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Synthesis and Reactivity of Poly(propyleneimine) Dendrimers Functionalized with Cyclopentadienone N-Heterocyclic-Carbene Ruthenium(0) Complexes. Catalysts 2020. [DOI: 10.3390/catal10020264] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Ligand design in metal chemistry is a fundamental step when pursuing compounds with specific reactivity. In this paper, the functionalization of the OH group in the lateral chain of the N-heterocyclic-carbene (NHC) ligand bound to a bis-carbonyl cyclopentadienone NHC ruthenium(0) complex allowed the decoration of five generations of poly(propyleneimine) (PPIs) dendrimers with up to 64 organometallic moieties. The coupling was achieved by employing carbonyldiimidazole and the formation of carbamate linkages between dendritic peripheral NH2 and lateral OH groups on ruthenium complexes. The synthetic procedure, chemical purification, and spectroscopic characterization of the five generations of dendrimers (3g1–5) are here described. The ruthenium-modified dendrimers were activated as catalysts in the transfer hydrogenation of the model compound 4-fluoroacetophenone in the presence of cerium ammonium nitrate as their mononuclear congeners. The catalytic activity, being similar for the five generations, shows a decrease if compared to mononuclear complexes. This detrimental effect might be ascribed to the –CH2NH– functionalization, largely present in dendrimer skeleton and that can compete with the hydrogen transfer mechanism, but also partially to a dendritic effect caused by steric encumbrance.
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Affiliation(s)
- Dong Wang
- ISM, Université de Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
| | - Didier Astruc
- ISM, Université de Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
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Uchimoto H, Tsuji T, Kawasaki I, Arimitsu K, Yasui H, Yamashita M, Ohta S, Nishide K. Preparation of Chiral Ligands Connected with Quaternary Ammonium Group for Recyclable Catalytic Asymmetric Transfer Hydrogenation in Ionic Liquid. Chem Pharm Bull (Tokyo) 2015; 63:200-9. [DOI: 10.1248/cpb.c14-00747] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hitomi Uchimoto
- School of Pharmaceutical Sciences, Mukogawa Women’s University
| | - Tomoko Tsuji
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Ikuo Kawasaki
- School of Pharmaceutical Sciences, Mukogawa Women’s University
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Kenji Arimitsu
- School of Pharmaceutical Sciences, Mukogawa Women’s University
| | - Hiroyuki Yasui
- Department of Analytical and Bioinorganic Chemistry, Division of Analytical and Physical Sciences, Kyoto Pharmaceutical University
| | - Masayuki Yamashita
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
| | - Shunsaku Ohta
- Department of Pharmaceutical Manufacturing Chemistry, Kyoto Pharmaceutical University
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Insight into the role of fluorinated dendrimers in ruthenium(II) catalyst for asymmetric transfer hydrogenation: The stabilizing effects from experimental and DFT approach. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcata.2014.02.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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5
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Wei J, Zhang X, Zhang X, Zhao Y, Li R, Yang Q. Facile Synthesis of Hybrid Core-Shell Nanospheres for the Asymmetric Transfer Hydrogenation of Aromatic Ketones. ChemCatChem 2014. [DOI: 10.1002/cctc.201301011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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6
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Liu J, Ma B, Feng Y, He Y, Fan QH. Dendritic [RuCl2(BINAP)(DPEN)] catalysts with ‘Sandwich’ multi-layer structure for asymmetric hydrogenation of simple aryl ketones. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2013.05.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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7
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Václavík J, Kačer P, Kuzma M, Červený L. Opportunities offered by chiral η⁶-arene/N-arylsulfonyl-diamine-RuII catalysts in the asymmetric transfer hydrogenation of ketones and imines. Molecules 2011; 16:5460-95. [PMID: 21712760 PMCID: PMC6264677 DOI: 10.3390/molecules16075460] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Revised: 06/14/2011] [Accepted: 06/17/2011] [Indexed: 11/22/2022] Open
Abstract
Methods for the asymmetric transfer hydrogenation (ATH) of ketones and imines are still being intensively studied and developed. Of foremost interest is the use of Noyori's [RuCl(η⁶-arene)(N-TsDPEN)] complexes in the presence of a hydrogen donor (i-PrOH, formic acid). These complexes have found numerous practical applications and have been extensively modified. The resulting derivatives have been heterogenized, used in ATH in water or ionic liquids and even some attempts have been made to approach the properties of biocatalysts. Therefore, an appropriate modification of the catalyst that suits the specific requirements for the reaction conditions is very often readily available. The mechanism of the reaction has also been explored to a great extent. Model substrates, acetophenone (a ketone) and 6,7-dimethoxy-1-methyl-3,4-dihydroisoquinoline (an imine), are both reduced by this Ru catalytic system with almost perfect selectivity. However, in each case the major product is a different enantiomer (S- for an alcohol, R- for an amine when the S,S-catalyst is used), which demanded an in-depth mechanistic investigation. Full-scale molecular modelling of this system enabled us to visualize the plausible 3D structures of the transition states, allowing the proposition of a viable explanation of previous experimental findings.
