1
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Maidich L, Pilo MI, Rourke JP, Clarkson GJ, Canu P, Stoccoro S, Zucca A. Classical vs. Non-Classical Cyclometalated Pt(II) Complexes. Molecules 2022; 27:7249. [PMID: 36364075 PMCID: PMC9654721 DOI: 10.3390/molecules27217249] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 09/10/2023] Open
Abstract
Rollover cyclometalated complexes constitute a family of derivatives which differ from classical cyclometalated species in certain aspects. Various potential application fields have been developed for both classes of compounds, which have both similarities and differences. In order to uncover the relationships and distinctions between these two families of compounds, four Pt(II) cyclometalated complexes derived from 2-phenylpyridine (ppy) and 2,2'-bipyridine (bpy), assumed as prototypical ligands, were compared. For this study, an electron rich isostructural and isoelectronic pair of compounds, [Pt(N^C)Me(PPh3)], and an electron-poorer compound, [Pt(N^C)Cl(PPh3)] were chosen (N^C = ppy or bpy). DFT calculations, cyclic voltammetry, and UV-Vis spectra also helped to shed light into these species. Due to the presence of the more electronegative nitrogen in place of a C-H group, the rollover bpy-H ligand becomes a slightly weaker donor than the classical ppy-H ligand, and hence, generates (slightly) more stable cyclometalated complexes, lower energy frontier molecular orbitals, and electron-poorer platinum centers. On the whole, it was revealed that classical and rollover complexes have overall structural similarity, which contrasts to their somewhat different chemical behavior.
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Affiliation(s)
- Luca Maidich
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Maria I. Pilo
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Jonathan P. Rourke
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK
| | - Guy J. Clarkson
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK
| | - Patrizia Canu
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Sergio Stoccoro
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Antonio Zucca
- Department of Chemical, Physical, Mathematical and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
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2
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Ravindar L, Hasbullah SA, Hassan NI, Qin HL. Cross‐Coupling of C‐H and N‐H Bonds: a Hydrogen Evolution Strategy for the Construction of C‐N Bonds. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200596] [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)
- Lekkala Ravindar
- Universiti Kebangsaan Malaysia Fakulti Teknologi dan Sains Maklumat Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Siti Aishah Hasbullah
- Universiti Kebangsaan Malaysia Fakulti Sains dan Teknologi Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Nurul Izzaty Hassan
- Universiti Kebangsaan Malaysia Fakulti Sains dan Teknologi Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Hua-Li Qin
- Wuhan University of Technology School of Chemistry 430070 Hubei CHINA
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3
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Beletskaya IP, Averin AD. Metal-catalyzed reactions for the C(sp2)–N bond formation: achievements of recent years. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr4999] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Abstract
The review deals with the main catalytic methods for the C(sp2)–N bond formation, including Buchwald–Hartwig palladium-catalyzed amination of aryl and heteroaryl halides, renaissance of the Ullmann chemistry, i.e., the application of catalysis by copper complexes to form the carbon–nitrogen bond, and Chan–Lam reactions of (hetero)arylboronic acids with amines. Also, oxidative amination with C–H activation, which has been booming during the last decade, is addressed. Particular attention is paid to achievements in the application of heterogenized catalysts.
The bibliography includes 350 references.
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4
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Wen S, Du Y, Liu Y, Cui X, Liu Q, Zhou H. Access to 2‐Arylquinazolin‐4(3H)‐ones through Intramolecular Oxidative C(sp
3
)−H/N−H Cross‐Coupling Mediated by I
2
/DMSO. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Simiaomiao Wen
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Yifan Du
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Yiwen Liu
- Wufeng Chicheng Biotech Co., Ltd. 443413 Yichang China
| | - Xiaofeng Cui
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Qixing Liu
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Haifeng Zhou
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
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5
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Umadevi N, Kumar G, Reddy NG, Reddy BS. Recent Advances in C–H Activation and Functionalization of Quinazolinones/ Quinazolines. CURR ORG CHEM 2021. [DOI: 10.2174/1385272824999201210180732] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This review summarizes the transition metal-catalyzed direct C–H functionalization
of quinazolinones and quinazolines through C-C, C-N and C-O bond formations. It focuses
mainly on the C-H (sp<sup>2</sup> or sp<sup>3</sup>) bond arylation, amination, sulfamidation, acetoxylation,
halogenation, annulation of quinazolinones and quinazolines. This review illustrates the scope
of C-H activation and functionalization of various quinazolinone and quinazoline derivatives.
