1
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Hara Y. Search for natural products from actinomycetes of the genus Nocardia. J Nat Med 2024; 78:828-837. [PMID: 39093356 PMCID: PMC11364655 DOI: 10.1007/s11418-024-01833-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 07/18/2024] [Indexed: 08/04/2024]
Abstract
The genus Nocardia are gram-positive bacteria, many of which possess pathogenicity and infect human lungs, skin, brain, and other organs. Since research on the genus Nocardia has not progressed as rapidly as that on the genus Streptomyces, the genus Nocardia is considered a useful undeveloped resource for exploring natural products. On the other hand, when the genus Nocardia infects the human body, the strains are attacked by immune cells such as macrophages. Therefore, we suggested a new method for screening natural products by culturing the genus Nocardia in the presence of animal cells. In this review, we describe our recent results in searching for natural products from the genus Nocardia.
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Affiliation(s)
- Yasumasa Hara
- Faculty of Agriculture, Kagawa University, 2393 Ikenobe, Miki, Kagawa, 761-0795, Japan.
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2
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Liu X, Hee S, Sapir NG, Li A, Farkruzzaman S, Liu J, Chen Y. n-Bu 4NI/K 2S 2O 8-MEDIATED C-N COUPLING BETWEEN ALDEHYDES AND AMIDES. European J Org Chem 2024; 27:e202400067. [PMID: 39051029 PMCID: PMC11268833 DOI: 10.1002/ejoc.202400067] [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: 01/19/2024] [Indexed: 07/27/2024]
Abstract
n-Bu4NI/K2S2O8 mediated C-N coupling between aldehydes and amides is reported. A strong electronic effect is observed on the aromatic aldehyde substrates. The transformylation from aldehyde to amide takes place exclusively when an aromatic aldehyde bears electron-donating groups at either the ortho or para position of the formyl group, while the cross-dehydrogenative coupling dominates in the absence of these groups. Both the density functional theory (DFT) thermochemistry calculations and experimental data support the proposed single electron transfer mechanism with the formation of an acyl radical intermediate in the cross-dehydrogenative coupling. The n-Bu4NI/K2S2O8 mediated oxidative cyclization between 2-aminobenzamide and aldehydes is also reported, with four quinazolin-4(3H)-ones prepared in 65-99% yields.
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Affiliation(s)
- Xiaochen Liu
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Ave., New York, New York 10016, United States
| | - Samual Hee
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Ave., New York, New York 10016, United States
| | - Netanel G Sapir
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
| | - Alvin Li
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
| | - Syed Farkruzzaman
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
| | - Jianbo Liu
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Ave., New York, New York 10016, United States
| | - Yu Chen
- Department of Chemistry and Biochemistry, Queens College of the City University of New York, 65-30 Kissena Blvd., Queens, New York, 11367, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 Fifth Ave., New York, New York 10016, United States
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3
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Einsiedler M, Lamm K, Ohlrogge JF, Schuler S, Richter IJ, Lübken T, Gulder TAM. Product Selectivity in Baeyer-Villiger Monooxygenase-Catalyzed Bacterial Alkaloid Core Structure Maturation. J Am Chem Soc 2024; 146:16203-16212. [PMID: 38829274 PMCID: PMC11177316 DOI: 10.1021/jacs.4c04115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/23/2024] [Accepted: 05/24/2024] [Indexed: 06/05/2024]
Abstract
Baeyer-Villiger monooxygenases (BVMOs) play crucial roles in the core-structure modification of natural products. They catalyze lactone formation by selective oxygen insertion into a carbon-carbon bond adjacent to a carbonyl group (Baeyer-Villiger oxidation, BVO). The homologous bacterial BVMOs, BraC and PxaB, thereby process bicyclic dihydroindolizinone substrates originating from a bimodular nonribosomal peptide synthetase (BraB or PxaA). While both enzymes initially catalyze the formation of oxazepine-dione intermediates following the identical mechanism, the final natural product spectrum diverges. For the pathway involving BraC, the exclusive formation of lipocyclocarbamates, the brabantamides, was reported. The pathway utilizing PxaB solely produces pyrrolizidine alkaloids, the pyrrolizixenamides. Surprisingly, replacing pxaB within the pyrrolizixenamide biosynthetic pathway by braC does not change the product spectrum to brabantamides. Factors controlling this product selectivity have remained elusive. In this study, we set out to solve this puzzle by combining the total synthesis of crucial pathway intermediates and anticipated products with in-depth functional in vitro studies on both recombinant BVMOs. This work shows that the joint oxazepine-dione intermediate initially formed by both BVMOs leads to pyrrolizixenamides upon nonenzymatic hydrolysis, decarboxylative ring contraction, and dehydration. Brabantamide biosynthesis is enzyme-controlled, with BraC efficiently transforming all the accepted substrates into its cognate final product scaffold. PxaB, in contrast, shows only considerable activity toward brabantamide formation for the substrate analog with a natural brabantamide-type side chain structure, revealing substrate-controlled product selectivity.
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Affiliation(s)
- Manuel Einsiedler
- Helmholtz
Institute for Pharmaceutical Research Saarland (HIPS), Department
of Natural Product Biotechnology, Helmholtz
Centre for Infection Research (HZI) and Department of Pharmacy at
Saarland University, Campus E8.1, 66123 Saarbrücken, Germany
- Chair
of Technical Biochemistry, Technische Universität
Dresden, Bergstraße
66, 01069 Dresden, Germany
| | - Katharina Lamm
- Chair
of Technical Biochemistry, Technische Universität
Dresden, Bergstraße
66, 01069 Dresden, Germany
| | - Jonas F. Ohlrogge
- Helmholtz
Institute for Pharmaceutical Research Saarland (HIPS), Department
of Natural Product Biotechnology, Helmholtz
Centre for Infection Research (HZI) and Department of Pharmacy at
Saarland University, Campus E8.1, 66123 Saarbrücken, Germany
- Chair
of Technical Biochemistry, Technische Universität
Dresden, Bergstraße
66, 01069 Dresden, Germany
| | - Sebastian Schuler
- Chair
of Technical Biochemistry, Technische Universität
Dresden, Bergstraße
66, 01069 Dresden, Germany
| | - Ivana J. Richter
- Chair
of Technical Biochemistry, Technische Universität
Dresden, Bergstraße
66, 01069 Dresden, Germany
| | - Tilo Lübken
- Chair
of Organic Chemistry I, Technische Universität
Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Tobias A. M. Gulder
- Helmholtz
Institute for Pharmaceutical Research Saarland (HIPS), Department
of Natural Product Biotechnology, Helmholtz
Centre for Infection Research (HZI) and Department of Pharmacy at
Saarland University, Campus E8.1, 66123 Saarbrücken, Germany
- Chair
of Technical Biochemistry, Technische Universität
Dresden, Bergstraße
66, 01069 Dresden, Germany
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4
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Serre ARE, Jha V, Rivault A, Eriksson LA, Ribeiro Morais G, Falconer RA. Dess-Martin periodinane-mediated oxidation of the primary alcohol of cytidine into a carboxylic acid. Org Biomol Chem 2024; 22:3848-3853. [PMID: 38635230 DOI: 10.1039/d4ob00240g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
Herein the first example of conversion of alcohols into carboxylic acids by use of the Dess-Martin Periodinane (DMP), which is otherwise routinely employed for the conversion to aldehydes, is reported. This methodology will have significant potential utility in the synthesis of cytidine analogues and other related biologically important molecules.