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Affiliation(s)
- Jiří Václavík
- Department of Organic Technology, Institute of Chemical Technology, Technická 5, CZ-166 28 Prague, Czech Republic
| | - Petr Kačer
- Department of Organic Technology, Institute of Chemical Technology, Technická 5, CZ-166 28 Prague, Czech Republic
| | - Marek Kuzma
- Laboratory of Molecular Structure Characterization, Institute of Microbiology, v.v.i., Academy of Sciences of the Czech Republic, Vídeňská 1083, CZ-142 20, Prague, Czech Republic
| | - Libor Červený
- Department of Organic Technology, Institute of Chemical Technology, Technická 5, CZ-166 28 Prague, Czech Republic
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Dimroth J, Schedler U, Keilitz J, Haag R, Schomäcker R. New Polymer-Supported Catalysts for the Asymmetric Transfer Hydrogenation of Acetophenone in Water - Kinetic and Mechanistic Investigations. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201000955] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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9
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Asymmetric transfer hydrogenation of prochiral ketones catalyzed by aminosulfonamide-ruthenium complexes in ionic liquid. OPEN CHEM 2011. [DOI: 10.2478/s11532-010-0134-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractChiral aminosulfonamides containing imidazolium group were used as ligands for the ruthenium(II)-catalyzed asymmetric transfer hydrogenation of prochiral ketones in ionic liquid, affording good to excellent conversions and enantiomeric excesses. The catalytic system could be easily recovered and reused several times.
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10
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Lee JC, Hwang EY. An Efficient and Fast Method for the Preparation of Benzylic Bromides. SYNTHETIC COMMUN 2011. [DOI: 10.1081/scc-200026648] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Jong Chan Lee
- a Department of Chemistry , Chung‐Ang University , Seoul, 156‐756, South Korea
| | - Eui Yong Hwang
- a Department of Chemistry , Chung‐Ang University , Seoul, 156‐756, South Korea
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Dimroth J, Keilitz J, Schedler U, Schomäcker R, Haag R. Immobilization of a Modified Tethered Rhodium(III)-p-Toluenesulfonyl-1,2-diphenylethylenediamine Catalyst on Soluble and Solid Polymeric Supports and Successful Application to Asymmetric Transfer Hydrogenation of Ketones. Adv Synth Catal 2010. [DOI: 10.1002/adsc.201000340] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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13
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Li X, Li L, Tang Y, Zhong L, Cun L, Zhu J, Liao J, Deng J. Chemoselective Conjugate Reduction of α,β-Unsaturated Ketones Catalyzed by Rhodium Amido Complexes in Aqueous Media. J Org Chem 2010; 75:2981-8. [DOI: 10.1021/jo100256t] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xuefeng Li
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
| | - Liangchun Li
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yuanfu Tang
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
| | - Ling Zhong
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Linfeng Cun
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Jin Zhu
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Jian Liao
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
| | - Jingen Deng
- National Engineering Research Center of Chiral Drugs and Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
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Wang W, Wang Q. A fluorinated dendritic TsDPEN-Ru(ii) catalyst for asymmetric transfer hydrogenation of prochiral ketones in aqueous media. Chem Commun (Camb) 2010; 46:4616-8. [DOI: 10.1039/c002168g] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Hut’ka M, Toma Š. Hydrogen-transfer reduction of aromatic ketones in basic ionic liquids. MONATSHEFTE FUR CHEMIE 2009. [DOI: 10.1007/s00706-009-0161-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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16
