1
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Qu R, Wan S, Zhang X, Wang X, Xue L, Wang Q, Cheng GJ, Dai L, Lian Z. Mechanical-Force-Induced Non-spontaneous Dehalogenative Deuteration of Aromatic Iodides Enabled by Using Piezoelectric Materials as a Redox Catalyst. Angew Chem Int Ed Engl 2024; 63:e202400645. [PMID: 38687047 DOI: 10.1002/anie.202400645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/25/2024] [Accepted: 04/30/2024] [Indexed: 05/02/2024]
Abstract
The development of green and efficient deuteration methods is of great significance for various fields such as organic synthesis, analytical chemistry, and medicinal chemistry. Herein, we have developed a dehalogenative deuteration strategy using piezoelectric materials as catalysts in a solid-phase system under ball-milling conditions. This non-spontaneous reaction is induced by mechanical force. D2O can serve as both a deuterium source and an electron donor in the transformation, eliminating the need for additional stoichiometric exogenous reductants. A series of (hetero)aryl iodides can be transformed into deuterated products with high deuterium incorporation. This method not only effectively overcomes existing synthetic challenges but can also be used for deuterium labelling of drug molecules and derivatives. Bioactivity experiments with deuterated drug molecule suggest that the D-ipriflavone enhances the inhibitory effects on osteoclast differentiation of BMDMs in vitro.
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Affiliation(s)
- Ruiling Qu
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Shan Wan
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Xuemei Zhang
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Xiaohong Wang
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Li Xue
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Qingqing Wang
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Gui-Juan Cheng
- Warshel Institute for Computational Biology, School of Life and Health Sciences, School of Medicine, The Chinese University of Hong Kong (Shenzhen), Shenzhen, 518172, P. R. China
| | - Lunzhi Dai
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
- General Practice Ward/International Medical Center Ward, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
| | - Zhong Lian
- Department of Dermatology, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, P. R. China
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2
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Zhou R, Fan S, Fang L, Chu B, Zhu J. Rh(III)-Catalyzed N-Amino-Directed C-H Coupling with 3-Methyleneoxetan-2-ones for 1,2-Dihydroquinoline-3-carboxylic Acid Synthesis. Org Lett 2023. [PMID: 37996082 DOI: 10.1021/acs.orglett.3c03610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
Dynamic polarity analysis is proposed herein as a general tool for investigating static polarity and transient polarity and revealing expanded reactivity patterns. Through this analysis formalism, polarity matching has been established for Rh(III)-catalyzed N-amino-directed C-H coupling with 3-methyleneoxetan-2-ones, providing efficient access to 1,2-dihydroquinoline-3-carboxylic acids. The identified reaction, by virtue of the internal oxidative mechanism, showcases mild reaction conditions (room temperature), a short reaction time (2 h), and a generally high product yield.
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Affiliation(s)
- Renpeng Zhou
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Shuaixin Fan
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Lili Fang
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Benfa Chu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
| | - Jin Zhu
- Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China
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3
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Bhaduri N, Pawar AB. Redox-neutral C-H annulation strategies for the synthesis of heterocycles via high-valent Cp*Co(III) catalysis. Org Biomol Chem 2023; 21:3918-3941. [PMID: 37128760 DOI: 10.1039/d3ob00133d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
A variety of biologically active molecules, pharmaceuticals, and natural products consist of a nitrogen-containing heterocyclic backbone. The majority of them are isoquinolones, indoles, isoquinolines, etc.; thereby the synthesis and derivatization of such heterocycles are synthetically very relevant. Also, certain naphthol derivatives have high synthetic utility as agrochemicals and in dye industries. Previous approaches have utilized ruthenium, rhodium, or iridium which may not be desirable due to the high toxicity, low abundance, and high cost of such 4d and 5d metals. Moreover, the need for an external oxidant during the reaction also adds by-products to the system. A high-valent cobalt-catalyzed redox-neutral C-H functionalization strategy has emerged to be a far better alternative in this regard. The use of the non-noble metal cobalt allows for selectivity and specificity in product formation. Also, the redox-neutral concept avoids the use of an external oxidant either due to the presence of a metal in a non-variable oxidation state throughout the catalytic cycle or due to the presence of an oxidizing directing group or an oxidizing coupling partner. Such an oxidizing directing group not only directs the catalyst to a specific reaction site by chelation but also regenerates the catalyst at the end of the cycle. Certain bonds such as N-O, N-N, N-Cl, N-S, and C-S are the main game-players behind the oxidizing property of such directing groups. In the other case, the directing group only chelates the catalyst to a reaction center, whereas the oxidation is carried out by the upcoming group/coupling partner. Overall, merging the redox-neutral concept with the high-valent cobalt catalysis is paving the way forward toward a sustainable and environmentally friendly approach. This review critically describes the mechanistic understanding, scope, limitations, and synthesis of various biologically relevant heterocycles via the redox-neutral concept in the high-valent Cp*Co(III)-catalyzed C-H functionalization chemistry domain.
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Affiliation(s)
- Nilanjan Bhaduri
- School of Chemical Sciences, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh, 175005, India.
| | - Amit B Pawar
- School of Chemical Sciences, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh, 175005, India.