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Affiliation(s)
- N. Umadevi
- Indian Institute of Chemical Technology, Hyderabad, India
| | - G. Kumar
- Department of Chemistry, Yogi Vemana University, Kadapa, Andhra Pradesh, India
| | - N.C. Gangi Reddy
- Department of Chemistry, Yogi Vemana University, Kadapa, Andhra Pradesh, India
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6
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Zucca A, Pilo MI. Rollover Cyclometalation as a Valuable Tool for Regioselective C-H Bond Activation and Functionalization. Molecules 2021; 26:E328. [PMID: 33435257 PMCID: PMC7827749 DOI: 10.3390/molecules26020328] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/03/2021] [Accepted: 01/04/2021] [Indexed: 01/31/2023] Open
Abstract
Rollover cyclometalation constitutes a particular case of cyclometallation reaction. This reaction occurs when a chelated heterocyclic ligand loses its bidentate coordination mode and undergoes an internal rotation, after which a remote C-H bond is regioselectively activated, affording an uncommon cyclometalated complex, called "rollover cyclometalated complex". The key of the process is the internal rotation of the ligand, which occurs before the C-H bond activation and releases from coordination a donor atom. The new "rollover" ligand has peculiar properties, being a ligand with multiple personalities, no more a spectator in the reactivity of the complex. The main reason of this peculiarity is the presence of an uncoordinated donor atom (the one initially involved in the chelation), able to promote a series of reactions not available for classic cyclometalated complexes. The rollover reaction is highly regioselective, because the activated C-H bond is usually in a symmetric position with respect to the donor atom which detaches from the metal stating the rollover process. Due to this novel behavior, a series of potential applications have appeared in the literature, in fields such as catalysis, organic synthesis, and advanced materials.
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Affiliation(s)
- Antonio Zucca
- Department of Chemistry and Pharmacy, University of Sassari, via Vienna 2, 07100 Sassari, Italy;
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7
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Xing Z, Wu W, Miao Y, Tang Y, Zhou Y, Zheng L, Fu Y, Song Z, Peng Y. Recent advances in quinazolinones as an emerging molecular platform for luminescent materials and bioimaging. Org Chem Front 2021. [DOI: 10.1039/d0qo01425g] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This review summarized recent advances relating to the luminescence properties of quinazolinones and their applications in fluorescent probes, biological imaging and luminescent materials. Their future outlook is also included.
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Affiliation(s)
- Zhiming Xing
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Wanhui Wu
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Yongxiang Miao
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Yingqun Tang
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Youkang Zhou
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Lifang Zheng
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Yang Fu
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Zhibin Song
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
| | - Yiyuan Peng
- Key Laboratory of Functional Small Organic Molecules
- Ministry of Education
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
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8
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Hwang SH, Choi TL. Iridium-Catalyzed Direct C-H Amidation Producing Multicolor Fluorescent Molecules Emitting Blue-to-Red Light and White Light. Org Lett 2020; 22:2935-2940. [PMID: 32243176 DOI: 10.1021/acs.orglett.0c00618] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
We report a powerful strategy, iridium-catalyzed direct C-H amidation (DCA) for synthesizing various fluorescent sulfonamides that emit light over the entire visible spectrum with excellent efficiency (up to 99% yields). By controlling electronic characters of the resulting sulfonamides, a wide range of blue-to-red emissions was predictably obtained via an excited-state intramolecular proton-transfer process. Furthermore, we even succeeded in a white-light generation, highlighting that this DCA is an excellent synthetic method to prepare a library of fluorophores.
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Affiliation(s)
- Soon-Hyeok Hwang
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Tae-Lim Choi
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
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9
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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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10
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Nie B, Wu W, Zhang Y, Jiang H, Zhang J. Recent advances in the synthesis of bridgehead (or ring-junction) nitrogen heterocycles via transition metal-catalyzed C–H bond activation and functionalization. Org Chem Front 2020. [DOI: 10.1039/d0qo00510j] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
An update on recent advances in the synthesis of bridgehead nitrogen fused heterocycles via transition metal-catalyzed C–H activation and functionalization is reported.