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Affiliation(s)
- Alexandra R E Serre
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, UK.
| | - Vibhu Jha
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Göteborg, Sweden
| | - Adèle Rivault
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, UK.
| | - Leif A Eriksson
- Department of Chemistry and Molecular Biology, University of Gothenburg, 405 30 Göteborg, Sweden
| | - Goreti Ribeiro Morais
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, UK.
| | - Robert A Falconer
- Institute of Cancer Therapeutics, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, UK.
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5
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Ishibashi M. [Learning from Natural Products: Study on Actinomycetes of the Genus Nocardia]. YAKUGAKU ZASSHI 2024; 144:33-37. [PMID: 38171791 DOI: 10.1248/yakushi.23-00161-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
The genus Nocardia comprises gram-positive bacteria, most of which are pathogenic and cause opportunistic infections of the lungs, skin, and brain in humans. Based on a collaboration study with the Medical Mycology Research Center, Chiba University, we focused on Nocardia actinomycetes as a new natural-product resource. First, by culturing (monoculture) Nocardia in various media, we isolated a new aminocyclitol nabscessin A from Nocardia abscessus IFM10029T and a new γ-lactone inohanalactone from Nocardia inohanaensis IFM0092T. On the other hand, by imitating the state in which the genus Nocardia actinomycete infects animal cells and culturing the genus in the presence of animal cells (coculture), this genus was expected to produce new compounds through interactions with the animal cells. Using mouse macrophage-like cells (J774.1) as animal cells, a new pantothenic acid amide derivative and a cyclic peptide, nocarjamide, with Wnt signal activation activity were isolated from Nocardia tenerifensis IFM10554T strain.
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Affiliation(s)
- Masami Ishibashi
- School of Pharmacy at Fukuoka, International University of Health and Welfare
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6
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Bai F, Wang N, Bai Y, Ma X, Gu C, Dai B, Chen J. NHPI-Mediated Electrochemical α-Oxygenation of Amides to Benzimides. J Org Chem 2023. [PMID: 36866582 DOI: 10.1021/acs.joc.2c02700] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
This report describes a mild electrochemical α-oxygenation of a wide range of linear and cyclic benzamides mediated by N-hydroxyphthalimide (NHPI) in an undivided cell using O2 as the oxygen source and 2,4,6-trimethylpyridine perchlorate as an electrolyte. The radical scavenger experiment and the 18O labeling experiment were carried out, which indicated the involvement of a radical pathway and suggested O2 as an oxygen source in the imides, respectively.
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Affiliation(s)
- Fang Bai
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, China
| | - Ning Wang
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, China
| | - Yinshan Bai
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, China
| | - Xiaowei Ma
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, China
| | - Chengzhi Gu
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, China
| | - Bin Dai
- State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region 832000, China
| | - Jianpeng Chen
- Hami Shuoyuan Chemical Co., Ltd, Xinjiang Uygur Autonomous Region 832000, China
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7
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Oxygen transfer reaction of haloalkyl amides catalyzed by phenylboronic acid. Commun Chem 2023; 6:29. [PMID: 36765132 PMCID: PMC9918490 DOI: 10.1038/s42004-023-00824-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 01/30/2023] [Indexed: 02/12/2023] Open
Abstract
Nitrile derivatives are important building blocks in organic synthesis. Herein, we report the serendipitous discovery of an oxygen transfer reaction that produces hydroxyalkyl nitriles from the sequential dehydration and hydrolysis of haloalkyl amides. Product yields of up to 91% were achieved, and the phenylboronic acid was recovered as triphenylboroxine. The triphenylboroxine was reused as a catalyst without any loss of catalytic activity. A probable catalytic pathway was proposed based on control experiments and DFT calculations.
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8
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Umeno K, Onoue H, Konoki K, Torikai K, Yasuno Y, Satake M, Oishi T. Convergent Synthesis of the WXYZA’B’C’D’E’F’ Ring Segment of Maitotoxin. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20210397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Keitaro Umeno
- Deparrtment of Chemistry, Faculty and Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hisaaki Onoue
- Deparrtment of Chemistry, Faculty and Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Keiichi Konoki
- Graduate School of Agricultural Science, Tohoku University, 468-1 Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8572, Japan
| | - Kohei Torikai
- Deparrtment of Chemistry, Faculty and Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yoko Yasuno
- Deparrtment of Chemistry, Faculty and Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masayuki Satake
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Tohru Oishi
- Deparrtment of Chemistry, Faculty and Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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9
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Lian P, Li R, Wang L, Wan X, Xiang Z, Wan X. Photoredox aerobic oxidation of unreactive amine derivatives through LMCT excitation of copper dichloride. Org Chem Front 2022. [DOI: 10.1039/d2qo01032a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Taking advantage of the chlorine radical as a HAT catalyst, a versatile oxidation system for unreactive amines has been well established.