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4
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Alférez MG, Moreno JJ, Maya C, Campos J. Polarized Au(I)/Rh(I) bimetallic pairs cooperatively trigger ligand non-innocence and bond activation. Dalton Trans 2023; 52:3835-3845. [PMID: 36866716 PMCID: PMC10029337 DOI: 10.1039/d3dt00410d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 02/21/2023] [Indexed: 02/24/2023]
Abstract
The combination of molecular metallic fragments of contrasting Lewis character offers many possibilities for cooperative bond activation and for the disclosure of unusual reactivity. Here we provide a systematic investigation on the partnership of Lewis basic Rh(I) compounds of type [(η5-L)Rh(PR3)2] (η5-L = (C5Me5)- or (C9H7)-) with highly congested Lewis acidic Au(I) species. For the cyclopentadienyl Rh(I) compounds, we demonstrate the non-innocent role of the typically robust (C5Me5)- ligand through migration of a hydride to the Rh site and provide evidence for the direct implication of the gold fragment in this unusual bimetallic ligand activation event. This process competes with the formation of dinuclear Lewis adducts defined by a dative Rh → Au bond, with selectivity being under kinetic control and tunable by modifying the stereoelectronic and chelating properties of the phosphine ligands bound to the two metals. We provide a thorough computational study on the unusual Cp* non-innocent behavior and the divergent bimetallic pathways observed. The cooperative FLP-type reactivity of all bimetallic pairs has been investigated and computationally examined for the case of N-H bond activation in ammonia.
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Affiliation(s)
- Macarena G Alférez
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, Avenida Américo Vespucio 49, 41092 Sevilla, Spain.
| | - Juan J Moreno
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, Avenida Américo Vespucio 49, 41092 Sevilla, Spain.
| | - Celia Maya
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, Avenida Américo Vespucio 49, 41092 Sevilla, Spain.
| | - Jesús Campos
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC) and University of Sevilla, Avenida Américo Vespucio 49, 41092 Sevilla, Spain.
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Silva TRC, Souza VV, Raminelli C. Synthesis of Isoquinolines via the [4+2] Cycloaddition Reaction of Oxazoles and Arynes. ChemistrySelect 2022. [DOI: 10.1002/slct.202203039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tamiris R. C. Silva
- Instituto de Ciências Ambientais Químicas e Farmacêuticas Universidade Federal de São Paulo Rua Prof. Artur Riedel, 275 Diadema SP 09972-270 Brazil
| | - Vinícius V. Souza
- Instituto de Ciências Ambientais Químicas e Farmacêuticas Universidade Federal de São Paulo Rua Prof. Artur Riedel, 275 Diadema SP 09972-270 Brazil
| | - Cristiano Raminelli
- Instituto de Ciências Ambientais Químicas e Farmacêuticas Universidade Federal de São Paulo Rua Prof. Artur Riedel, 275 Diadema SP 09972-270 Brazil
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6
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Yan W, Luo H, Wu Q, Liu L, Li J, Wei J. Cp*Rh III-Catalyzed Cascade Annulation of Arylimidates with Pyridotriazoles toward Isoquinolin-3-ol Derivatives. J Org Chem 2022; 87:10858-10868. [PMID: 35948053 DOI: 10.1021/acs.joc.2c01164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A Cp*RhIII-catalyzed efficient synthesis of isoquinolin-3-ol derivatives bearing a pyridinyl ring using imidate as a directing group under C-H activation strategy with pyridotriazoles as carbene reagents is reported. In this reaction, cascade C-H activation, regioselective cyclization, and elimination occur in one pot. The present methodology featured a good range of functional group tolerance and furnished the target products in moderate-to-excellent yields.
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Affiliation(s)
- Weidan Yan
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Hong Luo
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Qiling Wu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Liansheng Liu
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Jing Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Junfa Wei
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
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7
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [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)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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8
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Liu B, Wang G, Xu Z, Wang M, Nie Y, Luo Z. Ionic liquid/boronic acid system enabled deuteration with D2O. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Das Adhikari GK, Pati BV, Mohanty SR, Prusty N, Ravikumar PC. Co(II) Catalysed C‐H/N‐H Annulation of Cyclic Alkenes with Benzamides at Room Temperature; An Easy Access to the Core Skeleton of Hexahydrobenzo[c]phenanthridine type‐Alkaloids. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200150] [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)
| | | | | | - Namrata Prusty
- National Institute of Science Education and Research Chemical Science INDIA
| | - Ponneri C. Ravikumar
- National Institute of Science Education and Research School of Chemical Sciences NISER Jatni Campus 752050 Bhubaneswar INDIA
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10
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Das Adhikari GK, Pati BV, Nanda T, Biswal P, Banjare SK, Ravikumar PC. Co(II)-Catalyzed C-H/N-H Annulation of Cyclic Alkenes with Indole-2-carboxamides at Room Temperature: One-Step Access to β-Carboline-1-one Derivatives. J Org Chem 2022; 87:4438-4448. [PMID: 35226810 DOI: 10.1021/acs.joc.1c02716] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report herein a cobalt-catalyzed 8-aminoquinoline-directed highly regio- and stereoselective C-H/N-H activation annulation of indole-2-carboxamides with 1,2-dihydronaphthalene for the synthesis of β-carboline-1-one derivatives at room temperature. A cheaper and commercially available cobalt catalyst has been used for this transformation. The protocol tolerates a wide range of functionalities, affording β-carboline-1-one derivatives in good yields. An initial mechanistic study revealed a reversible cyclometalation to be operative.
