1
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Wu Y, Inoue M, Sakakura S, Hyodo K. γ-Lactam synthesis from cyclobutanone via transoximation and the Beckmann rearrangement. Org Biomol Chem 2024; 22:4364-4368. [PMID: 38738449 DOI: 10.1039/d4ob00566j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
This manuscript describes the synthesis of γ-lactam from the nitrogen insertion reaction of cyclobutanones using an oxime as an aminating reagent with a catalytic amount of Brønsted acid. This method was employed with a more stable oxime reagent, which is a precursor analog of hydroxylamine derivatives with explosive properties. The reaction was tolerated by various substituted cyclobutanones and less strained five- or six-membered ketones. The obtained γ-lactam products could be transformed into γ-aminobutyric acid derivatives via ring-opening hydrolysis. The reaction mechanism is discussed from the perspective of the isotope effect, etc.
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Affiliation(s)
- Yuhao Wu
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan.
| | - Masanori Inoue
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan.
| | - Shota Sakakura
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan.
| | - Kengo Hyodo
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka, 577-8502, Japan.
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2
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Tian H, Ding CY, Liao RZ, Li M, Tang C. Cobalt-Catalyzed Acceptorless Dehydrogenation of Primary Amines to Nitriles. J Am Chem Soc 2024; 146:11801-11810. [PMID: 38626455 DOI: 10.1021/jacs.4c00493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
The direct double dehydrogenation from primary amines to nitriles without an oxidant or hydrogen acceptor is both intriguing and challenging. In this paper, we describe a non-noble metal catalyst capable of realizing such a transformation with high efficiency. A cobalt-centered N,N-bidentate complex was designed and employed as a metal-ligand cooperative dehydrogenation catalyst. Detailed kinetic studies, control experiments, and DFT calculations revealed the crucial hydride transfer, proton transfer, and hydrogen evolution processes. Finally, a tandem outer-sphere/inner-sphere mechanism was proposed for the dehydrogenation of amines to nitriles through an imine intermediate.
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Affiliation(s)
- Haitao Tian
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Cai-Yun Ding
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Rong-Zhen Liao
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Man Li
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
| | - Conghui Tang
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China
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3
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Michel NWM, Gabbey AL, Edjoc RK, Fagbola E, Hughes JME, Campeau LC, Rousseaux SAL. Nickel-Catalyzed Reductive Arylation of Redox Active Esters for the Synthesis of α-Aryl Nitriles: Investigation of a Chlorosilane Additive. J Org Chem 2024. [PMID: 38197128 DOI: 10.1021/acs.joc.3c02354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
A nickel-catalyzed reductive cross-coupling of redox active N-hydroxyphthalimide (NHP) esters and iodoarenes for the synthesis of α-aryl nitriles is described. The NHP ester substrate is derived from cyanoacetic acid, which allows for a modular synthesis of substituted α-aryl nitriles, an important scaffold in the pharmaceutical sciences. The reaction exhibits a broad scope, and many functional groups are compatible under the reaction conditions, including complex highly functionalized medicinal agents. Mechanistic studies reveal that reduction and decarboxylation of the NHP ester to the reactive radical intermediate are accomplished by a combination of a chlorosilane additive and Zn dust. We demonstrate that stoichiometric chlorosilane is essential for product formation and that chlorosilane plays a role beyond activation of the metal reductant.
