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Ndlangamandla NG, Clayton HS. The crystal structure of trans-dichlorido-(ethylenediamine- κ
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N, N′)-bis(triphenylphosphine- κ
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P)ruthenium(II), C 38H 38Cl 2N 2P 2Ru. Z KRIST-NEW CRYST ST 2022. [DOI: 10.1515/ncrs-2022-0448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Abstract
C38H38Cl2N2P2Ru, monoclinic, P21/c (no. 14), a = 10.8827(3) Å, b = 30.6226(7) Å, c = 20.2089(4) Å, β = 93.8560(10)°, V = 6719.5(3) Å3, Z = 8, Rgt
(F) = 0.0306, wRref
(F
2) = 0.0636, T = 173(2) K.
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Affiliation(s)
- Nqobile G. Ndlangamandla
- Chemistry Department , University of South Africa , Unisa Science Campus , Johannesburg , South Africa
| | - Hadley S. Clayton
- Chemistry Department , University of South Africa , Unisa Science Campus , Johannesburg , South Africa
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Engineering and Performance of Ruthenium Complexes Immobilized on Mesoporous Siliceous Materials as Racemization Catalysts. Catalysts 2021. [DOI: 10.3390/catal11030316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Dynamic kinetic resolution (DKR) is one of the most attractive routes to enantioselective synthesis, and ruthenium complexes are often applied as racemization catalysts. Two substituted cyclopentadienyl ruthenium complexes were immobilized covalently and non-covalently on mesoporous silica of mesocellular foam (MCF) and Santa Barbara Amorphous (SBA)-15 type functionalized with a 3 carbon spacer and 4-(chloromethyl)-N-amidobenzoate moiety. The catalysts were studied in a model reaction of secondary alcohol racemization. The immobilization decreased catalyst activity, considerably more for SBA-15 than for MCFs, and complete racemization of 1-phenylethanol was achieved within 24 h with the MCF-supported catalyst. The catalyst could be recovered and reused, thus paving the way for further development of the DKR process. The synthesized materials were fully characterized by Fourier-transform infrared spectroscopy analysis, thermogravimetry analysis, inductively cou-pled plasma optical emission spectrometry, and nitrogen adsorption at 77 K.
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Ji J, Shi LM, Wu F, Xin ZF, Jia AQ, Zhang QF. Syntheses, structures, and immobilization of ruthenium(II) complexes with alkoxysilane groups functionalized N,N′-diamine and phosphine ligands. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1763969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jiao Ji
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Anhui, P. R. China
| | - Li-Miao Shi
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Anhui, P. R. China
| | - Fule Wu
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Anhui, P. R. China
| | - Zhi-Feng Xin
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Anhui, P. R. China
| | - Ai-Quan Jia
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Anhui, P. R. China
| | - Qian-Feng Zhang
- Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Anhui, P. R. China
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Satheesh C, Sathish Kumar PN, Kumara PR, Karvembu R, Hosamani A, Nethaji M. Half‐sandwich Ru (II) complexes containing (N, O) Schiff base ligands: Catalysts for base‐free transfer hydrogenation of ketones. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5111] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- C.E. Satheesh
- Department of Chemistry, UCSTumkur University Tumakuru 572103 Karnataka India
| | | | | | - Ramasamy Karvembu
- Department of ChemistryNational Institute of Technology Tiruchirappalli Tamilanadu India
| | - Amar Hosamani
- Solid State and Structural Chemistry UnitIndian Institute of Science Bangalore 560012 Karnataka India
| | - M. Nethaji
- Department of Inorganic and Physical ChemistryIndian Institute of Science Bangalore 560012 Karnataka India
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Syntheses, structures and immobilization of arene-ruthenium complexes bearing phosphine ligands with methoxysilyl groups. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.01.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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