1
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Kumar S, Arora A, Singh SK, Kumar R, Shankar B, Singh BK. Phenyliodine bis(trifluoroacetate) as a sustainable reagent: exploring its significance in organic synthesis. Org Biomol Chem 2024; 22:3109-3185. [PMID: 38529599 DOI: 10.1039/d3ob01964k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Iodine-containing molecules, especially hypervalent iodine compounds, have gained significant attention in organic synthesis. They are valuable and sustainable reagents, leading to a remarkable surge in their use for chemical transformations. One such hypervalent iodine compound, phenyliodine bis(trifluoroacetate)/bis(trifluoroacetoxy)iodobenzene, commonly referred to as PIFA, has emerged as a prominent candidate due to its attributes of facile manipulation, moderate reactivity, low toxicity, and ready availability. PIFA presents an auspicious prospect as a substitute for costly organometallic catalysts and environmentally hazardous oxidants containing heavy metals. PIFA exhibits remarkable catalytic activity, facilitating an array of consequential organic reactions, including sulfenylation, alkylarylation, oxidative coupling, cascade reactions, amination, amidation, ring-rearrangement, carboxylation, and numerous others. Over the past decade, the application of PIFA in synthetic chemistry has witnessed substantial growth, necessitating an updated exploration of this field. In this discourse, we present a concise overview of PIFA's applications as a 'green' reagent in the domain of synthetic organic chemistry. A primary objective of this article is to bring to the forefront the scientific community's awareness of the merits associated with adopting PIFA as an environmentally conscientious alternative to heavy metals.
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Affiliation(s)
- Sumit Kumar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Aditi Arora
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Sunil K Singh
- Department of Chemistry, Kirori Mal College, University of Delhi, Delhi-110007, India.
| | - Rajesh Kumar
- Department of Chemistry, R.D.S College, B.R.A. Bihar University, Muzaffarpur-842002, India
| | - Bhawani Shankar
- Department of Chemistry, Deshbandhu College, University of Delhi, Delhi-110019, India
| | - Brajendra K Singh
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi-110007, India.
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2
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Kiyokawa K, Kawanaka K, Minakata S. Amino-λ 3 -iodane-Enabled Electrophilic Amination of Arylboronic Acid Derivatives. Angew Chem Int Ed Engl 2024; 63:e202319048. [PMID: 38272833 DOI: 10.1002/anie.202319048] [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: 12/11/2023] [Revised: 01/17/2024] [Accepted: 01/25/2024] [Indexed: 01/27/2024]
Abstract
In this report, we describe the use of amino-λ3 -iodanes in the electrophilic amination of arylboronic acids and boronates. Iodine(III) reagents with transferable amino groups, including one with an NH2 group, were synthesized and used in the amination, allowing the synthesis of a wide range of primary and secondary (hetero)arylamines. Mechanistic studies by DFT calculations indicate that the reaction proceeds through an electrophilic amination process from a tetravalent borate complex with a B-N dative bond.
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Affiliation(s)
- Kensuke Kiyokawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
| | - Kazuki Kawanaka
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
| | - Satoshi Minakata
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, Suita, Osaka 565-0871, Japan
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3
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Urbiña-Alvarez J, Rincón-Carvajal S, Gamba-Sánchez D. Ammonia surrogates in the synthesis of primary amines. Org Biomol Chem 2023; 21:7036-7051. [PMID: 37575051 DOI: 10.1039/d3ob01202f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Primary amines are derivatives of ammonia in which one hydrogen atom is replaced by an alkyl or aryl group. Ammonia serves as the primary nitrogen source in amination reactions, and its utilization in solution or as a pure gas has witnessed notable advancements. However, the use of gaseous ammonia remains problematic in academic laboratory settings, while employing aqueous ammonia poses challenges in highly water-sensitive transformations. Consequently, the search for alternative sources of ammonia has garnered considerable attention among the organic chemistry community. This comprehensive literature review focuses on the use of ammonia surrogates in amination reactions, irrespective of the resulting intermediate. The review emphasizes the formation of the C-N bond and underscores the importance of generating intermediate products that can be readily transformed into primary amines through well-established reactions.
