)2(η2-NO3)] (2). Treatment of 1 with 2-mercaptopyridine (Hmp), 6-methyl-2-hydroxypyridine (Hmhp), 6-chloro-2-hydroxypyridine (Hchp), trimethylacetic acid (Htma), benzoic acid (Hbz), 2-methylacrylic acid (Hma), and acetic acid (Hac) in the presence of excess Et3N produced [Ir(η2-ppy)2(η2-XZY)] (XZY- = mp- (3), mhp- (4), chp- (5), ac- (6), bz- (7), ma- (8), tma- (9)). Crystal structures of 2, 3, 7, 8, and 9 have been characterized by X-ray diffraction. The inherent strain contained in the four-member rings, {Ir(η2-XZY)}, is apparently reflected in the long Ir-X and Ir-Y distances. The absorption and emission properties of nearly all the new complexes except 2 show small variations.

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