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Affiliation(s)
- Gopal Krushna Das Adhikari
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar, Odisha 752050, India
| | - Bedadyuti Vedvyas Pati
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar, Odisha 752050, India
| | - Tanmayee Nanda
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar, Odisha 752050, India
| | - Pragati Biswal
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar, Odisha 752050, India
| | - Shyam Kumar Banjare
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar, Odisha 752050, India
| | - Ponneri C Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar, Odisha 752050, India
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11
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Henriques DSG, Rojo‐Wiechel E, Klare S, Mika R, Höthker S, Schacht JH, Schmickler N, Gansäuer A. Titanocene(III)‐Catalyzed Precision Deuteration of Epoxides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Dina Schwarz G. Henriques
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Elena Rojo‐Wiechel
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Sven Klare
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Regine Mika
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Sebastian Höthker
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Jonathan H. Schacht
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Niklas Schmickler
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
| | - Andreas Gansäuer
- Kekulé-Institut für Organische Chemie und Biochemie Universität Bonn Gerhard-Domagk-Straße 1 53121 Bonn Germany
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12
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Guerzoni MG, van Ingen Y, Melen RL. Recent applications of fluorinated arylborane derivatives. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2022. [DOI: 10.1016/bs.adomc.2022.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Lin XL, Yu Y, Zhang L, Leng LJ, Xiao DR, Cai T, Luo QL. Switchable synthesis of 1,4-bridged dihydroisoquinoline-3-ones and isoquinoline-1,3,4-triones through radical oxidation of isoquinolinium salts with phenyliodine( iii) diacetate. Org Chem Front 2022. [DOI: 10.1039/d2qo00887d] [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
A switchable synthesis of 1,4-bridged dihydroisoquinoline-3-ones and isoquinoline-1,3,4-triones is developed via radical oxidation of isoquinolinium salts with PhI(OAc)2.
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Affiliation(s)
- Xiao-Long Lin
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yan Yu
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Liang Zhang
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Li-Jing Leng
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Dong-Rong Xiao
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Tian Cai
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
- Key Laboratory of Applied Chemistry of Chongqing Municipality, Southwest University, Chongqing 400715, China
| | - Qun-Li Luo
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
- Key Laboratory of Applied Chemistry of Chongqing Municipality, Southwest University, Chongqing 400715, China
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14
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Zhai R, Xu D, Bai L, Wang S, Kong D, Chen X. Synthesis of Isoquinolines via Rh(III)‐Catalyzed C−H Annulation of Primary Benzylamines with α‐Cl Ketones. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ruirui Zhai
- Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs School of Pharmacy Hainan Medical University Haikou 571199 P. R. China
| | - Dan Xu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs School of Pharmacy Hainan Medical University Haikou 571199 P. R. China
| | - Lili Bai
- Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs School of Pharmacy Hainan Medical University Haikou 571199 P. R. China
| | - Shuojin Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs School of Pharmacy Hainan Medical University Haikou 571199 P. R. China
| | - Dulin Kong
- Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs School of Pharmacy Hainan Medical University Haikou 571199 P. R. China
| | - Xun Chen
- Key Laboratory of Tropical Translational Medicine of Ministry of Education Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs School of Pharmacy Hainan Medical University Haikou 571199 P. R. China
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15
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Henriques DSG, Rojo-Wiechel E, Klare S, Mika R, Höthker S, Schacht JH, Schmickler N, Gansäuer A. Titanocene(III)-Catalyzed Precision Deuteration of Epoxides. Angew Chem Int Ed Engl 2021; 61:e202114198. [PMID: 34845824 PMCID: PMC9305931 DOI: 10.1002/anie.202114198] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Indexed: 12/13/2022]
Abstract
We describe a titanocene(III)-catalyzed deuterosilylation of epoxides that provides β-deuterated anti-Markovnikov alcohols with excellent D-incorporation, in high yield, and often excellent diastereoselectivity after desilylation. The key to the success of the reaction is a novel activation method of Cp2 TiCl2 and (tBuC5 H4 )2 TiCl2 with BnMgBr and PhSiD3 to provide [(RC5 H4 )2 Ti(III)D] without isotope scrambling. It was developed after discovering an off-cycle scrambling with the previously described method. Our precision deuteration can be applied to the synthesis of drug precursors and highlights the power of combining radical chemistry with organometallic catalysis.
