1
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Islam K, Bhunia BK, Mandal G, Nag B, Jaiswal C, Mandal BB, Kumar A. Room-Temperature, Copper-Free, and Amine-Free Sonogashira Reaction in a Green Solvent: Synthesis of Tetraalkynylated Anthracenes and In Vitro Assessment of Their Cytotoxic Potentials. ACS OMEGA 2023; 8:16907-16926. [PMID: 37214732 PMCID: PMC10193572 DOI: 10.1021/acsomega.3c00732] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023]
Abstract
The multifold Sonogashira coupling of a class of aryl halides with arylacetylene in the presence of an equivalent of Cs2CO3 has been accomplished using a combination of Pd(CH3CN)2Cl2 (0.5 mol %) and cataCXium A (1 mol %) under copper-free and amine-free conditions in a readily available green solvent at room temperature. The protocol was used to transform several aryl halides and alkynes to the corresponding coupled products in good to excellent yields. The rate-determining step is likely to involve the oxidative addition of Ar-X. The green protocol provides access to various valuable polycyclic aromatic hydrocarbons (PAHs) with exciting photophysical properties. Among them, six tetraalkynylated anthracenes have been tested for their anticancer properties on the human triple-negative breast cancer (TNBC) cell line MDA-MB-231 and human dermal fibroblasts (HDFs). The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed to find out the IC50 concentration and lethal dose. The compounds being intrinsically fluorescent, their cellular localization was checked by live cell fluorescence imaging. 4',6-Diamidino-2-phenylindole (DAPI) and propidium iodide (PI) staining was performed to check apoptosis and necrosis, respectively. All of these studies have shown that anthracene and its derivatives can induce cell death via DNA damage and apoptosis.
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Affiliation(s)
- Khadimul Islam
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, Assam, India
| | - Bibhas K. Bhunia
- Biomaterials
and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Gargi Mandal
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
| | - Bedabara Nag
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, Assam, India
| | - Chitra Jaiswal
- Biomaterials
and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Biman B. Mandal
- Biomaterials
and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
- Jyoti
and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Akshai Kumar
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, Assam, India
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
- Jyoti
and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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2
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Shigehiro Y, Miya K, Shibai R, Kataoka Y, Ura Y. Synthesis of Pd-NNP Phosphoryl Mononuclear and Phosphinous Acid-Phosphoryl-Bridged Dinuclear Complexes and Ambient Light-Promoted Oxygenation of Benzyl Ligands. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuma Shigehiro
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women’s University, Kitauoyanishi-machi, Nara 630-8506, Japan
| | - Karen Miya
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women’s University, Kitauoyanishi-machi, Nara 630-8506, Japan
| | - Risa Shibai
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women’s University, Kitauoyanishi-machi, Nara 630-8506, Japan
| | - Yasutaka Kataoka
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women’s University, Kitauoyanishi-machi, Nara 630-8506, Japan
| | - Yasuyuki Ura
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women’s University, Kitauoyanishi-machi, Nara 630-8506, Japan
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3
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Wakabayashi T, Kamada K, Sekizawa K, Sato S, Morikawa T, Jung J, Saito S. Photocatalytic CO 2 Reduction Using an Iron–Bipyridyl Complex Supported by Two Phosphines for Improving Catalyst Durability. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Taku Wakabayashi
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Kenji Kamada
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Keita Sekizawa
- Toyota Central R&D Laboratories., Inc., 41-1 Yokomichi, Nagakute 480-1192, Japan
| | - Shunsuke Sato
- Toyota Central R&D Laboratories., Inc., 41-1 Yokomichi, Nagakute 480-1192, Japan
| | - Takeshi Morikawa
- Toyota Central R&D Laboratories., Inc., 41-1 Yokomichi, Nagakute 480-1192, Japan
| | - Jieun Jung
