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Journal articles on the topic 'Iridium(III) chloride'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Schlapp-Hackl, Inge, Christoph Falschlunger, Kathrin Zauner та ін. "Syntheses and crystal structures of [IrIII{C(CHCO2Et)(dppm)2-κ4 P,C,C′,P′}ClH]Cl·2.75CH2Cl2 and its derivatives, [IrIII{C(CHCO2Et)(dppm)2-κ4 P,C,C′,P′}(CH2CO2Et)Cl]Cl·CH3OH·0.5H2O, [IrIII{C(CHCO2Et)(dppm)2-κ4 P,C,C′,P′}Cl2]Cl·CH3OH·2H2O and [IrIII{C(CHCO2Et)(dppm)2-κ4 P,C,C′,P′}(CH2CO2Et)(CO)]Cl2·2CH2Cl2·1.5H2O". Acta Crystallographica Section E Crystallographic Communications 75, № 1 (2019): 12–20. http://dx.doi.org/10.1107/s2056989018017024.

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The common feature of the four iridium(III) salt complexes, (bis{[(diphenylphosphanyl)methyl]diphenylphosphanylidene}(ethoxyoxoethanylidene)methane-κ4 P,C,C′,P′)chloridohydridoiridium(III) chloride methylene chloride 2.75-solvate (4), (bis{[(diphenylphosphanyl)methyl]diphenylphosphanylidene}(ethoxyoxoethanylidene)methane-κ4 P,C,C′,P′)chlorido(ethoxyoxoethanido)iridium(III) chloride–methanol–water (1/1/0.5) (5), (bis{[(diphenylphosphanyl)methyl]diphenylphosphanylidene}(ethoxyoxoethanylidene)methane-κ4 P,C,C′,P′)dichloridoiridium(III) chloride–methanol–water (1/1/2) (6) and (bis{[(diphenylphosph

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2

Anjali, Goel, R. Verma G., and S. Singh H. "Kinetics and mechanism of iridium(III) chloride catalyzed oxidation of ethylene glycol and methyl glycol by hexacyanoferrate(III) in aqueous alkaline medium." Journal of Indian Chemical Society Vol. 79, Aug 2002 (2002): 665–67. https://doi.org/10.5281/zenodo.5843309.

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Department of Chemistry. Kanya Gurukul Mahavidhyalaya, Gurukul Kangri University, Jwalapur, Hardwar-249 407, India <em>E-mail : </em>dr_anjaligoel@rediffmail.com                 <em>Fax : </em>91-0133-452290 Chemistry Department, S. D. (P.G.) College, Muzaffernagar-251 001, India Chemical Laboratories, University of Allahabad, Allahabad-21 1 002, India <em>Manuscript received 28 July 2000, revised 27 September 2001. accepted 21 March 2002</em> The iridiurn(III) chloride catalyzed oxidation of ethylene glycol and me

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3

Partl, Gabriel Julian, Felix Nussbaumer, Inge Schlapp-Hackl, et al. "Crystal structures of four new iridium complexes, each containing a highly flexible carbodiphosphorane PCP pincer ligand." Acta Crystallographica Section E Crystallographic Communications 74, no. 6 (2018): 846–52. http://dx.doi.org/10.1107/s2056989018007569.

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Compound [Ir(C8H12)(C51H45P4)]Cl2or [Ir(cod)(CH(dppm)2-κ3P,C,P)]Cl2(1a), was obtained from [IrCl(cod)]2and the carbodiphosphorane (CDP) salt [CH(dppm)2]Cl [where cod = cycloocta-1,5-diene and dppm = bis(diphenylphosphino)methane]. Treatment of1awith thallium(I) trifluoromethanesulfonate [Tl(OTf)] and subsequent crystallization gave complex [Ir(C8H12)(C51H45P4)](OTf)2·CH3CO2C2H5·CH2Cl2or [Ir(cod)(CH(dppm)2-κ3P,C,P)](OTf)2·CH3CO2C2H5·CH2Cl2(1b) [systematic name: (cycloocta-1,5-diene)(1,1,3,3,5,5,7,7-octaphenyl-1,7-diphospha-3,5-diphosphoniaheptan-4-yl)iridium(I) bis(trifluoromethanesulfonate)–et

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4

Schenk, Wolfdieter A., and Johanna Leißner. "Oxidative Addition von H2 und HCl an Iridium-Schwefelmonoxid- und Schwefeldioxid-Komplexe/ Oxidative Addition von H2 und HCl an Iridium-Schwefelmonoxid- und Schwefeldioxid-Komplexe." Zeitschrift für Naturforschung B 42, no. 8 (1987): 967–71. http://dx.doi.org/10.1515/znb-1987-0807.

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AbstractSquare planar iridium(I) complexes of sulfur monoxide and sulfur dioxide undergo oxidative addition with dihydrogen and hydrogen chloride. The resulting hydrido-iridium(III) complexes have been characterized by 1H , 31P NMR and IR spectroscopy. The limited stability of the sulfur monoxide derivatives is explained as resulting from decreased back-bonding between iridium and sulfur.

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5

Wu, Chun, Guodong Li, Quan-Bin Han, et al. "Real-time detection of oxalyl chloride based on a long-lived iridium(iii) probe." Dalton Transactions 46, no. 48 (2017): 17074–79. http://dx.doi.org/10.1039/c7dt04054g.

