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Ji Y, Liu Y, Guan W, Guo C, Jia H, Hong B, Li H. Enantioselective Divergent Syntheses of Diterpenoid Pyrones. J Am Chem Soc 2024; 146:9395-9403. [PMID: 38497763 DOI: 10.1021/jacs.4c01788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Capitalizing a synergy between late-stage C(sp3)-H alkynylation and a series of transition metal-catalyzed alkyne functionalization reactions, we reported herein enantioselective divergent synthesis of 10 diterpenoid pyrones within 14-16 steps starting from chiral pool enoxolone, including the first enantioselective synthesis of higginsianins A, B, D, E, and metarhizin C. Our synthesis also highlights an unprecedented biomimetic oxidative rearrangement of α-pyrone into 3(2H)-furanone, as well as applications of Echavarren C(sp3)-H alkynylation reaction and Toste chiral counterion-mediated Au-catalyzed intramolecular allene hydroalkoxylation in natural product synthesis.
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Affiliation(s)
- Yunpeng Ji
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Yaqian Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Weiqiang Guan
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Chuning Guo
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Hongli Jia
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Benke Hong
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
| | - Houhua Li
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road No. 38, Beijing 100191, China
- Ningbo Institute of Marine Medicine, Peking University, Ningbo 315010, China
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2
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Liu X, Zhu Z. Synthesis and Catalytic Applications of Advanced Sn- and Zr-Zeolites Materials. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306533. [PMID: 38148424 PMCID: PMC10953593 DOI: 10.1002/advs.202306533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 11/09/2023] [Indexed: 12/28/2023]
Abstract
The incorporation of isolated Sn (IV) and Zr (IV) ions into silica frameworks is attracting widespread attention, which exhibits remarkable catalytic performance (conversion, selectivity, and stability) in a broad range of reactions, especially in the field of biomass catalytic conversion. As a representative example, the conversion route of carbohydrates into valuable platform and commodity chemicals such as lactic acid and alkyl lactates, has already been established. The zeotype materials also possess water-tolerant ability and are capable to be served as promising heterogeneous catalysts for aqueous reactions. Therefore, dozens of Sn- and Zr-containing silica materials with various channel systems have been prepared successfully in the past decades, containing 8 membered rings (MR) small pore CHA zeolite, 10-MR medium pore zeolites (FER, MCM-56, MEL, MFI, MWW), 12-MR large pore zeolites (Beta, BEC, FAU, MOR, MSE, MTW), and 14-MR extra-large pore UTL zeolite. This review about Sn- and Zr-containing metallosilicate materials focuses on their synthesis strategy, catalytic applications for diverse reactions, and the effect of zeolite characteristics on their catalytic performances.
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Affiliation(s)
- Xue Liu
- Department of ChemistryCollege of ScienceHebei Agricultural UniversityLingyusi Road 289Baoding071001P. R. China
| | - Zhiguo Zhu
- College of Chemistry and Chemical EngineeringYantai UniversityQingquan Road 30Yantai264005P. R. China
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3
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Taleb B, Jahjah R, Cornu D, Bechelany M, Al Ajami M, Kataya G, Hijazi A, El-Dakdouki MH. Exploring Hydrogen Sources in Catalytic Transfer Hydrogenation: A Review of Unsaturated Compound Reduction. Molecules 2023; 28:7541. [PMID: 38005261 PMCID: PMC10673347 DOI: 10.3390/molecules28227541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Catalytic transfer hydrogenation has emerged as a pivotal chemical process with transformative potential in various industries. This review highlights the significance of catalytic transfer hydrogenation, a reaction that facilitates the transfer of hydrogen from one molecule to another, using a distinct molecule as the hydrogen source in the presence of a catalyst. Unlike conventional direct hydrogenation, catalytic transfer hydrogenation offers numerous advantages, such as enhanced safety, cost-effective hydrogen donors, byproduct recyclability, catalyst accessibility, and the potential for catalytic asymmetric transfer hydrogenation, particularly with chiral ligands. Moreover, the diverse range of hydrogen donor molecules utilized in this reaction have been explored, shedding light on their unique properties and their impact on catalytic systems and the mechanism elucidation of some reactions. Alcohols such as methanol and isopropanol are prominent hydrogen donors, demonstrating remarkable efficacy in various reductions. Formic acid offers irreversible hydrogenation, preventing the occurrence of reverse reactions, and is extensively utilized in chiral compound synthesis. Unconventional donors such as 1,4-cyclohexadiene and glycerol have shown a good efficiency in reducing unsaturated compounds, with glycerol additionally serving as a green solvent in some transformations. The compatibility of these donors with various catalysts, substrates, and reaction conditions were all discussed. Furthermore, this paper outlines future trends which include the utilization of biomass-derived hydrogen donors, the exploration of hydrogen storage materials such as metal-organic frameworks (MOFs), catalyst development for enhanced activity and recyclability, and the utilization of eco-friendly solvents such as glycerol and ionic liquids. Innovative heating methods, diverse base materials, and continued research into catalyst-hydrogen donor interactions are aimed to shape the future of catalytic transfer hydrogenation, enhancing its selectivity and efficiency across various industries and applications.
