1
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Singh T, Chakraborty S. Molybdenum-catalyzed hydrogenation of carbon dioxide, bicarbonate, and inorganic carbonates to formates. Dalton Trans 2024; 53:10244-10249. [PMID: 38829152 DOI: 10.1039/d4dt00916a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Herein, we report the hydrogenation of carbon dioxide to sodium formate catalyzed by low-valent molybdenum phosphine complexes. The 1,3-bis(diphenylphosphino)propane (DPPP)-based Mo complex was found to be an efficient catalyst in the presence of NaOH affording formate with a TON of 975 at 130 °C in THF/H2O after 24 h utilizing 40 bar (CO2 : H2 = 10 : 30) pressure. The complex was also active in the hydrogenation of sodium bicarbonate and inorganic carbonates to the corresponding formates. Mechanistic investigation revealed that the reaction proceeded via an intermediate formato complex.
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Affiliation(s)
- Tushar Singh
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan, India.
| | - Subrata Chakraborty
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan, India.
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2
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Song H, Xiao Y, Wei J, Liu Y, Yang L, Bai P, Yang F, Yu K, Xu C, Cai X. Low-valent-tungsten catalysis enables hydroboration of esters and nitriles. Chem Commun (Camb) 2024; 60:5026-5029. [PMID: 38629636 DOI: 10.1039/d4cc00041b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
In the research presented herein, low-valent-tungsten-catalyzed hydroboration of esters and nitriles was investigated. Aromatic and aliphatic substrates were smoothly reduced to corresponding alcohol derivatives and N,N-diborylamines in the presence of W(CO)4(NCMe)2. Valuable derivatives were conveniently accessed by introducing a further functionalization process to crude hydroboration mixtures in one pot.
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Affiliation(s)
- Heng Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Yuting Xiao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Jingjing Wei
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Yuzan Liu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Liqing Yang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Pengtao Bai
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Fu Yang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Kai Yu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, P. R. China
| | - Chen Xu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
| | - Xingwei Cai
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, P. R. China.
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3
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Gholap SS, Dakhil AA, Chakraborty P, Dighe S, Rahman MM, Dutta I, Hengne A, Huang KW. Efficient and chemoselective imine synthesis catalyzed by a well-defined PN 3-manganese(II) pincer system. Chem Commun (Camb) 2024; 60:2617-2620. [PMID: 38351877 DOI: 10.1039/d3cc05892a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
The highly efficient reductive amination of aldehydes with ammonia (NH3) and hydrogen (H2) to form secondary imines is described, as well as the dehydrogenative homocoupling of benzyl amines. Using an air-stable, well-defined PN3-manganese(II) pincer complex as a catalyst precursor, various aldehydes are easily converted directly into secondary imines using NH3 as a nitrogen source under H2 in a one-pot reaction. Importantly, the same catalyst facilitates the dehydrogenative homocoupling of various benzylamines, exclusively forming imine products. These reactions are conducted under very mild conditions, without the addition of any additives, yielding excellent selectivities and high yields of secondary imines in a green manner by minimizing wastes.
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Affiliation(s)
- Sandeep Suryabhan Gholap
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
| | - Abdullah Al Dakhil
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh 11432-5701, Saudi Arabia
| | - Priyanka Chakraborty
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
| | - Shashikant Dighe
- Agency for Science, Technology and Research, Institute of Materials Research and Engineering and Institute of Sustainability for Chemicals, Energy and Environment, Singapore
| | - Mohammad Misbahur Rahman
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
| | - Indranil Dutta
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
| | - Amol Hengne
- Agency for Science, Technology and Research, Institute of Materials Research and Engineering and Institute of Sustainability for Chemicals, Energy and Environment, Singapore
| | - Kuo-Wei Huang
- KAUST Catalysis Center and Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
- Agency for Science, Technology and Research, Institute of Materials Research and Engineering and Institute of Sustainability for Chemicals, Energy and Environment, Singapore
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4
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Singh T, Atreya V, Jalwal S, Anand A, Chakraborty S. Advances in Group VI Metal-Catalyzed Homogeneous Hydrogenation and Dehydrogenation Reactions. Chem Asian J 2023; 18:e202300758. [PMID: 37815164 DOI: 10.1002/asia.202300758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/10/2023] [Accepted: 10/10/2023] [Indexed: 10/11/2023]
Abstract
Transition metal-catalyzed homogeneous hydrogenation and dehydrogenation reactions for attaining plethora of organic scaffolds have evolved as a key domain of research in academia and industry. These protocols are atom-economic, greener, in line with the goal of sustainability, eventually pave the way for numerous novel environmentally benign methodologies. Appealing progress has been achieved in the realm of homogeneous catalysis utilizing noble metals. Owing to their high cost, less abundance along with toxicity issues led the scientific community to search for sustainable alternatives. In this context, earth- abundant base metals have gained substantial attention culminating enormous progress in recent years, predominantly with pincer-type complexes of nickel, cobalt, iron, and manganese. In this regard, group VI chromium, molybdenum and tungsten complexes have been overlooked and remain underdeveloped despite their earth-abundance and bio-compatibility. This review delineates a comprehensive overview in the arena of homogeneously catalysed (de)hydrogenation reactions using group VI base metals chromium, molybdenum, and tungsten till date. Various reactions have been described; hydrogenation, transfer hydrogenation, dehydrogenation, acceptorless dehydrogenative coupling, hydrogen auto transfer, along with their scope and brief mechanistic insights.