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Affiliation(s)
- Nicholas W M Michel
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Alexis L Gabbey
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Racquel K Edjoc
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Emmanuel Fagbola
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Jonathan M E Hughes
- Department of Process Research and Development, Merck & Company Inc., Rahway, New Jersey 07065, United States
| | - Louis-Charles Campeau
- Department of Process Research and Development, Merck & Company Inc., Rahway, New Jersey 07065, United States
| | - Sophie A L Rousseaux
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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4
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Wang Z, Hao J, Lv Y, Qu C, Yue H, Wei W. Additive‐Free Visible‐Light‐Initiated Three‐Component Cyanation and Azidation. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Zhiwei Wang
- Qufu Normal University School of Chemistry and Chemical Engineering CHINA
| | - Jindong Hao
- Qufu Normal University School of Chemistry and Chemical Engineering CHINA
| | - Yufen Lv
- Qufu Normal University School of Chemistry and Chemical Engineering CHINA
| | - Chengming Qu
- Qufu Normal University School of Chemistry and Chemical Engineering CHINA
| | - Huilan Yue
- Qufu Normal University School of Chemistry and Chemical Engineering CHINA
| | - Wei Wei
- Qufu Normal University Chemistry Jingxuan west road 57 number 273165 Qufu CHINA
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5
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Joy F, Peter F, Gokul PC, Nizam A, Chinnam S. UV-Promoted Metal- and Photocatalyst-Free Direct Conversion of Aromatic Aldehydes to Nitriles. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022030174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Sulfur-promoted, one-pot, and metal-free conversion of aromatic aldehydes to nitriles using an inorganic ammonium salt as the nitrogen source. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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7
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Bariya D, Mishra S. Lewis Acid Catalyzed Nitrile Synthesis from Aldehyde. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153711] [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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8
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Hyodo K, Miki K, Yauchi T. Synthesis of Ethyl Acetohydroximate and Derivatives from Imidate Hydrochloride. J Org Chem 2022; 87:2959-2965. [DOI: 10.1021/acs.joc.1c02809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kengo Hyodo
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Kensho Miki
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Tomoya Yauchi
- Department of Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
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9
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Kong X, Wang Y, Chen Y, Chen X, Lin L, Cao ZY. Cyanation and cyanomethylation of trimethylammonium salts via electrochemical cleavage of C–N bonds. Org Chem Front 2022. [DOI: 10.1039/d1qo01858b] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A practical and mild electrochemical protocol for cyanation and cyanomethylation of trimethylammonium salts has been developed.
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Affiliation(s)
- Xianqiang Kong
- School of Chemical Engineering and Materials, Changzhou Institute of Technology, Changzhou 213032, China
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai 201620, China
| | - Yuchang Wang
- School of Chemical Engineering and Materials, Changzhou Institute of Technology, Changzhou 213032, China
| | - Yiyi Chen
- School of Chemical Engineering and Materials, Changzhou Institute of Technology, Changzhou 213032, China
| | - Xiaohui Chen
- School of Chemical Engineering and Materials, Changzhou Institute of Technology, Changzhou 213032, China
| | - Long Lin
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai 201620, China
| | - Zhong-Yan Cao
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China
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10
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Pan L, Fu W, Zhang L, Wang S, Tang T. Highly dispersed Co species in N-doped carbon enhanced the aldehydes ammoxidation reaction activity. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2021.112087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Xu L, Hu Y, Zhu X, He L, Wu Q, Li C, Xia C, Liu C. Momentary Clicking Nitrile Synthesis Enabled by an Aminoazanium Reagent. Org Chem Front 2022. [DOI: 10.1039/d2qo00560c] [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
Achieving fast and selective functional group interconversion is crucial for improving synthetic efficiency in nowadays chemical science. In this context, we report a momentary and selective Schmidt-type nitrile synthesis. The...
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12
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Jat JL, Kumar P, Verma S, Chandra D, Singh V, Tiwari B. Metal-free synthesis of secondary amides using N-Boc- O-tosylhydroxylamine as nitrogen source via Beckmann rearrangement. NEW J CHEM 2022. [DOI: 10.1039/d2nj02755k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient methodology for the direct synthesis of secondary amides from ketones has been developed by using N-Boc-O-tosylhydroxylamine (TsONHBoc).
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Affiliation(s)
- Jawahar L. Jat
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, India
| | - Puneet Kumar
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, India
| | - Saumya Verma
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, India
| | - Dinesh Chandra
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow, India
| | - Vikram Singh
- Division of Molecular Synthesis & Drug Discovery, Centre of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow, India
| | - Bhoopendra Tiwari
- Division of Molecular Synthesis & Drug Discovery, Centre of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow, India
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13
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Sahoo S, Pal S. Copper-Catalyzed One-Pot Synthesis of Quinazolinones from 2-Nitrobenzaldehydes with Aldehydes: Application toward the Synthesis of Natural Products. J Org Chem 2021; 86:18067-18080. [PMID: 34813342 DOI: 10.1021/acs.joc.1c02343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A novel, efficient, and atom-economical approach for the construction of quinazolinones from 2-nitrobenzaldehydes has been unveiled via copper-catalyzed nitrile formation, hydrolysis, and reduction in one pot for the first time. In this reaction, urea is used as a source of nitrogen for nitrile formation, hydrazine hydrate is used for both the reduction of the nitro group and the hydrolysis of nitrile, and atmospheric oxygen is used as the sole oxidant. The method portrays a wide substrate scope with good functional group tolerances. Moreover, this method was applied for the synthesis of schizocommunin, tryptanthrin, phaitanthrin-A, phaitanthrin-B, and 8H-quinazolino[4,3-b]quinazolin-8-one.