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Affiliation(s)
- Dina Schwarz G Henriques
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Elena Rojo-Wiechel
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Sven Klare
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Regine Mika
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Sebastian Höthker
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Jonathan H Schacht
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Niklas Schmickler
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
| | - Andreas Gansäuer
- Kekulé-Institut für Organische Chemie und Biochemie, Universität Bonn, Gerhard-Domagk-Straße 1, 53121, Bonn, Germany
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16
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Ghosh S, Shilpa S, Athira C, Sunoj RB. Role of Additives in Transition Metal Catalyzed C–H Bond Activation Reactions: A Computational Perspective. Top Catal 2021. [DOI: 10.1007/s11244-021-01527-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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17
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Jha N, Khot NP, Kapur M. Transition-Metal-Catalyzed C-H Bond Functionalization of Arenes/Heteroarenes via Tandem C-H Activation and Subsequent Carbene Migratory Insertion Strategy. CHEM REC 2021; 21:4088-4122. [PMID: 34647679 DOI: 10.1002/tcr.202100193] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 12/20/2022]
Abstract
The past decade has witnessed tremendous developments in transition-metal-catalyzed C-H bond activation and subsequent carbene migratory insertion reactions, thus assisting in the construction of diverse arene/heteroarene scaffolds. Various transition-metal catalysts serve this purpose and provide efficient pathways for an easy access to substituted heterocycles. A brief introduction to metal-carbenes has been provided along with key mechanistic pathways underlying the coupling reactions. The purpose of this review is to provide a concise knowledge about diverse directing group-assisted coupling of varied arenes/heteroarenes and acceptor-acceptor/donor-acceptor diazo compounds. The review also highlights the synthesis of various carbocycles and fused heterocycles through diazo insertion pathways, via C-C, C-N and C-O bond forming reactions. The mechanism usually involves a C-H activation process, followed by diazo insertion leading to subsequent coupling.
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Affiliation(s)
- Neha Jha
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhauri, Bhopal, 462066, Madhya Pradesh, India
| | - Nandkishor Prakash Khot
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhauri, Bhopal, 462066, Madhya Pradesh, India
| | - Manmohan Kapur
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal Bhauri, Bhopal, 462066, Madhya Pradesh, India
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18
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Bera S, Roy S, Pal SC, Anoop A, Samanta R. Iridium(III)-Catalyzed Intermolecular Mild N-Arylation of Aliphatic Amides Using Quinoid Carbene: A Migratory Insertion-Based Approach. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02653] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Satabdi Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Saikat Roy
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Shyam Chand Pal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Anakuthil Anoop
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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19
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Mandal R, Garai B, Sundararaju B. Cp*Co III-Catalyzed C(7)-H Bond Annulation of Indolines with Alkynes. J Org Chem 2021; 86:9407-9417. [PMID: 34213334 DOI: 10.1021/acs.joc.1c00713] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
An efficient protocol for the synthesis of biologically essential pyrroloquinolinones has been developed under Cp*CoIII catalysis, which involves a cascade reaction of C(7)-H alkenylation with alkynes followed by nucleophilic addition. A wide variety of internal alkynes including enyne, diyne, and ynamide and more challenging terminal alkynes were successfully employed for the annulation in good to excellent yield with high regioselectivity.
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Affiliation(s)
- Rajib Mandal
- Fine Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India 208016
| | - Bholanath Garai
- Fine Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India 208016
| | - Basker Sundararaju
- Fine Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India 208016
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20
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Organophotocatalytic selective deuterodehalogenation of aryl or alkyl chlorides. Nat Commun 2021; 12:2894. [PMID: 34001911 PMCID: PMC8129137 DOI: 10.1038/s41467-021-23255-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/30/2021] [Indexed: 12/23/2022] Open
Abstract
Development of practical deuteration reactions is highly valuable for organic synthesis, analytic chemistry and pharmaceutic chemistry. Deuterodehalogenation of organic chlorides tends to be an attractive strategy but remains a challenging task. We here develop a photocatalytic system consisting of an aryl-amine photocatalyst and a disulfide co-catalyst in the presence of sodium formate as an electron and hydrogen donor. Accordingly, many aryl chlorides, alkyl chlorides, and other halides are converted to deuterated products at room temperature in air (>90 examples, up to 99% D-incorporation). The mechanistic studies reveal that the aryl amine serves as reducing photoredox catalyst to initiate cleavage of the C-Cl bond, at the same time as energy transfer catalyst to induce homolysis of the disulfide for consequent deuterium transfer process. This economic and environmentally-friendly method can be used for site-selective D-labeling of a number of bioactive molecules and direct H/D exchange of some drug molecules. Deuterodehalogenation of organic chlorides is a useful strategy to install deuterium atoms at specific positions, however, it has several drawbacks. In this study, the authors report an organophotocatalytic system consisting of an aryl-amine-based photocatalyst and a common disulfide co-catalyst, for efficient deuteration of a wide range of aryl chlorides, alkyl chlorides and other halides, at room temperature in air.