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Affiliation(s)
- Tushar Singh
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan
| | - Vaishnavi Atreya
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan
| | - Sachin Jalwal
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan
| | - Aman Anand
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan
| | - Subrata Chakraborty
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan
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5
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Cai X, Shen Y, Li W, Zhan W, Zhang F, Xu C, Song H. Low-Valent Tungsten-Catalyzed Controllable Oxidative Dehydrogenative Coupling of Anilines. Org Lett 2023; 25:240-245. [PMID: 36573686 DOI: 10.1021/acs.orglett.2c04090] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Herein, we have developed an efficient tungsten-catalyzed homogeneous system for oxidative dehydrogenative coupling of anilines to selectively produce various azoaromatics and azoxyaromatics as well as 2-substituted indolone N-oxides by simply regulating the reaction solvent with peroxide as a terminal oxidant under additive-free conditions. These findings provide an experimental framework for exploring tungsten catalysis in organic synthesis and offer an efficient and convenient tactic for the selective oxidation of anilines.
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Affiliation(s)
- Xingwei Cai
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, People's Republic of China
| | - Yang Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, People's Republic of China
| | - Wei Li
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, People's Republic of China
| | - Wentao Zhan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, People's Republic of China
| | - Fanjun Zhang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273100, People's Republic of China
| | - Chen Xu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, People's Republic of China
| | - Heng Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, People's Republic of China.,Jiangsu Agrochem Laboratory Company, Limited, Changzhou, Jiangsu 213000, People's Republic of China
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6
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Das S, Maity J, Panda TK. Metal/Non-Metal Catalyzed Activation of Organic Nitriles. CHEM REC 2022; 22:e202200192. [PMID: 36126180 DOI: 10.1002/tcr.202200192] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Indexed: 12/15/2022]
Abstract
Nitrile activation is a prominent topic in recent developments in chemistry, especially in organic, inorganic, biological chemistry, as well as in the natural synthesis of products and in the pharmaceutical industry. The activation of nitriles using both metal and non-metal precursors has attracted several researchers, who are exploring newer ways to synthesize novel compounds. Nitrile activation can be achieved by combining various catalytic double hydroelementation reactions, such as hydrosilylation, hydroboration, and hydrogenation of organonitriles using silanes, pinacolborane, and other sources of hydrogen. These methodologies have garnered considerable attention since they are effective in the reduction of organonitriles, whose end products are extensively applied in synthetic organic chemistry. In this review, we summarize the development of selective hydroborylation, hydrosilylation, dihydroborysilylation, and hydrogenation of organonitriles, as well as their reaction mechanisms and the role of metal complexes in the catalytic cycles. This review article explains various synthetic methodologies applied toward the reduction of organonitriles into corresponding amines.
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Affiliation(s)
- Suman Das
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi - 502 285, Sangareddy, Telangana, India
| | - Jyotirmoy Maity
- Department of Chemistry, St. Stephen's College, University of Delhi, Delhi, 110 007, India
| | - Tarun K Panda
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi - 502 285, Sangareddy, Telangana, India
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7
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Li S, Lu J, Huang Z, Xu S, Zhang C, Wang F. Using HCOONH
4
as a Reductant and Nitrogen Source in Converting PhCHO to Imine via a Continuous Condensation‐Reduction Mechanism. ChemistrySelect 2022. [DOI: 10.1002/slct.202203482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Siqi Li
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian Liaoning 116024 China
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
- Zhipeng Huang University of Chinese Academy of Sciences Beijing 100049 China
| | - Jianmin Lu
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
| | - Zhipeng Huang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
- Zhipeng Huang University of Chinese Academy of Sciences Beijing 100049 China
| | - Shutao Xu
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
| | - Chaofeng Zhang
- College of Light Industry and Food Engineering Nanjing Forestry University Nanjing Jiangsu 210037 China
| | - Feng Wang
- State Key Laboratory of Catalysis Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian Liaoning 116023 China
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8
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Vielhaber T, Faust K, Bögl T, Schöfberger W, Topf C. A Triphos-Modified Tungsten Piano-Stool Complex for the Homogeneous (Conjugate) Hydrogenation of Ketones and Esters. J Catal 2022. [DOI: 10.1016/j.jcat.2022.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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9
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Jankins TC, Bell WC, Zhang Y, Qin ZY, Chen JS, Gembicky M, Liu P, Engle KM. Low-valent tungsten redox catalysis enables controlled isomerization and carbonylative functionalization of alkenes. Nat Chem 2022; 14:632-639. [PMID: 35655006 PMCID: PMC9674112 DOI: 10.1038/s41557-022-00951-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 04/14/2022] [Indexed: 11/08/2022]
Abstract
The controlled isomerization and functionalization of alkenes is a cornerstone achievement in organometallic catalysis that is now widely used throughout industry. In particular, the addition of CO and H2 to an alkene, also known as the oxo-process, is used in the production of linear aldehydes from crude alkene feedstocks. In these catalytic reactions, isomerization is governed by thermodynamics, giving rise to functionalization at the most stable alkylmetal species. Despite the ubiquitous industrial applications of tandem alkene isomerization/functionalization reactions, selective functionalization at internal positions has remained largely unexplored. Here we report that the simple W(0) precatalyst W(CO)6 catalyses the isomerization of alkenes to unactivated internal positions and subsequent hydrocarbonylation with CO. The six- to seven-coordinate geometry changes that are characteristic of the W(0)/W(II) redox cycle and the conformationally flexible directing group are key factors in allowing isomerization to take place over multiple positions and stop at a defined unactivated internal site that is primed for in situ functionalization.
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Affiliation(s)
- Tanner C Jankins
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
| | - William C Bell
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yu Zhang
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Zi-Yang Qin
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA
| | - Jason S Chen
- Automated Synthesis Facility, The Scripps Research Institute, La Jolla, CA, USA
| | - Milan Gembicky
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, La Jolla, CA, USA.