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6

Pigulski, Bartłomiej, Agata Jarszak, and Sławomir Szafert. "Selective synthesis of iridium(iii) end-capped polyynes by oxidative addition of 1-iodopolyynes to Vaska's complex." Dalton Transactions 47, no. 47 (2018): 17046–54. http://dx.doi.org/10.1039/c8dt04219e.

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The reaction of bis(triphenylphosphine)iridium(i) carbonyl chloride (Vaska's complex) with a series of 1-iodopolyynes (1-C<sub>n</sub>I and2-C<sub>n</sub>I) gave σ-polyynyl iridium(iii) complexes with general formula R(CC)<sub>n</sub>Ir(PPh<sub>3</sub>)<sub>2</sub>(Cl)(I)(CO).

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7

Lagos, Yolanda, Joana Palou-Mir, Antonio Bauzá, et al. "New chloride-dimethylsulfoxide-iridium(III) complex with histaminium." Polyhedron 102 (December 2015): 735–40. http://dx.doi.org/10.1016/j.poly.2015.10.036.

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8

(Miss), MANIBALA, S. SINGH H., KRISHNA B., and K. TANDON P. "lridium(lll) Chloride Catalysed Oxidation of Propan-2-one by Hexacyanoferrate(III) in Aqueous Alkaline Medium." Journal of Indian Chemical Society Vol. 62, Jun 1985 (1985): 434–37. https://doi.org/10.5281/zenodo.6319445.

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Chemical Laboratories, University of Allahabad, Allahabad-211 002 <em>Manuscript received 15 January 1983, revised 7 March 1984, accepted 8 June 1985</em> The kinetic data show direct proportionality with respect to ferrkyanide concentrations. The reaction rate is directly proportional to the substrate, OH<sup>-</sup> ions and iridium(III) at lower concentrations, but at higher concentrations the rate becomes independent of the substrate, alkali and the catalyst concentrations. These data suggest the formation of an activated complex between the substrate and iridium(III). Toffs complex w

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9

M., P. SINGH, K. TANDON P., M. SINGH R., and MEHROTRA ALKA. "lridium(III) Chloride catalysed Oxidation of some Alcohols by Alkaline Hexacyanoferrate(III)." Journal of Indian Chemical Society Vol. 67, June 1990 (1990): 458–62. https://doi.org/10.5281/zenodo.6163515.

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Chemical Laboratories, University of Allahabad, Allahabad-211 002 <em>Manuscript received 24 July 1989, revised 15 December 1989, accepted 6 February 1990</em> The oxidation of methanol, ethanol, propanol-1 and butanol-1 by alkaline hexacyanoferrate(III) using iridium(III) chloride as a homogeneous catalyst reveals first order kinetics at low concentrations. thereafter the rate of the reaction becomes independent with respect to hexacyanoferrate(III) and hydroxide ions each at their higher concentrations. The reaction follows direct proportionality with respect to [IrCl<sub>3</sub>],  and

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10

Merola, Joseph S., Carla Slebodnick та Christopher Houser. "Crystal structure of di-μ-chlorido-bis[dichloridobis(methanol-κO)iridium(III)] dihydrate: a surprisingly simple chloridoiridium(III) dinuclear complex with methanol ligands". Acta Crystallographica Section E Crystallographic Communications 71, № 5 (2015): 528–30. http://dx.doi.org/10.1107/s2056989015006672.

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The reaction between IrCl3·xH2O in methanol led to the formation of small amounts of the title compound, [Ir2Cl6(CH3OH)4]·2H2O, which consists of two IrCl4O2octahedra sharing an edgeviachloride bridges. The molecule lies across an inversion center. Each octahedron can be envisioned as being comprised of four chloride ligands in the equatorial plane with methanol ligands in the axial positions. A lattice water molecule is strongly hydrogen-bonded to the coordinating methanol ligands and weak interactions with coordinating chloride ligands lead to the formation of a three-dimensional network. Th

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11

Ludwig, Gerd, Marcus Korb, Tobias Rüffer, Heinrich Lang та Dirk Steinborn. "Chlorido[1-diphenylphosphanyl-3-(phenylsulfanyl)propane-κ2 P,S](η5-pentamethylcyclopentadienyl)iridium(III) chloride monohydrate". Acta Crystallographica Section E Structure Reports Online 68, № 6 (2012): m858. http://dx.doi.org/10.1107/s1600536812021964.

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The crystal structure of the title compound, [Ir(C10H15)Cl(C21H21PS)]Cl·H2O, consists of discrete [Ir(η5-C5Me5)Cl{Ph2P(CH2)3SPh-κP,κS}]+ cations, chloride anions and water molecules. The IrIII atom is coordinated by an η5-C5Me5 ligand, a chloride and a Ph2P(CH2)3SPh-κP,κS ligand, leading to a three-legged piano-stool geometry. In the crystal, two water molecules and two chloride anions are linked by weak O—H...Cl hydrogen bonding into tetramers that are located on centers of inversion. The H atoms of one of the methyl groups are disordered and were refined using a split model.

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12

Zuo, Huiping, Zhipeng Liu, Wu Yang, Zhikuan Zhou, and Kin Shing Chan. "User-friendly aerobic reductive alkylation of iridium(iii) porphyrin chloride with potassium hydroxide: scope and mechanism." Dalton Transactions 44, no. 47 (2015): 20618–25. http://dx.doi.org/10.1039/c5dt03845f.