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Affiliation(s)
- Pengcheng Lian
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Ruyi Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Lili Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiao Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zixin Xiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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10
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Kuai CS, Wang LC, Xu JX, Wu XF. Palladium-Catalyzed Direct Dicarbonylation of Amines with Ethylene to Imides. Org Lett 2021; 24:451-456. [PMID: 34931845 DOI: 10.1021/acs.orglett.1c04142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The selective and effective conversion of low-cost and simple bulk chemicals into high value-added products through catalytic strategy has a wide range of practical significance. Here, a palladium-catalyzed method for the direct and efficient dicarbonylation of amines with basic industrial feedstock ethylene to imide has been developed. Moderate to excellent yields of the desired imides can be produced from readily available amines in a straightforward manner.
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Affiliation(s)
- Chang-Sheng Kuai
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
| | - Le-Cheng Wang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
| | - Jian-Xing Xu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China.,Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straβe 29a, 18059 Rostock, Germany
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11
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Chipman A. The Mechanistic Perspective of I
V
Iodoxolones. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Antony Chipman
- Discipline of Chemistry University of Tasmania Churchill Ave, Sandy Bay Tasmania 7005 Australia
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12
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Burdette-Trofimov MK, Armstrong BL, Heroux L, Doucet M, Sacci RL, Veith GM. Structure and dynamics of small polyimide oligomers with silicon as a function of aging. SOFT MATTER 2021; 17:7729-7742. [PMID: 34342318 DOI: 10.1039/d1sm00961c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The effect of UV curing and shearing on the structure and behavior of a polyimide (PI) binder as it disperses silicon particles in a battery electrode slurry was investigated. PI dispersant effectiveness increases with UV curing time, which controls the overall binder molecular weight. The shear force during electrode casting causes higher molecular weight PI to agglomerate, resulting in battery anodes with poorly dispersed Si particles that do not cycle well. It is hypothesized that when PI binder is added above a critical amount, it conformally coats the silicon particles and greatly impedes Li ion transport. There is an "interzonal region" for binder loading where it disperses silicon well and provides a coverage that facilitates Li transport through the anode material and into the silicon particles. These results have implications in ensuring reproducible electrode manufacturing and increasing cell performance by optimizing the PI structure and coordination with the silicon precursor.
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13
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Pollack SR, Dion A. Metal-Free Stereoselective Synthesis of ( E)- and ( Z)-N-Monosubstituted β-Aminoacrylates via Condensation Reactions of Carbamates. J Org Chem 2021; 86:11748-11762. [PMID: 34479408 DOI: 10.1021/acs.joc.1c01212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
N-monosubstituted β-aminoacrylates are building blocks, which have been used in the preparation of amino acids and pharmaceuticals. Two efficient, stereoselective methods of preparation, via acid- or base-promoted condensation reactions of carbamates, are described. The base-promoted reaction is E-selective, while acid catalysis can, through the choice of solvent, selectively form E or Z. The acid-catalyzed E-selective process proceeds through a crystallization obviating the need for chromatographic purification.
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Affiliation(s)
- Scott R Pollack
- Department of Process Research & Development, MRL, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Amélie Dion
- Department of Process Research & Development, MRL, Merck & Co., Inc., Rahway, New Jersey 07065, United States
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14
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Yang D, Zhou GZ, Zhang LL, Liu H. Co-Catalysis for Hydroamidocarbonylation of Alkynes with Amides over a Bifunctional Ligand-Based Pd Catalyst. Chem Asian J 2021; 16:2113-2117. [PMID: 34121355 DOI: 10.1002/asia.202100551] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/10/2021] [Indexed: 11/06/2022]
Abstract
The hydroamidocarbonylation of alkynes with amides allows for the synthesis of α,β-unsaturated imides with the advantage of 100% atomic economy. Herein, the bifunctional ligand (L1) containing a sulfonic acid group (-SO3 H) and phosphino-fragment enable the Pd catalyst to accomplish the hydroamidocarbonylation of alkynes with amides. It was found that, due to an intramolecular synergetic effect, the L1-based Pd-catalyst exhibited much higher activity than the individual mechanical mixtures of Xantphos-based Pd-complex and MeSO3 H. The formation and stability of Pd-H species were promoted by the presence of L1, which was verified by in situ high-pressure FT-IR analysis. Under the optimized conditions, the target products of the branched imides were obtained with yields in the range of 46-87% over the L1-based Pd-catalyst. Advantageously, as an ionic ligand, the L1-based Pd-catalyst could be recycled for 4 runs in the ionic liquid of [Bmim]NTf2 without any obvious activity loss and detectable metal leaching.
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Affiliation(s)
- Da Yang
- College of Science, China University of Petroleum, 66 West Changjiang Road, 266580, Qingdao, P. R. China
| | - Guang-Zhao Zhou
- College of Science, China University of Petroleum, 66 West Changjiang Road, 266580, Qingdao, P. R. China
| | - Long-Li Zhang
- College of Science, China University of Petroleum, 66 West Changjiang Road, 266580, Qingdao, P. R. China
| | - Huan Liu
- College of Science, China University of Petroleum, 66 West Changjiang Road, 266580, Qingdao, P. R. China
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15
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Li J, Yao J, Chen L, Zou D, Walsh PJ, Liang G. Chemoselective acylation of N-acylglutarimides with N-acylpyrroles and aryl esters under transition-metal-free conditions. Org Chem Front 2021. [DOI: 10.1039/d1qo00992c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The imide moiety is a well-known structural motif in bioactive compounds and a useful building block in a variety of processes.
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Affiliation(s)
- Jie Li
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China
- Department of Pharmacy, School of Medicine, Zhejiang University City College, No. 48, Huzhou Road, Hangzhou 310015, P. R. China
| | - Jiaqi Yao
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China
- Department of Pharmacy, School of Medicine, Zhejiang University City College, No. 48, Huzhou Road, Hangzhou 310015, P. R. China
| | - Lingfeng Chen
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China
| | - Dong Zou
- Department of Pharmacy, School of Medicine, Zhejiang University City College, No. 48, Huzhou Road, Hangzhou 310015, P. R. China
| | - Patrick J. Walsh
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323, USA
| | - Guang Liang
- School of Pharmaceutical Sciences, Hangzhou Medical College, Hangzhou, Zhejiang 311399, China
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16
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Kupwade RV. A Concise Review of Hypervalent Iodine with Special Reference to Dess- Martin Periodinane. MINI-REV ORG CHEM 2020. [DOI: 10.2174/1570193x17666200221124739] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The chemistry of hypervalent iodine compounds has been experiencing considerable
attention of organic chemists during the past few years. Hypervalent iodine reagents have found
ubiquitous applications in organic synthesis because of their mild and highly chemoselective
oxidizing properties, easy commercial availability, and environmental benign character. Along with
oxidation of alcohol, they have also shown to be useful in number of organic transformations which
include oxidative functionalization of carbonyl compounds, catalytic imidations, cyclization,
oxidative coupling of phenols, amines and related compounds. Among various hypervalent iodine
reagents, iodine-V compounds (λ5-iodanes) have attracted much attention in recent years. This
review narrates the particular advances in iodine (V) reagents with special emphasis on the use of
DMP in organic transformations.