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10
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Rezaei Bazkiaei A, Findlater M, Gorden AEV. Applications of catalysis in hydroboration of imines, nitriles, and carbodiimides. Org Biomol Chem 2022; 20:3675-3702. [PMID: 35451449 DOI: 10.1039/d2ob00162d] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The catalytic hydroboration of imines, nitriles, and carbodiimides is a powerful method of preparing amines which are key synthetic intermediates in the synthesis of many value-added products. Imine hydroboration has perennially featured in notable reports while nitrile and carbodiimide hydroboration have gained attention recently. Initial developments in catalytic hydroboration of imines and nitriles employed precious metals and typically required harsh reaction conditions. More recent advances have shifted toward the use of base metal and main group element catalysis and milder reaction conditions. In this survey, we review metal and nonmetal catalyzed hydroboration of these unsaturated organic molecules and group them into three distinct categories: precious metals, base metals, and main group catalysts. The TON and TOF of imine hydroboration catalysts are reported and summarized with a brief overview of recent advances in the field. Mechanistic and kinetic studies of some of these protocols are also presented.
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Affiliation(s)
- Adineh Rezaei Bazkiaei
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, USA.
| | - Michael Findlater
- Department of Chemistry and Biochemistry, University of California Merced, Merced, California 95343, USA.
| | - Anne E V Gorden
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409, USA.
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11
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Saadati F, Griffin SE, Schafer LL. Guanidinate Early-Transition-Metal Complexes: Efficient and Selective Hydroaminoalkylation of Alkenes. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Fariba Saadati
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
- Department of Chemistry, Faculty of Science, University of Zanjan, P.O. Box 45371-38791, Zanjan M9PX+FX7, Iran
| | - Samuel E. Griffin
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
| | - Laurel L. Schafer
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia, Canada V6T 1Z1
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12
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Song H, Shen Y, Zhou H, Ding D, Yang F, Wang Y, Xu C, Cai X. Light-Promoted Low-Valent-Tungsten-Catalyzed Ambient Temperature Amination of Boronic Acids with Nitroaromatics. J Org Chem 2022; 87:5303-5314. [PMID: 35362972 DOI: 10.1021/acs.joc.2c00138] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Triggering C-N bond formation with nitroaromatics and boronic acids at mild conditions is highly desirable, since most prior works were carried out under harsh conditions and sometimes suffered from poor chemo- or regioselectivity. Herein, a low-valent-tungsten-catalyzed reaction that enables the ambient temperature amination of boronic acids with nitroaromatics is disclosed. With readily available W(CO)6 as a precatalyst under external-photosensitizer-free conditions, nitroaromatics smoothly undergo C-N coupling reactions with their boronic acid partners, delivering structurally diverse secondary amines in good yields (>50 examples, yields up to 96%). This methodology is both scalable and highly chemoselective and engages both aliphatic and aromatic boronic acid partners. The catalysis is initiated by the deoxygenation of nitroaromatics by a trans-[W(CO)4(PPh3)2] (trans-W, PPh3 = triphenylphosphine) complex, which forms in situ via ligand replacement.
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Affiliation(s)
- Heng Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Yang Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Hu Zhou
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Danli Ding
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Fu Yang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Yemei Wang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Chen Xu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Xingwei Cai
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
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13
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Both NF, Spannenberg A, Junge K, Beller M. Low-Valent Molybdenum PNP Pincer Complexes as Catalysts for the Semihydrogenation of Alkynes. Organometallics 2022; 41:1797-1805. [PMID: 36156902 PMCID: PMC9490815 DOI: 10.1021/acs.organomet.1c00709] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Low-valent molybdenum
PNP pincer complexes were studied as catalysts
for the semihydrogenation of alkynes. For that purpose, tBu-substituted PNP complexes PNPtBuMo(CO)2 (6a) and PNPtBuMo(CO)3 (6c) and the NNP complex NNPiPrMo(CO)2(PPh3) ((rac)-7) were synthesized and characterized. By utilizing
the cyclohexyl-substituted complex PNPCyMo(CO)2(CH3CN) (5a), several diphenylacetylene
derivatives are transformed to the corresponding (Z)-alkenes with good to very good diastereoselectivities (up to 91:9).
Mechanistic experiments indicate an outer-sphere mechanism including
metal–ligand cooperativity.
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Affiliation(s)
- Niklas F. Both
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
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14
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Yamada T, Park K, Furugen C, Jiang J, Shimizu E, Ito N, Sajiki H. Highly Selective Hydrogenative Conversion of Nitriles into Tertiary, Secondary, and Primary Amines under Flow Reaction Conditions. CHEMSUSCHEM 2022; 15:e202102138. [PMID: 34779573 DOI: 10.1002/cssc.202102138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Flow reaction methods have been developed to selectively synthesize tertiary, secondary, and primary amines depending on heterogeneous platinum-group metal species under catalytic hydrogenation conditions using nitriles as starting materials. A 10 % Pd/C-packed catalyst cartridge affords symmetrically substituted tertiary amines in good to excellent yields. A 10 % Rh/C-packed catalyst cartridge enables the divergent synthesis of secondary and primary amines, with either cyclohexane or acetic acid as a solvent, respectively. Reaction parameters, such as the metal catalyst, solvent, and reaction temperature, and continuous-flow conditions, such as flow direction and second support of the catalyst in a catalyst cartridge, are quite important for controlling the reaction between the hydrogenation of nitriles and nucleophilic attack of in situ-generated amines to imine intermediates. A wide variety of aliphatic and aromatic nitriles could be highly selectively transformed into the corresponding tertiary, secondary, and primary amines by simply changing the metal species of the catalyst or flow parameters. Furthermore, the selective continuous-flow methodologies are applied over at least 72 h to afford three different types of amines in 80-99 % yield without decrease in catalytic activities.