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21
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Shibata S, Masui Y, Onaka M. Efficient solvent-free synthesis of N-unsubstituted ketimines from ketones and ammonia on porous solid acids. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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22
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Direct synthesis of benzoxazinones via Cp*Co(III)-catalyzed C–H activation and annulation of sulfoxonium ylides with dioxazolones. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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23
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Liu M, Yan K, Wen J, Li X, Wang X, Lu F, Wang X, Wang H. Synthesis of Polysubstituted Phenols by Rhodium‐Catalyzed C−H/Diazo Coupling and Tandem Annulation. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001456] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Min Liu
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Kelu Yan
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Jiangwei Wen
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Xue Li
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Xiaoyu Wang
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Fengjie Lu
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Xiu Wang
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
| | - Hua Wang
- Institute of Medicine and Materials Applied Technologies College of Chemistry and Chemical Engineering Qufu Normal University Jining Shi Qufu 273165 P. R. China
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24
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Yu JT, Shan Y, Yuan C, Pan C. Iridium-catalyzed selective ortho C H carbenoid functionalization of N-aryl-7-azaindoles with diazotized Meldrum’s acid. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2020.152703] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Lee KR, Jung DJ, Ahn S, Kim JW, Lee SG. Catalyst-controlled divergent transformations of N-sulfonyl-1,2,3-triazoles into isoquinolin-3-ones and 2-aminoindanones. Org Biomol Chem 2021; 19:5093-5097. [PMID: 34037059 DOI: 10.1039/d1ob00708d] [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
Novel catalyst-controlled divergent intramolecular reactions of N-sulfonyl-1,2,3-triazoles with tethered-allylic alcohol have been developed. In the presence of the Pd(0) catalyst alone, 1-vinylated 1,4-dihydroisoquinolin-3-ones were formed, whereas 3-vinylated 2-aminoindanones were accessed under tandem, one-pot, Rh(ii)/Pd(0) dual catalytic conditions. Based on deuterium-labelling experiments and isolation of the intermediate, a plausible reaction mechanism has been proposed.
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Affiliation(s)
- Kyu Ree Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea.
| | - Da Jung Jung
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea.
| | - Subin Ahn
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea.
| | - Ji Won Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea.
| | - Sang-Gi Lee
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea.
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26
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Gujjarappa R, Vodnala N, Malakar CC. Comprehensive Strategies for the Synthesis of Isoquinolines: Progress Since 2008. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000658] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Raghuram Gujjarappa
- Department of Chemistry National Institute of Technology Manipur Imphal 795004 Manipur India
| | - Nagaraju Vodnala
- Department of Chemistry National Institute of Technology Manipur Imphal 795004 Manipur India
| | - Chandi C. Malakar
- Department of Chemistry National Institute of Technology Manipur Imphal 795004 Manipur India
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27
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Yan Q, Huang H, Zhang H, Li MH, Yang D, Song MP, Niu JL. Synthesis of 7-Amido Indolines by Cp*Co(III)-Catalyzed C–H Bond Amidation. J Org Chem 2020; 85:11190-11199. [DOI: 10.1021/acs.joc.0c01259] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Qingkai Yan
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Hai Huang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - He Zhang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Meng-Hui Li
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Dandan Yang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Mao-Ping Song
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Jun-Long Niu
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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28
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Wang CS, Di Monaco S, Thai AN, Rahman MS, Pang BP, Wang C, Yoshikai N. Cobalt/Lewis Acid Catalysis for Hydrocarbofunctionalization of Alkynes via Cooperative C-H Activation. J Am Chem Soc 2020; 142:12878-12889. [PMID: 32573213 DOI: 10.1021/jacs.0c06412] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A catalytic system comprising a cobalt-diphosphine complex and a Lewis acid (LA) such as AlMe3 has been found to promote hydrocarbofunctionalization reactions of alkynes with Lewis basic and electron-deficient substrates such as formamides, pyridones, pyridines and related azines, imidazo[1,2-a]pyridines, and azole derivatives through site-selective C-H activation. Compared with known Ni/LA catalytic systems for analogous transformations, the present catalytic systems not only feature convenient setup using inexpensive and bench-stable precatalyst and ligand such as Co(acac)3 and 1,3-bis(diphenylphosphino)propane (dppp) but also display distinct site-selectivity toward C-H activation of pyridone and pyridine derivatives. In particular, a completely C4-selective alkenylation of pyridine has been achieved for the first time. Meanwhile, the present catalytic system proved to promote exclusively C5-selective alkenylation of imidazo[1,2-a]pyridine derivatives. Mechanistic studies including DFT calculations on the Co/Al-catalyzed addition of formamide to alkyne have suggested that the reaction involves cleavage of the carbamoyl C-H bond as the rate-limiting step, which proceeds through a ligand-to-ligand hydrogen transfer (LLHT) mechanism leading to an alkenyl(carbamoyl)cobalt intermediate.