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17
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Surgenor RR, Grote AC, McGeough C, Narayanan A, Wang W, Collier PN. Convergent and Stereoselective Method for the Synthesis of Acyclic α-Chloroenamides. J Org Chem 2020; 85:14158-14165. [PMID: 33045836 DOI: 10.1021/acs.joc.0c01370] [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 direct, stereocontrolled synthesis of acyclic α-chloroenamides is presented. Our methodology showed good yields and substrate scope. Mechanistic insights are provided that account for the high levels of stereoselectivity reported. Subsequent synthetic manipulation of the α-chloroenamides provides direct entry to polyfunctionalized acyclic enamides, compounds of wide use in organic chemistry and the pharmaceutical industry.
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Affiliation(s)
- Richard R Surgenor
- Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Andrea C Grote
- Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Catherine McGeough
- Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Arjun Narayanan
- Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Wenyu Wang
- Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, Massachusetts 02210, United States
| | - Philip N Collier
- Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, Massachusetts 02210, United States
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18
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Patil RD, Gupta MK. Methods of Nitriles Synthesis from Amines through Oxidative Dehydrogenation. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000635] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Rajendra D. Patil
- School of Chemical Sciences KCES's Moolji Jaitha College, Jalgaon (An Autonomous college affiliated to KBC, North Maharashtra University, Jalgaon) Maharashtra India- 425002
| | - Maneesh Kumar Gupta
- Department of Chemistry Hotilal Ramnath College (A constituent unit of Jai Prakash University), Amnour, Chapra Bihar 841401
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19
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Nitrile Synthesis by Aerobic Oxidation of Primary Amines and
in
situ
Generated Imines from Aldehydes and Ammonium Salt with Grubbs Catalyst. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000663] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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20
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Cervantes‐González J, Vosburg DA, Mora‐Rodriguez SE, Vázquez MA, Zepeda LG, Villegas Gómez C, Lagunas‐Rivera S. Anthraquinones: Versatile Organic Photocatalysts. ChemCatChem 2020. [DOI: 10.1002/cctc.202000376] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Javier Cervantes‐González
- Departamento de Química, DCNyE Universidad de Guanajuato Noria Alta s/n Guanajuato Gto. 36050 México
| | - David A. Vosburg
- Department of Chemistry Harvey Mudd College 301 Platt Blvd Claremont CA 91711-5901 USA
| | - Salma E. Mora‐Rodriguez
- Departamento de Química, DCNyE Universidad de Guanajuato Noria Alta s/n Guanajuato Gto. 36050 México
| | - Miguel A. Vázquez
- Departamento de Química, DCNyE Universidad de Guanajuato Noria Alta s/n Guanajuato Gto. 36050 México
| | - L. Gerardo Zepeda
- Departamento de Química Orgánica Escuela Nacional de Ciencias Biológicas Instituto Politécnico Nacional Prol de Carpio y Plan de Ayala Ciudad de México 11340 México
| | - Clarisa Villegas Gómez
- Departamento de Química, DCNyE Universidad de Guanajuato Noria Alta s/n Guanajuato Gto. 36050 México
| | - Selene Lagunas‐Rivera
- Cátedra-CONACyT. Departamento de Química Universidad de Guanajuato, DCNyE Noria Alta s/n Guanajuato Gto. 36050 México
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21
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Zhang X, Cui T, Zhao X, Liu P, Sun P. Electrochemical Difunctionalization of Alkenes by a Four‐Component Reaction Cascade Mumm Rearrangement: Rapid Access to Functionalized Imides. Angew Chem Int Ed Engl 2020; 59:3465-3469. [DOI: 10.1002/anie.201913332] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/22/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Xiaofeng Zhang
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Ting Cui
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Xin Zhao
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Ping Liu
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Peipei Sun
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
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22
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Zhang X, Cui T, Zhao X, Liu P, Sun P. Electrochemical Difunctionalization of Alkenes by a Four‐Component Reaction Cascade Mumm Rearrangement: Rapid Access to Functionalized Imides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913332] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xiaofeng Zhang
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Ting Cui
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Xin Zhao
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Ping Liu
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
| | - Peipei Sun
- School of Chemistry and Materials ScienceJiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution ControlJiangsu Collaborative Innovation Center of Biomedical Functional MaterialsNanjing Normal University Nanjing 210023 P. R. China
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23
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Razali MR, Batten SR. Metal selectivity for in-situ dehydrogenative cross-coupling of 2-hydroxymethylpyridine with small cyano anion. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.126928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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24
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Domingo R, van der Westhuyzen R, Hamann AR, Mostert KJ, Barnard L, Paquet T, Tjhin ET, Saliba KJ, van Otterlo WAL, Strauss E. Overcoming synthetic challenges in targeting coenzyme A biosynthesis with the antimicrobial natural product CJ-15,801. MEDCHEMCOMM 2019; 10:2118-2125. [PMID: 32206243 DOI: 10.1039/c9md00312f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 10/16/2019] [Indexed: 11/21/2022]
Abstract
The biosynthesis of the essential metabolic cofactor coenzyme A (CoA) has been receiving increasing attention as a new target that shows potential to counter the rising resistance to established antimicrobials. In particular, phosphopantothenoylcysteine synthetase (PPCS)-the second CoA biosynthesis enzyme that is found as part of the bifunctional CoaBC protein in bacteria, but is monofunctional in eukaryotes-has been validated as a target through extensive genetic knockdown studies in Mycobacterium tuberculosis. Moreover, it has been identified as the molecular target of the fungal natural product CJ-15,801 that shows selective activity against Staphylococcus aureus and the malaria parasite Plasmodium falciparum. As such, CJ-15,801 and 4'-phospho-CJ-15,801 (its metabolically active form) are excellent tool compounds for use in the development of new antimicrobial PPCS inhibitors. Unfortunately, further study and analysis of CJ-15,801 is currently being hampered by several unique challenges posed by its synthesis. In this study we describe how these challenges were overcome by using a robust palladium-catalyzed coupling to form the key N-acyl vinylogous carbamate moiety with retention of stereochemistry, and by extensive investigation of protecting groups suited to the labile functional group combinations contained in this molecule. We also demonstrate that using TBAF for deprotection causes undesired off-target effects related to the presence of residual tertiary ammonium salts. Finally, we provide a new method for the chemoenzymatic preparation of 4'-phospho-CJ-15,801 on multi-milligram scale, after showing that chemical synthesis of the molecule is not practical. Taken together, the results of this study advances our pursuit to discover new antimicrobials that specifically target CoA biosynthesis and/or utilization.