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Affiliation(s)
- Biao Nie
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
| | - Yingjun Zhang
- State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357)
- Sunshine Lake Pharma Co
- Ltd
- HEC R&D Center
- Dongguan, 523871
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
| | - Ji Zhang
- State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357)
- Sunshine Lake Pharma Co
- Ltd
- HEC R&D Center
- Dongguan, 523871
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11
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Ghosh P, Ganguly B, Das S. C–H functionalization of quinazolinones by transition metal catalysis. Org Biomol Chem 2020; 18:4497-4518. [DOI: 10.1039/d0ob00742k] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Quinazolinone and its derivatives are an important class of heterocyclic scaffolds in pharmaceuticals and natural products. This review provides the recent research advances in the transition metal catalyzed selective C–H bond functionalization of quinazolinone.
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Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
| | - Bhaskar Ganguly
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
| | - Sajal Das
- Department of Chemistry
- University of North Bengal
- Darjeeling – 734013
- India
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12
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Reddy MM, Sivaramakrishna A. Remarkably flexible quinazolinones—synthesis and biological applications. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3844] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Manne Madhava Reddy
- Department of Chemistry, School of Advanced SciencesVellore Institute of Technology (VIT) Vellore Tamil Nadu India
| | - Akella Sivaramakrishna
- Department of Chemistry, School of Advanced SciencesVellore Institute of Technology (VIT) Vellore Tamil Nadu India
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13
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Devkota S, Lee H, Kim SH, Lee YR. Direct Construction of Diverse Polyheterocycles Bearing Pyrrolidinediones via Rh(III)‐Catalyzed Cascade C−H Activation/Spirocyclization. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901019] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Shreedhar Devkota
- School of Chemical EngineeringYeungnam University Gyeongsan 38541 Republic of Korea
| | - Ha‐Jin Lee
- Western Seoul Center, Korea Basic Science Institute 150 Bugahyun-ro, Seoudaemun-gu Seoul 03759 Republic of Korea
| | - Sung Hong Kim
- Analysis Research DivisionDaegu Center, Korea Basic Science Institute Daegu 41566 Republic of Korea
| | - Yong Rok Lee
- School of Chemical EngineeringYeungnam University Gyeongsan 38541 Republic of Korea
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14
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Romero AH. Fused Heteroaromatic Rings via Metal-Mediated/Catalyzed Intramolecular C–H Activation: A Comprehensive Review. Top Curr Chem (Cham) 2019; 377:21. [DOI: 10.1007/s41061-019-0246-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/22/2019] [Indexed: 12/22/2022]
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15
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Dabiri M, Lehi NF, Movahed SK, Khavasi HR. Palladium Catalyzed Cross
-Dehydrogenative Coupling/Annulation Reaction: A Practical and Efficient Approach to Hydroxyisoindolo[1,2-b
]quinazolinone. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900417] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Minoo Dabiri
- Faculty of Chemistry and Petroleum Sciences; Shahid Beheshti University, Tehran Province; District 1, Daneshjou Boulevard Tehran 1983969411 Iran
| | - Noushin Farajinia Lehi
- Faculty of Chemistry and Petroleum Sciences; Shahid Beheshti University, Tehran Province; District 1, Daneshjou Boulevard Tehran 1983969411 Iran
| | - Siyavash Kazemi Movahed
- Faculty of Chemistry and Petroleum Sciences; Shahid Beheshti University, Tehran Province; District 1, Daneshjou Boulevard Tehran 1983969411 Iran
| | - Hamid Reza Khavasi
- Faculty of Chemistry and Petroleum Sciences; Shahid Beheshti University, Tehran Province; District 1, Daneshjou Boulevard Tehran 1983969411 Iran
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16
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Zhang Y, Shao Y, Gong J, Zhu J, Cheng T, Chen J. Selenium-Catalyzed Oxidative C–H Amination of (E)-3-(Arylamino)-2-styrylquinazolin-4(3H)-ones: A Metal-Free Synthesis of 1,2-Diarylpyrazolo[5,1-b]quinazolin-9(1H)-ones. J Org Chem 2019; 84:2798-2807. [DOI: 10.1021/acs.joc.8b03179] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Yetong Zhang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yinlin Shao
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Julin Gong
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jianghe Zhu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Tianxing Cheng
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China
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17
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Rohokale RS, Kalshetti RG, Ramana CV. Iridium(III)-Catalyzed Alkynylation of 2-(Hetero)arylquinazolin-4-one Scaffolds via C–H Bond Activation. J Org Chem 2019; 84:2951-2961. [DOI: 10.1021/acs.joc.8b02738] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Rajendra S. Rohokale