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Affiliation(s)
- Chang-Sheng Wang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Sabrina Di Monaco
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Anh Ngoc Thai
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Md Shafiqur Rahman
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Benjamin Piaoxiang Pang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Chen Wang
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.,Zhejiang Key Laboratory of Alternative Technologies for Fine Chemical Process, Shaoxing University, Shaoxing 312000, P. R. China
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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29
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Li Z, Xie J, Wu L, Suleman M, Lu P, Wang Y. Co(III)-catalyzed reaction between 3-diazoindolin-2-imines and 1-pyrimidinylindoles for the synthesis of 2,3′-biindoles. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131371] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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30
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Kim YL, Park SA, Kim JH. Cobalt-Catalyzed Direct C(sp2
)-H Alkylation with Unactivated Alkenes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000565] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ye Lim Kim
- Department of Chemistry (BK21 Plus).; Institution Research Institute of Natural Science; Gyeongsang National University; 52828 Jinju Korea
| | - Sun-a Park
- Department of Chemistry (BK21 Plus).; Institution Research Institute of Natural Science; Gyeongsang National University; 52828 Jinju Korea
| | - Ju Hyun Kim
- Department of Chemistry (BK21 Plus).; Institution Research Institute of Natural Science; Gyeongsang National University; 52828 Jinju Korea
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31
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Xie H, Jiang J, Wang J. Rhodium(III)‐Catalyzed C−H/N−H Functionalization with Hydrogen Evolution. Chemistry 2020; 26:7365-7368. [DOI: 10.1002/chem.202000950] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 03/18/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Hui Xie
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of Education School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Jijun Jiang
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of Education School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry, of Ministry of Education School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
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32
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Morisaki K, Morimoto H, Ohshima T. Recent Progress on Catalytic Addition Reactions to N-Unsubstituted Imines. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01212] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kazuhiro Morisaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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33
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Wang Y, Fang Z, Chen X, Wang Y. Dirhodium(II)-Catalyzed C(sp 2 )-H Azidation of Benzaldehydes. Chemistry 2020; 26:6805-6811. [PMID: 32045045 DOI: 10.1002/chem.201905855] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Indexed: 12/12/2022]
Abstract
Multiple steps are needed to achieve the C-H functional of aromatic aldehyde, since the C-H functional reaction usually occurs preferentially at the aldehydic C-H bond over the aryl C-H bond. We report an efficient azidation method mediated by dirhodium(II) catalysts to achieve the direct aryl azidation of aromatic aldehydes avoiding the simultaneous use of protected aldehydes and prefunctionalized arenes. The regioselectivity of this method is similar to those of typical aromatic electrophilic substitution reactions. The resulting azidobenzaldehyde products are versatile building blocks or precursors for the synthesis of many biologically active compounds. The mechanism studies indicate that the one-electron oxidative intermediate Rh2 (II,III) N3 is responsible for the azide transfer.
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Affiliation(s)
- Yi Wang
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
| | - Zaixiang Fang
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
| | - Xiaochuan Chen
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
| | - Yuanhua Wang
- College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China
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34
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Kumaran S, Parthasarathy K. Cobalt(III)-Catalyzed Synthesis of Fused Quinazolinones by C-H/N-H Annulation of 2-Arylquinazolinones with Alkynes. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901763] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Subramani Kumaran
- Department of Organic Chemistry; University of Madras; Guindy Campus -600025 Chennai Tamilnadu India
| | - Kanniyappan Parthasarathy
- Department of Organic Chemistry; University of Madras; Guindy Campus -600025 Chennai Tamilnadu India
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35
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Kou X, Kou KGM. α-Arylation of Silyl Enol Ethers via Rhodium(III)-Catalyzed C–H Functionalization. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05622] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Xuezhen Kou
- Department of Chemistry, University of California, Riverside, California 92507, United States
| | - Kevin G. M. Kou
- Department of Chemistry, University of California, Riverside, California 92507, United States
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36
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Das D, Sahoo G, Biswas A, Samanta R. Rh
III
‐Catalyzed Synthesis of Highly Substituted 2‐Pyridones using Fluorinated Diazomalonate. Chem Asian J 2020; 15:360-364. [DOI: 10.1002/asia.201901620] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Indexed: 01/13/2023]
Affiliation(s)
- Debapratim Das
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur 721302 India
| | - Gopal Sahoo
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur 721302 India
| | - Aniruddha Biswas
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur 721302 India
| | - Rajarshi Samanta
- Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur 721302 India
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37
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Bhat AH, Alavi S, Grover HK. Tandem Carbenoid C-H Functionalization/Conia-ene Cyclization of N-Propargyl Indoles Generates Pyrroloindoles under Cooperative Rh(II)/Zn(II) Catalysis. Org Lett 2020; 22:224-229. [PMID: 31854993 DOI: 10.1021/acs.orglett.9b04210] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The decomposition of diazodicarbonyl compounds in the presence of various metal catalysts has become a reliable method for the functionalization of indoles via carbenoid intermediates. Exploiting the nucleophilic reactivity of the in situ generated malonic ester product formed, we herein report a tandem C-H functionalization/Conia-ene cyclization of N-alkyne tethered indoles. This double functionalization of diazodicarbonyls generates a range of pyrrolo[1,2-a]-, pyrido[1,2-a]-, and azepino[1,2-a]indole products with good synthetic efficiency.
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Affiliation(s)
- Aabid H Bhat
- Department of Chemistry , Memorial University of Newfoundland , St. John's , Newfoundland A1B 3X7 , Canada
| | - Sima Alavi
- Department of Chemistry , Memorial University of Newfoundland , St. John's , Newfoundland A1B 3X7 , Canada
| | - Huck K Grover
- Department of Chemistry , Memorial University of Newfoundland , St. John's , Newfoundland A1B 3X7 , Canada
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38
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Richa, Kumar R, Zhang X, Su W. Direct remote δ-C(sp2)–H olefination of β-aryl-substituted aliphatic aldehydes via palladium/enamine co-catalysis. Org Chem Front 2020. [DOI: 10.1039/d0qo00911c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Palladium-catalyzed direct remote δ-C(sp2)–H olefination of β-aryl-substituted aliphatic aldehydes has been achieved using a catalytic amount of secondary amine (n-Bu)2NH as a co-catalyst.