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Affiliation(s)
- Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Kwihwan Park
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Chikara Furugen
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Jing Jiang
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Eisho Shimizu
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Naoya Ito
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 5011196, Japan
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15
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Wang Z, Liu Y, Mingyang H, Ma N, Lyu Q, Liu Q, Sun WH. Efficient transfer hydrogenation of ketones by molybdenum complexes through comprehensively verifying auxiliary ligands. Dalton Trans 2022; 51:10983-10991. [DOI: 10.1039/d2dt01177h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molybdenum complexes, ligated with N1,N1-dialkyl-N2-(5,6,7,8-tetrahydroquinolin-8-yl)ethane-1,2-diamines along with auxiliary ligands, provide various structural features as [NNH/NNHN]Mo(CO)4/3 (Mo1 – Mo3), [NNHN]Mo(CO)2Br] (Mo4 – Mo5), [NNH]Mo(CO)(η3-C3H5)Br](Mo6) and [NNHN/S] Mo(CO)(PPh3)2] (Mo7 – Mo8). All...
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16
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Vielhaber T, Heizinger C, Topf C. Homogeneous pressure hydrogenation of quinolines effected by a bench-stable tungsten-based pre-catalyst. J Catal 2021. [DOI: 10.1016/j.jcat.2021.10.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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17
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Zhang S, Duan YN, Qian Y, Tang W, Zhang R, Wen J, Zhang X. Cobalt-Catalyzed Hydrogenative Transformation of Nitriles. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03461] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shaoke Zhang
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Ya-Nan Duan
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, China
| | - Yu Qian
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Wenyue Tang
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Runtong Zhang
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Jialin Wen
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Xumu Zhang
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
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Liu J, Li W, Li Y, Liu Y, Ke Z. Selective C-alkylation Between Alcohols Catalyzed by N-Heterocyclic Carbene Molybdenum. Chem Asian J 2021; 16:3124-3128. [PMID: 34529352 DOI: 10.1002/asia.202100959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Indexed: 01/26/2023]
Abstract
The first implementation of a molybdenum complex with an easily accessible bis-N-heterocyclic carbene ligand to catalyze β-alkylation of secondary alcohols via borrowing-hydrogen (BH) strategy using alcohols as alkylating agents is reported. Remarkably high activity, excellent selectivity, and broad substrate scope compatibility with advantages of catalyst usage low to 0.5 mol%, a catalytic amount of NaOH as the base, and H2 O as the by-product are demonstrated in this green and step-economical protocol. Mechanistic studies indicate a plausible outer-sphere mechanism in which the alcohol dehydrogenation is the rate-determining step.
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Affiliation(s)
- Jiahao Liu
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Weikang Li
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yinwu Li
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yan Liu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Zhuofeng Ke
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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Hydrogenative coupling of nitriles with diamines to benzimidazoles using lignin-derived Rh 2P catalyst. iScience 2021; 24:103045. [PMID: 34585110 PMCID: PMC8450259 DOI: 10.1016/j.isci.2021.103045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 07/21/2021] [Accepted: 08/24/2021] [Indexed: 12/01/2022] Open
Abstract
Nitrile (C≡N bond) activation for direct organic synthesis has been less explored so far due to a high redox potential of nitrile and its low dissociation energy of C−CN bond. Herein, we demonstrate a direct reductive coupling of nitriles and 1,2-phenylenediamines to yield various benzimidazoles in excellent yields (95%–99%) by using rhodium phosphide (Rh2P) catalyst supported on lignin-derived carbon (LC) using H2 (or hydrazine hydrate) as a hydrogen source. The high catalytic performance of Rh2P/LC is attributed to enhanced charge transfer to Rh and strong P−Rh interactions. Our isotope trace experiment confirms the presence of H/D exchange between H2 and the inert –CD3 group of CD3CN via an intramolecular D-shift. Reusability of Rh2P/LC is further demonstrated by a seven-time recycling without evident loss of activity. This research thus highlights a great potential in organic transformation with nitrile as a synthetic building block. Nitrile was developed as synthetic building block for organic synthesis Reductive coupling of nitriles to 1,2-phenylenediamines yielded benzimidazoles Strong P−Rh interaction and charge transfer to Rh enhanced Rh2P activity H/D exchange between H2 and –CD3 in CD3CN occurred via intramolecular D-shift
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20
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Chemoselective transfer hydrogenation of nitriles to secondary amines with nickel(II) catalysts. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Li H, Lupp D, Das PK, Yang L, Gonçalves TP, Huang MH, El Hajoui M, Liang LC, Huang KW. Redox-Neutral Imination of Alcohol with Azide: A Sustainable Alternative to the Staudinger/Aza-Wittig Reaction. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00379] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Huaifeng Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Daniel Lupp
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Pradip K. Das
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Li Yang
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Théo P. Gonçalves
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Mei-Hui Huang
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Marwa El Hajoui
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Lan-Chang Liang
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Department of Medicinal and Applied Chemistry and School of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Kuo-Wei Huang
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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22
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Sarkar K, Das K, Kundu A, Adhikari D, Maji B. Phosphine-Free Manganese Catalyst Enables Selective Transfer Hydrogenation of Nitriles to Primary and Secondary Amines Using Ammonia–Borane. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05406] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Koushik Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, India
| | - Kuhali Das
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, India
| | - Abhishek Kundu
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, SAS Nagar-140306, India
| | - Debashis Adhikari
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, SAS Nagar-140306, India
| | - Biplab Maji
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur-741246, India
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23
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Samaraj E, Balaraman E, Manickam S. Functional POM-catalyst for selective oxidative dehydrogenative couplings under aerobic conditions. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111396] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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24