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Susumu Saito
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
- Research Center for Materials Science (RCMS), Nagoya University, Chikusa, Nagoya 464-8602, Japan
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4
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DFT Calculations of 31P NMR Chemical Shifts in Palladium Complexes. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092668. [PMID: 35566018 PMCID: PMC9105066 DOI: 10.3390/molecules27092668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/04/2022] [Accepted: 04/19/2022] [Indexed: 11/17/2022]
Abstract
In this study, comparative analysis of calculated (GIAO method, DFT level) and experimental 31P NMR shifts for a wide range of model palladium complexes showed that, on the whole, the theory reproduces the experimental data well. The exceptions are the complexes with the P=O phosphorus, for which there is a systematic underestimation of shielding, the value of which depends on the flexibility of the basis sets, especially at the geometry optimization stage. The use of triple-ζ quality basis sets and additional polarization functions at this stage reduces the underestimation of shielding for such phosphorus atoms. To summarize, in practice, for the rapid assessment of 31P NMR shifts, with the exception of the P=O type, a simple PBE0/{6-311G(2d,2p); Pd(SDD)}//PBE0/{6-31+G(d); Pd(SDD)} approximation is quite acceptable (RMSE = 8.9 ppm). Optimal, from the point of view of “price–quality” ratio, is the PBE0/{6-311G(2d,2p); Pd(SDD)}//PBE0/{6-311+G(2d); Pd(SDD)} (RMSE = 8.0 ppm) and the PBE0/{def2-TZVP; Pd(SDD)}//PBE0/{6-311+G(2d); Pd(SDD)} (RMSE = 6.9 ppm) approaches. In all cases, a linear scaling procedure is necessary to minimize systematic errors.
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5
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Nair PP, Jayaraj A, Swamy P CA. Recent Advances in Benzimidazole Based NHC‐Metal Complex Catalysed Cross‐Coupling Reactions**. ChemistrySelect 2022. [DOI: 10.1002/slct.202103517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Pravya P. Nair
- Main group Organometallics Materials Supramolecular Chemistry and Catalysis lab Department of Chemistry National Institute of Technology Calicut 673601 India
- Institute for Integrated programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala 686560 India
| | - Anjitha Jayaraj
- Main group Organometallics Materials Supramolecular Chemistry and Catalysis lab Department of Chemistry National Institute of Technology Calicut 673601 India
| | - Chinna Ayya Swamy P
- Main group Organometallics Materials Supramolecular Chemistry and Catalysis lab Department of Chemistry National Institute of Technology Calicut 673601 India
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6
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Gao Y, Feng C, Seo T, Kubota K, Ito H. Efficient access to materials-oriented aromatic alkynes via the mechanochemical Sonogashira coupling of solid aryl halides with large polycyclic conjugated systems. Chem Sci 2022; 13:430-438. [PMID: 35126975 PMCID: PMC8729817 DOI: 10.1039/d1sc05257h] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 12/07/2021] [Indexed: 01/23/2023] Open
Abstract
Sonogashira coupling represents an indispensable tool for the preparation of organic materials that contain C(sp)-C(sp2) bonds. Improving the efficiency and generality of this methodology has long been an important research subject in materials science. Here, we show that a high-temperature ball-milling technique enables the highly efficient palladium-catalyzed Sonogashira coupling of solid aryl halides that bear large polyaromatic structures including sparingly soluble substrates and unactivated aryl chlorides. In fact, this new protocol provides various materials-oriented polyaromatic alkynes in excellent yield within short reaction times in the absence of bulk reaction solvents. Notably, we synthesized a new luminescent material via the mechanochemical Sonogashira coupling of poorly soluble Vat Red 1 in a much higher yield compared to those obtained using solution-based conditions. The utility of this method was further demonstrated by the rapid synthesis of a fluorescent metal-organic framework (MOF) precursor via two sequential mechanochemical Sonogashira cross-coupling reactions. The present study illustrates the great potential of Sonogashira coupling using ball milling for the preparation of materials-oriented alkynes and for the discovery of novel functional materials.