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Bergbreiter DE, Tian J, Hongfa C. Using Soluble Polymer Supports To Facilitate Homogeneous Catalysis. Chem Rev 2009; 109:530-82. [DOI: 10.1021/cr8004235] [Citation(s) in RCA: 314] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- David E. Bergbreiter
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012
| | - Jianhua Tian
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012
| | - Chayanant Hongfa
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012
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17
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Huang L, Liu J, Shan W, Liu B, Shi A, Li X. The asymmetric synthesis of (R,R)-formoterol via transfer hydrogenation with poly ethylene glycol bound Rh catalyst in PEG2000 and water. Chirality 2009; 22:206-11. [DOI: 10.1002/chir.20728] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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18
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Gaikwad AV, Boffa V, ten Elshof JE, Rothenberg G. Cat-in-a-cup: facile separation of large homogeneous catalysts. Angew Chem Int Ed Engl 2008; 47:5407-10. [PMID: 18543258 DOI: 10.1002/anie.200801116] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Anil V Gaikwad
- Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
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19
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Gaikwad A, Boffa V, ten Elshof J, Rothenberg G. Cat‐in‐a‐Cup: Facile Separation of Large Homogeneous Catalysts. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200801116] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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20
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de Jesús E, Flores JC. Dendrimers: Solutions For Catalyst Separation and Recycling–A Review † Dedicated to the memory of Dr. José Antonio Delgado Oyagüe. Ind Eng Chem Res 2008. [DOI: 10.1021/ie800381d] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ernesto de Jesús
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain
| | - Juan C. Flores
- Departamento de Química Inorgánica, Universidad de Alcalá, Campus Universitario, 28871 Alcalá de Henares, Madrid, Spain
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Cortez NA, Aguirre G, Parra-Hake M, Somanathan R. Ruthenium(II) and rhodium(III) catalyzed asymmetric transfer hydrogenation (ATH) of acetophenone in isopropanol and in aqueous sodium formate using new chiral substituted aromatic monosulfonamide ligands derived from (1R,2R)-diaminocyclohexane. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.04.036] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Hydrogen transfer reduction of different ketones in ionic liquids. MONATSHEFTE FUR CHEMIE 2008. [DOI: 10.1007/s00706-008-0853-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Pavlov VA. C2 and C1 Symmetry of chiral auxiliaries in catalytic reactions on metal complexes. Tetrahedron 2008. [DOI: 10.1016/j.tet.2007.10.078] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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Mixture of poly(ethylene glycol) and water as environmentally friendly media for efficient enantioselective transfer hydrogenation and catalyst recycling. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.molcata.2007.05.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Cortez NA, Aguirre G, Parra-Hake M, Somanathan R. Water-soluble chiral monosulfonamide-cyclohexane-1,2-diamine-RhCp∗ complex and its application in the asymmetric transfer hydrogenation (ATH) of ketones. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.04.116] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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26
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Huang X, Ying JY. Asymmetric transfer hydrogenation over Ru–TsDPEN catalysts supported on siliceous mesocellular foam. Chem Commun (Camb) 2007:1825-7. [PMID: 17476400 DOI: 10.1039/b615564b] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A siliceous mesocellular foam-immobilized Ru-TsDPEN complex exhibited excellent catalytic reactivity, enantioselectivity and reusability in the asymmetric transfer hydrogenation of an imine and ketones.