- CSIR−National Chemical Laboratory, Division of Organic Chemistry, Dr. Homi Bhabha Road, Pune 411008, India
| | - Rupali G. Kalshetti
- CSIR−National Chemical Laboratory, Division of Organic Chemistry, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research, New Delhi 110025, India
| | - Chepuri V. Ramana
- CSIR−National Chemical Laboratory, Division of Organic Chemistry, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research, New Delhi 110025, India
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18
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Viveki AB, Mhaske SB. Ruthenium-Catalyzed Regioselective Alkenylation/Tandem Hydroamidative Cyclization of Unmasked Quinazolinones Using Terminal Alkynes. J Org Chem 2018; 83:8906-8913. [DOI: 10.1021/acs.joc.8b01143] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Timsina YN, Gupton BF, Ellis KC. Palladium-Catalyzed C–H Amination of C(sp2) and C(sp3)–H Bonds: Mechanism and Scope for N-Based Molecule Synthesis. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01168] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yam N. Timsina
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298-0540, United States
| | - B. Frank Gupton
- Department of Chemical and Life Sciences Engineering, School of Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Keith C. Ellis
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, Virginia 23298-0540, United States
- The Institute for Structural Biology, Drug Discovery, and Development, Virginia Commonwealth University, Richmond, Virginia 23219, United States
- Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia 23298-0037, United States
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20
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Hu K, Ye P, Zhen Q, Yao X, Xu T, Shao Y, Chen J. Efficient Approach to Carbinol Derivatives through Palladium-Catalyzed Base-Free Addition of Aryltriolborates to Aldehydes. Molecules 2017; 22:molecules22091580. [PMID: 28930180 PMCID: PMC6151780 DOI: 10.3390/molecules22091580] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 09/15/2017] [Accepted: 09/20/2017] [Indexed: 11/30/2022] Open
Abstract
Palladium-catalyzed base-free addition of aryltriolborates to aldehydes has been developed, leading to a wide range of carbinol derivatives in good to excellent yields. The efficiency of this transformation was demonstrated by compatibility with a wide range of functional groups. The present synthetic route to carbinol derivatives could be readily scaled up to gram quantity without difficulty. Thus, this method represents a simple and practical procedure to access carbinol derivatives.
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Affiliation(s)
- Kun Hu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Pengqing Ye
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Qianqian Zhen
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Xinrong Yao
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Tong Xu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Yinlin Shao
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
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21
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Garad DN, Viveki AB, Mhaske SB. Pd-Catalyzed Regioselective Mono-Arylation: Quinazolinone as the Inherent Directing Group for C(sp2)–H Activation. J Org Chem 2017; 82:6366-6372. [DOI: 10.1021/acs.joc.7b00948] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dnyaneshwar N. Garad
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
| | - Amol B. Viveki
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
| | - Santosh B. Mhaske
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune 411 008, India
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22
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Lee JY, Shim JY, Kim HK, Ko D, Baik MH, Yoo EJ. 3,5-Diarylimidazo[1,2-a]pyridines as Color-Tunable Fluorophores. J Org Chem 2017; 82:4352-4361. [PMID: 28350465 DOI: 10.1021/acs.joc.7b00358] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new protocol for the synthesis of color-tunable fluorescent 3,5-diarylimidazo[1,2-a]pyridines has been achieved via palladium-catalyzed C-H amination of pyridinium zwitterions. Based on experimental results and computational analysis, we extracted a high correlation of photophysical properties with the theoretical concept and predicted emission wavelengths of 3,5-diarylimidazo[1,2-a]pyridines. The emission wavelengths of imidazo[1,2-a]pyridines increase as a function of the electron-withdrawing nature of the substituent on the C5-aryl group of imidazo[1,2-a]pyridine as a result of inductive effects on the LUMO levels. Varying the substituent on the C3-aryl group imidazo[1,2-a]pyridine changes the HOMO levels. Combining these two sites, the HOMO and LUMO levels can be tuned fairly decoupled from each other. This conceptual trend is demonstrated across a series where the C3 and C5 positions were functionalized independently and then utilizes a combination strategy where both sites are used to prepare fluorophores with a large window of emission wavelengths. In view of the biological properties of imidazo[1,2-a]pyridines, the developed method provides an efficient approach for understanding and preparing strongly fluorescent bioprobes.