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Affiliation(s)
- Subrata Sahoo
- Organic Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Argul, Odisha 752050, India
| | - Shantanu Pal
- Organic Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Argul, Odisha 752050, India
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14
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Cleavage via Selective Catalytic Oxidation of Lignin or Lignin Model Compounds into Functional Chemicals. CHEMENGINEERING 2021. [DOI: 10.3390/chemengineering5040074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Lignin, a complex aromatic polymer with different types of methoxylated phenylpropanoid connections, enables the sustainable supply of value-added chemicals and biofuels through its use as a feedstock. Despite the development of numerous methodologies that upgrade lignin to high-value chemicals such as drugs and organic synthesis intermediates, the variety of valuable products obtained from lignin is still very limited, mainly delivering hydrocarbons and oxygenates. Using selective oxidation and activation cleavage of lignin, we can obtain value-added aromatics, including phenols, aldehydes, ketones, and carboxylic acid. However, biorefineries will demand a broad spectrum of fine chemicals in the future, not just simple chemicals like aldehydes and ketones containing simple C = O groups. In particular, most n-containing aromatics, which have found important applications in materials science, agro-chemistry, and medicinal chemistry, such as amide, aniline, and nitrogen heterocyclic compounds, are obtained through n-containing reagents mediating the oxidation cleavage in lignin. This tutorial review provides updates on recent advances in different classes of chemicals from the catalytic oxidation system in lignin depolymerization, which also introduces those functionalized products through a conventional synthesis method. A comparison with traditional synthetic strategies reveals the feasibility of the lignin model and real lignin utilization. Promising applications of functionalized compounds in synthetic transformation, drugs, dyes, and textiles are also discussed.
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15
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Hua M, Song J, Huang X, Liu H, Fan H, Wang W, He Z, Liu Z, Han B. Highly Efficient Oxidative Cyanation of Aldehydes to Nitriles over Se,S,N‐
tri
‐Doped Hierarchically Porous Carbon Nanosheets. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Manli Hua
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 China
| | - Jinliang Song
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Xin Huang
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 China
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 China
| | - Honglei Fan
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Weitao Wang
- Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry & Chemical Engineering Shaanxi University of Science & Technology Xi'an Shaanxi 710021 China
| | - Zhenhong He
- Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry & Chemical Engineering Shaanxi University of Science & Technology Xi'an Shaanxi 710021 China
| | - Zhaotie Liu
- Shaanxi Key Laboratory of Chemical Additives for Industry College of Chemistry & Chemical Engineering Shaanxi University of Science & Technology Xi'an Shaanxi 710021 China
| | - Buxing Han
- Beijing National Laboratory for Molecular Science CAS Key Laboratory of Colloid and Interface and Thermodynamics CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 China
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16
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Hua M, Song J, Huang X, Liu H, Fan H, Wang W, He Z, Liu Z, Han B. Highly Efficient Oxidative Cyanation of Aldehydes to Nitriles over Se,S,N-tri-Doped Hierarchically Porous Carbon Nanosheets. Angew Chem Int Ed Engl 2021; 60:21479-21485. [PMID: 34318968 DOI: 10.1002/anie.202107996] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Indexed: 12/17/2022]
Abstract
Oxidative cyanation of aldehydes provides a promising strategy for the cyanide-free synthesis of organic nitriles. Design of robust and cost-effective catalysts is the key for this route. Herein, we designed a series of Se,S,N-tri-doped carbon nanosheets with a hierarchical porous structure (denoted as Se,S,N-CNs-x, x represents the pyrolysis temperature). It was found that the obtained Se,S,N-CNs-1000 was very selective and efficient for oxidative cyanation of various aldehydes including those containing other oxidizable groups into the corresponding nitriles using ammonia as the nitrogen resource below 100 °C. Detailed investigations revealed that the excellent performance of Se,S,N-CNs-1000 originated mainly from the graphitic-N species with lower electron density and synergistic effect between the Se, S, N, and C in the catalyst. Besides, the hierarchically porous structure could also promote the reaction. Notably, the unique feature of this metal-free catalyst is that it tolerated other oxidizable groups, and showed no activity on further reaction of the products, thereby resulting in high selectivity. As far as we know, this is the first work for the synthesis of nitriles via oxidative cyanation of aldehydes over heterogeneous metal-free catalysts.