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Affiliation(s)
- Riyad Domingo
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
| | - Renier van der Westhuyzen
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
| | - Anton R Hamann
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
| | - Konrad J Mostert
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
| | - Leanne Barnard
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
| | - Tanya Paquet
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
| | - Erick T Tjhin
- Research School of Biology , The Australian National University , Canberra , ACT , Australia
| | - Kevin J Saliba
- Research School of Biology , The Australian National University , Canberra , ACT , Australia.,Medical School , The Australian National University , Canberra , ACT , Australia
| | - Willem A L van Otterlo
- Department of Chemistry and Polymer Science , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa
| | - Erick Strauss
- Department of Biochemistry , Stellenbosch University , Private Bag X1 , Matieland 7602 , South Africa .
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25
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Brandhofer T, Gini A, Stockerl S, Piekarski DG, García Mancheño O. Direct C–H Bond Imidation with Benzoyl Peroxide as a Mild Oxidant and a Reagent. J Org Chem 2019; 84:12992-13002. [DOI: 10.1021/acs.joc.9b01765] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Tobias Brandhofer
- Institute of Organic Chemistry, University of Münster, 48149 Münster, Germany
- Institute for Organic Chemistry, University of Regensburg, 93053 Regensburg, Germany
| | - Andrea Gini
- Institute for Organic Chemistry, University of Regensburg, 93053 Regensburg, Germany
| | - Sebastian Stockerl
- Institute of Organic Chemistry, University of Münster, 48149 Münster, Germany
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26
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Peng Y, Feng CT, Li YQ, Chen FX, Xu K. Exploring the ring-opening reactions of imidazo[1,5-a]quinolines for the synthesis of imides under photochemical conditions. Org Biomol Chem 2019; 17:6570-6573. [PMID: 31243406 DOI: 10.1039/c9ob01227c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ring-opening reaction of imidazo[1,5-a]quinolines under photoredox conditions has been described. With Eosin Y as the organophotoredox catalyst, synthetically useful and medicinally important imides were obtained in moderate to excellent yields under mild reaction conditions.
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Affiliation(s)
- Ya Peng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Cheng-Tao Feng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Yu-Qing Li
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Feng-Xiang Chen
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Kun Xu
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, School of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
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27
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Kim J, Golime G, Kim HY, Oh K. Copper(II)‐Catalyzed Aerobic Oxidation of Amines: Divergent Reaction Pathways by Solvent Control to Imines and Nitriles. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900302] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Jihyeon Kim
- Center for Metareceptome Research, College of PharmacyChung-Ang University 84 Heukseok-ro, Dongjak Seoul 06974 Republic of Korea
| | - Gangadhararao Golime
- Center for Metareceptome Research, College of PharmacyChung-Ang University 84 Heukseok-ro, Dongjak Seoul 06974 Republic of Korea
| | - Hun Young Kim
- Center for Metareceptome Research, College of PharmacyChung-Ang University 84 Heukseok-ro, Dongjak Seoul 06974 Republic of Korea
| | - Kyungsoo Oh
- Center for Metareceptome Research, College of PharmacyChung-Ang University 84 Heukseok-ro, Dongjak Seoul 06974 Republic of Korea
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28
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Ranjith J, Krishna PR. Copper-Catalyzed Oxidative C-H Bond Functionalization of N-Allylbenzamide for Regioselective C-N and C-O Bond Formation. Chem Asian J 2019; 14:1448-1451. [PMID: 30859739 DOI: 10.1002/asia.201900192] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/11/2019] [Indexed: 01/10/2023]
Abstract
Copper-catalyzed oxidative couplings of N-allylbenzamides for C-N and C-O bond formations have been developed through C-H bond functionalization. To demonstrate the utility of this approach, it was applied to the synthesis of β-aminoimides and imides. To the best of our knowledge, these are the first examples in which different classes of N-containing compounds have been directly prepared from the readily available N-allylbenzamides using an inexpensive catalyst/oxidant/base (CuSO4 /TBHP/Cs2 CO3 ) system.
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Affiliation(s)
- Jala Ranjith
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Palakodety Radha Krishna
- Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
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29
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Ghosh S, Ghosh A, Biswas S, Sengupta M, Roy D, Islam SM. Palladium Grafted Functionalized Nanomaterial: An Efficient Catalyst for the CO
2
Fixation of Amines and Production of Organic Carbamates. ChemistrySelect 2019. [DOI: 10.1002/slct.201900138] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Swarbhanu Ghosh
- Department of ChemistryUniversity of Kalyani, Kalyani, Nadia 741235, W.B. India
| | - Aniruddha Ghosh
- Department of ChemistryUniversity of Kalyani, Kalyani, Nadia 741235, W.B. India
| | - Surajit Biswas
- Department of ChemistryUniversity of Kalyani, Kalyani, Nadia 741235, W.B. India
| | - Manideepa Sengupta
- Department of ChemistryUniversity of Kalyani, Kalyani, Nadia 741235, W.B. India
| | - Dipanwita Roy
- Department of ChemistryUniversity of Kalyani, Kalyani, Nadia 741235, W.B. India
| | - Sk. Manirul Islam
- Department of ChemistryUniversity of Kalyani, Kalyani, Nadia 741235, W.B. India
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30
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Caramenti P, Declas N, Tessier R, Wodrich MD, Waser J. Stereoselective synthesis of alkyl-, aryl-, vinyl- and alkynyl-substituted Z-enamides and enol ethers. Chem Sci 2019; 10:3223-3230. [PMID: 30996905 PMCID: PMC6430016 DOI: 10.1039/c8sc05573d] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 02/03/2019] [Indexed: 01/03/2023] Open
Abstract
Enamides and enol ethers are valuable building blocks in synthetic chemistry, yet their stereoselective synthesis can be challenging. Herein, we report a new stereoselective synthesis of vinyl, aryl, alkynyl, alkyl and thio-substituted Z-enamides and enol ethers based on the use of vinylbenziodoxolone (VBX) reagents. The stable VBX reagents were synthesized by stereoselective addition of N- or O-nucleophiles on the corresponding alkynyl reagents in the presence of a catalytic amount of cesium carbonate. The VBX reagents were used in palladium-catalyzed cross-couplings at room temperature to access Z-enamides and enol ethers.