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Affiliation(s)
- Julia Urbiña-Alvarez
- Laboratory of Organic Synthesis, Bio and Organocatalysis, Chemistry Department, Universidad de Los Andes, Cra 1 No. 18A-12 Q:305, Bogotá 111711, Colombia.
| | - Sergio Rincón-Carvajal
- Laboratory of Organic Synthesis, Bio and Organocatalysis, Chemistry Department, Universidad de Los Andes, Cra 1 No. 18A-12 Q:305, Bogotá 111711, Colombia.
| | - Diego Gamba-Sánchez
- Laboratory of Organic Synthesis, Bio and Organocatalysis, Chemistry Department, Universidad de Los Andes, Cra 1 No. 18A-12 Q:305, Bogotá 111711, Colombia.
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4
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Xie Q, Zhang R, Dong G. Programmable Amine Synthesis via Iterative Boron Homologation. Angew Chem Int Ed Engl 2023; 62:e202307118. [PMID: 37417916 DOI: 10.1002/anie.202307118] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/08/2023]
Abstract
The value of Matteson-type reactions has been increasingly recognized for developing automated organic synthesis. However, the typical Matteson reactions almost exclusively focus on homologation of carbon units. Here, we report the detailed development of sequential insertion of nitrogen and carbon atoms into boronate C-B bonds, which provides a modular and iterative approach to access functionalized tertiary amines. A new class of nitrenoid reagents is uncovered to allow direct formation of aminoboranes from aryl or alkyl boronates via N-insertion. The one-pot N-insertion followed by controlled mono- or double-carbenoid insertion has been realized with widely available aryl boronates. The resulting aminoalkyl boronate products can undergo further homologation and various other transformations. Preliminary success on homologation of N,N-dialkylaminoboranes and sequential N- and C-insertions with alkyl boronates have also been achieved. To broaden the synthetic utility, selective removal of a benzyl or aryl substituent permits access to secondary or primary amine products. The application of this method has been demonstrated in the modular synthesis of bioactive compounds and the programmable construction of diamines and aminoethers. A plausible reaction mechanism, supported by preliminary NMR (nuclear magnetic resonance) and computational studies, is also proposed.
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Affiliation(s)
- Qiqiang Xie
- Department of Chemistry, The University of Chicago, 5735 S Ellis Ave., Chicago, IL, 60637, USA
| | - Rui Zhang
- Department of Chemistry, The University of Chicago, 5735 S Ellis Ave., Chicago, IL, 60637, USA
| | - Guangbin Dong
- Department of Chemistry, The University of Chicago, 5735 S Ellis Ave., Chicago, IL, 60637, USA
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5
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Singhal R, Choudhary SP, Malik B, Pilania M. Cyclic diaryliodonium salts: applications and overview. Org Biomol Chem 2023; 21:4358-4378. [PMID: 37161758 DOI: 10.1039/d3ob00134b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Owing to the recent renewed interest and groundbreaking advances in hypervalent chemistry, cyclic diaryliodonium salts have had a myriad of unique applications in the past decade. Their numerous properties, such as an efficient dual arylation mechanism, straightforward one-pot synthesis compatibility, wide substrate scope, and functionalization tolerance, have made them appropriate starting materials for many bioactive compounds. Fluorenes, thiophenes, carbazoles, phenanthrenes, and many other useful cyclic bioactive molecules that are essential for pharmaceutical synthesis can be readily accessed from cyclic diaryliodonium salts. Particular focus has been given to the high optical activity and good enantiomeric excess of the products that facilitate the easy formation of many difficult-to-obtain optical isomers, such as atropisomers. This review aims to compile and summarize all the recent advances in synthesizing methodologies to prepare the important compounds where cyclic diaryliodonium salt is an integral part of the methodologies and would hopefully provide a good foundation for further research on this topic.