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Affiliation(s)
- Batoul Taleb
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
- Department of Chemistry, Faculty of Science, Beirut Arab University, Debbieh P.O. Box 11-5020, Lebanon
| | - Rabih Jahjah
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - David Cornu
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
| | - Mikhael Bechelany
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
- Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology (GUST), Mubarak Al-Abdullah 32093, Kuwait
| | - Mohamad Al Ajami
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - Ghenwa Kataya
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
- Institut Européen des Membranes (IEM), UMR 5635, University of Montpellier, ENSCM, CNRS, Place Eugène Bataillon, 34095 Montpellier, France;
| | - Akram Hijazi
- Platform for Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Science and Technology, Lebanese University, Beirut P.O. Box 6573/14, Lebanon; (B.T.); (R.J.); (M.A.A.); (G.K.); (A.H.)
| | - Mohammad H. El-Dakdouki
- Department of Chemistry, Faculty of Science, Beirut Arab University, Debbieh P.O. Box 11-5020, Lebanon
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Zhao XH, Meng LL, Liu XT, Shu PF, Yuan C, An XT, Jia TX, Yang QQ, Zhen X, Fan CA. Asymmetric Divergent Synthesis of ent-Kaurane-, ent-Atisane-, ent-Beyerane-, ent-Trachylobane-, and ent-Gibberellane-type Diterpenoids. J Am Chem Soc 2023; 145:311-321. [PMID: 36538760 DOI: 10.1021/jacs.2c09985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A unified strategy toward asymmetric divergent syntheses of nine C8-ethano-bridged diterpenoids A1-A9 (candol A, powerol, sicanadiol, epi-candol A, atisirene, ent-atisan-16α-ol, 4-decarboxy-4-methyl-GA12, trachinol, and ent-beyerane) has been developed based on late-stage transformations of common synthons having ent-kaurane and ent-trachylobane cores. The expeditious assembly of crucial advanced ent-kaurane- and ent-trachylobane-type building blocks is strategically explored through a regioselective and diastereoselective Fe-mediated hydrogen atom transfer (HAT) 6-exo-trig cyclization of the alkene/enone and 3-exo-trig cyclization of the alkene/ketone, showing the multi-reactivity of densely functionalized polycyclic substrates with πC═C and πC═O systems in HAT-initiated reactions. Following the rapid construction of five major structural skeletons (ent-kaurane-, ent-atisane-, ent-beyerane-, ent-trachylobane-, and ent-gibberellane-type), nine C8-ethano-bridged diterpenoids A1-A9 could be accessed in the longest linear 8 to 11 steps starting from readily available chiral γ-cyclogeraniol 1 and known chiral γ-substituted cyclohexenone 2, in which enantioselective total syntheses of candol A (A1, 8 steps), powerol (A2, 9 steps), sicanadiol (A3, 10 steps), epi-candol A (A4, 8 steps), ent-atisan-16α-ol (A6, 11 steps), and trachinol (A8, 10 steps) are achieved for the first time.
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Affiliation(s)
- Xian-He Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Le-Le Meng
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xiao-Tao Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Peng-Fei Shu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Cheng Yuan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xian-Tao An
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Tian-Xi Jia
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Qi-Qiong Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xiang Zhen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Chun-An Fan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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Li F, Yang R, Du Z, Dai J, Wang X, Li N, Zhang J, Zhang X, Liu Y, Gong H, Yin H, Cai Z. Sc(OTf)3: An efficient homogeneous catalyst for microwave-assisted transfer hydrogenation of ethyl levulinate to γ-valerolactone under mild conditions. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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6
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Muhammad A, Ismaila A, Usman BJ, Di Carmine G, D'Agostino C. Activity and stability studies of H-transfer reduction reactions of aldehydes and ketones over aluminium isopropoxide heterogenised catalysts. RSC Adv 2022; 12:33970-33980. [PMID: 36544994 PMCID: PMC9706686 DOI: 10.1039/d2ra06437e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 11/17/2022] [Indexed: 11/30/2022] Open
Abstract
Aluminium isopropoxide Al(OiPr)3 immobilised on various mesoporous supports (SiO2, TiO2 and γ-Al2O3) was tested for H-transfer reductions of various aldehydes and ketones in the presence of 2-propanol as a sacrificial agent. The heterogenised catalysts were characterised by N2 physisorption, XRD, SEM-EDX, FTIR and ICP-OES. The characterisation results show a successful grafting of the homogeneous aluminium isopropoxide catalyst, covalently bound to the solid surface, with high dispersion over the mesoporous supports. The heterogenised catalysts show an excellent catalytic activity with high selectivity towards the desired alcohol product, with performances that are comparable with those of the homogeneous Al(OiPr)3 catalyst. Al(OiPr)3 grafted on SiO2 shows higher activity compared to γ-Al2O3 and TiO2 supported catalysts. The catalysts remain very active after 5 cycles of reuse and no leached Al(OiPr)3 was found in the reaction mixture, hence showing an excellent stability. The work reported here shows that it is possible to effectively immobilise catalytic functions, usually working in the homogeneous phase, over solid supports, with the resulting heterogenised catalysts keeping the same catalytic activity of the homogeneous counterpart and excellent stability, and with the advantage of being able to recycle and reuse them, without loss of catalytic materials.