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Affiliation(s)
- Paola Caramenti
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Nina Declas
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Romain Tessier
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Matthew D Wodrich
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis , Institut des Sciences et Ingénierie Chimique , Ecole Polytechnique Fédérale de Lausanne , Lausanne , Ch-1015 , Switzerland .
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31
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Cao M, Liu L, Tang S, Peng Z, Wang Y. Palladium‐Catalyzed Solvent‐Controlled Selective Synthesis of Acyl Isoureas and Imides from Amides, Isocyanides, Alcohols and Carboxylates. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801245] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Ming Cao
- National Demonstration Center for Experimental Chemistry Education, Hunan Engineering Laboratory for Analyse and Drugs Development of Ethnomedicine in Wuling MountainsJishou University Jishou 416000 People's Republic of China
| | - Liqiu Liu
- National Demonstration Center for Experimental Chemistry Education, Hunan Engineering Laboratory for Analyse and Drugs Development of Ethnomedicine in Wuling MountainsJishou University Jishou 416000 People's Republic of China
| | - Shi Tang
- National Demonstration Center for Experimental Chemistry Education, Hunan Engineering Laboratory for Analyse and Drugs Development of Ethnomedicine in Wuling MountainsJishou University Jishou 416000 People's Republic of China
| | - Zhiyuan Peng
- National Demonstration Center for Experimental Chemistry Education, Hunan Engineering Laboratory for Analyse and Drugs Development of Ethnomedicine in Wuling MountainsJishou University Jishou 416000 People's Republic of China
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine PolymersHunan University of Science and Technology Xiangtan 411201 People's Republic of China
| | - Yingchun Wang
- National Demonstration Center for Experimental Chemistry Education, Hunan Engineering Laboratory for Analyse and Drugs Development of Ethnomedicine in Wuling MountainsJishou University Jishou 416000 People's Republic of China
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32
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Chen P, Zhang QQ, Guo J, Chen LL, Wang YB, Zhang X. An effective preparation of both 1,3-diketones and nitriles from alkynones with oximes as hydroxide sources. Org Biomol Chem 2019; 16:8336-8344. [PMID: 30206631 DOI: 10.1039/c8ob01861h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An effective phosphine-catalyzed protocol has been established for the syntheses of 1,3-diketones and nitriles from alkynones with oximes as hydroxide surrogates. This method features the use of a phosphine catalyst, compatibility with various functional groups and ambient temperature, which makes this approach very practical. A plausible mechanism was proposed.
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Affiliation(s)
- Pei Chen
- Institute of Functional Organic Molecular Engineering, Henan Engineering Laboratory of Flame-Retardant and Functional Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
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33
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Wang F, Wei TQ, Xu P, Wang SY, Ji SJ. Mn(III)-mediated radical cascade reaction of boronic acids with isocyanides: Synthesis of diimide derivatives. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.08.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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34
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Debbarma S, Bera SS, Maji MS. Harnessing Stereospecific Z-Enamides through Silver-Free Cp*Rh(III) Catalysis by Using Isoxazoles as Masked Electrophiles. Org Lett 2019; 21:835-839. [DOI: 10.1021/acs.orglett.8b04130] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Suvankar Debbarma
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sourav Sekhar Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Modhu Sudan Maji
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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35
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Nagaraaj P, Vijayakumar V. Oxidation of amine α-carbon to amide: a review on direct methods to access the amide functionality. Org Chem Front 2019. [DOI: 10.1039/c9qo00387h] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A number of methods have been adopted for the synthesis of amides; among these methods, the oxidation of an amine to an amide is growing in interest as a means to prepare this imperative functional group.
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Affiliation(s)
- P. Nagaraaj
- Department of Chemistry
- Anna University
- Chennai-25
- India
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36
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Dahiya A, Ali W, Alam T, Patel BK. A cascade synthesis of S-allyl benzoylcarbamothioates via Mumm-type rearrangement. Org Biomol Chem 2018; 16:7787-7791. [PMID: 30324952 DOI: 10.1039/c8ob02293c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A catalyst and solvent free synthesis of S-allyl benzoylcarbamothioates has been achieved from the in situ generated benzoylcarbonimidothioates obtained by reacting MBH alcohols with aroyl isothiocyanates. An intramolecular thia-Michael addition of the in situ generated adduct triggers a Mumm-type rearrangement leading to a stereoselective synthesis of highly functionalised S-allyl benzoylcarbamothioates.
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Affiliation(s)
- Anjali Dahiya
- Department of Chemistry, Indian Institute of Technology Guwahati, 781 039, Assam, India.
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37
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Vilím J, Knaus T, Mutti FG. Catalytic Promiscuity of Galactose Oxidase: A Mild Synthesis of Nitriles from Alcohols, Air, and Ammonia. Angew Chem Int Ed Engl 2018; 57:14240-14244. [PMID: 30176101 PMCID: PMC6220830 DOI: 10.1002/anie.201809411] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Indexed: 11/26/2022]
Abstract
We report an unprecedented catalytically promiscuous activity of the copper-dependent enzyme galactose oxidase. The enzyme catalyses the one-pot conversion of alcohols into the related nitriles under mild reaction conditions in ammonium buffer, consuming ammonia as the source of nitrogen and dioxygen (from air at atmospheric pressure) as the only oxidant. Thus, this green method does not require either cyanide salts, toxic metals, or undesired oxidants in stoichiometric amounts. The substrate scope of the reaction includes benzyl and cinnamyl alcohols as well as 4- and 3-pyridylmethanol, giving access to valuable chemical compounds. The oxidation proceeds through oxidation from alcohol to aldehyde, in situ imine formation, and final direct oxidation to nitrile.