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Affiliation(s)
- Ju Young Lee
- Department of Chemistry, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon 24341, South Korea
| | - Jae Yul Shim
- Department of Chemistry, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon 24341, South Korea
| | - Hong Ki Kim
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) , Daejeon 34141, South Korea.,Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, South Korea
| | - Donguk Ko
- Department of Chemistry, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon 24341, South Korea
| | - Mu-Hyun Baik
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) , Daejeon 34141, South Korea.,Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, South Korea
| | - Eun Jeong Yoo
- Department of Chemistry, Kangwon National University , 1 Kangwondaehak-gil, Chuncheon 24341, South Korea
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23
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Štefane B, Brodnik Žugelj H, Grošelj U, Kuzman P, Svete J, Požgan F. Quinazoline-Directed C-H Bond Functionalization Catalyzed by Ruthenium(II) Carboxylate - Construction of Polyconjugated Aryl-Heteroaryl Systems. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700097] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bogdan Štefane
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 -1000 Ljubljana Slovenia
| | - Helena Brodnik Žugelj
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 -1000 Ljubljana Slovenia
| | - Uroš Grošelj
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 -1000 Ljubljana Slovenia
| | - Petra Kuzman
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 -1000 Ljubljana Slovenia
| | - Jurij Svete
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 -1000 Ljubljana Slovenia
| | - Franc Požgan
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 -1000 Ljubljana Slovenia
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24
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Guo S, Zhai J, Fan X. An I 2-mediated cascade reaction of 2'-bromoacetophenones with benzohydrazides/benzamides leading to quinazolino[3,2-b]cinnoline or tryptanthrin derivatives. Org Biomol Chem 2017; 15:1521-1529. [PMID: 28116380 DOI: 10.1039/c6ob02699k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and facile protocol for the synthesis of quinazolinone-fused tetracyclic compounds through an iodine-mediated one-pot cascade reaction of 2'-bromoacetophenones with 2-aminobenzohydrazides or 2-aminobenzamides is reported. With 2-aminobenzohydrazides as the substrates, the reaction gave 5H-quinazolino[3,2-b]cinnoline-7,13-diones in moderate to good yields under metal-catalyst-free conditions. With 2-aminobenzamides as the substrates and CuBr as the catalyst, on the other hand, it afforded tryptanthrin derivatives with good efficiency. Mechanistically, the formation of the tetracyclic systems is initiated by iodination and oxidation of 2'-bromoacetophenones followed by a cascade procedure consisting of cyclocondensation, aromatization and intramolecular cyclization of the in situ formed 2-bromoarylglyoxals with 2-aminobenzohydrazides or 2-aminobenzamides, respectively.
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Affiliation(s)
- Shenghai Guo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Jianhui Zhai
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Xuesen Fan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
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25
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Park Y, Kim Y, Chang S. Transition Metal-Catalyzed C-H Amination: Scope, Mechanism, and Applications. Chem Rev 2017; 117:9247-9301. [PMID: 28051855 DOI: 10.1021/acs.chemrev.6b00644] [Citation(s) in RCA: 1544] [Impact Index Per Article: 220.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Catalytic transformation of ubiquitous C-H bonds into valuable C-N bonds offers an efficient synthetic approach to construct N-functionalized molecules. Over the last few decades, transition metal catalysis has been repeatedly proven to be a powerful tool for the direct conversion of cheap hydrocarbons to synthetically versatile amino-containing compounds. This Review comprehensively highlights recent advances in intra- and intermolecular C-H amination reactions utilizing late transition metal-based catalysts. Initial discovery, mechanistic study, and additional applications were categorized on the basis of the mechanistic scaffolds and types of reactions. Reactivity and selectivity of novel systems are discussed in three sections, with each being defined by a proposed working mode.
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Affiliation(s)
- Yoonsu Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute of Basic Science (IBS) , Daejeon 34141, Republic of Korea
| | - Youyoung Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute of Basic Science (IBS) , Daejeon 34141, Republic of Korea
| | - Sukbok Chang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) , Daejeon 34141, Republic of Korea.,Center for Catalytic Hydrocarbon Functionalizations, Institute of Basic Science (IBS) , Daejeon 34141, Republic of Korea
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26
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Yu S, Hu K, Gong J, Qi L, Zhu J, Zhang Y, Cheng T, Chen J. Palladium-catalyzed tandem addition/cyclization in aqueous medium: synthesis of 2-arylindoles. Org Biomol Chem 2017; 15:4300-4307. [DOI: 10.1039/c7ob00572e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pd-catalyzed tandem reaction of potassium aryltrifluoroborates with nitriles for the synthesis of 2-arylindoles in aqueous medium.