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Alkylation of iridium 5,10,15,20-tetrakistolylporphyrinato carbonyl chloride, Ir(ttp)Cl(CO) (1), with 1°, 2° alkyl halides was achieved to give (ttp)Ir-alkyls in good yields under air and water compatible conditions by utilizing KOH as the cheap reducing agent.

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13

Chapaikina, S. A., A. I. Solomatina, and S. P. Tunik. "Reaction of Cyclometalated Phosphine Chloride Iridium(III) Complexes with Imidazole." Russian Journal of General Chemistry 90, no. 6 (2020): 1005–11. http://dx.doi.org/10.1134/s1070363220060110.

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14

Patel, Rakesh, Ravi Prakash, Ritu Swamini Bala, Brijesh Kumar Prajapati, and Rupam Yadav. "Kinetic Oxidation Studies of Pentoxifylline by N-Chlorosuccinimide in Acidic Medium Using Iridium(III) Chloride as Inhibitor." Asian Journal of Chemistry 34, no. 1 (2021): 162–68. http://dx.doi.org/10.14233/ajchem.2022.23494.

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In present study, the kinetics and mechanism of oxidation of pentoxifylline (PTX) by N-chlorosuccinimide (NCS) in acidic conditions at 40 ± 0.1 ºC is reported. The reaction depicts first-order kinetics in regard to [NCS], [PTX] and [HClO4]. The reaction rate goes on decreasing as the concentration of iridium(III) chloride is increased. This shows that iridium(III) chloride plays the role of an inhibitor in the reaction under investigation. Nil impact of [Hg(OAc)2], [NHS] and dielectric constant (D) of the medium on the rate of oxidation of pentoxifylline have been observed. This reaction has b

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15

Tellers, David M., and Robert G. Bergman. "Mechanistic study of ligand substitution processes in TpIr(III) complexes." Canadian Journal of Chemistry 79, no. 5-6 (2001): 525–28. http://dx.doi.org/10.1139/v00-162.

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The synthesis of the cationic hydridotris(pyrazolyl)borate iridium(III) complex [Tp(PMe3)IrMe(ClCH2Cl)][BArf] (2-CH2Cl2) is reported. Spectroscopic characterization of 2-CH2Cl2 in CH2Cl2 solution indicates that exchange of bound CH2Cl2 with free CH2Cl2 is slow on the NMR time scale. Under 50 atm (1 atm = 101.325 kPa) of N2, the CH2Cl2 in 2-CH2Cl2 is displaced by N2 to yield [Tp(PMe3)IrMe(N2)][BArf] (2-N2). The stronger nucleophile CH3CN reacts rapidly with 2-CH2Cl2 to produce [Tp(PMe3)IrMe(NCCH3)][BArf] (4). A kinetic study was performed on CH2Cl2 substitution in 2-CH2Cl2 by CD3CN. The data ar

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16

Yamagata, Tsuneaki, Kazunori Hoshida, Aika Iseki та Kazuhide Tani. "Di-μ-benzenethiolato-μ-chlorido-bis{hydrido[(S)-(−)-2,2′-bis(di-p-tolylphosphanyl)-1,1′-binaphthyl]iridium(III)} chloride 1,2-dichloroethane disolvate". Acta Crystallographica Section E Structure Reports Online 63, № 3 (2007): m918—m920. http://dx.doi.org/10.1107/s1600536807008665.

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The cation of the title compound, [Ir2ClH2(C6H5S)2(C48H40P2)2]Cl·2C2H4Cl2, exists as a bridged bifacial octahedral dinuclear iridium structure with C 2 symmetry (Cl lies on the rotation axis). The coordination environment of the Ir atom can be described as highly distorted octahedral with two P atoms, two bridging phenyl thiolato S atoms, a bridging chloride ligand, and a terminal hydride ligand.

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17

Morris, David M., та Joseph S. Merola. "Serendipitous preparation offac-(acetonitrile-κN)trichlorido[(1,2,5,6-η)-cycloocta-1,5-diene]iridium(III)". Acta Crystallographica Section E Crystallographic Communications 71, № 4 (2015): 371–73. http://dx.doi.org/10.1107/s2056989015004855.

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A reaction between [(COD)IrCl]2(COD is cycloocta-1,5-diene), HCl and indene failed to provide the hoped for chloridoindenyliridium dimer, but instead produced the title compound, [IrCl3(CH3CN)(C8H12)], which is an octahedral complex of iridium(III) with a chelating cycloocta-1,5-diene ligand, three chloride ligands in afacarrangement, and one acetonitrile ligand. Attempts to devise a rational synthesis for the title compound were unsuccessful.

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18

SINGH, M. P., P. K. TANDON, R. M. SINGH, and A. MEHROTRA. "ChemInform Abstract: Iridium(III) Chloride-Catalyzed Oxidation of Some Alcohols by Alkaline Hexacyanoferrate(III)." ChemInform 22, no. 42 (2010): no. http://dx.doi.org/10.1002/chin.199142106.

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19

Ramazanova, Kyzgaldak, Soumyadeep Chakrabortty, Fabian Kallmeier, et al. "Access to Enantiomerically Pure P-Chiral 1-Phosphanorbornane Silyl Ethers." Molecules 28, no. 17 (2023): 6210. http://dx.doi.org/10.3390/molecules28176210.