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Affiliation(s)
- Rakshanda Singhal
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
| | - Satya Prakash Choudhary
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
| | - Babita Malik
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
| | - Meenakshi Pilania
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
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6
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Kumar P, Verma S, Rathi K, Chandra D, Verma VP, Jat JL. Metal‐Free Direct Transformation of Aryl Boronic Acid to Primary Amines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200508] [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)
- Puneet Kumar
- Babasaheb Bhimrao Ambedkar University School for Physical Sciences Chemistry INDIA
| | - Saumya Verma
- Babasaheb Bhimrao Ambedkar University School for Physical Sciences Chemistry INDIA
| | - Komal Rathi
- Banasthali Vidyapith: Banasthali University Chemistry INDIA
| | - Dinesh Chandra
- Babasaheb Bhimrao Ambedkar University School for Physical Sciences Chemistry INDIA
| | | | - Jawahar L. Jat
- Babasaheb Bhimrao Ambedkar University Chemistry Vidya ViharRaebareli Road226025 226025 Lucknow INDIA
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7
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Volochnyuk DM, Gorlova AO, Grygorenko OO. Saturated Boronic Acids, Boronates, and Trifluoroborates: An Update on Their Synthetic and Medicinal Chemistry. Chemistry 2021; 27:15277-15326. [PMID: 34499378 DOI: 10.1002/chem.202102108] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Indexed: 12/13/2022]
Abstract
This review discusses recent advances in the chemistry of saturated boronic acids, boronates, and trifluoroborates. Applications of the title compounds in the design of boron-containing drugs are surveyed, with special emphasis on α-amino boronic derivatives. A general overview of saturated boronic compounds as modern tools to construct C(sp3 )-C and C(sp3 )-heteroatom bonds is given, including recent developments in the Suzuki-Miyaura and Chan-Lam cross-couplings, single-electron-transfer processes including metallo- and organocatalytic photoredox reactions, and transformations of boron "ate" complexes. Finally, an attempt to summarize the current state of the art in the synthesis of saturated boronic acids, boronates, and trifluoroborates is made, with a brief mention of the "classical" methods (transmetallation of organolithium/magnesium reagents with boron species, anti-Markovnikov hydroboration of alkenes, and the modification of alkenyl boron compounds) and a special focus on recent methodologies (boronation of alkyl (pseudo)halides, derivatives of carboxylic acids, alcohols, and primary amines, boronative C-H activation, novel approaches to alkene hydroboration, and 1,2-metallate-type rearrangements).
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Affiliation(s)
- Dmitriy M Volochnyuk
- Enamine Ltd. (www.enamine.net), Chervonotkatska 78, Kyiv, 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyiv, 01601, Ukraine.,Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kyiv, 02094, Ukraine
| | - Alina O Gorlova
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska Street 5, Kyiv, 02094, Ukraine
| | - Oleksandr O Grygorenko
- Enamine Ltd. (www.enamine.net), Chervonotkatska 78, Kyiv, 02094, Ukraine.,Taras Shevchenko National University of Kyiv, Volodymyrska Street 60, Kyiv, 01601, Ukraine
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8
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Prasad S, Rodene DD, Burkholder MB, Donald KJ, Gupton BF. Substituent Effects and the Energetics of Noncatalyzed Aryl Halide Aminations: A Theoretical Investigation. ACS OMEGA 2021; 6:27216-27224. [PMID: 34693141 PMCID: PMC8529657 DOI: 10.1021/acsomega.1c03934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/24/2021] [Indexed: 06/13/2023]
Abstract
We report the influence of substituents and physical conditions on activation energies for the noncatalyzed amination (C-N cross-coupling reactions) of aryl halides. We uncover a significant correlation between the barrier heights of the C-N bond formation and Hammett σ parameters-a formal measure of the electron-withdrawing or -donating ability of substituents on the aryl halides. Our results indicate that such correlations are useful predictive tools for the amination of aryl halides over a wide range of substituent types. From 54 cases studied (six substituents occupying specific positions relative to halogen atoms), the 2-COOHPhI + NH2 n Pr amination reaction is predicted to possess the lowest noncatalyzed activation free energy (135.6 kJ mol-1) using the B3LYP method. The lower barriers for the 2-COOHPhX (for X = Cl, Br, and I) compounds are shown to originate from collusion between steric and electronic effects-specifically, the momentary formation of a hydrogen bond between an oxygen site on the ortho-COOH and the lone pair of the entering amine. Internal reaction coordinate (IRC) path calculations afforded us these and other key insights into the nature of the reactions. The control exerted by substituents on the arrangement of the transition state structure, as well as the sensitivity of the reaction barriers to temperature and solvent polarity, are discussed. These results offer new perspectives from which to assess the nature of the C-N bond formation and suggest new avenues for future exploration, especially in progress toward the metal-free amination of aryl compounds.