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Affiliation(s)
- Manli Hua
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jinliang Song
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Xin Huang
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Honglei Fan
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Weitao Wang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi, 710021, China
| | - Zhenhong He
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi, 710021, China
| | - Zhaotie Liu
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry & Chemical Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi, 710021, China
| | - Buxing Han
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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17
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Mazumdar W, Driver TG. Recent Advances in the Development of Catalytic Methods that Construct Medium-ring Lactams, Partially Saturated Benzazepines and their Derivatives. SYNTHESIS-STUTTGART 2021; 53:1734-1748. [PMID: 34421133 DOI: 10.1055/s-0040-1705995] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Recent catalytic methods to construct medium-sized lactams and partially saturated benzazepines and their derivatives are surveyed. The review is divided into the following sections: 1 Introduction 2 Non-Transition Metal Catalyzed Reactions 2.1 Beckmann Rearrangement 2.2 Non-Beckmann Rearrangement Reactions 2.3 Multi-component reactions 3 Transition Metal-Catalyzed Reactions 3.1 Au-catalyzed reactions to access medium-sized N-heterocycles 3.2 Reactions involving a metal η3-complex catalytic intermediate 3.3 Transition metal-catalyzed reactions of strained cycloalkanes 4 Conclusions.
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Affiliation(s)
- Wrickban Mazumdar
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, USA, 60607
| | - Tom G Driver
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL, USA, 60607
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18
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Cheewawisuttichai T, Hurst RD, Brichacek M. Transformation of aldehydes into nitriles in an aqueous medium using O-phenylhydroxylamine as the nitrogen source. Carbohydr Res 2021; 502:108282. [PMID: 33761407 DOI: 10.1016/j.carres.2021.108282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 03/03/2021] [Accepted: 03/03/2021] [Indexed: 11/16/2022]
Abstract
The conversion of an aldehyde into a nitrile can be efficiently performed using O-phenylhydroxylamine hydrochloride in buffered aqueous solutions. The reported method is specifically optimized for aqueous-soluble substrates including carbohydrates. Several reducing sugars including monosaccharides, disaccharides, and silyl-protected saccharides were transformed into cyanohydrins in high yields. The reaction conditions are also suitable for the formation of nitriles from various types of hydrophobic aldehyde substrates. Furthermore, cyanide can be eliminated from cyanohydrins, analogous to the Wohl degradation, by utilizing a readily-removed weakly basic resin as a promoter.
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Affiliation(s)
| | - Robert D Hurst
- Department of Chemistry, University of Maine, Orono, ME, USA
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19
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Maiti D, Mahanty K, De Sarkar S. Manganese-Catalyzed Electrochemical Tandem Azidation-Coarctate Reaction: Easy Access to 2-Azo-benzonitriles. Org Lett 2021; 23:1742-1747. [PMID: 33625230 DOI: 10.1021/acs.orglett.1c00169] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A one-pot cascade transformation consisting of an electrochemically driven azidation of 2H-indazole followed by coarctate fragmentation is developed to synthesize the 2-azo-benzonitrile motif. This manganese-catalyzed transformation is external-chemical-oxidant-free and operates at ambient temperature under air. This methodology exhibits good functional group tolerance, affording a broad range of substrate scopes of up to 89% isolated yield. Diverse derivatization of the 2-azo-benzonitrile product resulted in other valuable scaffolds.
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Affiliation(s)
- Debabrata Maiti
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, West Bengal, India
| | - Kingshuk Mahanty
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, West Bengal, India
| | - Suman De Sarkar
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, West Bengal, India
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20
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Xing AP, Shen Z, Zhao Z, Tian X, Ren YL. CuO-catalyzed conversion of arylacetic acids into aromatic nitriles with K4Fe(CN)6 as the nitrogen source. CATAL COMMUN 2021. [DOI: 10.1016/j.catcom.2020.106175] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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21
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Lauro FV, Francisco DC, Marcela RN, Maria LR, Alejandra GEE, Virginia MA, Yazmin OA. Effective synthesis of a hexacyclic-steroid derivative from 4-hydroxyestrone. Steroids 2020; 163:108715. [PMID: 32853676 DOI: 10.1016/j.steroids.2020.108715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/08/2020] [Accepted: 08/17/2020] [Indexed: 11/22/2022]
Abstract
Several studies have been reported for the preparation of hexacyclic-steroid derivatives; however, some reagents are expensive and require special conditions for handling. In this way, the objective of this study was to synthesize a hexacyclic-steroid derivative from 4-hydroxyestrone. The chemical structure was evaluated through both 1H NMR and 13C NMR spectroscopic analysis. The results showed good performance of the hexacyclic-steroid derivative. In conclusion in this study, an easy method for the preparation of the hexacyclic-steroid derivative is reported.