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Sulfur-protected enantiopure P-chiral 1-phosphanorbornane silyl ethers 5a,b are obtained in high yields via the reaction of the hydroxy group of P-chiral 1-phosphanorbornane alcohol 4 with tert-butyldimethylsilyl chloride (TBDMSCl) and triphenylsilyl chloride (TPSCl). The corresponding optically pure silyl ethers 5a,b are purified via crystallization and fully structurally characterized. Desulfurization with excess Raney nickel gives access to bulky monodentate enantiopure phosphorus(III) 1-phosphanorbornane silyl ethers 6a,b which are subsequently applied as ligands in iridium-catalyzed asymm

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20

Afonin, M. V., S. A. Simanova, N. M. Burmistrova, et al. "Extraction of iridium(III) and iridium(IV) chloride complexes by a new sorbent containing sulfur and nitrogen." Inorganic Materials 45, no. 14 (2009): 1543–47. http://dx.doi.org/10.1134/s0020168509140052.

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21

Tandon, Praveen K., Sumita Sahgal, Gayatri, Manisha Purwar, and Mamta Dhusia. "Oxidation of ketones by cerium(IV) in presence of iridium(III) chloride." Journal of Molecular Catalysis A: Chemical 250, no. 1-2 (2006): 203–9. http://dx.doi.org/10.1016/j.molcata.2005.12.045.

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22

Chandrasekhar, Vadapalli, Bani Mahanti, Priyanka Bandipalli та Kotamarthi Bhanuprakash. "Cyclometalated Iridium(III) Complexes Containing Hydroxide/Chloride Ligands: Isolation of Heterobridged Dinuclear Iridium(III) Compounds Containing μ-OH and μ-Pyrazole Ligands". Inorganic Chemistry 51, № 20 (2012): 10536–47. http://dx.doi.org/10.1021/ic300694m.

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23

Partl, Gabriel Julian, Felix Nussbaumer, Walter Schuh, Holger Kopacka, Klaus Wurst, and Paul Peringer. "Crystal structures of two PCN pincer iridium complexes and one PCP pincer carbodiphosphorane iridium intermediate: substitution of one phosphine moiety of a carbodiphosphorane by an organic azide." Acta Crystallographica Section E Crystallographic Communications 75, no. 1 (2019): 75–80. http://dx.doi.org/10.1107/s2056989018017644.

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The structure of [Ir{(4-Cl-C6H4N3)C(dppm)-κ3 P,C,N}(dppm-κ2 P,P′)]Cl·1.5CH2Cl2·0.5C7H8 (C57H48Cl2IrN3P4·1.5CH2Cl2·0.5C7H8) (2), dppm = bis(diphenylphosphino)methane {systematic name: [7-(4-chlorophenyl)-1,1,3,3-tetraphenyl-5,6,7-triaza-κN 7-1,3λ4-diphospha-κP 1-hepta-4,6-dien-4-yl][methylenebis(diphenylphosphine)-κ2 P,P′]iridium(I) chloride–dichloromethane–toluene (2/3/1)}, resulting from the reaction of [IrClH{C(dppm)2-κ3 P,C,P)(MeCN)]Cl (1a) with 1-azido-4-chlorobenzene, shows a monocationic five-coordinate IrI complex with a distorted trigonal–bipyramidal geometry. In 2, the iridium centre

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24

Praveen, K. Tandon, B. Dwivedi Priy, B. Singh Santosh, and C. Yadav Suresh. "Kinetic study of iridium(III) catalyzed oxidation of 2-phenyl ethanol and 2-methyl cyclohexanol by cerium(IV) sulphate." Journal of Indian Chemical Society Vol. 90, Dec 2013 (2013): 2237–45. https://doi.org/10.5281/zenodo.5794023.

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Department of Chemistry, University of Allahabad, Allahabad-211 002, Uttar. Pradesh, India <em>E-mail </em>: pktandon123@rediffmail.com <em>Manuscript received online 15 December 2012, revised 30 January 2013, accepted 07 February 2013</em> Oxidation of 2-phenyl ethanol and 2-methyl cyclohexanol by cerium(IV) sulphate in aqueous sulphuric acid medium is greatly enhanced by iridium(III) chloride. Catalyst combines with the complex formed between cerium(Iv) and organic substrate and ultimately gives rise to corresponding aromatic dicarboxylic acids as the product of oxidation. Reactions follows

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25

Cuesta, Luciano, Vincent M. Lynch та Jonathan L. Sessler. "Syntheses and structural studies of η5-pentamethylcyclopentadienyl rhodium(III) and iridium(III) complexes of a Schiff-base expanded porphyrin". Journal of Porphyrins and Phthalocyanines 14, № 01 (2010): 41–46. http://dx.doi.org/10.1142/s1088424610001738.

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Reported here is the synthesis of new binuclear rhodium(III) and iridium(III) semi-sandwich complexes of a Schiff-base expanded porphyrin. Single crystals of these new complexes were subject to X-ray diffraction analysis. The resulting structures revealed that the Schiff-base macrocycle adopts a V-shape in which two {(η5- C 5 Me 5) MCl } ( M = Rh and Ir ) fragments are accommodated within the macrocyclic pocket. The coordination environment of the metal centers is typical to that of "piano stool"-type complexes. The X-ray analyses and complementary NMR studies (carried out in CD 2 Cl 2) provid

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26

Kamezaki, Shoko, Yoshihito Kayaki, Shigeki Kuwata, and Takao Ikariya. "Synthesis of a Half-Sandwich Hydroxidoiridium(III) Complex Bearing a Nonprotic N-Sulfonyldiamine Ligand and Its Transformations Triggered by the Brønsted Basicity." Inorganics 7, no. 10 (2019): 125. http://dx.doi.org/10.3390/inorganics7100125.