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Huo RP, Zhang X, Zhang CF, Qin HH, Wang RX. A theoretical investigation of iron-catalyzed selective hydrogenation of nitriles to secondary imines. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2020.138130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Vielhaber T, Faust K, Topf C. Group 6 Metal Carbonyl Complexes Supported by a Bidentate PN Ligand: Syntheses, Characterization, and Catalytic Hydrogenation Activity. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00612] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Thomas Vielhaber
- Institute of Catalysis (INCA), Johannes Kepler University (JKU), 4040 Linz, Austria
| | - Kirill Faust
- Institute of Catalysis (INCA), Johannes Kepler University (JKU), 4040 Linz, Austria
| | - Christoph Topf
- Institute of Catalysis (INCA), Johannes Kepler University (JKU), 4040 Linz, Austria
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26
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Leischner T, Spannenberg A, Junge K, Beller M. Synthesis of Molybdenum Pincer Complexes and Their Application in the Catalytic Hydrogenation of Nitriles. ChemCatChem 2020. [DOI: 10.1002/cctc.202000736] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Thomas Leischner
- Leibniz Institute for Catalysis Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Anke Spannenberg
- Leibniz Institute for Catalysis Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Kathrin Junge
- Leibniz Institute for Catalysis Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz Institute for Catalysis Albert-Einstein-Straße 29a 18059 Rostock Germany
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27
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Babón JC, Esteruelas MA, López AM, Oñate E. Osmium-Promoted Transformation of Alkyl Nitriles to Secondary Aliphatic Amines: Scope and Mechanism. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00236] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Juan C. Babón
- Departamento de Quı́mica Inorgánica, Instituto de Sı́ntesis Quı́mica y Catálisis Homogénea (ISQCH), Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de Quı́mica Inorgánica, Instituto de Sı́ntesis Quı́mica y Catálisis Homogénea (ISQCH), Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Ana M. López
- Departamento de Quı́mica Inorgánica, Instituto de Sı́ntesis Quı́mica y Catálisis Homogénea (ISQCH), Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Quı́mica Inorgánica, Instituto de Sı́ntesis Quı́mica y Catálisis Homogénea (ISQCH), Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
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28
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Catalytic Conversion of Nitriles by Metal Pincer Complexes. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_62] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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29
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Hydrogenation Reactions Catalyzed by PNP-Type Complexes Featuring a HN(CH2CH2PR2)2 Ligand. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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30
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Leischner T, Artús Suarez L, Spannenberg A, Junge K, Nova A, Beller M. Highly selective hydrogenation of amides catalysed by a molybdenum pincer complex: scope and mechanism. Chem Sci 2019; 10:10566-10576. [PMID: 32110342 PMCID: PMC7020655 DOI: 10.1039/c9sc03453f] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 09/21/2019] [Indexed: 12/27/2022] Open
Abstract
A series of molybdenum pincer complexes has been shown for the first time to be active in the catalytic hydrogenation of amides.
A series of molybdenum pincer complexes has been shown for the first time to be active in the catalytic hydrogenation of amides. Among the tested catalysts, Mo-1a proved to be particularly well suited for the selective C–N hydrogenolysis of N-methylated formanilides. Notably, high chemoselectivity was observed in the presence of certain reducible groups including even other amides. The general catalytic performance as well as selectivity issues could be rationalized taking an anionic Mo(0) as the active species. The interplay between the amide C
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O reduction and the catalyst poisoning by primary amides accounts for the selective hydrogenation of N-methylated formanilides. The catalyst resting state was found to be a Mo–alkoxo complex formed by reaction with the alcohol product. This species plays two opposed roles – it facilitates the protolytic cleavage of the C–N bond but it encumbers the activation of hydrogen.
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Affiliation(s)
- Thomas Leischner
- Leibniz Institut für Katalyse e. V. , Albert-Einstein-Straße 29a , Rostock , 18059 , Germany .
| | - Lluis Artús Suarez
- Hylleraas Centre for Quantum Molecular Sciences , Department of Chemistry , University of Oslo , P.O. Box 1033, Blindern , N-0315 , Oslo , Norway .
| | - Anke Spannenberg
- Leibniz Institut für Katalyse e. V. , Albert-Einstein-Straße 29a , Rostock , 18059 , Germany .
| | - Kathrin Junge
- Leibniz Institut für Katalyse e. V. , Albert-Einstein-Straße 29a , Rostock , 18059 , Germany .
| | - Ainara Nova
- Hylleraas Centre for Quantum Molecular Sciences , Department of Chemistry , University of Oslo , P.O. Box 1033, Blindern , N-0315 , Oslo , Norway .
| | - Matthias Beller
- Leibniz Institut für Katalyse e. V. , Albert-Einstein-Straße 29a , Rostock , 18059 , Germany .
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31
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Huang M, Zou X, Liang L. Amido PNP complexes of iridium: Synthesis and catalytic olefin and alkyne hydrogenation. J CHIN CHEM SOC-TAIP 2019. [DOI: 10.1002/jccs.201900464] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Mei‐Hui Huang
- Department of ChemistryNational Sun Yat‐sen University Kaohsiung Taiwan
| | - Xue‐Ru Zou
- Department of ChemistryNational Sun Yat‐sen University Kaohsiung Taiwan
| | - Lan‐Chang Liang
- Department of ChemistryNational Sun Yat‐sen University Kaohsiung Taiwan
- Department of Medicinal and Applied ChemistryKaohsiung Medical University Kaohsiung Taiwan
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32
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Hou SF, Chen JY, Xue M, Jia M, Zhai X, Liao RZ, Tung CH, Wang W. Cooperative Molybdenum-Thiolate Reactivity for Transfer Hydrogenation of Nitriles. ACS Catal 2019. [DOI: 10.1021/acscatal.9b04455] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shu-Fen Hou
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan, 250100, China
| | - Jia-Yi Chen
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China
| | - Minghui Xue
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan, 250100, China
| | - Mengjing Jia
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan, 250100, China
| | - Xiaofang Zhai
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan, 250100, China
| | - Rong-Zhen Liao
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China
| | - Chen-Ho Tung
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan, 250100, China
| | - Wenguang Wang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan, 250100, China
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Peng Y, Fan YH, Li SY, Li B, Xue J, Deng QH. Iron-Catalyzed Nitrene Transfer Reaction of 4-Hydroxystilbenes with Aryl Azides: Synthesis of Imines via C═C Bond Cleavage. Org Lett 2019; 21:8389-8394. [PMID: 31588751 DOI: 10.1021/acs.orglett.9b03160] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
C═C bond breaking to access the C═N bond remains an underdeveloped area. A new protocol for C═C bond cleavage of alkenes under nonoxidative conditions to produce imines via an iron-catalyzed nitrene transfer reaction of 4-hydroxystilbenes with aryl azides is reported. The success of various sequential one-pot reactions reveals that the good compatibility of this method makes it very attractive for synthetic applications. On the basis of experimental observations, a plausible reaction mechanism is also proposed.