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Affiliation(s)
- Figueroa-Valverde Lauro
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico.
| | - Diaz Cedillo Francisco
- Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Prol. Carpio y Plan de Ayala s/n Col. Santo Tomas, Mexico, D.F. C.P. 11340, Mexico
| | - Rosas-Nexticapa Marcela
- Facultad de Nutrición, Universidad Veracruzana, Médicos y Odontólogos s/n, 91010, Xalapa, Veracruz, Mexico.
| | - Lopez-Ramos Maria
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico
| | | | - Mateu-Armand Virginia
- Facultad de Nutrición, Universidad Veracruzana, Médicos y Odontólogos s/n, 91010, Xalapa, Veracruz, Mexico
| | - Ortiz-Ake Yazmin
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico
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22
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Wu J, Liu J, Zhou K, He Z, Wang Q, Wu F, Miao T, Qian J, Shi Q. Efficient construction of diverse 3-cyanoindoles under novel tandem catalysis. Chem Commun (Camb) 2020; 56:12660-12663. [PMID: 32966377 DOI: 10.1039/d0cc05439a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A novel and rapid construction of 3-cyanoindoles by palladium-catalyzed tandem reactions has been developed. "N-H" free unprotected, N-alkyl and N-aryl 3-cyanoindoles are obtained with good to excellent yields. The usefulness of this synthetic approach is further demonstrated by the successful synthesis of practical compounds such as the therapeutic estrogen receptor ligand A precursor. Mechanism study shows that the tandem catalysis exploits a Suzuki cross-coupling with subsequent base-induced isoxazole fragmentation, followed by the aldimine condensation.
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Affiliation(s)
- Jun Wu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Jiabin Liu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Kerui Zhou
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Zhenni He
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Qian Wang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Fen Wu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Tingting Miao
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Jinjie Qian
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
| | - Qian Shi
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, P. R. China.
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23
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Danahy KE, Styduhar ED, Fodness AM, Heckman LM, Jamison TF. On-Demand Generation and Use in Continuous Synthesis of the Ambiphilic Nitrogen Source Chloramine. Org Lett 2020; 22:8392-8395. [PMID: 33086788 DOI: 10.1021/acs.orglett.0c03021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, we demonstrate the on-demand synthesis of chloramine from aqueous ammonia and sodium hypochlorite solutions, and its subsequent utilization as an ambiphilic nitrogen source in continuous-flow synthesis. Despite its advantages in cost and atom economy, chloramine has not seen widespread use in batch synthesis due to its unstable and hazardous nature. Continuous-flow chemistry, however, provides an excellent platform for generating and handling chloramine in a safe, reliable, and inexpensive manner. Unsaturated aldehydes are converted to valuable aziridines and nitriles, and thioethers are converted to sulfoxides, in moderate to good yields and exceedingly short reaction times. In this telescoped process, chloramine is generated in situ and immediately used, providing safe and efficient conditions for reaction scale-up while mitigating the issue of its decomposition over time.
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Affiliation(s)
- Kelley E Danahy
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 01239, United States
| | - Evan D Styduhar
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 01239, United States
| | - Aria M Fodness
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 01239, United States
| | - Laurel M Heckman
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 01239, United States
| | - Timothy F Jamison
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 01239, United States
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24
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Mudshinge SR, Potnis CS, Xu B, Hammond GB. HCl•DMPU-Assisted One-pot and Metal-free Conversion of Aldehydes to Nitriles. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2020; 22:4161-4164. [PMID: 33795972 PMCID: PMC8009297 DOI: 10.1039/d0gc00757a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We report an efficient HCl•DMPU assisted one-pot conversion of aldehydes into nitriles. The use of HCl•DMPU as both an acidic source as well as a non-nucleophilic base constitutes an environmentally mild alternative for the preparation of nitriles. Our protocol proceeds smoothly without the use of toxic reagents and metal catalysts. Diverse functionalized aromatic, aliphatic and allylic aldehydes incorporating various functional groups were successfully converted to nitriles in excellent to quantitative yields. This protocol is characterized by a broad substrate scope, mild reaction conditions, and high scalability.