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Synthesis and reactivities of a new mononuclear hydroxidoiridium(III) complex with a pentamethylcyclopentadienyl (Cp*) ligand are reported. The hydroxido ligand was introduced into an iridium complex having a nonprotic amine chelate derived from N-mesyl-N’,N’-dimethylethylenediamine by substitution of the chloride ligand using KOH. The resulting hydroxidoiridium complex was characterized by NMR spectroscopy, elemental analysis, and X-ray crystallography. The hydroxido complex was able to deprotonate benzamide and acetonitrile, and showed an ability to accept a hydride from 2-propanol to genera

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27

Wanner, Matthias, Ingo Hartenbach, Jan Fiedler, Thomas Schleid та Wolfgang Kaim. "Zwei- und dreikemige Organometallkomplexe (ReS4)[MCl(C5Me5)], M = Rh, Ir, und (μ-WS4)[IrCl(C5Me5)]2 / Dinuclear and Trinuclear Organometallic Complexes (ReS4)[MCl(C5Me5)], M = Rh, Ir, and (μ-WS4)[IrCl(C5Me5)]2". Zeitschrift für Naturforschung B 56, № 9 (2001): 940–46. http://dx.doi.org/10.1515/znb-2001-0913.

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The reactions of tetrathiorhenate(VII) or tetrathiotungstate(VI) with [MCl2(C5Me5)]2, M = Rh or Ir, yield the neutral title compounds of which (ReS4)[RhCl(C5Me5)] and (μ- WS4)[IrCl(C5Me5)]2 could be crystallographically characterized. The molecules contain nearly tetrahedral M′S4 units and rhodium(III) or iridium(III) centers with piano stool geometry. Weak intermolecular (M)Cl- -H(Me) interactions are observed in the crystals. Vibrational and electronic spectra are in agreement with the structures, illustrating p→d charge transfer interactions between the sulfide or chloride donors and the d0

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28

Tandon, Praveen K., Sumita Sahgal, Alok K. Singh, Santosh Kumar, and Mamta Dhusia. "Oxidation of cyclic ketones by cerium(IV) in presence of iridium(III) chloride." Journal of Molecular Catalysis A: Chemical 258, no. 1-2 (2006): 320–26. http://dx.doi.org/10.1016/j.molcata.2006.05.060.

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29

Anjali, Goel, and Gupta Savita. "Kinetic and mechanistic study of oxidation of cystine by hexacyanoferrate(III) ions catalyzed by IrIII in aqueous alkaline medium." Journal of Indian Chemical Society Vol. 88, Feb 2011 (2011): 211–15. https://doi.org/10.5281/zenodo.5771420.

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Department of Chemistry, Kanya Gurukul Mahavidyalaya, Gurukul Kangri University, Hardwar-249 407, Uttrakhand, India <em>E-mail</em> : goelanjali@yahoo.com <em>Manuscript received 07 April 2010, revised 15 June 2010, accepted 15 June 2010</em> The iridium(lll) catalyzed hexacyanoferrate(lll) (abbreviated HCF(III) oxidation of cystine In aqueous alkaline medium has been investigated spectrophotometrically. The reaction is found first order in oxidant, catalyst and alkali concentration while with substrate concentration reaction follows Michaelis-Menten type kinetics. Positive salt effect was obs

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30

Peloquin, Andrew J., Madelyn B. Smith, Gary J. Balaich та Scott T. Iacono. "Crystal structure of chlorido(dimethyl sulfoxide-κS)bis[4-(pyridin-2-yl)benzaldehyde-κ3C2,N]iridium(III) acetonitrile monosolvate". Acta Crystallographica Section E Crystallographic Communications 73, № 9 (2017): 1279–81. http://dx.doi.org/10.1107/s2056989017010945.

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The title compound, [IrCl(C12H8NO)2{(CH3)2SO}]·H3CCN or [IrCl(fppy)2(DMSO)]·H3CCN [where fppy is 4-(pyridin-2-yl)benzaldehyde and DMSO is dimethyl sulfoxide], is a mononuclear iridium(III) complex including two fppy ligands, a sulfur-coordinating DMSO ligand, and one terminal chloride ligand that define a distorted octahedral coordination sphere. The complex crystallizes from 1:1 DMSO–acetonitrile as an acetonitrile solvate. In the crystal, weak C—H...O and C—H...N hydrogen-bonding interactions between adjacent complexes and between the acetonitrile solvent and the complex consolidate the pack

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31

Lukey, CA, MA Long, and JL Garnett. "Aromatic Hydrogen Isotope Exchange Reactions Catalyzed by Iridium Complexes in Aqueous Solution." Australian Journal of Chemistry 48, no. 1 (1995): 79. http://dx.doi.org/10.1071/ch9950079.

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Sodium hexachloroiridate (III) and sodium hexachloroiridate (IV) have been used as homogeneous catalysts for hydrogen isotope exchange between benzenoid compounds and water. The ideal solvent consisted of 50 mole % acetic acid/water, and the optimum temperature was found to be 160°C. Under these conditions the rate of incorporation of deuterium into benzene was significant (typically 15% D in 6 h), and reduction to iridium metal was minimized. The active catalytic species was identified as a solvated iridium(III) species, which is also postulated to be the active catalyst in solutions containi

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32

Bian, Yongjun, Xingyu Qu, and Kin Shing Chan. "Base-Promoted C–O Bond Cleavage of Primary Alcohols by Iridium(III) Porphyrin Chloride." Organometallics 39, no. 8 (2020): 1376–83. http://dx.doi.org/10.1021/acs.organomet.0c00100.