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Affiliation(s)
- Richa
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- People's Republic of China
| | - Rajesh Kumar
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- People's Republic of China
| | - Xiaofeng Zhang
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- People's Republic of China
| | - Weiping Su
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- People's Republic of China
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39
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Kondo Y, Kadota T, Hirazawa Y, Morisaki K, Morimoto H, Ohshima T. Scandium(III) Triflate Catalyzed Direct Synthesis of N-Unprotected Ketimines. Org Lett 2019; 22:120-125. [PMID: 31854997 DOI: 10.1021/acs.orglett.9b04038] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
N-Unprotected ketimines are useful substrates and intermediates for synthesizing valuable nitrogen-containing compounds, but their potential applicability is limited by the available synthetic methods. To address this issue, we report a scandium(III) triflate catalyzed direct synthesis of N-unprotected ketimines. Using commercially available reagents and Lewis acid catalysts, ketones were directly transformed into the corresponding N-unprotected ketimines in high yields with broad functional group tolerance, even in multigram scales. The reactions were readily applicable for one-pot synthesis of important compounds such as a glycine Schiff base without isolation of N-unprotected ketimine intermediates. Preliminary mechanistic studies to clarify the reaction mechanism are also described.
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Affiliation(s)
- Yuta Kondo
- Graduate School of Pharmaceutical Sciences , Kyushu University , Maidashi 3-1-1 Higashi-ku , Fukuoka , Japan , 812-8582
| | - Tetsuya Kadota
- Graduate School of Pharmaceutical Sciences , Kyushu University , Maidashi 3-1-1 Higashi-ku , Fukuoka , Japan , 812-8582
| | - Yoshinobu Hirazawa
- Graduate School of Pharmaceutical Sciences , Kyushu University , Maidashi 3-1-1 Higashi-ku , Fukuoka , Japan , 812-8582
| | - Kazuhiro Morisaki
- Graduate School of Pharmaceutical Sciences , Kyushu University , Maidashi 3-1-1 Higashi-ku , Fukuoka , Japan , 812-8582
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences , Kyushu University , Maidashi 3-1-1 Higashi-ku , Fukuoka , Japan , 812-8582
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences , Kyushu University , Maidashi 3-1-1 Higashi-ku , Fukuoka , Japan , 812-8582
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40
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Wu P, He Y, Wang H, Zhou YG, Yu Z. Copper(II)-Catalyzed C–H Nitrogenation/Annulation Cascade of Ketene N,S-Acetals with Aryldiazonium Salts: A Direct Access to N2-Substituted Triazole and Triazine Derivatives. Org Lett 2019; 22:310-315. [DOI: 10.1021/acs.orglett.9b04335] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Ping Wu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Yuan He
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Hongmei Wang
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, P.R. China
| | - Yong-Gui Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P.R. China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P.R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, P.R. China
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41
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Xie S, Li S, Ma W, Xu X, Jin Z. Chelation-directed remote meta-C-H functionalization of aromatic aldehydes and ketones. Chem Commun (Camb) 2019; 55:12408-12411. [PMID: 31566641 DOI: 10.1039/c9cc05807a] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
We disclose herein the development of a versatile 1,2-diol directing template for palladium-catalyzed remote meta-C-H functionalization of aromatic aldehydes and ketones. In situ-generation of acetals and ketals, as well as removal afterwards, makes the C-H bond functionalization process more straightforward and efficient. This also represents the first example of chelation-directed meta-C-H functionalization of aromatic aldehydes and ketones.
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Affiliation(s)
- Shuguang Xie
- State Key Laboratory and Institute of Elementoorganic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China.
| | - Sen Li
- State Key Laboratory and Institute of Elementoorganic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China.
| | - Wenqian Ma
- State Key Laboratory and Institute of Elementoorganic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China.
| | - Xiaohua Xu
- State Key Laboratory and Institute of Elementoorganic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China.
| | - Zhong Jin
- State Key Laboratory and Institute of Elementoorganic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China.
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42
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Dong Y, Zhang X, Chen J, Zou W, Lin S, Xu H. Switching the site-selectivity of C-H activation in aryl sulfonamides containing strongly coordinating N-heterocycles. Chem Sci 2019; 10:8744-8751. [PMID: 31762973 PMCID: PMC6857669 DOI: 10.1039/c9sc03691a] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 08/12/2019] [Indexed: 11/21/2022] Open
Abstract
The limitations of arene C-H functionalization of aryl sulfonamides containing strongly coordinating N-heterocycles were overcome using a Rh(iii) catalyst. The site-selectivity of C-H carbenoid functionalization at the ortho position relative to either the sulfonamide or N-heterocycle directing groups was elegantly switched using solvents of different polarities and different additive concentrations. Importantly, sulfonamide-group-directed ortho-C-H carbenoid functionalization tolerated strongly coordinating N-heterocycles, including pyridine, pyrrole, thiazole, pyrimidine, and pyrazine. Density functional theory (DFT) calculations were performed to rationalize the reaction mechanisms and the influence of reaction polarity.