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Affiliation(s)
- Xiaohua Huang
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA
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27
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Rodríguez LI, Rossell O, Seco M, Muller G. Rhodium or ruthenium units peripherally coordinated to carbosilane dendrimers functionalized with P-stereogenic monophosphines. J Organomet Chem 2007. [DOI: 10.1016/j.jorganchem.2006.10.035] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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28
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Cortez NA, Rodríguez-Apodaca R, Aguirre G, Parra-Hake M, Cole T, Somanathan R. New C2-symmetric bis(sulfonamide)-cyclohexane-1,2-diamine-RhCp∗ complex and its application in the asymmetric transfer hydrogenation (ATH) of ketones in water. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.09.141] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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29
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Morris DJ, Hayes AM, Wills M. The “Reverse-Tethered” Ruthenium (II) Catalyst for Asymmetric Transfer Hydrogenation: Further Applications. J Org Chem 2006; 71:7035-44. [PMID: 16930059 DOI: 10.1021/jo061154l] [Citation(s) in RCA: 146] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The attachment of a tethering group from the basic nitrogen atom to the arene ligand of a ruthenium(II) catalyst greatly improves its ability to catalyze asymmetric transfer hydrogenation (ATH) reactions. In this paper, we describe further applications of this versatile system to an extended substrate range.
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Affiliation(s)
- David J Morris
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
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30
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He W, Zhang BL, Jiang R, Liu P, Sun XL, Zhang SY. Novel recoverable catalysts for asymmetric transfer hydrogenation. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.05.087] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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31
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Dendritic BIPHEP: Synthesis and application in asymmetric hydrogenation of β-ketoesters. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.molcata.2005.08.036] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Reek JN, Arévalo S, van Heerbeek R, Kamer PC, van Leeuwen PW. Dendrimers in Catalysis. ADVANCES IN CATALYSIS 2006. [DOI: 10.1016/s0360-0564(05)49002-1] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Jiang L, Wu TF, Chen YC, Zhu J, Deng JG. Asymmetric transfer hydrogenation catalysed by hydrophobic dendritic DACH–rhodium complex in water. Org Biomol Chem 2006; 4:3319-24. [PMID: 17036121 DOI: 10.1039/b608386b] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrophobic Fréchet-type dendritic chiral 1,2-diaminocyclohexane-Rh(III) complexes have been applied in the asymmetric transfer hydrogenation of ketones in water using HCOONa as hydrogen source. The catalysts were found to be finely dissolved in the liquid substrates in the aqueous mixture and exhibited high catalytic activity and enantioselectivity (52-97% ee). The catalytic loading could be decreased to 0.01 mol% and good conversion was still obtained with excellent enantioselectivity. Moreover, the catalyst could be easily precipitated from the mixture by adding hexane and reused several times without affecting the high enantioselectivity.
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Affiliation(s)
- Lin Jiang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
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Liu W, Cui X, Cun L, Zhu J, Deng J. Tunable dendritic ligands of chiral 1,2-diamine and their application in asymmetric transfer hydrogenation. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.tetasy.2005.07.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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36
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Liu PN, Gu PM, Deng JG, Tu YQ, Ma YP. Efficient Heterogeneous Asymmetric Transfer Hydrogenation Catalyzed by Recyclable Silica-Supported Ruthenium Complexes. European J Org Chem 2005. [DOI: 10.1002/ejoc.200500074] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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37
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Chen YC, Wu TF, Jiang L, Deng JG, Liu H, Zhu J, Jiang YZ. Synthesis of dendritic catalysts and application in asymmetric transfer hydrogenation. J Org Chem 2005; 70:1006-10. [PMID: 15675861 DOI: 10.1021/jo048317v] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Frechet-type core-functionalized chiral diamine-based dendritic ligands and hybrid dendritic ligands condensed from polyether wedge and Newkome-type poly(ether-amide) supported multiple ligands were designed and synthesized. The solubility of hybrid dendrimers was found to be finely controlled by the polyether dendron. The catalytic efficiency and recovery use of dendritic ruthenium complexes were compared in the transfer hydrogenation of acetophenone. The core-functionalized dendritic catalysts demonstrated much better recyclability, which verified the stabilizing effects of the bulky polyether wedge on the catalytically active complex. Moreover, the dendritic catalysts were applied in the asymmetric transfer hydrogenation of ketones, enones, imine, and activated olefin, and moderate to excellent enantioselectivitiy was achieved comparable to that of monomeric catalysts.