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Reitsamer, Christian, Inge Schlapp-Hackl, Gabriel Partl, et al. "Crystal structure of an iridium(III) complex of the [C(dppm)2] PCP pincer ligand system and its conjugate CH acid form." Acta Crystallographica Section E Crystallographic Communications 74, no. 5 (2018): 620–24. http://dx.doi.org/10.1107/s2056989018004905.

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After the successful creation of the newly designed PCP carbodiphosphorane (CDP) ligand [Reitsamer et al. (2012). Dalton Trans. 41, 3503–3514; Stallinger et al. (2007). Chem. Commun. pp. 510–512], the treatment of this PCP pincer system with the transition metal iridium and further the analysis of the structures by single-crystal diffraction and by NMR spectroscopy were of major interest. Two different iridium complexes, namely (bis{[(diphenylphosphanyl)methyl]diphenylphosphanylidene}methane-κ3 P,C,P′)carbonylchloridohydridoiridium(III) chloride dichloromethane trisolvate, [IrIII(CO){C(dppm)2-

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Prem, Markus, Kurt Polbom, and Wolfgang Beck. "Metallkomplexe mit biologisch wichtigen Liganden, CIX [1]. Metallorganische Verbindungen von Platin(II), Ruthenium(II), Rhodium (III) und Iridium (III) mit Oxocarbonyl-N-geschützten a-Am inosäuren und L-Methionylglycinat / Metal Complexes with Biologically Important Ligands, CIX [1]. Organometallic Compounds of Platinum(II), Ruthenium(II), Rhodium(III), and Iridium(III) with Oxocarbonyl-N-protected a-Amino Acids and L-Methionylglycinate." Zeitschrift für Naturforschung B 53, no. 12 (1998): 1501–5. http://dx.doi.org/10.1515/znb-1998-1213.

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Abstract The reaction of cis-(Ph3P)2PtCl2 with BOC-N-glycine and FMOC-N-alanine gives the carboxylate coordinated complexes cis-(Ph3P)2 Pt(Cl)(O2CCH2NHBOC) (1) and cis- (Ph3 P)2Pt(Cl)(O2CC(H)(Me)NHFMOC (2). Chloride and proton abstraction from 1 affords the N,O-chelate complex (Ph3P)2Pt(O2CCH2NBOC) (3). From the chloro-bridged compounds [Cp*MCl2]2 (M = Rh, Ir), [(p-cymene)RuCl2]2 and BOC-N-L-MetGlyOH (L) the compounds Cp*M(Cl)2L (4, 5) and (p-cymene)Ru(Cl)2L (6 ) with the mono-dentate dipeptide are obtained which in the presence of NaOMe form O,N,S-bis(chelate) complexes 7 - 9 . The X-ray diff

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Pauer, Bettina, Gabriel Julian Partl, Stefan Oberparleiter та ін. "Crystal structures of [IrCl2(NHCHPh)((dppm)(C(N2dppm))-κ3 P,C,P′)]Cl·5.5MeCN and [IrI(NHCHPh)(((dppm)C(N2))-κ2 P,C)(dppm-κ2 P,P′)]I(I3)·0.5I2·MeOH·0.5CH2Cl2: triazene fragmentation in a PCN pincer iridium complex". Acta Crystallographica Section E Crystallographic Communications 75, № 2 (2019): 179–84. http://dx.doi.org/10.1107/s2056989019000136.

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The structure of [IrCl2(C58H51N3P4)]Cl·5.5CH3CN or [IrCl2(NHCHPh)(((dppm)C(N2dppm))-κ 3P,C,P)]Cl·5.5CH3CN [3, dppm = bis(diphenylphosphino)methane; systematic name: dichlorido(1,1,3,3,7,7,9,9-octaphenyl-4,5-diaza-1,3λ5,7λ4,9-tetraphosphanona-3,5-dien-6-yl-κ2 P 1,P 9)(phenylmethanimine-κN)iridium(III) chloride acetonitrile hemihendecasolvate], resulting from an oxygen-mediated cleavage of a triazeneylidenephosphorane ligand producing a diazomethylenephosphorane and a nitrene moiety, which in turn rearrange via a Staudinger reaction and a 1,2-hydride shift to the first title complex, involves a

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Goodall, Wendy, and J. A. Gareth Williams. "Iridium(III) bis-terpyridine complexes incorporating pendent N-methylpyridinium groups: luminescent sensors for chloride ions †." Journal of the Chemical Society, Dalton Transactions, no. 17 (2000): 2893–95. http://dx.doi.org/10.1039/b005046f.

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Davaasuren, Bambar, Harihara Padhy та Alexander Rothenberger. "Crystal structure of trichlorido(4′-ferrocenyl-2,2′:6′,2′′-terpyridine-κ3N,N′,N′′)iridium(III) acetonitrile disolvate". Acta Crystallographica Section E Crystallographic Communications 71, № 3 (2015): m69—m70. http://dx.doi.org/10.1107/s2056989015003473.