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Affiliation(s)
- Jan Vilím
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Tanja Knaus
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Francesco G. Mutti
- Van't Hoff Institute for Molecular Sciences, HIMS-BiocatUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
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38
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Vilím J, Knaus T, Mutti FG. Catalytic Promiscuity of Galactose Oxidase: A Mild Synthesis of Nitriles from Alcohols, Air, and Ammonia. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809411] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jan Vilím
- Van't Hoff Institute for Molecular Sciences, HIMS-Biocat; University of Amsterdam; Science Park 904 1098 XH Amsterdam The Netherlands
| | - Tanja Knaus
- Van't Hoff Institute for Molecular Sciences, HIMS-Biocat; University of Amsterdam; Science Park 904 1098 XH Amsterdam The Netherlands
| | - Francesco G. Mutti
- Van't Hoff Institute for Molecular Sciences, HIMS-Biocat; University of Amsterdam; Science Park 904 1098 XH Amsterdam The Netherlands
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39
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Abstract
Abstract
This review focuses on the use of homogeneous transition metal complexes for the catalytic dehydrogenation of amines for synthetic purposes, and for hydrogen storage applications. The catalytic dehydrogenation of primary, secondary and cyclic amines is reviewed looking at reaction conditions, different catalysts and common side reactions. Recent developments in this active field of research showcase how cooperative ligands and photocatalysts can overcome the need for noble metals or harsh reaction conditions.
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Gökce H, Öztürk N, Sert Y, El-Azab AS, A. AlSaif N, Abdel-Aziz AAM. 4-[(1, 3-Dioxoisoindolin-2-yl)methyl]benzenesulfonamide: Full Structural and Spectroscopic Characterization and Molecular Docking with Carbonic Anhydrase II. ChemistrySelect 2018. [DOI: 10.1002/slct.201802484] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Halil Gökce
- Vocational School of Health Services; Giresun University; 28200 Giresun Turkey
| | - Nuri Öztürk
- Dereli Vocational School; Giresun University; 28950 Giresun Turkey
| | - Yusuf Sert
- Sorgun Vocational School; Bozok University; 66100 Yozgat Turkey
| | - Adel S. El-Azab
- Department of Pharmaceutical Chemistry; College of Pharmacy; King Saud University; 11451 Riyadh Saudi Arabia
- Department of Organic Chemistry; Faculty of Pharmacy; Al-Azhar University; 11884 Cairo Egypt
| | - Nawaf A. AlSaif
- Department of Pharmaceutical Chemistry; College of Pharmacy; King Saud University; 11451 Riyadh Saudi Arabia
| | - Alaa A.-M. Abdel-Aziz
- Department of Pharmaceutical Chemistry; College of Pharmacy; King Saud University; 11451 Riyadh Saudi Arabia
- Department of Medicinal Chemistry; Faculty of Pharmacy; Mansoura University; 35516 Mansoura Egypt
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Biswas S, Khanna HS, Nizami QA, Caldwell DR, Cavanaugh KT, Howell AR, Raman S, Suib SL, Nandi P. Heterogeneous Catalytic Oxidation of Amides to Imides by Manganese Oxides. Sci Rep 2018; 8:13649. [PMID: 30206248 PMCID: PMC6134084 DOI: 10.1038/s41598-018-31729-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 08/23/2018] [Indexed: 11/23/2022] Open
Abstract
Herein, we report a one-step peroxide mediated heterogeneous catalytic oxidation of amides to imides utilizing a series of manganese oxides. Among them, Cs/Mn2O3 was found to be the most active catalyst for the selective partial oxidation of N-benzylbenzamide to diphenyl imide. We have been able to apply an optimized oxidation method to other aromatic substrates. The feasibility of using air as an oxidant, the heterogeneous nature, inexpensive catalytic materials, respectable turnover numbers, and chemoselectivity to imides make this methodology an attractive choice for functional group transformations of amides to imides.
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Affiliation(s)
- Sourav Biswas
- Department of Chemistry, University of Connecticut, Storrs, CT, 06269, USA
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI, 53706, USA
| | - Harshul S Khanna
- Institute of Materials Science, University of Connecticut, Storrs, CT, 06269, USA
| | - Quddus A Nizami
- Corporate Strategic Research, ExxonMobil Research and Engineering Company, 1545 US 22 East, Annandale, NJ, 08801, USA
| | - Donald R Caldwell
- Department of Chemistry, University of Connecticut, Storrs, CT, 06269, USA
| | | | - Amy R Howell
- Department of Chemistry, University of Connecticut, Storrs, CT, 06269, USA
| | - Sumathy Raman
- Corporate Strategic Research, ExxonMobil Research and Engineering Company, 1545 US 22 East, Annandale, NJ, 08801, USA
| | - Steven L Suib
- Department of Chemistry, University of Connecticut, Storrs, CT, 06269, USA.
- Institute of Materials Science, University of Connecticut, Storrs, CT, 06269, USA.
| | - Partha Nandi
- Corporate Strategic Research, ExxonMobil Research and Engineering Company, 1545 US 22 East, Annandale, NJ, 08801, USA.