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Affiliation(s)
- Sagar R Mudshinge
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Chinmay S Potnis
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
| | - Bo Xu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai, China
| | - Gerald B Hammond
- Department of Chemistry, University of Louisville, Louisville, Kentucky 40292, United States
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25
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Lan L, Huang S, Liu Y, Sun B, Tian H. Preparation and odor characteristics of nitriles derived from aldehydes. FLAVOUR FRAG J 2020. [DOI: 10.1002/ffj.3581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Liyuan Lan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Key laboratory of Flavor Chemistry Beijing Technology and Business University Beijing China
| | - Shuai Huang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Key laboratory of Flavor Chemistry Beijing Technology and Business University Beijing China
| | - Yongguo Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Key laboratory of Flavor Chemistry Beijing Technology and Business University Beijing China
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Key laboratory of Flavor Chemistry Beijing Technology and Business University Beijing China
| | - Hongyu Tian
- Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Key laboratory of Flavor Chemistry Beijing Technology and Business University Beijing China
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26
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Liu B, Liu M, Li Q, Li Y, Feng K, Zhou Y. The palladium-catalyzed direct C3-cyanation of indoles using acetonitrile as the cyanide source. Org Biomol Chem 2020; 18:6108-6114. [DOI: 10.1039/d0ob00485e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The palladium-catalyzed C3-cyanation of indoles via direct C–H functionalization was achieved utilizing CH3CN as the cyanide source through transition-metal-catalyzed C–CN bond cleavage.
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Affiliation(s)
- Bifu Liu
- School of Chemistry and Materials Engineering
- Huizhou University
- Huizhou
- China
| | - Min Liu
- School of Chemistry and Materials Engineering
- Huizhou University
- Huizhou
- China
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle
| | - Qiang Li
- College of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
- College of Chemistry and Chemical Engineering
| | - Yuanhua Li
- School of Chemistry and Materials Engineering
- Huizhou University
- Huizhou
- China
| | - Kejun Feng
- School of Chemistry and Materials Engineering
- Huizhou University
- Huizhou
- China
| | - Yongbo Zhou
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- China
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27
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Liu J, Zhang C, Zhang Z, Wen X, Dou X, Wei J, Qiu X, Song S, Jiao N. Nitromethane as a nitrogen donor in Schmidt-type formation of amides and nitriles. Science 2019; 367:281-285. [DOI: 10.1126/science.aay9501] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 11/20/2019] [Indexed: 12/13/2022]
Abstract
The Schmidt reaction has been an efficient and widely used synthetic approach to amides and nitriles since its discovery in 1923. However, its application often entails the use of volatile, potentially explosive, and highly toxic azide reagents. Here, we report a sequence whereby triflic anhydride and formic and acetic acids activate the bulk chemical nitromethane to serve as a nitrogen donor in place of azides in Schmidt-like reactions. This protocol further expands the substrate scope to alkynes and simple alkyl benzenes for the preparation of amides and nitriles.
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Affiliation(s)
- Jianzhong Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Cheng Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ziyao Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiaojin Wen
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xiaodong Dou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jialiang Wei
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xu Qiu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Song Song
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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28
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Nandi J, Leadbeater NE. Visible-light-driven catalytic oxidation of aldehydes and alcohols to nitriles by 4-acetamido-TEMPO using ammonium carbamate as a nitrogen source. Org Biomol Chem 2019; 17:9182-9186. [PMID: 31595927 DOI: 10.1039/c9ob01918a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mild and efficient route to prepare nitriles from aldehydes by combining photoredox catalysis with oxoammonium cations is reported. The reaction is performed using ammonium carbamate as the nitrogen source. The practicality of the method is increased by the extension of the dual catalytic system to one-pot two-step conversion of alcohols to nitriles.
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Affiliation(s)
- Jyoti Nandi
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269, USA.
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29
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Yang L, Liu Z, Li Y, Lei N, Shen Y, Zheng K. Electrochemically Enabled C3-Formylation and -Acylation of Indoles with Aldehydes. Org Lett 2019; 21:7702-7707. [PMID: 31553193 DOI: 10.1021/acs.orglett.9b02433] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Reported herein is an effective strategy for oxidative cross-coupling of indoles with various aldehydes. The strategy is based on a two-step transformation via a well-known Mannich-type reaction and a C-N bond cleavage for carbonyl introduction. The key step-the C-N bond cleavage of the Mannich product-was enabled by electrochemistry. This strategy (with over 40 examples) ensures excellent functional-group tolerance as well as late-stage functionalization of pharmaceutical molecules.