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Affiliation(s)
- Ying-Chun Chen
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province and Union Laboratory of Asymmetric Synthesis, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
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Xue D, Chen YC, Cui X, Wang QW, Zhu J, Deng JG. Transfer Hydrogenation of Activated CC Bonds Catalyzed by Ruthenium Amido Complexes: Reaction Scope, Limitation, and Enantioselectivity. J Org Chem 2005; 70:3584-91. [PMID: 15844995 DOI: 10.1021/jo0478205] [Citation(s) in RCA: 128] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[reaction: see text] It was found that the chemoselectivity could be completely switched from C=O to C=C bonds in the transfer hydrogenation of activated alpha,beta-unsaturated ketones catalyzed by diamine-ruthenium complex. Moreover, this addition via metal hydride had been applied to the reduction of various activated olefins. The electron-withdrawing ability of functional groups substituted on C=C bonds at the alpha- or beta-position had strong influence on the reactivity. In addition, a wide variety of chiral diamine-Ru(II)-(arene) systems was investigated to explore the asymmetric transfer hydrogenation of prochiral alpha,alpha-dicyanoolefins. Two parameters had been systematically studied, (i) the structure of the N-sulfonylated chiral diamine ligands, in which several chiral diamines substituted on the benzene ring of DPEN were first reported, and (ii) the structure of the metal precursors, and high enantioselectivitiy (up to 89% ee) at the beta-carbon was obtained.
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Affiliation(s)
- Dong Xue
- Key Laboratory of Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
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Li Y, Li Z, Li F, Wang Q, Tao F. Preparation of polymer-supported Ru-TsDPEN catalysts and use for enantioselective synthesis of (S)-fluoxetine. Org Biomol Chem 2005; 3:2513-8. [PMID: 15999182 DOI: 10.1039/b505943g] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polymer-supported chiral ligands 9 and 17 were prepared based on Noyori's (1S,2S)- or (1R,2R)-N-(p-tolylsulfonyl)-1,2-diphenylethylenediamine. The combination with [RuCl2(p-cymene)]2 has been shown to exhibit high activities and enantioselectivities for heterogeneous asymmetric transfer hydrogenation of aromatic ketones (19a-c) with formic acid-triethylamine azeotrope as the hydrogen donor, whereby affording the respective optically active alcohols 20a-c, the key precursors of chiral fluoxetine. As exemplified by ligand 17 for substrate 19c, the catalysts can be recovered and reused in three consecutive runs with no significant decline in enantioselectivity. The procedure avoids the plausible contamination of fluoxetine by the toxic transition metal species.
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Affiliation(s)
- Yangzhou Li
- Department of Chemistry, Fudan University, 200433 Shanghai, PR China
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40
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Wu X, Vinci D, Ikariya T, Xiao J. A remarkably effective catalyst for the asymmetric transfer hydrogenation of aromatic ketones in water and air. Chem Commun (Camb) 2005:4447-9. [PMID: 16136246 DOI: 10.1039/b507276j] [Citation(s) in RCA: 125] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Rh(III) complex generated in situ from [Cp*RhCl2]2 and (1R,2R)-N-(p-toluenesulfonyl)-1,2-cyclohexanediamine (TsCYDN) serves as a remarkably effective, robust catalyst for the asymmetric transfer hydrogenation of aromatic ketones by HCOONa in water in air, affording alcohols in up to 99% ee.