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Affiliation(s)
- Shuling Yu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Kun Hu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Julin Gong
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Linjun Qi
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Jianghe Zhu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Yetong Zhang
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Tianxing Cheng
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
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27
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Qiao R, Ye L, Hu K, Yu S, Yang W, Liu M, Chen J, Ding J, Wu H. Copper-catalyzed C–O bond cleavage and cyclization: synthesis of indazolo[3,2-b]quinazolinones. Org Biomol Chem 2017; 15:2168-2173. [DOI: 10.1039/c6ob02352e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Cu-catalyzed sequential inert C–O bond cleavage followed by intramolecular C–N bond formation for the synthesis of indazolo[3,2-b]quinazolinones.
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Affiliation(s)
- Rui Qiao
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Leping Ye
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou 325000
- P. R. China
| | - Kun Hu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Shuling Yu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Weiguang Yang
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Miaochang Liu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Jinchang Ding
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
| | - Huayue Wu
- College of Chemistry & Materials Engineering
- Wenzhou University
- Wenzhou 325035
- P. R. China
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28
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Pang Y, Guan M, Zeng R, Zhao Y. A practical approach for the synthesis of oxindole and isatin derivatives by Pd-catalyzed intramolecular amination. Org Chem Front 2017. [DOI: 10.1039/c7qo00710h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A highly efficient approach for the selective synthesis of bioactive oxindole/isatin-N-acetamide derivatives via Pd-catalyzed intramolecular amination has been developed.
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Affiliation(s)
- Yubo Pang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Mingyu Guan
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Runsheng Zeng
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
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29
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Qi L, Hu K, Yu S, Zhu J, Cheng T, Wang X, Chen J, Wu H. Tandem Addition/Cyclization for Access to Isoquinolines and Isoquinolones via Catalytic Carbopalladation of Nitriles. Org Lett 2016; 19:218-221. [DOI: 10.1021/acs.orglett.6b03499] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Linjun Qi
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Kun Hu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Shuling Yu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Jianghe Zhu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Tianxing Cheng
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Xiaodong Wang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
| | - Huayue Wu
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China
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30
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Ramezanpour S, Balalaie S, Rominger F. Stereoselective synthesis of tetrazolo- spiroquinazolinone derivatives through one-pot pseudo six-component reaction. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.046] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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31
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Maidich L, Cinellu MA, Cocco F, Stoccoro S, Sedda M, Galli S, Zucca A. Platinum(II), palladium(II) and gold(III) adducts and cyclometalated derivatives of 6-methoxy-2,2′-bipyridine: A comparative study. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.06.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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32
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Chavan SP, Bhanage BM. Carbonylation of Anthranilic Acid with Aryl and Heteroaryl Bromides to Synthesize Benzoxazinone Derivatives. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600253] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sujit P. Chavan
- Department of Chemistry; Institute of Chemical Technology; N. Parekh Marg, Matunga Mumbai- 400019 India
| | - Bhalchandra M. Bhanage
- Department of Chemistry; Institute of Chemical Technology; N. Parekh Marg, Matunga Mumbai- 400019 India
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33
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Copper-catalyzed synthesis of 1-amino-5-arylindazolo[3,2- b ]quinazolin-7(5 H )-ones via a ring-opening reaction of 4-halogenated isatin. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.05.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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34
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Roopan SM, Palaniraja J. Synthesis of indazoloquinazoline system (microreview). Chem Heterocycl Compd (N Y) 2016. [DOI: 10.1007/s10593-016-1838-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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35
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Liu M, Shu M, Yao C, Yin G, Wang D, Huang J. Synthesis of Pyrido-Fused Quinazolinone Derivatives via Copper-Catalyzed Domino Reaction. Org Lett 2016; 18:824-7. [DOI: 10.1021/acs.orglett.6b00113] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Meilin Liu
- Hubei Collaborative
Innovation
Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant
Analysis and Reuse Technology, Hubei Normal University, Huangshi 435002, People’s Republic of China
| | - Miaomiao Shu
- Hubei Collaborative
Innovation
Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant
Analysis and Reuse Technology, Hubei Normal University, Huangshi 435002, People’s Republic of China