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Affiliation(s)
- Atika Muhammad
- Department of Chemical Engineering, The University of ManchesterOxford RoadM13 9PLUK
| | - Ammaru Ismaila
- Department of Chemical Engineering, The University of ManchesterOxford RoadM13 9PLUK
| | - Bashir Jelani Usman
- Department of Materials, The University of ManchesterOxford RoadM13 9PL ManchesterUK
| | - Graziano Di Carmine
- Dipartimento di Scienze Chimiche, Farmaceutiche ed Agrarie, Università degli Studi di FerraraVia L. Borsari, 46I-44121 FerraraItaly
| | - Carmine D'Agostino
- Department of Chemical Engineering, The University of ManchesterOxford RoadM13 9PLUK,Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali (DICAM), Alma Mater Studiorum – Università di BolognaVia Terracini, 2840131 BolognaItaly
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7
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Yang F, Porco JA. Unified, Asymmetric Total Synthesis of the Asnovolins and Related Spiromeroterpenoids: A Fragment Coupling Approach. J Am Chem Soc 2022; 144:12970-12978. [DOI: 10.1021/jacs.2c05366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Feng Yang
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, United States
| | - John A. Porco
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, 590 Commonwealth Avenue, Boston, Massachusetts 02215, United States
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8
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Tan J, Wu H, Huang J, Jian Y, Zhang LL, Zhang H, Li H, Yang S. Cascade Upgrading of Bio-based 4’-methoxypropiophenone to Anethole Enabled by Hot-compressed Alcohol Over a Hf-phytic Acid Coordination Catalyst. J Supercrit Fluids 2022. [DOI: 10.1016/j.supflu.2022.105696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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9
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Maderuelo-Solera R, Richter S, Jiménez-Gómez CP, García-Sancho C, García-Mateos FJ, Rosas JM, Moreno-Tost R, Cecilia JA, Maireles-Torres P. Porous SiO 2 Nanospheres Modified with ZrO 2 and Their Use in One-Pot Catalytic Processes to Obtain Value-Added Chemicals from Furfural. Ind Eng Chem Res 2021; 60:18791-18805. [PMID: 34992332 PMCID: PMC8721592 DOI: 10.1021/acs.iecr.1c02848] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 11/28/2022]
Abstract
Porous SiO2 nanospheres were modified with different loadings of ZrO2 to obtain catalysts with a Si/Zr molar ratio from 2.5 to 30. These materials were characterized by X-ray diffraction, transmission and scanning electron microscopies, N2 adsorption-desorption at -196 °C, X-ray photoelectron spectroscopy and pyridine and 2-6-dimethylpyridine thermoprogrammed desorption. The characterization of these catalysts has revealed that a high proportion of Zr favors the formation of Lewis acid sites, which are implied in catalytic transfer hydrogenation processes, whereas the low Brönsted acidity promotes a dehydration reaction, being possible to give rise to a large variety of products from furfural through consecutive reactions, such as furfuryl alcohol, i-propyl furfuryl ether, i-propyl levulinate, and γ-valerolactone, in a range of temperature of 110-170 °C and 1-6 h of reaction.
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Affiliation(s)
- Rocío Maderuelo-Solera
- Departamento
de Química Inorgánica, Cristalografía y Mineralogía,
Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Stefan Richter
- Institute
for Organic Chemistry III/Macromolecular Chemistry, Ulm University, Albert Einstein Allee 11, Ulm 89081, Germany
| | - Carmen P. Jiménez-Gómez
- Departamento
de Química Inorgánica, Cristalografía y Mineralogía,
Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Cristina García-Sancho
- Departamento
de Química Inorgánica, Cristalografía y Mineralogía,
Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Francisco J. García-Mateos
- Departamento
de Ingeniería Química, Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Juana M. Rosas
- Departamento
de Ingeniería Química, Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Ramón Moreno-Tost
- Departamento
de Química Inorgánica, Cristalografía y Mineralogía,
Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Juan A. Cecilia
- Departamento
de Química Inorgánica, Cristalografía y Mineralogía,
Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
| | - Pedro Maireles-Torres
- Departamento
de Química Inorgánica, Cristalografía y Mineralogía,
Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, Málaga 29071, Spain
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Zheng L, Yin X, Mohammadlou A, Sullivan RP, Guan Y, Staples R, Wulff WD. Asymmetric Catalytic Meerwein–Ponndorf–Verley Reduction of Ketones with Aluminum(III)-VANOL Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01734] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Li Zheng
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Xiaopeng Yin
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Aliakbar Mohammadlou
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Ryan P. Sullivan
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Yong Guan
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - Richard Staples
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
| | - William D. Wulff
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, United States
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Transfer Hydrogenation from 2-propanol to Acetophenone Catalyzed by [RuCl2(η6-arene)P] (P = monophosphine) and [Rh(PP)2]X (PP = diphosphine, X = Cl−, BF4−) Complexes. Catalysts 2020. [DOI: 10.3390/catal10020162] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The reduction of ketones through homogeneous transfer hydrogenation catalyzed by transition metals is one of the most important routes for obtaining alcohols from carbonyl compounds. The interest of this method increases when opportune catalytic precursors are able to perform the transformation in an asymmetric fashion, generating enantiomerically enriched chiral alcohols. This reaction has been extensively studied in terms of catalysts and variety of substrates. A large amount of information about the possible mechanisms is available nowadays, which has been of high importance for the development of systems with excellent outcomes in terms of conversion, enantioselectivity and Turn Over Frequency. On the other side, many mechanistic aspects are still unclear, especially for those catalytic precursors which have shown only moderate performances in transfer hydeogenation. This is the case of neutral [RuCl2(η6-arene)(P)] and cationic [Rh(PP)2]X (X = anion; P and PP = mono- and bidentate phosphine, respectively) complexes. Herein, a summary of the known information about the Transfer Hydrogenation catalyzed by these complexes is provided with a continuous focus on the more relevant mechanistic features.