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Affiliation(s)
- Yi Dong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China . .,Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China
| | - XuePeng Zhang
- Lab of Computational and Drug Design , Peking University Shenzhen Graduate School , Shenzhen 518055 , China
| | - Jiajing Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China . .,Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China
| | - Wenxing Zou
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China . .,Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China
| | - Songwen Lin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China . .,Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China
| | - Heng Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China . .,Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation , Institute of Materia Medica , Chinese Academy of Medical Sciences , Peking Union Medical College , Beijing 100050 , China
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43
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Verma GK, Rawat M, Rawat DS. Cobalt-Catalysed C-C Bond Formation and [2+2+2] Annulation of 1,3-Dicarbonyls to Terminal Alkynes. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900725] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
| | - Manish Rawat
- Department of Chemistry; University of Delhi; Delhi - 110 007 India
| | - Diwan S. Rawat
- Department of Chemistry; University of Delhi; Delhi - 110 007 India
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44
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Kondo Y, Morisaki K, Hirazawa Y, Morimoto H, Ohshima T. A Convenient Preparation Method for Benzophenone Imine Catalyzed by Tetrabutylammonium Fluoride. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00226] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Yuta Kondo
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kazuhiro Morisaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yoshinobu Hirazawa
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan
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45
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Huang S, Li H, Sun X, Xu L, Wang L, Cui X. Rh(III)-Catalyzed Sequential C-H Amination/Annulation Cascade Reactions: Synthesis of Multisubstituted Benzimidazoles. Org Lett 2019; 21:5570-5574. [PMID: 31251630 DOI: 10.1021/acs.orglett.9b01902] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
An efficient and practical method to construct benzimidazoles via Rh(III)-catalyzed sequential C-H amination and annulation cascade reaction has been developed. The cascade reaction displays high step, atom, and redox economy, is compatible with the air, and has good functional group tolerance and high efficiency. The titled products can be easily further converted into imidazo[4,5-c]acridines, which were observed unique fluorescent properties.
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Affiliation(s)
- Siqi Huang
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences , Huaqiao University , Xiamen 361021 , PR China
| | - Huan Li
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences , Huaqiao University , Xiamen 361021 , PR China
| | - Xiangying Sun
- School of Material Science , Huaqiao University , Xiamen 361021 , PR China
| | - Linhua Xu
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences , Huaqiao University , Xiamen 361021 , PR China
| | - Lianhui Wang
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences , Huaqiao University , Xiamen 361021 , PR China
| | - Xiuling Cui
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences , Huaqiao University , Xiamen 361021 , PR China
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46
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Zhou C, Jiang J, Wang J. Three-Component Synthesis of Isoquinoline Derivatives by a Relay Catalysis with a Single Rhodium(III) Catalyst. Org Lett 2019; 21:4971-4975. [DOI: 10.1021/acs.orglett.9b01456] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Zhou
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Jijun Jiang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
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47
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Yu Y, Wu Q, Liu D, Hu L, Yu L, Tan Z, Zhu G. Synthesis of Benzofulvenes via Cp*Co(III)-Catalyzed C-H Activation and Carbocyclization of Aromatic Ketones with Internal Alkynes. J Org Chem 2019; 84:7449-7458. [PMID: 31083904 DOI: 10.1021/acs.joc.9b00595] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A highly efficient and practical synthesis of benzofulvenes was developed via ketone-directed Cp*Co(III)-catalyzed sequential C-H activation, addition, cyclization, and dehydration cascade processes between simple aromatic ketones and alkynes. The reaction tolerates a variety of functional groups, and various benzofulvenes were efficiently synthesized in 42-92% yields.
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Affiliation(s)
- Yongqi Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Qianlong Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Da Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Liang Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Lin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Ze Tan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Gangguo Zhu
- Department of Chemistry , Zhejiang Normal University , 688 Yingbin Road , Jinhua 321004 , China
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48
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Ling F, Xie Z, Chen J, Ai C, Shen H, Wang Z, Yi X, Zhong W. Cobalt(II)‐Catalyzed [5+2] C−H Annulation of
o
‐Arylanilines with Alkynes: An Expedient Route to Dibenzo‐[
b
,
d
]azepines. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900261] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Fei Ling
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Zhen Xie
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Jiachen Chen
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Chongren Ai
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Haiwei Shen
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Ze Wang
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Xiao Yi
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Weihui Zhong
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical SciencesZhejiang University of Technology Hangzhou 310014 People's Republic of China
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49
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50
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Dong C, Wu L, Yao J, Wei K. Palladium-Catalyzed β-C–H Arylation of Aliphatic Aldehydes and Ketones Using Amino Amide as a Transient Directing Group. Org Lett 2019; 21:2085-2089. [DOI: 10.1021/acs.orglett.9b00366] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cong Dong
- School of Chemical Science and Technology, Yunnan University, Kunming 650091 People’s Republic of China
| | - Liangfei Wu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091 People’s Republic of China
| | - Jianwei Yao
- School of Chemical Science and Technology, Yunnan University, Kunming 650091 People’s Republic of China
| | - Kun Wei
- School of Chemical Science and Technology, Yunnan University, Kunming 650091 People’s Republic of China
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