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Affiliation(s)
- Supreeth Prasad
- Department
of Chemistry, University of California—Davis, Davis, California 95616, United States
| | - Dylan D. Rodene
- Department
of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Michael B. Burkholder
- Department
of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Kelling J. Donald
- Department
of Chemistry, University of Richmond, Richmond, Virginia 23173, United States
| | - B. Frank Gupton
- Department
of Chemical and Life Science Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, United States
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9
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Bezerra MM, Leão RA, Miranda LS, de Souza RO. A brief history behind the most used local anesthetics. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131628] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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10
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Kapoor M, Singh A, Sharma K, Hua Hsu M. Site‐Selective C(
sp
3
)−H and C(
sp
2
)−H Functionalization of Amines Using a Directing‐Group‐Guided Strategy. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000689] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Mohit Kapoor
- Chitkara University Institute of Engineering and Technology Chitkara University Punjab India 140401
| | - Adhish Singh
- Chitkara University Institute of Engineering and Technology Chitkara University Punjab India 140401
| | - Kirti Sharma
- Chitkara University Institute of Engineering and Technology Chitkara University Punjab India 140401
| | - Ming Hua Hsu
- Department of Chemistry National Changhua University of Education Taiwan 500, R.O.C Changhua
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11
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Liu X, Zhu Q, Chen D, Wang L, Jin L, Liu C. Aminoazanium of DABCO: An Amination Reagent for Alkyl and Aryl Pinacol Boronates. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913388] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Xingxing Liu
- College of Chemical EngineeringZhejiang University of Technology Hangzhou 310014 P. R. China
- State Key Laboratory for Oxo Synthesis and Selective OxidationSuzhou Research InstituteLanzhou Institute of Chemical PhysicsChinese Academy of Sciences Lanzhou 730000 P. R. China
| | - Qing Zhu
- State Key Laboratory for Oxo Synthesis and Selective OxidationSuzhou Research InstituteLanzhou Institute of Chemical PhysicsChinese Academy of Sciences Lanzhou 730000 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Du Chen
- State Key Laboratory for Oxo Synthesis and Selective OxidationSuzhou Research InstituteLanzhou Institute of Chemical PhysicsChinese Academy of Sciences Lanzhou 730000 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Lu Wang
- State Key Laboratory for Oxo Synthesis and Selective OxidationSuzhou Research InstituteLanzhou Institute of Chemical PhysicsChinese Academy of Sciences Lanzhou 730000 P. R. China
| | - Liqun Jin
- College of Chemical EngineeringZhejiang University of Technology Hangzhou 310014 P. R. China
| | - Chao Liu
- State Key Laboratory for Oxo Synthesis and Selective OxidationSuzhou Research InstituteLanzhou Institute of Chemical PhysicsChinese Academy of Sciences Lanzhou 730000 P. R. China
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of EducationHangzhou Normal University Hangzhou 311121 P. R. China
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12
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Liu X, Zhu Q, Chen D, Wang L, Jin L, Liu C. Aminoazanium of DABCO: An Amination Reagent for Alkyl and Aryl Pinacol Boronates. Angew Chem Int Ed Engl 2020; 59:2745-2749. [PMID: 31814182 DOI: 10.1002/anie.201913388] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Indexed: 01/21/2023]
Abstract
The aminoazanium of DABCO (H2 N-DABCO) has been developed as a general and practical amination reagent for the direct amination of alkyl and aryl pinacol boronates. This compound is stable and practical for use as a reagent. Various primary, secondary. and tertiary alkyl-Bpin and aryl-Bpin substrates were aminated to give the corresponding amine derivatives. The amination is stereospecific. The anti-Markovnikov hydroamination of olefins was easily achieved by catalytic hydroboration with HBpin and in subsequent situ amination using H2 N-DABCO. Moreover, the combination of 1,2-diboration of olefins, using B2 pin2 , with this amination process achieved the unprecedented 1,2-diamination of olefins. The amination protocol was also successfully extended to aryl pinacol boronates.