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12
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Boyle TJ, Guerrero F, Alam TM, Dunnigan KA, Sears JM, Wheeler DR. Trapped Intermediate of a Meerwein-Pondorf-Verley Reduction of Hydroxy Benzaldehyde to a Dialkoxide by Titanium Alkoxides. Inorg Chem 2020; 59:880-890. [PMID: 31840987 DOI: 10.1021/acs.inorgchem.9b03134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of titanium alkoxides ([Ti(OR)4] (OR = OCH(CH3)2 (OPri), OC(CH3)3 (OBut), and OCH2C(CH3)3 (ONep)) were modified with a set of substituted hydroxyl-benzaldehydes [HO-BzA-Lx: x = 1, 2-hydroxybenzaldehyde (L = H), 2-hydroxy-3-methoxybenzaldehyde (OMe-3), 5-bromo-2-hydroxybenzaldehyde (Br-5), 2-hydroxy-5-nitrobenzaldehyde (NO2-5); x = 2, 3,5-di-tert-butyl-2-hydroxybenzaldehyde (But-3,5), 2-hydroxy-3,5-diiodobenzaldehyde (I-3,5)] in pyridine (py). Instead of the expected simple substitution, each of the HO-BzA-Lx modifiers were reduced to their respective diol [(py)(OR)2Ti(κ2(O,μ-O')(OC6H4-x(CH2O)-2)(L)x] (OR = OPri, x = 1, L = H (1a), OMe-3 (2a), Br-5 (3a·py), NO2-5 (4a·4py); x = 2, But-3,5 (5a), I-3,5 (6a), ONep; x = 1, L = H (1b), OMe-3 (2b), Br-5 (3b·py), NO2-5 (4b); x = 2, But-3,5 (5b), I-3,5 (6b·py)), as identified by single crystal X-ray studies. The 1H NMR spectral data were complex at room temperature but simplified at high temperatures (70 °C). Diffusion ordered spectroscopy (DOSY) NMR experiments indicated that 2a maintained the dinuclear structure in a solution independent of the temperature, whereas 2b appears to be monomeric over the same temperature range. On the basis of additional NMR studies, the mechanism of the reduction of the HO-BzA-Lx to the dioxide ligand was thought to occur by a Meerwein-Pondorf-Verley (MPV) mechanism. The structures of 1a-6b appear to be the intermediate dioxide products of the MPV reduction, which became "trapped" by the Lewis basic solvate.
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Affiliation(s)
- Timothy J Boyle
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - Fernando Guerrero
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - Todd M Alam
- Organic Materials Science Department , Sandia National Laboratories , P.O. Box 5800, MS 0886, Albuquerque , New Mexico 87185-0866 , United States
| | - Kaylee A Dunnigan
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - Jeremiah M Sears
- Advanced Materials Laboratory Department , Sandia National Laboratories , 1001 University Boulevard SE , Albuquerque , New Mexico 87106 , United States
| | - David R Wheeler
- Applied Strategic Technologies , Sandia National Laboratories , P.O. Box 5800, MS 1217, Albuquerque , New Mexico 87185-1217 , United States
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13
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Liu C, Xu G, Hu A, Xie Y, Wang H. Porous Zirconium Hydroxyphosphonoacetate: Catalyst for Conversion of Furfural into Furfuryl Alcohol. ChemistrySelect 2019. [DOI: 10.1002/slct.201901612] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Chen Liu
- College of Chemistry and Materials EngineeringJiangnan University, Jiangsu Wuxi 214000 People's Republic of China
| | - Guangzhi Xu
- College of Chemistry and Materials EngineeringJiangnan University, Jiangsu Wuxi 214000 People's Republic of China
| | - Aiyun Hu
- College of Chemistry and Materials EngineeringJiangnan University, Jiangsu Wuxi 214000 People's Republic of China
| | - Yongdi Xie
- College of Chemistry and Materials EngineeringJiangnan University, Jiangsu Wuxi 214000 People's Republic of China
| | - Haijun Wang
- College of Chemistry and Materials EngineeringJiangnan University, Jiangsu Wuxi 214000 People's Republic of China
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14
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Influence of Structure-modifying Agents in the Synthesis of Zr-doped SBA-15 Silica and Their Use as Catalysts in the Furfural Hydrogenation to Obtain High Value-added Products through the Meerwein-Ponndorf-Verley Reduction. Int J Mol Sci 2019; 20:ijms20040828. [PMID: 30769888 PMCID: PMC6412303 DOI: 10.3390/ijms20040828] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 02/04/2019] [Accepted: 02/12/2019] [Indexed: 12/16/2022] Open
Abstract
Zr-doped mesoporous silicas with different textural parameters have been synthesized in the presence of structure-modifying agents, and then characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), N2 adsorption-desorption at −196 °C, NH3 thermoprogrammed desorption (NH3–TPD), CO2 thermoprogrammed desorption (CO2–TPD), and X-ray photoelectron spectroscopy (XPS). These porous materials were evaluated in the furfural hydrogenation through the Meerwein-Ponndorf-Verley (MPV) reaction. The catalytic results indicate that the catalyst synthesized under hydrothermal conditions and adding a pore expander agent is more active and selective to furfuryl alcohol. However, the Zr-doped porous silica catalysts that were synthesized at room temperature, which possess narrow pore sizes, tend to form i-propyl furfuryl and difurfuryl ethers, coming from etherification between furfuryl alcohol (FOL) and isopropanol molecules (used as H-donor) by a SN2 mechanism.
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15
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Tautz M, Saldías C, Lozano-Gorrín AD, Díaz Díaz D. Use of a bis-1,2,3-triazole gelator for the preparation of supramolecular metallogels and stabilization of gold nanoparticles. NEW J CHEM 2019. [DOI: 10.1039/c9nj03427g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, a series of functional metallogels have been prepared using a bis-1,2,3-triazole gelator prepared using the isosteric substitution method.