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Affiliation(s)
- Yi Peng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials , Shanghai Normal University , Shanghai 200234 , China
| | - Yan-Hui Fan
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials , Shanghai Normal University , Shanghai 200234 , China
| | - Si-Yuan Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials , Shanghai Normal University , Shanghai 200234 , China
| | - Bin Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials , Shanghai Normal University , Shanghai 200234 , China
| | - Jing Xue
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials , Shanghai Normal University , Shanghai 200234 , China
| | - Qing-Hai Deng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials , Shanghai Normal University , Shanghai 200234 , China
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Maltais R, Poirier D. Development of a Gram-Scale Synthesis of PBRM, an Irreversible Inhibitor of 17β-Hydroxysteroid Dehydrogenase Type 1. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.8b00402] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- René Maltais
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU de Québec—Research Center (CHUL, T4-42), 2705 Laurier Boulevard, Québec, Québec G1V 4G2, Canada
| | - Donald Poirier
- Laboratory of Medicinal Chemistry, Endocrinology and Nephrology Unit, CHU de Québec—Research Center (CHUL, T4-42), 2705 Laurier Boulevard, Québec, Québec G1V 4G2, Canada
- Department of Molecular Medicine, Faculty of Medicine, Université Laval, Québec, Québec G1V 0A6, Canada
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35
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Sharma DM, Punji B. Selective Synthesis of Secondary Amines from Nitriles by a User‐Friendly Cobalt Catalyst. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900586] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Dipesh M. Sharma
- Organometallic Synthesis and Catalysis Group, Chemical Engineering Division CSIR-National Chemical Laboratory (CSIR-NCL) Dr. Homi Bhabha Road Pune 411 008 India
- Academy of Scientific and Innovative Research (AcSIR) CSIR-NCL Pune 411 008 India
| | - Benudhar Punji
- Organometallic Synthesis and Catalysis Group, Chemical Engineering Division CSIR-National Chemical Laboratory (CSIR-NCL) Dr. Homi Bhabha Road Pune 411 008 India
- Academy of Scientific and Innovative Research (AcSIR) CSIR-NCL Pune 411 008 India
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Babón JC, Esteruelas MA, Fernández I, López AM, Oñate E. Reduction of Benzonitriles via Osmium-Azavinylidene Intermediates Bearing Nucleophilic and Electrophilic Centers. Inorg Chem 2019; 58:8673-8684. [PMID: 31247858 DOI: 10.1021/acs.inorgchem.9b01013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The reduction of the N≡C bond of benzonitriles promoted by OsH6(PiPr3)2 (1) has been studied. Complex 1 releases a H2 molecule and coordinates 2,6-dimethylbenzonitrile to afford the tetrahydride OsH4{κ1- N-(N≡CC6H3Me2)}(PiPr3)2 (2), which is thermally stable toward the insertion of the nitrile into one of the Os-H bonds. In contrast to 2,6-dimethylbenzonitrile, benzonitrile and 2-methylbenzonitrile undergo insertion, via Os(η2-N≡CR) intermediates, to give the azavinylidene derivatives OsH3(═N═CC6H4R)(PiPr3)2 [R = H (3) or Me (4)]. The analysis by means of computational tools (EDA-NOCV) of the bonding situation in these compounds suggests that the donor-acceptor nature of the osmium azavinylidene bond dominates over the mixed electron-sharing/donor-acceptor and pure electron-sharing bonding modes. The N atom is strongly nucleophilic, whereas one of the hydrides is electrophilic. In spite of the different nature of these centers, the migration of the latter to the N atom is kinetically prevented. However, the use of water as a proton shuttle allows hydride migration, as a consequence of a significant decrease in the activation barrier. The resulting phenylaldimine intermediates evolve by means of orthometalation to give OsH3{κ2- N, C-(NH═CHC6H3R)}(PiPr3)2 [R = H (5) or Me (6)]. The presence of electrophilic and nucleophilic centers in 3 confers upon it the ability to activate σ-bonds, including H2 and pinacolborane (HBpin). The reaction with the latter gives OsH3{κ2- N, C-[N(Bpin)═CHC6H4]}(PiPr3)2 (7).