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Shen Y, Zhou Y, Jiang L, Ding G, Luo L, Zhang Z, Xie X. Selective aerobic oxidation of benzylic amines to aryl nitriles catalyzed by CuBr2/N-methyl imidazole. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.06.054] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Lamb RA, Lucas NT, Lessene G, Hawkins BC. Strategies, Setbacks, and Successes in the Synthesis of (−)-Spiroleucettadine. J Org Chem 2018; 83:10120-10133. [DOI: 10.1021/acs.joc.8b01404] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Richard A. Lamb
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Nigel T. Lucas
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Guillaume Lessene
- The Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Melbourne 3052, Australia
- Department of Medical Biology and Department of Pharmacology and Therapeutics, The University of Melbourne, Melbourne 3050, Australia
| | - Bill C. Hawkins
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
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Dutta I, Yadav S, Sarbajna A, De S, Hölscher M, Leitner W, Bera JK. Double Dehydrogenation of Primary Amines to Nitriles by a Ruthenium Complex Featuring Pyrazole Functionality. J Am Chem Soc 2018; 140:8662-8666. [DOI: 10.1021/jacs.8b05009] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Indranil Dutta
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Sudhir Yadav
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Abir Sarbajna
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Subhabrata De
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Markus Hölscher
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
| | - Walter Leitner
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
- Max Planck Institute for Chemical Energy Conversion, Stiftstraße 34-36, 45470 Mülheim an der Ruhr, Germany
| | - Jitendra K. Bera
- Department of Chemistry and Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
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Biswas S, Khatun R, Sengupta M, Islam SM. Polystyrene supported Zinc complex as an efficient catalyst for cyclic carbonate formation via CO2 fixation under atmospheric pressure and organic carbamates production. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2018.04.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ray R, Hazari AS, Lahiri GK, Maiti D. Ruthenium-Catalyzed Aerobic Oxidation of Amines. Chem Asian J 2018; 13:2138-2148. [PMID: 29345861 DOI: 10.1002/asia.201701748] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Indexed: 11/09/2022]
Abstract
Amine oxidation is one of the fundamental reactions in organic synthesis as it leads to a variety of value-added products such as oximes, nitriles, imines, and amides among many others. These products comprise the key N-containing building blocks in the modern chemical industry, and such transformations, when achieved in the presence of molecular oxygen without using stoichiometric oxidants, are much preferred as they circumvent the production of unwanted wastes. In parallel, the versatility of ruthenium catalysts in various oxidative transformations is well-documented. Herein, this review focuses on aerobic oxidation of amines specifically by using ruthenium catalysts and highlights the major achievements in this direction and challenges that still need to be addressed.
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Affiliation(s)
- Ritwika Ray
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Arijit Singha Hazari
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Goutam Kumar Lahiri
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
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Liu RY, Bae M, Buchwald SL. Mechanistic Insight Facilitates Discovery of a Mild and Efficient Copper-Catalyzed Dehydration of Primary Amides to Nitriles Using Hydrosilanes. J Am Chem Soc 2018; 140:1627-1631. [PMID: 29353477 PMCID: PMC5803397 DOI: 10.1021/jacs.8b00643] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Metal-catalyzed silylative dehydration of primary amides is an economical approach to the synthesis of nitriles. We report a copper-hydride(CuH)-catalyzed process that avoids a typically challenging 1,2-siloxane elimination step, thereby dramatically increasing the rate of the overall transformation relative to alternative metal-catalyzed systems. This new reaction proceeds at ambient temperature, tolerates a variety of metal-, acid-, or base-sensitive functional groups, and can be performed using a simple ligand, inexpensive siloxanes, and low catalyst loading.
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Affiliation(s)
| | | | - Stephen L. Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
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Spry C, Sewell AL, Hering Y, Villa MV, Weber J, Hobson SJ, Harnor SJ, Gul S, Marquez R, Saliba KJ. Structure-activity analysis of CJ-15,801 analogues that interact with Plasmodium falciparum pantothenate kinase and inhibit parasite proliferation. Eur J Med Chem 2018; 143:1139-1147. [DOI: 10.1016/j.ejmech.2017.08.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/22/2017] [Accepted: 08/22/2017] [Indexed: 12/25/2022]
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Xue S, Watzele S, Čolić V, Brandl K, Garlyyev B, Bandarenka AS. Reconsidering Water Electrolysis: Producing Hydrogen at Cathodes Together with Selective Oxidation of n-Butylamine at Anodes. CHEMSUSCHEM 2017; 10:4812-4816. [PMID: 29064188 DOI: 10.1002/cssc.201701802] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 10/20/2017] [Indexed: 06/07/2023]
Abstract
Electrocatalysis for the oxygen evolution reaction (OER) is of great interest for improving the effectiveness of water splitting devices. Decreasing the anodic overpotential and simultaneously changing the anodic reaction selectively to produce valuable chemicals instead of O2 would be a major improvement of the overall cost efficiency. Some amines, when present in aqueous electrolytes, were recently shown to change the selectivity of the anodic process to generate H2 O2 rather than O2 on MnOx at pH 10. This results in unusually high apparent "anodic activities". In this work, industrially relevant OER catalysts, oxyhydroxides of cobalt (CoOx ), nickel-iron (NiFeOx ), and nickel (NiOx ) all show more pronounced effects. Moreover, as anodes they also selectively catalyzed the production of nbutyronitrile from n-butylamine at higher pH as an easily retrievable valuable product. The pH dependence of the activity was investigated at pH values closer those at which alkaline electrolyzers operate. The highest activities were observed for NiOx thin-film electrodes at pH 12 in the presence of 0.4 m n-butylammonium sulfate, without poisoning the active sites of Pt electrocatalysts at the hydrogen evolution electrode. 1 H NMR spectroscopy showed that n-butylamine is selectively oxidized to n-butyronitrile, an organic chemical with numerous applications. However, measurements using rotating ring-disk electrodes indicated that some H2 O2 is also generated at the surface of the oxide anodes.
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Affiliation(s)
- Song Xue
- Physics of Energy Conversion and Storage, Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748, Garching, Germany
| | - Sebastian Watzele
- Physics of Energy Conversion and Storage, Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748, Garching, Germany
| | - Viktor Čolić
- Physics of Energy Conversion and Storage, Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748, Garching, Germany
- Department of Physics, Technical University of Denmark, Fysikvej Building 307, Room 058, 2800, Kgs. Lyngby, Denmark
| | - Kurt Brandl
- Physics of Energy Conversion and Storage, Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748, Garching, Germany
| | - Batyr Garlyyev
- Physics of Energy Conversion and Storage, Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748, Garching, Germany
| | - Aliaksandr S Bandarenka
- Physics of Energy Conversion and Storage, Department of Physics, Technische Universität München, James-Franck-Str. 1, 85748, Garching, Germany
- Nanosystems Initiative Munich (NIM), Schellingstraße 4, 80799, Munich, Germany
- Catalysis Research Center TUM, Ernst-Otto-Fischer-Straße 1, 85748, Garching, Germany
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Hara Y, Arai MA, Sakai K, Ishikawa N, Gonoi T, Yaguchi T, Ishibashi M. Dehydropropylpantothenamide isolated by a co-culture of Nocardia tenerifensis IFM 10554T in the presence of animal cells. J Nat Med 2017; 72:280-289. [DOI: 10.1007/s11418-017-1161-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 11/30/2017] [Indexed: 10/18/2022]
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