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Affiliation(s)
- Markus Tautz
- Institut für Organische Chemie
- Universität Regensburg
- 93053 Regensburg
- Germany
| | - César Saldías
- Departamento de Química Física, Facultad de Química
- Pontificia Universidad Católica de Chile
- Santiago
- Chile
| | - Antonio Diego Lozano-Gorrín
- Departamento de Química
- Universidad de La Laguna
- 38206 La Laguna
- Spain
- Instituto Universitario de Materiales y Nanotecnología (IMN)
| | - David Díaz Díaz
- Institut für Organische Chemie
- Universität Regensburg
- 93053 Regensburg
- Germany
- Instituto de Productos Naturales y Agrobiología del CSIC
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16
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Hydrogen Transfer Reactions of Carbonyls, Alkynes, and Alkenes with Noble Metals in the Presence of Alcohols/Ethers and Amines as Hydrogen Donors. Catalysts 2018. [DOI: 10.3390/catal8120671] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Hydrogen transfer reactions have exceptional importance, due to their applicability in numerous synthetic pathways, with academic as well as industrial relevance. The most important transformations are, e.g., reduction, ring-closing, stereoselective reactions, and the synthesis of heterocycles. The present review provides insights into the hydrogen transfer reactions in the condensed phase in the presence of noble metals (Rh, Ru, Pd) as catalysts. Since the H-donor molecules (such as alcohols/ethers and amines (1°, 2°, 3°)) and the acceptor molecules (alkenes (C=C), alkynes (C≡C), and carbonyl (C=O) compounds) play a crucial role from mechanistic viewpoints, the present summary points out the key mechanistic differences with the interpretation of current contributions and the corresponding historical achievements as well.
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17
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Goldsmith CR. Aluminum and gallium complexes as homogeneous catalysts for reduction/oxidation reactions. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.08.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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18
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Anchored Aluminum Catalyzed Meerwein-Ponndorf-Verley Reduction at the Metal Nodes of Robust MOFs. Inorg Chem 2018; 57:6825-6832. [PMID: 29878771 DOI: 10.1021/acs.inorgchem.8b00119] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Catalytic Meerwein-Ponndorf-Verley reductions of ketones and aldehydes in the presence of isopropyl alcohol were performed at aluminum alkoxide sites that were postsynthetically introduced into robust metal-organic frameworks (MOFs). The aluminum was anchored at the bridging hydroxyl sites inherent in some MOFs. MOFs in the UiO-66/67 family as well as DUT-5 were successfully adapted to this strategy. Incorporation of catalytically active aluminum species greatly enhanced the reactivity of the native MOF at 80 °C in the case of both UiO-66, and was almost solely responsible for catalytic activity in the case of metalated UiO-66 and DUT-5. The site isolation of the catalyst prevented aggregation and complete deactivation of the molecular aluminum catalyst, allowing it to be recovered and recycled in the case of UiO-67. This catalyst also proved to be moderately tolerant to wet isopropyl alcohol.
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19
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Surface titanium oxide loaded on a special alumina as high-performance catalyst for reduction of cinnamaldehyde by isopropanol. CHINESE JOURNAL OF CATALYSIS 2017. [DOI: 10.1016/s1872-2067(17)62873-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Voges M, Fischer F, Neuhaus M, Sadowski G, Held C. Measuring and Predicting Thermodynamic Limitation of an Alcohol Dehydrogenase Reaction. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b01228] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Matthias Voges
- Laboratory of Thermodynamics,
Department of Biochemical and Chemical Engineering, Technische Universität Dortmund, Emil-Figge-Straße 70, 44227 Dortmund, Germany
| | - Florian Fischer
- Laboratory of Thermodynamics,
Department of Biochemical and Chemical Engineering, Technische Universität Dortmund, Emil-Figge-Straße 70, 44227 Dortmund, Germany
| | - Melanie Neuhaus
- Laboratory of Thermodynamics,
Department of Biochemical and Chemical Engineering, Technische Universität Dortmund, Emil-Figge-Straße 70, 44227 Dortmund, Germany
| | - Gabriele Sadowski
- Laboratory of Thermodynamics,
Department of Biochemical and Chemical Engineering, Technische Universität Dortmund, Emil-Figge-Straße 70, 44227 Dortmund, Germany
| | - Christoph Held
- Laboratory of Thermodynamics,
Department of Biochemical and Chemical Engineering, Technische Universität Dortmund, Emil-Figge-Straße 70, 44227 Dortmund, Germany
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21
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Li G, Sun Z, Yan Y, Zhang Y, Tang Y. Direct Transformation of HMF into 2,5-Diformylfuran and 2,5-Dihydroxymethylfuran without an External Oxidant or Reductant. CHEMSUSCHEM 2017; 10:494-498. [PMID: 27882693 DOI: 10.1002/cssc.201601322] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Indexed: 06/06/2023]
Abstract
The selective transformation of 5-hydroxymethylfurfural (HMF) to valuable 2,5-diformylfuran (DFF) and 2,5-dihydroxymethylfuran (DHMF) is highly desirable but remains a great challenge owing to its tendency to over-oxidation and over-reduction. In this work, HMF is directly converted into DFF and DHMF without external oxidant or reductant through a Meerwein-Ponndorf-Verley-Oppenauer (MPVO) reaction. In such a MPVO process, HMF is used as both oxidant and reductant and DFF and DHMF are simultaneously produced with a 1:1 molar ratio in the presence of a Lewis acid catalyst. Under high initial HMF concentration, a HMF conversion of up to 44.7 % can be reached within 1 h. Moreover, this atom-efficient transformation route for HMF also provides a promising protocol for the crude separation of DHMF products from DFF products, owing to the lower solubility of DHMF compared to DFF in acetonitrile.