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In the title compound, [FeIr(C5H5)(C20H14N3)Cl3]·2CH3CN, the central IrIIIatom is sixfold coordinated by three chloride ligands and three terpyridine N atoms in a slightly distorted octahedral fashion. The terpyridine ligand is functionalized at the 4′-position with a ferrocenyl group, the latter being in an eclipsed conformation. In the crystal, molecules are stacked in rows parallel to [001], with the acetonitrile solvent molecules situated between the rows. An extensive network of intra- and intermolecular C—H...Cl interactions is present, stabilizing the three-dimensional structure.

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Rybakov, V. B., L. A. Aslanov, S. V. Volkov, A. V. Grafov, V. I. Pekhn'o, and Z. A. Fokina. "Crystal and molecular structures of the binuclear complex of rhodium(III) chloride with selenium dichloride and the complex of iridium(III) chloride with sulfur dichloride and tetrachloride." Journal of Structural Chemistry 33, no. 3 (1992): 460–63. http://dx.doi.org/10.1007/bf00748061.

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Song, Xu, and Kin Shing Chan. "Syntheses of Acyliridium Porphyrins by Aldehydic Carbon−Hydrogen Bond Activation with Iridium(III) Porphyrin Chloride and Methyl." Organometallics 26, no. 4 (2007): 965–70. http://dx.doi.org/10.1021/om060849+.

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Tandon, Praveen K., Alok K. Singh, Sumita Sahgal, and Santosh Kumar. "Oxidation of cyclic alcohols by cerium(IV) in acidic medium in the presence of iridium(III) chloride." Journal of Molecular Catalysis A: Chemical 282, no. 1-2 (2008): 136–43. http://dx.doi.org/10.1016/j.molcata.2007.12.001.

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Iavicoli, Ivo, Luca Fontana, Antonio Bergamaschi, et al. "Sub-Chronic Oral Exposure to Iridium (III) Chloride Hydrate in Female Wistar Rats: Distribution and Excretion of the Metal." Dose-Response 10, no. 3 (2012): dose—response.1. http://dx.doi.org/10.2203/dose-response.11-052.iavicoli.

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Mesto, Ernesto, Fernando Scordari, Maria Lacalamita, Luisa De Cola, Roberta Ragni та Gianluca Maria Farinola. "The correct assignment of stereochemistry in di-μ-dichlorido-bis{bis[2-(5-benzylsulfonyl)-3-fluoro-2-(pyridin-2-yl)phenyl-κ2N,C1]iridium(III)} toluene monosolvate". Acta Crystallographica Section C Crystal Structure Communications 69, № 5 (2013): 480–82. http://dx.doi.org/10.1107/s010827011300663x.

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The title complex, [Ir2(C18H13FNO2S)4Cl2]·C7H8, was crystallized from dichloromethane solution under a toluene atmosphere. It is a dimeric complex in which each of the two IrIIIcentres is octahedrally coordinated by two bridging chloride ligands and by two chelating cyclometalated 2-(4-benzylsulfonyl-2-fluorophenyl)pyridine ligands. The crystal structure analysis unequivocally establishes thetransdisposition of the two cyclometalated ligands bound to each IrIIIcentre, contrary to our previous hypothesis of acisdisposition. The latter was based on the1H NMR spectra of a series of dimeric benzyl

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Thorbjørnsen, Kristian Fredrik Klepp, Anita Hamar Reksten, Tor Olav Sunde, Sander Øglænd Hanslin, Jaakko Akola, and Svein Sunde. "(Keynote) Iridium Deposition By Galvanic Displacement of Cu on a One-Pot Configuration." ECS Meeting Abstracts MA2023-02, no. 58 (2023): 2821. http://dx.doi.org/10.1149/ma2023-02582821mtgabs.

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Water electrolysis with proton exchange membranes (PEMWE) is expected to play a vital role in the future hydrogen infrastructure. The hydrogen evolution is effectively catalyzed by platinum, and iridium oxide is a highly active and reasonably stable catalyst for the oxygen-evolution reation (OER) [1]. However, iridium is costly and scarce, and efficient utilization of it is necessary for large-scale deployment of PEMWE technology. This can be achieved in various ways, such as dilution with other and cheaper compounds such as Ta2O5 [2] and alloying with more abundant metals followed by post-syn

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Lampou, Angeliki, Evgenios Kokkinos, Charikleia Prochaska, et al. "A Hydrometallurgical Process for the Recovery of Noble Metals (Au, Pt, Ir, and Ta) from Pyrolyzed and Acid-Digested Solutions of Single-Use Medical Devices." Recycling 9, no. 6 (2024): 118. https://doi.org/10.3390/recycling9060118.

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Developing an efficient recycling route for spent single-use medical devices is essential for recovering precious metals. The proposed complete hydrometallurgical route goes through the initial pyrolysis and acid digestion steps, expanding upon our previous relevant work in the field, followed by solvent extraction, stripping, and precipitation procedures. In this study, a complete hydrometallurgical process was developed for the recovery of gold, platinum, iridium, and tantalum, separating them from other metals, i.e., from iron, chromium, and nickel, also present in the examined medical devi

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Shutkov, Ilya A., Nikolai A. Melnichuk, Konstantin A. Lyssenko, Nataliya E. Borisova, Olga N. Kovaleva та Alexey A. Nazarov. "Di-µ-(1-(3-(1H-imidazol-1-yl)propyl)-2-methyl-4-oxo-1,4-dihydropyridin-3-olate)-bis[(η5-pentamethylcyclopentadienyl)iridium(III)] Chloride". Molbank 2024, № 2 (2024): M1816. http://dx.doi.org/10.3390/m1816.