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Affiliation(s)
- Liquan Yang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Zhaoran Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Yujun Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Ning Lei
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Yanling Shen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
| | - Ke Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China
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30
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Meng H, Gao S, Luo M, Zeng X. Iron and Phenol Co-Catalysis for Rapid Synthesis of Nitriles under Mild Conditions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900831] [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)
- Hong Meng
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
| | - Sen Gao
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
| | - Meiming Luo
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
| | - Xiaoming Zeng
- Key Laboratory of Green Chemistry and Technology (MOE); College of Chemistry; Sichuan University; 610064 Chengdu People's Republic of China
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31
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Jiang Y, Sun B, Fang WY, Qin HL. A Transition-Metal-Free One-Pot Cascade Process for Transformation of Primary Alcohols (RCH2
OH) to Nitriles (RCN) Mediated by SO2
F2. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900478] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Ying Jiang
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 205 Luoshi Road 430070 Wuhan P. R. China
| | - Bing Sun
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 205 Luoshi Road 430070 Wuhan P. R. China
| | - Wan-Yin Fang
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 205 Luoshi Road 430070 Wuhan P. R. China
| | - Hua-Li Qin
- State Key Laboratory of Silicate Materials for Architectures; and School of Chemistry; Chemical Engineering and Life Science; Wuhan University of Technology; 205 Luoshi Road 430070 Wuhan P. R. China
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32
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Hyodo K, Hasegawa G, Maki H, Uchida K. Deacetylative Amination of Acetyl Arenes and Alkanes with C-C Bond Cleavage. Org Lett 2019; 21:2818-2822. [PMID: 30946591 DOI: 10.1021/acs.orglett.9b00807] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The Brønsted acid-catalyzed synthesis of primary amines from acetyl arenes and alkanes with C-C bond cleavage is described. Although the conversion from an acetyl group to amine has traditionally required multiple steps, the method described herein, which uses an oxime reagent as an amino group source, achieves the transformation directly via domino transoximation/Beckmann rearrangement/Pinner reaction. The method was also applied to the synthesis of γ-aminobutyric acids, such as baclophen and rolipram.
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Affiliation(s)
- Kengo Hyodo
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
| | - Genna Hasegawa
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
| | - Hiroya Maki
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
| | - Kingo Uchida
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
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33
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Fang WY, Qin HL. Cascade Process for Direct Transformation of Aldehydes (RCHO) to Nitriles (RCN) Using Inorganic Reagents NH 2OH/Na 2CO 3/SO 2F 2 in DMSO. J Org Chem 2019; 84:5803-5812. [PMID: 30868885 DOI: 10.1021/acs.joc.8b03164] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A simple, mild, and practical process for direct conversion of aldehydes to nitriles was developed feathering a wide substrate scope and great functional group tolerability (52 examples, over 90% yield in most cases) using inorganic reagents (NH2OH/Na2CO3/SO2F2) in DMSO. This method allows for transformations of readily available, inexpensive, and abundant aldehydes to highly valuable nitriles in a pot, atom, and step-economical manner without transition metals. This protocol will serve as a robust tool for the installation of cyano-moieties to complicated molecules.
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Affiliation(s)
- Wan-Yin Fang
- State Key Laboratory of Silicate Materials for Architectures and School of Chemistry, Chemical Engineering, and Life Science , Wuhan University of Technology , 205 Luoshi Road , Wuhan 430070 , P. R. China
| | - Hua-Li Qin
- State Key Laboratory of Silicate Materials for Architectures and School of Chemistry, Chemical Engineering, and Life Science , Wuhan University of Technology , 205 Luoshi Road , Wuhan 430070 , P. R. China
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34
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Gurjar J, Bater J, Fokin VV. Sulfuryl Fluoride Mediated Conversion of Aldehydes to Nitriles. Chemistry 2019; 25:1906-1909. [DOI: 10.1002/chem.201805175] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Jitendra Gurjar
- University of Southern California Bridge Institute and Loker Hydrocarbon Research Institute 1002 Childs Way Los Angeles CA 90089-3502 USA
| | - Jorick Bater
- University of Southern California Bridge Institute and Loker Hydrocarbon Research Institute 1002 Childs Way Los Angeles CA 90089-3502 USA
| | - Valery V. Fokin
- University of Southern California Bridge Institute and Loker Hydrocarbon Research Institute 1002 Childs Way Los Angeles CA 90089-3502 USA
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35
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Lekkala R, Lekkala R, Moku B, Rakesh KP, Qin HL. Applications of sulfuryl fluoride (SO2F2) in chemical transformations. Org Chem Front 2019. [DOI: 10.1039/c9qo00747d] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A number of novel methodologies concerning the chemical, biological and medicinal applications of sulfuryl fluoride (SO2F2) gas have dramatically improved year by year.