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Affiliation(s)
- Gang Li
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials, Collaborative Innovation Centre of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, P.R. China
| | - Zhen Sun
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials, Collaborative Innovation Centre of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, P.R. China
| | - Yueer Yan
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials, Collaborative Innovation Centre of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, P.R. China
| | - Yahong Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials, Collaborative Innovation Centre of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, P.R. China
| | - Yi Tang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials, Collaborative Innovation Centre of Chemistry for Energy Materials, Fudan University, Shanghai, 200433, P.R. China
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22
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Kilic H, Bayindir S, Erdogan E, Agopcan Cinar S, Konuklar FAS, Bali SK, Saracoglu N, Aviyente V. Bismuth nitrate-promoted disproportionative condensation of indoles with cyclohexanone: a new-type azafulvenium reactivity of indole. NEW J CHEM 2017. [DOI: 10.1039/c7nj01987d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The bismuth nitrate-promoted disproportionative condensation of indoles with cyclohexanone in one pot, to yield C3-cyclohexyl substituted indoles and 1,3-di(1H-indol-3-yl)benzene derivatives is reported for the first time.
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Affiliation(s)
- H. Kilic
- Department of Chemistry
- Faculty of Sciences
- Atatürk University
- Erzurum
- Turkey
| | - S. Bayindir
- Department of Chemistry
- Faculty of Sciences
- Atatürk University
- Erzurum
- Turkey
| | - E. Erdogan
- Department of Chemistry
- Faculty of Sciences
- Atatürk University
- Erzurum
- Turkey
| | - S. Agopcan Cinar
- Department of Chemistry
- Faculty of Arts and Sciences
- Boğaziçi University
- Istanbul
- Turkey
| | | | - S. K. Bali
- Department of Chemistry
- Faculty of Arts and Sciences
- Boğaziçi University
- Istanbul
- Turkey
| | - N. Saracoglu
- Department of Chemistry
- Faculty of Sciences
- Atatürk University
- Erzurum
- Turkey
| | - V. Aviyente
- Department of Chemistry
- Faculty of Arts and Sciences
- Boğaziçi University
- Istanbul
- Turkey
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23
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Fukui M, Tanaka A, Hashimoto K, Kominami H. Visible light-induced heterogeneous Meerwein–Ponndorf–Verley-type reduction of an aldehyde group over an organically modified titanium dioxide photocatalyst. Chem Commun (Camb) 2017; 53:4215-4218. [DOI: 10.1039/c7cc00645d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An organically modified TiO2 photocatalyst chemoselectively converted benzaldehydes to the corresponding benzyl alcohols under visible light irradiation.
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Affiliation(s)
- Makoto Fukui
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
| | - Atsuhiro Tanaka
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
| | - Keiji Hashimoto
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
| | - Hiroshi Kominami
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kindai University
- Higashiosaka
- Japan
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24
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Song Z, Ren D, Wang T, Jin F, Jiang Q, Huo Z. Highly selective hydrothermal production of cyclohexanol from biomass-derived cyclohexanone over Cu powder. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.11.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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25
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Li W, Spada L, Evangelisti L, Caminati W. Conformational Equilibrium and Potential Energy Functions of the O–H Internal Rotation in the Axial and Equatorial Species of 1-Methylcyclohexanol. J Phys Chem A 2016; 120:4338-42. [DOI: 10.1021/acs.jpca.6b03854] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Weixing Li
- Dipartimento di Chimica “G.
Ciamician” dell’Università, Via Selmi 2, I-40126 Bologna, Italy
| | - Lorenzo Spada
- Dipartimento di Chimica “G.
Ciamician” dell’Università, Via Selmi 2, I-40126 Bologna, Italy
| | - Luca Evangelisti
- Dipartimento di Chimica “G.
Ciamician” dell’Università, Via Selmi 2, I-40126 Bologna, Italy
| | - Walther Caminati
- Dipartimento di Chimica “G.
Ciamician” dell’Università, Via Selmi 2, I-40126 Bologna, Italy
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26
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Yang Z, Yi Y, Zhong M, De S, Mondal T, Koley D, Ma X, Zhang D, Roesky HW. Addition Reactions of Me3SiCN with Aldehydes Catalyzed by Aluminum Complexes Containing in their Coordination Sphere O, S, and N Ligands. Chemistry 2016; 22:6932-8. [DOI: 10.1002/chem.201505162] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Zhi Yang
- School of Chemical Engineering and Environment; Beijing Institute of Technology; 100081 Beijing P. R. China
- State Key Laboratory of Elemento-organic Chemistry; Nankai University; P. R. China
| | - Yafei Yi
- School of Chemical Engineering and Environment; Beijing Institute of Technology; 100081 Beijing P. R. China
| | - Mingdong Zhong
- School of Chemical Engineering and Environment; Beijing Institute of Technology; 100081 Beijing P. R. China
| | - Sriman De
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 India
| | - Totan Mondal
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 India
| | - Debasis Koley
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 India
| | - Xiaoli Ma
- School of Chemical Engineering and Environment; Beijing Institute of Technology; 100081 Beijing P. R. China
| | - Dongxiang Zhang
- School of Chemical Engineering and Environment; Beijing Institute of Technology; 100081 Beijing P. R. China
| | - Herbert W. Roesky
- Institut für Anorganische Chemie; Universität Göttingen; Tammannstrasse 4 37077 Göttingen Germany
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27
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Han HF, Zhang SF, Guo ZQ, Tong HB, Wei XH. Three asymmetric guanidinato metal complexes: Synthesis, crystal structures and their use as pre-catalysts in the Meerwein–Ponndorf–Verley reduction. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.06.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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28
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Song J, Zhou B, Zhou H, Wu L, Meng Q, Liu Z, Han B. Porous Zirconium-Phytic Acid Hybrid: a Highly Efficient Catalyst for Meerwein-Ponndorf-Verley Reductions. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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29
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Song J, Zhou B, Zhou H, Wu L, Meng Q, Liu Z, Han B. Porous Zirconium-Phytic Acid Hybrid: a Highly Efficient Catalyst for Meerwein-Ponndorf-Verley Reductions. Angew Chem Int Ed Engl 2015; 54:9399-403. [PMID: 26177726 DOI: 10.1002/anie.201504001] [Citation(s) in RCA: 188] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 06/08/2015] [Indexed: 01/21/2023]
Abstract
The utilization of compounds from natural sources to prepare functional materials is of great importance. Herein, we describe for the first time the preparation of organic-inorganic hybrid catalysts by using natural phytic acid as building block. Zirconium phosphonate (Zr-PhyA) was synthesized by reaction of phytic acid and ZrCl4 and was obtained as a mesoporous material with pore sizes centered around 8.5 nm. Zr-PhyA was used to catalyze the mild and selective Meerwein-Ponndorf-Verley (MPV) reduction of various carbonyl compounds, e.g., of levulinic acid and its esters into γ-valerolactone. Further studies indicated that both Zr and phosphate groups contribute significantly to the excellent performance of Zr-PhyA.