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Affiliation(s)
- Juan C Babón
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universidad de Zaragoza-CSIC , 50009 Zaragoza , Spain
| | - Miguel A Esteruelas
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universidad de Zaragoza-CSIC , 50009 Zaragoza , Spain
| | - Israel Fernández
- Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universidad Complutense de Madrid , 28040 Madrid , Spain
| | - Ana M López
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universidad de Zaragoza-CSIC , 50009 Zaragoza , Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universidad de Zaragoza-CSIC , 50009 Zaragoza , Spain
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37
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Catalytic Reductive N‐Alkylations Using CO
2
and Carboxylic Acid Derivatives: Recent Progress and Developments. Angew Chem Int Ed Engl 2019; 58:12820-12838. [DOI: 10.1002/anie.201810121] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Indexed: 12/12/2022]
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38
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Cabrero‐Antonino JR, Adam R, Beller M. Katalytische reduktive N‐Alkylierungen unter Verwendung von CO
2
und Carbonsäurederivaten: Aktuelle Entwicklungen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201810121] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jose R. Cabrero‐Antonino
- Leibniz-Institut für Katalyse Homogeneous Catalysis Albert-Einstein-Straße 29a Rostock 18059 Deutschland
- Instituto de Tecnología Química, Universitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC) Avda. de los Naranjos s/n València 46022 Spanien
| | - Rosa Adam
- Leibniz-Institut für Katalyse Homogeneous Catalysis Albert-Einstein-Straße 29a Rostock 18059 Deutschland
- Instituto de Tecnología Química, Universitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC) Avda. de los Naranjos s/n València 46022 Spanien
| | - Matthias Beller
- Leibniz-Institut für Katalyse Homogeneous Catalysis Albert-Einstein-Straße 29a Rostock 18059 Deutschland
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39
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Islas RE, García JJ. Nickel-Catalyzed Hydrophosphonylation and Hydrogenation of Aromatic Nitriles Assisted by Lewis Acid. ChemCatChem 2019. [DOI: 10.1002/cctc.201801989] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Rosa E. Islas
- Facultad de Química; Universidad Nacional Autónoma de México; México D. F. 04510 México
| | - Juventino J. García
- Facultad de Química; Universidad Nacional Autónoma de México; México D. F. 04510 México
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40
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Bifunctional aliphatic PNP pincer catalysts for hydrogenation: Mechanisms and scope. ADVANCES IN INORGANIC CHEMISTRY 2019. [DOI: 10.1016/bs.adioch.2018.10.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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41
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Schneekönig J, Tannert B, Hornke H, Beller M, Junge K. Cobalt pincer complexes for catalytic reduction of nitriles to primary amines. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00225a] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
An efficient cobalt pincer type complex catalyzes the hydrogenation of nitriles to amines under mild conditions with high yields.
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Affiliation(s)
- Jacob Schneekönig
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Bianca Tannert
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Helen Hornke
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock
- 18059 Rostock
- Germany
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42
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Shaikh MN. Pd nanoparticles on green support as dip-catalyst: a facile transfer hydrogenation of olefins and N-heteroarenes in water. RSC Adv 2019; 9:28199-28206. [PMID: 35530451 PMCID: PMC9071050 DOI: 10.1039/c9ra06285h] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 08/26/2019] [Indexed: 01/17/2023] Open
Abstract
Chemo- and regioselective hydrogenation methods using highly green sources, particularly from metal nanoparticles on plant stem as support and water, is an intensive research area, which is highly relevant to the development of green chemistry and technology in the 21st century. Here, the synthesis and activity of a heterogeneous catalytic system (called “dip-catalyst”) for the transfer hydrogenation of a series of styrenyl, unfunctionalized olefins, quinoline and other N-heteroarenes, are presented. It consists of Pd nanoparticles (15–20 nm) anchored on bio-processed jute plant (Corchorus genus) stem as the support. Pd nanoparticles were decorated on the green support (GS) jute stem by the in situ reduction of K2PdCl4 in aqueous medium at 70 °C, using formic acid as the reductant. The Pd@GS was characterized using SEM, EDS, XRD, FTIR, XPS and TEM. Elemental mapping revealed uniform distribution of Pd on the cellulose matrix of the jute stem. The catalyst was successfully applied to the chemoselective transfer hydrogenation of numerous styrenyl, unfunctionalized olefins. Its high functional group tolerance was investigated during the olefins hydrogenation in water. Furthermore, Pd@GS was capable of quantitative hydrogenation to selectively produce 1,2,3,4-tetrahydroquinoline (THQ) in water using stoichiometric amounts of tetrahydroxydiboron (THDB) at 60 °C with turn over frequency (TOF) 4938 h−1. This system is stable in water and displays excellent recyclability; it could be used for 32 consecutive cycles, without losing its original crystallinity or requiring replenishment. A dip catalyst consisting of Pd nanoparticles immobilized on the surface of thin slices of jute-stem was fabricated. Its versatility as a hydrogen transfer agent for styrenyl, cyclic and unfunctionalized olefins and N-heterocycles was investigated.![]()
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Affiliation(s)
- M. Nasiruzzaman Shaikh
- Center of Research Excellence in Nanotechnology (CENT)
- King Fahd University of Petroleum and Minerals (KFUPM)
- Dhahran
- Saudi Arabia
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43
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Li H, Al-Dakhil A, Lupp D, Gholap SS, Lai Z, Liang LC, Huang KW. Cobalt-Catalyzed Selective Hydrogenation of Nitriles to Secondary Imines. Org Lett 2018; 20:6430-6435. [DOI: 10.1021/acs.orglett.8b02744] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Huaifeng Li
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Abdullah Al-Dakhil
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Daniel Lupp
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Sandeep Suryabhan Gholap
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Zhiping Lai
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Lan-Chang Liang
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Kuo-Wei Huang
- Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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44
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Liu L, Liu Y, Ai Y, Li J, Zhou J, Fan Z, Bao H, Jiang R, Hu Z, Wang J, Jing K, Wang Y, Liang Q, Sun H. Pd-CuFe Catalyst for Transfer Hydrogenation of Nitriles: Controllable Selectivity to Primary Amines and Secondary Amines. iScience 2018; 8:61-73. [PMID: 30286395 PMCID: PMC6171052 DOI: 10.1016/j.isci.2018.09.010] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 09/01/2018] [Accepted: 09/12/2018] [Indexed: 11/23/2022] Open
Abstract
A multicomponent nanocatalyst system was fabricated for the transfer hydrogenation of nitrile compounds. This catalyst system contains palladium, copper, and iron, which are supported on the magnetite nanospheres, and the loading of palladium could be at the parts per million level. Palladium and copper contribute to the transformation of nitrile, and the product distribution highly depends on the alloying of Fe to Cu. The nitriles could be converted to primary amine by the Pd-Cu catalyst in the absence of Fe, whereas in the presence of Fe the products are secondary amines with high selectivity. This could be attributed to the electronic modulation of iron to copper. A variety of nitriles have been transformed to the corresponding primary or secondary amines with high selectivity, and the TOF reaches 2,929 hr−1 for Pd. Furthermore, the catalyst could be recycled by an external magnetic field and reused five times without severe activity loss. The novel transfer hydrogenation of nitriles to primary or secondary amine The dosage of Pd can be reduced to 139 ppm with a TOF of 3,597 hr−1 The selectivity of products can be easily adjusted by electronic modulation
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Affiliation(s)
- Lei Liu
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China; State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, People's Republic of China
| | - Yuhong Liu
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Yongjian Ai
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China
| | - Jifan Li
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Junjie Zhou
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Zhibo Fan
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Hongjie Bao
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Ruihang Jiang
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Zenan Hu
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Jingting Wang
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Ke Jing
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China
| | - Yue Wang
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, People's Republic of China
| | - Qionglin Liang
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, People's Republic of China.