| | - Chaochao Yao
- Hubei Collaborative
Innovation
Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant
Analysis and Reuse Technology, Hubei Normal University, Huangshi 435002, People’s Republic of China
| | - Guodong Yin
- Hubei Collaborative
Innovation
Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant
Analysis and Reuse Technology, Hubei Normal University, Huangshi 435002, People’s Republic of China
| | - Dunjia Wang
- Hubei Collaborative
Innovation
Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant
Analysis and Reuse Technology, Hubei Normal University, Huangshi 435002, People’s Republic of China
| | - Jinkun Huang
- Hubei Collaborative
Innovation
Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant
Analysis and Reuse Technology, Hubei Normal University, Huangshi 435002, People’s Republic of China
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36
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Jiao J, Murakami K, Itami K. Catalytic Methods for Aromatic C–H Amination: An Ideal Strategy for Nitrogen-Based Functional Molecules. ACS Catal 2015. [DOI: 10.1021/acscatal.5b02417] [Citation(s) in RCA: 406] [Impact Index Per Article: 45.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Jiao Jiao
- Institute
of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of
Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Kei Murakami
- Institute
of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of
Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Kenichiro Itami
- Institute
of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of
Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
- JST,
ERATO, Itami Molecular Nanocarbon Project, Nagoya University, Chikusa, Nagoya 464-8602, Japan
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37
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Godeau J, Harari M, Laclef S, Deau E, Fruit C, Besson T. Cu/Pd-Catalyzed C-2-H Arylation of Quinazolin-4(3H)-ones with (Hetero)aryl Halides. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501129] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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38
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Acharya A, Kumar SV, Ila H. Diversity-Oriented Synthesis of Substituted Benzo[b]thiophenes and Their Hetero-Fused Analogues through Palladium-Catalyzed Oxidative CH Functionalization/Intramolecular Arylthiolation. Chemistry 2015; 21:17116-25. [DOI: 10.1002/chem.201501828] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Indexed: 01/03/2023]
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39
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Stoccoro S, Maidich L, Ruiu T, Cinellu MA, Clarkson GJ, Zucca A. Chiral cyclometalation of 6-(1-phenylbenzyl)-2,2'-bipyridine. Dalton Trans 2015; 44:18001-11. [PMID: 26407175 DOI: 10.1039/c5dt02483h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new bipyridine ligand, 6-(1-phenylbenzyl)-2,2'-bipyridine, has been prepared by a multistep synthesis starting from the corresponding substituted pyridine. The coordinating properties of the new ligand have been tested with two d(8) metal ions, Pt(ii) and Pd(ii), to give the cyclometalated complexes [Pt(N,N,C)Cl] and [Pd(N,N,C)Cl], where N,N,C is a terdentate deprotonated bipyridine containing a new stereogenic carbon atom directly generated by C-H bond activation. The single-crystal of the platinum complex has been solved by X-ray diffraction. DFT calculations confirm the presence of a PtH interaction that stabilizes one of the two possible conformers by 14.7 kJ mol(-1) for Pt and 12.9 kJ mol(-1) for Pd. The energy barrier to pass from one conformer to the other is 25.4 and 23.8 kJ mol(-1) respectively. Under different reaction conditions, regioselective activation of a pyridine C-H bond gave the less common cyclometalated rollover complex [Pt(L-H)Me(DMSO)], which was isolated and characterised.
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Affiliation(s)
- Sergio Stoccoro
- Dipartimento di Chimica e Farmacia, Università degli Studi di Sassari, via Vienna 2, 07100 Sassari, Italy.
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40
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Jin LK, Wan L, Feng J, Cai C. Nickel-Catalyzed Regioselective Cross-Dehydrogenative Coupling of Inactive C(sp3)–H Bonds with Indole Derivatives. Org Lett 2015; 17:4726-9. [DOI: 10.1021/acs.orglett.5b02217] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Li-Kun Jin
- Chemical
Engineering College, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China
| | - Li Wan
- Biotechnology
and Pharmaceutical Engineering College, Nanjing Tech University, Nanjing 211816, People’s Republic of China
| | - Jie Feng
- Chemical
Engineering College, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China
| | - Chun Cai
- Chemical
Engineering College, Nanjing University of Science and Technology, Nanjing 210094, People’s Republic of China
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41
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Zhou Y, Ren Y, Zhang L, You L, Yuan Y, Anslyn EV. Dynamic covalent binding and chirality sensing of mono secondary amines with a metal-templated assembly. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.121] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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42
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Laclef S, Harari M, Godeau J, Schmitz-Afonso I, Bischoff L, Hoarau C, Levacher V, Fruit C, Besson T. Ligand-free Pd-catalyzed and copper-assisted C-H arylation of quinazolin-4-ones with aryl iodides under microwave heating. Org Lett 2015; 17:1700-3. [PMID: 25781369 DOI: 10.1021/acs.orglett.5b00467] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A microwave-assisted method for the palladium-catalyzed direct arylation of quinazolin-4-one has been developed under copper-assistance. This method is applicable to a wide range of aryl iodides and substituted (2H)-quinazolin-4-ones. This protocol provides a simple and efficient way to synthesize biologically relevant 2-arylquinazolin-4-one backbones.