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Affiliation(s)
- Jinliang Song
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China).
| | - Baowen Zhou
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)
| | - Huacong Zhou
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)
| | - Lingqiao Wu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)
| | - Qinglei Meng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)
| | - Zhimin Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China).
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30
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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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31
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Saxena A, Perez F, Krische MJ. Ruthenium(0) Catalyzed Endiyne-α-Ketol [4 + 2] Cycloaddition: Convergent Assembly of Type II Polyketide Substructures via C-C Bond Forming Transfer Hydrogenation. J Am Chem Soc 2015; 137:5883-6. [PMID: 25938947 DOI: 10.1021/jacs.5b02755] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Upon exposure of 3,4-benzannulated 1,5-diynes (benzo-endiynes) to α-ketols (α-hydroxyketones) in the presence of Ru(0) catalysts derived from Ru3(CO)12 and RuPhos or CyJohnPhos, successive redox-triggered C-C coupling occurs to generate products of [4 + 2] cycloaddition. The proposed catalytic mechanism involves consecutive alkyne-carbonyl oxidative couplings to form transient oxaruthanacycles that suffer α-ketol mediated transfer hydrogenolysis. This process provides a new, convergent means of assembling Type II polyketide substructures.
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Affiliation(s)
- Aakarsh Saxena
- University of Texas at Austin, Department of Chemistry and Biochemistry, Austin, Texas 78712, United States
| | - Felix Perez
- University of Texas at Austin, Department of Chemistry and Biochemistry, Austin, Texas 78712, United States
| | - Michael J Krische
- University of Texas at Austin, Department of Chemistry and Biochemistry, Austin, Texas 78712, United States
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32
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Sato A, Yanai H, Suzuki D, Okada M, Taguchi T. Synthesis of (Z)-fluoroallyl azides through aluminium-mediated defluorinative functionalization reactions. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.12.128] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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33
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Yeagle KP, Hester D, Piro NA, Dougherty WG, Kassel WS, Graves CR. Synthesis, Characterization, and Catalytic Activity of a Series of Aluminium–Amidate Complexes. Aust J Chem 2015. [DOI: 10.1071/ch14514] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The aluminium complexes {[κ2-N,O-(t-BuNCOPh)]AlMe2}2 (2), [κ2-N,O-(t-BuNCOPh)]2AlMe (3), and [κ2-N,O-(t-BuNCOPh)]3Al (4) were prepared through the protonolysis reaction between trimethylaluminium and one, two, or three equivalents, respectively, of N-tert-butylbenzamide. Complex 2 was also prepared via a salt metathesis reaction between K(t-BuNCOPh) and dimethylaluminium chloride. Complexes 2–4 were characterized using 1H and 13C NMR spectroscopy. Single-crystal X-ray diffraction analysis of the complexes corroborated ligand : metal stoichiometries and revealed that all the amidate ligands coordinate to the aluminium ion in a κ2 fashion. The Al–amidate complexes 2–4 were viable catalyst precursors for the Meerwein–Ponndorf–Verley–Oppenauer reduction–oxidation manifold, successfully interconverting several classes of carbonyl and alcohol substrates.
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34
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Luo HY, Consoli DF, Gunther WR, Román-Leshkov Y. Investigation of the reaction kinetics of isolated Lewis acid sites in Beta zeolites for the Meerwein–Ponndorf–Verley reduction of methyl levulinate to γ-valerolactone. J Catal 2014. [DOI: 10.1016/j.jcat.2014.10.010] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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35
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Sonnenberg JF, Morris RH. Distinguishing homogeneous from nanoparticle asymmetric iron catalysis. Catal Sci Technol 2014. [DOI: 10.1039/c4cy00468j] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Chong CC, Hirao H, Kinjo R. A Concerted Transfer Hydrogenolysis: 1,3,2-Diazaphospholene-Catalyzed Hydrogenation of NN Bond with Ammonia-Borane. Angew Chem Int Ed Engl 2014; 53:3342-6. [DOI: 10.1002/anie.201400099] [Citation(s) in RCA: 114] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Indexed: 11/05/2022]
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37
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Chong CC, Hirao H, Kinjo R. A Concerted Transfer Hydrogenolysis: 1,3,2-Diazaphospholene-Catalyzed Hydrogenation of NN Bond with Ammonia-Borane. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400099] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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38
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Assary RS, Curtiss LA, Dumesic JA. Exploring Meerwein–Ponndorf–Verley Reduction Chemistry for Biomass Catalysis Using a First-Principles Approach. ACS Catal 2013. [DOI: 10.1021/cs400479m] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
| | | | - James A. Dumesic
- Department of Chemical & Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
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39
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New aluminum 2,2′-methylenebis(4-chloro-3-methyl-6-(isopropyl)phenoxides): Structural characterization of an unusual ionic aluminum bisphenoxide [Al(THF)4(Cl)2]+[Al(mcmip)2]−·x THF. INORG CHEM COMMUN 2013. [DOI: 10.1016/j.inoche.2013.01.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Yan K, Schoendorff G, Upton BM, Ellern A, Windus TL, Sadow AD. Intermolecular β-Hydrogen Abstraction in Ytterbium, Calcium, and Potassium Tris(dimethylsilyl)methyl Compounds. Organometallics 2013. [DOI: 10.1021/om3010299] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- KaKing Yan
- Department of Chemistry and U.S.