| | - Hongbin Sun
- Department of Chemistry, Northeastern University, Shenyang 110819, People's Republic of China.
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45
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Leischner T, Spannenberg A, Junge K, Beller M. Molecular Defined Molybdenum–Pincer Complexes and Their Application in Catalytic Hydrogenations. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00410] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thomas Leischner
- Leibniz Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Anke Spannenberg
- Leibniz Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Kathrin Junge
- Leibniz Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Matthias Beller
- Leibniz Institut für Katalyse e.V. an der Universität Rostock, Albert-Einstein-Straße 29a, 18059 Rostock, Germany
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46
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Affiliation(s)
- Huiguang Dai
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
| | - Hairong Guan
- Department of Chemistry, University of Cincinnati, P.O. Box 210172, Cincinnati, Ohio 45221-0172, United States
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47
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Nishida Y, Chaudhari C, Imatome H, Sato K, Nagaoka K. Selective Hydrogenation of Nitriles to Secondary Imines over Rh-PVP Catalyst under Mild Conditions. CHEM LETT 2018. [DOI: 10.1246/cl.180349] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yoshihide Nishida
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Dannoharu, Oita 870-1192, Japan
| | - Chandan Chaudhari
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Dannoharu, Oita 870-1192, Japan
| | - Hirotaka Imatome
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Dannoharu, Oita 870-1192, Japan
| | - Katsutoshi Sato
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Dannoharu, Oita 870-1192, Japan
- Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, 1-30 Goryo-Ohara, Nishikyo-ku, Kyoto 615-8245, Japan
| | - Katsutoshi Nagaoka
- Department of Integrated Science and Technology, Faculty of Science and Technology, Oita University, 700 Dannoharu, Oita 870-1192, Japan
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48
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Azizi K, Madsen R. Molybdenum-Catalyzed Dehydrogenative Synthesis of Imines from Alcohols and Amines. ChemCatChem 2018. [DOI: 10.1002/cctc.201800677] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Kobra Azizi
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
| | - Robert Madsen
- Department of Chemistry; Technical University of Denmark; 2800 Kgs. Lyngby Denmark
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49
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Valdés H, García-Eleno MA, Canseco-Gonzalez D, Morales-Morales D. Recent Advances in Catalysis with Transition-Metal Pincer Compounds. ChemCatChem 2018. [DOI: 10.1002/cctc.201702019] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Hugo Valdés
- Instituto de Química; Universidad Nacional Autónoma de México; Circuito Exterior s/n, Ciudad Universitaria, Coyoacán 04510 Ciudad de México México
| | - Marco A. García-Eleno
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM; Universidad Autónoma del Estado de México; Carretera Toluca-Atlacomulco Km 14.5 Toluca, Estado de México 50200 México
| | - Daniel Canseco-Gonzalez
- CONACYT-Laboratorio Nacional de Investigación y Servicio, Agroalimentario y Forestal; Universidad Autónoma Chapingo; Texcoco de Mora México
| | - David Morales-Morales
- Instituto de Química; Universidad Nacional Autónoma de México; Circuito Exterior s/n, Ciudad Universitaria, Coyoacán 04510 Ciudad de México México
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50
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Yoshimura M, Komatsu A, Niimura M, Takagi Y, Takahashi T, Ueda S, Ichikawa T, Kobayashi Y, Okami H, Hattori T, Sawama Y, Monguchi Y, Sajiki H. Selective Synthesis of Primary Amines from Nitriles under Hydrogenation Conditions. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800102] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Masatoshi Yoshimura
- Catalysts Development Center, N.E. Chemcat Corporation; 678 Ipponmatsu Numazu 410-0314 Japan
| | - Akira Komatsu
- Catalysts Development Center, N.E. Chemcat Corporation; 678 Ipponmatsu Numazu 410-0314 Japan
| | - Masaru Niimura
- Catalysts Development Center, N.E. Chemcat Corporation; 678 Ipponmatsu Numazu 410-0314 Japan
| | - Yukio Takagi
- Catalysts Development Center, N.E. Chemcat Corporation; 678 Ipponmatsu Numazu 410-0314 Japan
| | - Tohru Takahashi
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Shun Ueda
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Tomohiro Ichikawa
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yutaka Kobayashi
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Hiroki Okami
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Tomohiro Hattori
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
- Current address: Molecular Catalyst Research Center; Chubu University; 1200 Matsumoto-cho Kasugai 487-8501 Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
- Current address: Laboratory of Organic Chemistry; Daiichi University of Pharmacy; 22-1 Tamagawa-cho Minami-ku, Fukuoka 815-8511 Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
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