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A metallacyclic maltol-tethered organometallic Ir(III) half-sandwich complex was synthesized as an analog of the ruthenium anticancer complexes (RAPTA/RAED) to evaluate its in vitro antiproliferative activity against various human cancer cell lines.

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Haas, Katharina, Heinrich Nöth, and Wolfgang Beck. "Metallkomplexe mit biologisch wichtigen Liganden, CXX [1]. Halbsandwich-Komplexe von Ruthenium(II) und Iridium(III) mit 3-(3-Pyridyl)-D-alaninat." Zeitschrift für Naturforschung B 54, no. 8 (1999): 989–92. http://dx.doi.org/10.1515/znb-1999-0803.

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The reactions of the chloro bridged complexes [(ρ-cymene)RuCl2]2 and [(C5Me5)IrCl2]2 with the anion of 3-(3-pyridyl)-D-alanine (L) afford the N,O-chelate complexes (p-cymene)- Ru(L)(Cl) (1) and (C5Me5)Ir(L)(Cl) (2). Abstraction of chloride from 1 and 2 using AgSbF6 gives the dimers [(ρ-cymene)Ru(μ-L)2Ru(ρ-cymene)]2+(SbF6)2 (3) and [(C5Me5)Ir(μ-L)2- Ir(C5Me5)]2+(SbF6)2 (4) with coordination of the pyridine N atom. Complex 4 is formed in high diastereomeric excess. The structure of (C5Me5)Ir(μ-L)2Ir(C5Me5)]Cl2 (5) which contains the SIrRCRC RIr diastereoisomer in the crystal was determined by X-

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Yang, Chih-Hao, Chih-Wei Hsia, Thanasekaran Jayakumar, et al. "Structure–Activity Relationship Study of Newly Synthesized Iridium-III Complexes as Potential Series for Treating Thrombotic Diseases." International Journal of Molecular Sciences 19, no. 11 (2018): 3641. http://dx.doi.org/10.3390/ijms19113641.

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Platelets play a major role in hemostatic events and are associated with various pathological events, such as arterial thrombosis and atherosclerosis. Iridium (Ir) compounds are potential alternatives to platinum compounds, since they exert promising anticancer effects without cellular toxicity. Our recent studies found that Ir compounds show potent antiplatelet properties. In this study, we evaluated the in vitro antiplatelet, in vivo antithrombotic and structure–activity relationship (SAR) of newly synthesized Ir complexes, Ir-1, Ir-2 and Ir-4, in agonists-induced human platelets. Among the

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Pazderski, Leszek, Jaromír Toušek, Andrzej Wojtczak, Jerzy Sitkowski, Lech Kozerski, and Edward Szłyk. "The crystal and molecular structure of potassium aquapentachloroiridate(III) and the 1H, 13C, 15N NMR coordination shifts in iridium(III) chloride complexes with 2,2′-bipyridine or 1,10-phenanthroline." Polyhedron 27, no. 14 (2008): 3067–78. http://dx.doi.org/10.1016/j.poly.2008.06.040.

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Klaimanee, Ekkapong, Peerapong Sangwisut, Saowanit Saithong та Nararak Leesakul. "Synthesis, crystal structure and Hirshfeld surface analysis of [bis(diphenylphosphanyl)methane-κP]chloridobis[2-(pyridin-2-yl)phenyl-κ2 N,C 1]iridium(III)". Acta Crystallographica Section E Crystallographic Communications 77, № 3 (2021): 217–21. http://dx.doi.org/10.1107/s2056989021000955.

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The title IrIII complex, [Ir(C11H8N)2Cl(C25H22P2)], was synthesized from the substitution reaction between the (ppy)2Ir(μ-Cl)2Ir(ppy)2 (ppy = deprotonated 2-phenylpyridine, C11H8N−) dimer and 1,1-bis(diphenylphosphanyl)methane (dppm, C25H22P2) under an argon gas atmosphere for 20 h. The IrIII atom is coordinated by two C,N-bidentate ppy anions, a unidentate dppm ligand and a chloride anion in a distorted octahedral IrC2N2PCl arrangement. The N donor atoms of the ppy ligands are mutually trans while the C atoms are cis. Intramolecular aromatic π–π stacking between the phenyl rings of ppy and dp

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Roldán-Carmona, Cristina, Antonio M. González-Delgado, Martínez Andrés Guerrero, et al. "Molecular organization and effective energy transfer in iridium metallosurfactant–porphyrin assemblies embedded in Langmuir–Schaefer films." Physical Chemistry Chemical Physics 13, no. 7 (2010): 2834–41. https://doi.org/10.1039/c0cp01683g.

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Mixed Langmuir monolayers and Langmuir–Schaefer (LS) films containing the cationic metallosurfactant bis(2-phenylpyridine)(4,4′-diheptadecyl-2,2′-bipyridine)-iridium(III) chloride (Ir-complex) and the anionic tetrakis(4-sulfonatophenyl)porphyrin (TSPP) in 4 ∶ 1 molar ratio have been successfully prepared by the co-spreading method at the air–water interface. The presence of both luminescent species at the interface, as well as the organization of the TSPP underneath the Ir-complex matrix in Langmuir and LS films, is inferred by surface techniques such as 

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