Department of Energy Ames Laboratory, Iowa State University, Ames, Iowa 50011, United States
| | - George Schoendorff
- Department of Chemistry and U.S.
Department of Energy Ames Laboratory, Iowa State University, Ames, Iowa 50011, United States
| | - Brianna M. Upton
- Department of Chemistry and U.S.
Department of Energy Ames Laboratory, Iowa State University, Ames, Iowa 50011, United States
| | - Arkady Ellern
- Department of Chemistry and U.S.
Department of Energy Ames Laboratory, Iowa State University, Ames, Iowa 50011, United States
| | - Theresa L. Windus
- Department of Chemistry and U.S.
Department of Energy Ames Laboratory, Iowa State University, Ames, Iowa 50011, United States
| | - Aaron D. Sadow
- Department of Chemistry and U.S.
Department of Energy Ames Laboratory, Iowa State University, Ames, Iowa 50011, United States
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Flack K, Kitagawa K, Pollet P, Eckert CA, Richman K, Stringer J, Dubay W, Liotta CL. Al(OtBu)3 as an Effective Catalyst for the Enhancement of Meerwein–Ponndorf–Verley (MPV) Reductions. Org Process Res Dev 2012. [DOI: 10.1021/op300106v] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | - Kent Richman
- American Pacific Corporation - Fine Chemicals (AMPAC), Rancho Cordova,
California
| | - Joy Stringer
- American Pacific Corporation - Fine Chemicals (AMPAC), Rancho Cordova,
California
| | - William Dubay
- American Pacific Corporation - Fine Chemicals (AMPAC), Rancho Cordova,
California
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42
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Lee J, Ryu T, Park S, Lee PH. Indium tri(isopropoxide)-catalyzed selective Meerwein-Ponndorf-Verley reduction of aliphatic and aromatic aldehydes. J Org Chem 2012; 77:4821-5. [PMID: 22563904 DOI: 10.1021/jo300236u] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Indium tri(isopropoxide)-catalyzed Meerwein-Ponndorf-Verley reduction of aliphatic and aromatic aldehydes in 2-propanol gave selectively the corresponding primary alcohols in good to excellent yields at room temperature. A wide range of functional groups including alkene, ether, ketone, ester, nitrile, and nitro were tolerated under the optimum reaction conditions. Chemoselective reductions were also achieved not only between aromatic aldehyde, aromatic ketone, and epoxide but also between aliphatic aldehyde and alkene.
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Affiliation(s)
- Jaeyoung Lee
- Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
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43
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Sonnenberg JF, Coombs N, Dube PA, Morris RH. Iron Nanoparticles Catalyzing the Asymmetric Transfer Hydrogenation of Ketones. J Am Chem Soc 2012; 134:5893-9. [DOI: 10.1021/ja211658t] [Citation(s) in RCA: 196] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jessica F. Sonnenberg
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, M5S 3H6, Canada
| | - Neil Coombs
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, M5S 3H6, Canada
| | - Paul A. Dube
- Brockhouse Institute
for Materials Research, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
| | - Robert H. Morris
- Department of Chemistry, University of Toronto, 80 St. George
Street, Toronto, Ontario, M5S 3H6, Canada
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44
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Mollica A, Genovese S, Pinnen F, Stefanucci A, Curini M, Epifano F. Ytterbium triflate catalysed Meerwein–Ponndorf–Verley (MPV) reduction. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2011.12.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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45
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Kawamura S, Kawabata T, Ishizuka K, Nakamura M. Iron-catalysed cross-coupling of halohydrins with aryl aluminium reagents: a protecting-group-free strategy attaining remarkable rate enhancement and diastereoinduction. Chem Commun (Camb) 2012; 48:9376-8. [DOI: 10.1039/c2cc34185a] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Seifert A, Rohr K, Mahrwald R. Acid-catalyzed aldol-Meerwein–Ponndorf–Verley-etherification reactions—access to defined configured quaternary stereogenic centers. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.11.069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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47
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MPV reduction using AlIII–calix[4]arene Lewis acid catalysts: Molecular-level insight into effect of ketone binding. J Catal 2011. [DOI: 10.1016/j.jcat.2011.08.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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48
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UYSAL BURCU, OKSAL BIRSENS. A new method for the chemoselective reduction of aldehydes and ketones using boron tri-isopropoxide, B(O i Pr)3: Comparison with boron tri-ethoxide, B(OEt)3. J CHEM SCI 2011. [DOI: 10.1007/s12039-011-0116-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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49
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Hounjet LJ, Ferguson MJ, Cowie M. Phosphine–Amido Complexes of Ruthenium and Mechanistic Implications for Ketone Transfer Hydrogenation Catalysis. Organometallics 2011. [DOI: 10.1021/om2004173] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lindsay J. Hounjet
- Department of Chemistry and ‡X-ray Crystallography Laboratory, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
| | - Michael J. Ferguson
- Department of Chemistry and ‡X-ray Crystallography Laboratory, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
| | - Martin Cowie
- Department of Chemistry and ‡X-ray Crystallography Laboratory, University of Alberta, Edmonton, Alberta, Canada T6G 2G2
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50
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