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Affiliation(s)
- Xingxing Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.,State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Qing Zhu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Du Chen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Lu Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Liqun Jin
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, P. R. China
| | - Chao Liu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China.,Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, P. R. China
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13
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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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14
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Yang Q, Yang Z, Tan Y, Zhao J, Sun Q, Zhang H, Zhang Y. Direct C(
sp
2
)−H Amination to Synthesize Primary 3‐aminoquinoxalin‐2(1
H
)‐ones under Simple and Mild Conditions. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801661] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Qiming Yang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Zibing Yang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Yushi Tan
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Jiquan Zhao
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Qian Sun
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Hong‐Yu Zhang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Yuecheng Zhang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
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15
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Edelstein EK, Grote AC, Palkowitz MD, Morken JP. A Protocol for Direct Stereospecific Amination of Primary, Secondary, and Tertiary Alkylboronic Esters. Synlett 2018; 29:1749-1752. [PMID: 30631220 DOI: 10.1055/s-0037-1610172] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The direct, stereospecific amination of alkylboronic and borinic esters can be conducted by treatment of the organoboron compound with methoxyamine and potassium tert-butoxide. In addition to being stereospecific, this process also enables the direct amination of tertiary boronic esters in an efficient fashion.
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Affiliation(s)
- Emma K Edelstein
- Department of Chemistry, Boston College, Chestnut Hill, MA 02467
| | - Andrea C Grote
- Department of Chemistry, Boston College, Chestnut Hill, MA 02467
| | | | - James P Morken
- Department of Chemistry, Boston College, Chestnut Hill, MA 02467
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16
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Kumar Y, Jaiswal Y, Thakur R, Kumar A. A Straightforward Synthesis of α
-Amino Diaryl Ketones from (Hetero)Arylacetonitriles Promoted by N
-Bromosuccinimide. ChemistrySelect 2018. [DOI: 10.1002/slct.201801073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yogesh Kumar
- Department of Chemistry; Indian Institute of Technology Patna; Bihta 801103 Bihar India
| | - Yogesh Jaiswal
- Department of Chemistry; Indian Institute of Technology Patna; Bihta 801103 Bihar India
| | - Rima Thakur
- Department of Chemistry; National Institute of Technology Patna; Patna- 800005 Bihar India
| | - Amit Kumar
- Department of Chemistry; Indian Institute of Technology Patna; Bihta 801103 Bihar India
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17
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Georgiádes Á, Ötvös SB, Fülöp F. Controlled Transformations of Aryl Halides in a Flow System: Selective Synthesis of Aryl Azides and Aniline Derivatives. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701539] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ádám Georgiádes
- Institute of Pharmaceutical Chemistry; University of Szeged; Eötvös u. 6, H- 6720 Szeged Hungary
| | - Sándor B. Ötvös
- Institute of Pharmaceutical Chemistry; University of Szeged; Eötvös u. 6, H- 6720 Szeged Hungary
- MTA-SZTE Stereochemistry Research Group; Hungarian Academy of Sciences; Eötvös u. 6, H- 6720 Szeged Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry; University of Szeged; Eötvös u. 6, H- 6720 Szeged Hungary
- MTA-SZTE Stereochemistry Research Group; Hungarian Academy of Sciences; Eötvös u. 6, H- 6720 Szeged Hungary
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Laha JK, Kaur Hunjan M, Bhimpuria RA, Kathuria D, Bharatam PV. Geometry Driven Intramolecular Oxidative Cyclization of Enamides: An Umpolung Annulation of Primary Benzamides with Acrylates for the Synthesis of 3-Methyleneisoindolin-1-ones. J Org Chem 2017. [PMID: 28650166 DOI: 10.1021/acs.joc.7b00966] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Joydev K. Laha
- Department
of Pharmaceutical Technology (Process Chemistry), ‡Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research, S. A.