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Affiliation(s)
- Sylvain Laclef
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Marine Harari
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Julien Godeau
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Isabelle Schmitz-Afonso
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Laurent Bischoff
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Christophe Hoarau
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Vincent Levacher
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Corinne Fruit
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
| | - Thierry Besson
- Normandie Univ, COBRA, UMR 6014 et FR 3038; Univ Rouen; INSA Rouen; CNRS, IRCOF, 1 rue Tesnière, 76821 Mont Saint Aignan Cedex, France
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Zhao G, Chen C, Yue Y, Yu Y, Peng J. Palladium(II)-catalyzed sequential C-H arylation/aerobic oxidative C-H amination: one-pot synthesis of benzimidazole-fused phenanthridines from 2-arylbenzimidazoles and aryl halides. J Org Chem 2015; 80:2827-34. [PMID: 25658883 DOI: 10.1021/jo502632b] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Starting from 2-arylbenzimidazoles and aryl halides, an efficient palladium-based catalytic method for the synthesis of benzimidazole-fused phenanthridines has been developed. This reaction sequence comprises intermolecular C-H arylation and intramolecular aerobic oxidative C-H amination, involving the rupture of two C-H bonds, one C-X bond, and one N-H bond in one pot. The Pd(II)-Pd(IV)-Pd(II) and Pd(II)-Pd(0)-Pd(II) catalytic cycles work together under the reported conditions to generate phenanthridines with diverse substituents.
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Affiliation(s)
- Gongyuan Zhao
- Department of Chemistry and Chemical Engineering, College of Science, Northeast Forestry University , NO. 26 Hexing Road, Harbin 150040, P. R. China
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Cajaraville A, Suárez J, López S, Varela JA, Saá C. Rh(iii)-catalyzed [5+1] oxidative cycloaddition of arylguanidines with alkynes: a novel access to C4-disubstituted 1,4-dihydroquinazolin-2-amines. Chem Commun (Camb) 2015; 51:15157-60. [DOI: 10.1039/c5cc06388d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel and mild RhIII-catalyzed [5+1] oxidative cycloaddition between arylguanidines and alkynes efficiently affords C4-disubstituted 1,4-dihydroquinazolin-2-amines.
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Affiliation(s)
- Ana Cajaraville
- Departamento de Química Orgánica y Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS)
- Universidad de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
| | - Jaime Suárez
- Departamento de Química Orgánica y Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS)
- Universidad de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
| | - Susana López
- Departamento de Química Orgánica y Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS)
- Universidad de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
| | - Jesús A. Varela
- Departamento de Química Orgánica y Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS)
- Universidad de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
| | - Carlos Saá
- Departamento de Química Orgánica y Centro Singular de Investigación en Química Biológica y Materiales Moleculares (CIQUS)
- Universidad de Santiago de Compostela
- 15782 Santiago de Compostela
- Spain
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Yang W, Qiao R, Chen J, Huang X, Liu M, Gao W, Ding J, Wu H. Palladium-Catalyzed Cascade Reaction of 2-Amino-N'-arylbenzohydrazides with Triethyl Orthobenzoates To Construct Indazolo[3,2-b]quinazolinones. J Org Chem 2014; 80:482-9. [PMID: 25437529 DOI: 10.1021/jo5024848] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A palladium-catalyzed sequential cyclization/C-H activation cascade reaction of 2-amino-N'-arylbenzohydrazides with triethyl orthobenzoates has been developed, providing indazolo[3,2-b]quinazolinones in good to high yields. Two key intermediates of the reaction, 2-phenyl-3-(phenylamino)quinazolinone and C-H insertion palladacycle, were isolated, and their structures were unambiguously confirmed by X-ray crystallography. This method represents an unprecedented example of a halogen-free protocol to access indazolo[3,2-b]quinazolinones. Moreover, this chemistry also provides a useful tool for the discovery of fluorescent materials.
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Affiliation(s)
- Weiguang Yang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Rui Qiao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jiuxi Chen
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Xiaobo Huang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Miaochang Liu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Wenxia Gao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jinchang Ding
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Huayue Wu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
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