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Affiliation(s)
- Xiaofeng Wu
- Liverpool Centre for Materials and Catalysis, Department of Chemistry, University of Liverpool, Liverpool, UKL69 7ZD
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41
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Deng GJ, Yi B, Huang YY, Tang WJ, He YM, Fan QH. Dendronized Poly(Ru-BINAP) Complexes: Highly Effective and Easily Recyclable Catalysts For Asymmetric Hydrogenation. Adv Synth Catal 2004. [DOI: 10.1002/adsc.200404162] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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42
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Carriedo G, Crochet P, Alonso F, Gimeno J, Presa‐Soto A. Synthesis and Catalytic Activity of (η
6
‐
p
‐Cymene)(phosphane)ruthenium(
II
) Complexes Supported on Poly(biphenoxyphosphazene) or Chiral Poly(binaphthoxyphosphazene) Copolymers. Eur J Inorg Chem 2004. [DOI: 10.1002/ejic.200400194] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Gabino A. Carriedo
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, C/ Julián Clavería S/N, 33071 Oviedo, Spain
| | - Pascale Crochet
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, C/ Julián Clavería S/N, 33071 Oviedo, Spain
| | - Francisco J. García Alonso
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, C/ Julián Clavería S/N, 33071 Oviedo, Spain
| | - José Gimeno
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, C/ Julián Clavería S/N, 33071 Oviedo, Spain
| | - Alejandro Presa‐Soto
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, C/ Julián Clavería S/N, 33071 Oviedo, Spain
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43
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Chen YC, Xue D, Deng JG, Cui X, Zhu J, Jiang YZ. Efficient asymmetric transfer hydrogenation of activated olefins catalyzed by ruthenium amido complexes. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2003.12.057] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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44
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Li X, Chen W, Hems W, King F, Xiao J. Asymmetric transfer hydrogenation of ketones with a polymer-supported chiral diamine. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2003.11.104] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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45
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Liu PN, Gu PM, Wang F, Tu YQ. Efficient Heterogeneous Asymmetric Transfer Hydrogenation of Ketones Using Highly Recyclable and Accessible Silica-Immobilized Ru-TsDPEN Catalysts. Org Lett 2003; 6:169-72. [PMID: 14723520 DOI: 10.1021/ol036065z] [Citation(s) in RCA: 156] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[reaction: see text] Chiral Ru-TsDPEN [N-(p-toluenesulfonyl)-1,2-diphenylethylenediamine]-derived catalysts were first successfully immobilized onto amorphous silica gel and mesoporous silicas of MCM-41 and SBA-15 by an easily accessible approach. The catalyst immobilized on silica gel demonstrated remarkably high catalytic activities and excellent enantioselectivities (up to >99% ee) for the heterogeneous asymmetric transfer hydrogenation of various ketones. Particularly, the catalyst could be readily recovered and reused in multiple consecutive catalytic runs (up to 10 uses) with the completely maintained enantioselectivity.
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Affiliation(s)
- Pei Nian Liu
- Department of Chemistry and State Key Laboratory of Applied Organic Chemistry Lanzhou University, Lanzhou 730000, PR China
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46
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Liu PN, Chen YC, Li XQ, Tu YQ, Gen Deng J. Dendritic catalysts for asymmetric transfer hydrogenation based (1S,2R)-norephedrine derived ligands. ACTA ACUST UNITED AC 2003. [DOI: 10.1016/s0957-4166(03)00522-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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47
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Affiliation(s)
- David E Bergbreiter
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012, USA.
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48
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van Heerbeek R, Kamer PCJ, van Leeuwen PWNM, Reek JNH. Dendrimers as support for recoverable catalysts and reagents. Chem Rev 2002; 102:3717-56. [PMID: 12371900 DOI: 10.1021/cr0103874] [Citation(s) in RCA: 481] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rieko van Heerbeek
- Institute of Molecular Chemistry, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV, Amsterdam, The Netherlands
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49
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Fan QH, Li YM, Chan ASC. Recoverable catalysts for asymmetric organic synthesis. Chem Rev 2002; 102:3385-466. [PMID: 12371889 DOI: 10.1021/cr010341a] [Citation(s) in RCA: 696] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qing-Hua Fan
- Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing, People's Republic of China
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50
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Chen YC, Wu TF, Deng JG, Liu H, Cui X, Zhu J, Jiang YZ, Choi MCK, Chan ASC. Multiple dendritic catalysts for asymmetric transfer hydrogenation. J Org Chem 2002; 67:5301-6. [PMID: 12126419 DOI: 10.1021/jo0257795] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first and second generation multiple dendritic ligands based on chiral diamine were synthesized in a convergent approach and were well-characterized by NMR and MS techniques. Their ruthenium complexes prepared in situ had good solubility in the reaction medium (azeotrope of formic acid and triethylamine) and demonstrated high catalytic activity and enantioselectivity comparable to monomeric catalysts in the asymmetric transfer hydrogenation of ketones and imines. Quantitative yields and for some cases a slightly higher enantioselectivity (up to 98.7% ee) were obtained in the dendritic catalysis. Considering the high local catalyst concentrations at the periphery, diones were tested for the possible synergic reactivity between catalytic units at the surface, while no apparent differences were noted.
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Affiliation(s)
- Ying-Chun Chen
- Union Laboratory of Asymmetric Synthesis, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China
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