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Affiliation(s)
- Ravindar Lekkala
- State Key Laboratory of Silicate Materials for Architectures
- and School of Chemistry
- Chemical Engineering and Life Science
- Wuhan University of Technology
- Wuhan
| | - Revathi Lekkala
- State Key Laboratory of Silicate Materials for Architectures
- and School of Chemistry
- Chemical Engineering and Life Science
- Wuhan University of Technology
- Wuhan
| | - Balakrishna Moku
- State Key Laboratory of Silicate Materials for Architectures
- and School of Chemistry
- Chemical Engineering and Life Science
- Wuhan University of Technology
- Wuhan
| | - K. P. Rakesh
- State Key Laboratory of Silicate Materials for Architectures
- and School of Chemistry
- Chemical Engineering and Life Science
- Wuhan University of Technology
- Wuhan
| | - Hua-Li Qin
- State Key Laboratory of Silicate Materials for Architectures
- and School of Chemistry
- Chemical Engineering and Life Science
- Wuhan University of Technology
- Wuhan
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36
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Visible light-induced direct conversion of aldehydes into nitriles in aqueous medium using Co@g-C3N4 as photocatalyst. CATAL COMMUN 2019. [DOI: 10.1016/j.catcom.2018.10.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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37
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Muratov K, Kuchuk E, Vellalath S, Afanasyev OI, Moskovets AP, Denisov G, Chusov D. Formal reductive addition of acetonitrile to aldehydes and ketones. Org Biomol Chem 2018; 16:7693-7701. [PMID: 30288533 DOI: 10.1039/c8ob01992d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
An efficient and highly productive rhodium-catalyzed method for the synthesis of nitriles employing aldehydes or ketones, methyl cyanoacetate, water and carbon monoxide as starting materials has been developed. Simple rhodium chloride without any ligands can be used. The fine tuning of the substrate can lead to the activity higher than 5000 TON.
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Affiliation(s)
- Karim Muratov
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Ekaterina Kuchuk
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Sreekumar Vellalath
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76798, USA
| | - Oleg I Afanasyev
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Alexei P Moskovets
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Gleb Denisov
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Denis Chusov
- Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russia.
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38
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Hyodo K, Hasegawa G, Oishi N, Kuroda K, Uchida K. Direct and Catalytic Amide Synthesis from Ketones via Transoximation and Beckmann Rearrangement under Mild Conditions. J Org Chem 2018; 83:13080-13087. [DOI: 10.1021/acs.joc.8b01810] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kengo Hyodo
- Department of Material Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu, Shiga 520-2194, Japan
| | - Genna Hasegawa
- Department of Material Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu, Shiga 520-2194, Japan
| | - Naoki Oishi
- Department of Material Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu, Shiga 520-2194, Japan
| | - Kazuma Kuroda
- Department of Material Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu, Shiga 520-2194, Japan
| | - Kingo Uchida
- Department of Material Chemistry, Faculty of Science and Technology, Ryukoku University, Seta, Otsu, Shiga 520-2194, Japan
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39
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Zhu C, Chen F, Liu C, Zeng H, Yang Z, Wu W, Jiang H. Copper-Catalyzed Unstrained C–C Single Bond Cleavage of Acyclic Oxime Acetates Using Air: An Internal Oxidant-Triggered Strategy toward Nitriles and Ketones. J Org Chem 2018; 83:14713-14722. [DOI: 10.1021/acs.joc.8b02103] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Chuanle Zhu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Fulin Chen
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Chi Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Hao Zeng
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Zhiyi Yang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
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40
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Sun L, Yao A, Wang H, Zhang L, Zeng L, Huang Z, Gao M, Lei A. Oxidation-Induced para
-Selective Formylation of N,N-Substituted Aniline. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Li Sun
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
| | - Anjin Yao
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
| | - Haiyan Wang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
| | - Limei Zhang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
| | - Lizhen Zeng
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
| | - Zhiliang Huang
- College of Chemistry and Molecular Sciences, the Institute for Advanced, Studies (IAS); Wuhan University; Wuhan, Hubei 430072 P. R. China
| | - Meng Gao
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
| | - Aiwen Lei
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal, University; Nanchang 330022, Jiangxi P. R. China
- College of Chemistry and Molecular Sciences, the Institute for Advanced, Studies (IAS); Wuhan University; Wuhan, Hubei 430072 P. R. China
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41
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Mandal M, Balamurugan R. Triflic acid-Mediated Expedient Synthesis of Benzo[a
]fluorenes and Fluorescent Benzo[a
]fluorenones. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701516] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mou Mandal
- School of Chemistry; University of Hyderabad; Gachibowli Hyderabad- 500046 India
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42
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Synthesis of Functionalized Nitriles by Microwave-Promoted Fragmentations of Cyclic Iminyl Radicals. Chemistry 2017; 24:594-598. [DOI: 10.1002/chem.201705728] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Indexed: 12/16/2022]
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