S. Nagar, Punjab 160062, India
| | - Mandeep Kaur Hunjan
- Department
of Pharmaceutical Technology (Process Chemistry), ‡Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research, S. A.
S. Nagar, Punjab 160062, India
| | - Rohan A. Bhimpuria
- Department
of Pharmaceutical Technology (Process Chemistry), ‡Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research, S. A.
S. Nagar, Punjab 160062, India
| | - Deepika Kathuria
- Department
of Pharmaceutical Technology (Process Chemistry), ‡Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research, S. A.
S. Nagar, Punjab 160062, India
| | - Prasad V. Bharatam
- Department
of Pharmaceutical Technology (Process Chemistry), ‡Department of Medicinal
Chemistry, National Institute of Pharmaceutical Education and Research, S. A.
S. Nagar, Punjab 160062, India
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19
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Recent Advances in Cyanamide Chemistry: Synthesis and Applications. Molecules 2017; 22:molecules22040615. [PMID: 28417938 PMCID: PMC6154562 DOI: 10.3390/molecules22040615] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 04/06/2017] [Accepted: 04/07/2017] [Indexed: 11/17/2022] Open
Abstract
The application of alkyl and aryl substituted cyanamides in synthetic chemistry has diversified multi-fold in recent years. In this review, we discuss recent advances (since 2012) in the chemistry of cyanamides and detail their application in cycloaddition chemistry, aminocyanation reactions, as well as electrophilic cyanide-transfer agents and their unique radical and coordination chemistry.
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20
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Chatterjee N, Goswami A. Synthesis and Application of Cyclic Diaryliodonium Salts: A Platform for Bifunctionalization in a Single Step. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601651] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nachiketa Chatterjee
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road; 140001 Rupnagar Punjab India
| | - Avijit Goswami
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road; 140001 Rupnagar Punjab India
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21
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Liu J, Wu K, Shen T, Liang Y, Zou M, Zhu Y, Li X, Li X, Jiao N. Fe-Catalyzed Amination of (Hetero)Arenes with a Redox-Active Aminating Reagent under Mild Conditions. Chemistry 2016; 23:563-567. [DOI: 10.1002/chem.201605476] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 11/23/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Jianzhong Liu
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Kai Wu
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Tao Shen
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Yujie Liang
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Miancheng Zou
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Yuchao Zhu
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Xinwei Li
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Xinyao Li
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs; School of Pharmaceutical Sciences Peking University; Xue Yuan Rd. 38 Beijing 100191 P. R. China
- State Key Laboratory of Organometallic Chemistry; Chinese Academy of Sciences; Shanghai 200032 P. R. China
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22
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Chatterjee N, Goswami A. Diverse Transformations of Boronic Compounds Promoted by Hypervalent Organoiodines(III): Unique Combined Reactivity of Two Electrophilic Compounds. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600780] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Nachiketa Chatterjee
- Indian Institute of Technology Ropar; Nangal Road Rupnagar, Punjab - 140001 India
| | - Avijit Goswami
- Indian Institute of Technology Ropar; Nangal Road Rupnagar, Punjab - 140001 India
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