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

Research output: Contribution to journalArticle

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Abstract

Heating of [Ir(η2-ppy)2(MeCN)2]NO3 (1, ppy = 2-phenylpyridine) in MeCN under reflux afforded [Ir(η2-ppy)22-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)22-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 languageEnglish
Pages (from-to)1510-1517
Number of pages8
JournalJournal of Organometallic Chemistry
Volume693
Issue number8-9
DOIs
Publication statusPublished - 2008 Apr 15

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Iridium
iridium
chelates
Atoms
acids
Benzoic Acid
Acids
Benzoic acid
benzoic acid
synthesis
acetic acid
Acetic acid
X-Ray Diffraction
Acetic Acid
Heating
atoms
Crystal structure
X ray diffraction
crystal structure
heating

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Sie, Wu Sian ; Jian, Jing Yu ; Su, Tzu Chih ; Lee, Gene Hsiang ; Lee, Hon Man ; Shiu, Kom Bei. / Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates. In: Journal of Organometallic Chemistry. 2008 ; Vol. 693, No. 8-9. pp. 1510-1517.
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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.",
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Synthesis, structures, and properties of iridium(III) bis-cyclometallated complexes containing three-atom chelates. / Sie, Wu Sian; Jian, Jing Yu; Su, Tzu Chih; Lee, Gene Hsiang; Lee, Hon Man; Shiu, Kom Bei.

In: Journal of Organometallic Chemistry, Vol. 693, No. 8-9, 15.04.2008, p. 1510-1517.

Research output: Contribution to journalArticle

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

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AU - Jian, Jing Yu

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AU - Lee, Hon Man

AU - Shiu, Kom Bei

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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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