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Affiliation(s)
- Yunpeng Gao
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University Sapporo Hokkaido Japan
| | - Chi Feng
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University Sapporo Hokkaido Japan
| | - Tamae Seo
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University Sapporo Hokkaido Japan
| | - Koji Kubota
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University Sapporo Hokkaido Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University Sapporo Hokkaido Japan
| | - Hajime Ito
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University Sapporo Hokkaido Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University Sapporo Hokkaido Japan
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7
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Mishra N, Singh SK, Singh AS, Agrahari AK, Tiwari VK. Glycosyl Triazole Ligand for Temperature-Dependent Competitive Reactions of Cu-Catalyzed Sonogashira Coupling and Glaser Coupling. J Org Chem 2021; 86:17884-17895. [PMID: 34875833 DOI: 10.1021/acs.joc.1c02194] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Glycosyl triazoles have been introduced as efficient ligands for the Cu-catalyzed Sonogashira reaction to overcome the challenges of sideways homocoupling reactions in Cu catalysis in this reaction. The atmospheric oxygen in a sealed tube did not affect the coupling, and no need of complete exclusion of oxygen was experienced in the presence of glycohybrid triazole ligand L3. High product yields were obtained at 130 °C for a variety of substrates including aliphatic and aromatic terminal alkynes and differently substituted aromatic halides including 9-bromo noscapine. In contrast, at room temperature, a very low loading of the L3-Cu catalytic system could produce excellent yields in Glaser coupling including homocoupling and heterocoupling of a variety of aliphatic and aromatic alkynes.
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Affiliation(s)
- Nidhi Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Sumit K Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Anoop S Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Anand K Agrahari
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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8
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Clauss R, Baweja S, Gelman D, Hey-Hawkins E. Heterobimetallic Pd/Mn and Pd/Co complexes as efficient and stereoselective catalysts for sequential Cu-free Sonogashira coupling-alkyne semi-hydrogenation reactions. Dalton Trans 2021; 51:1344-1356. [PMID: 34889939 DOI: 10.1039/d1dt03757a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A series of heterobimetallic PdII/MII complexes (MII = Mn, Co) were synthesised and tested as precatalysts for sequential Sonogashira coupling-alkyne semi-hydrogenation reactions to form Z-aryl alkenes. The carbometalated heterobimetallic PdII/CoII complex CoPdL3' demonstrated an apparent cooperative effect compared to the corresponding monometallic counterparts. This compound was identified as a potent single-molecule catalyst for the one-pot Cu-free Sonogashira coupling of aryl bromides with terminal alkynes followed by chemo- and stereoselective semi-hydrogenation of the alkyne intermediate using NH3·BH3 as a hydrogen source. Furthermore, different aromatic substrates have been tested to show the generality of the reaction for the synthesis of Z-alkenes, including biologically active combretastatin A-4. In addition, the homogeneous nature of the catalytically active species was demonstrated.
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Affiliation(s)
- Reike Clauss
- Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Leipzig University, Johannisallee 29, D-04103 Leipzig, Germany.
| | - Saral Baweja
- Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Leipzig University, Johannisallee 29, D-04103 Leipzig, Germany.
| | - Dmitri Gelman
- Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, 91904, Israel
| | - Evamarie Hey-Hawkins
- Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Leipzig University, Johannisallee 29, D-04103 Leipzig, Germany.
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9
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Kamitani M. Chemically robust and readily available quinoline-based PNN iron complexes: application in C-H borylation of arenes. Chem Commun (Camb) 2021; 57:13246-13258. [PMID: 34812447 DOI: 10.1039/d1cc04877e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Iron catalysts have been used for over a century to produce ammonia industrially. However, the use of iron catalysts generally remained quite limited until relatively recently, when the abundance and low toxicity of iron spurred the development of a variety of iron catalysts. Despite the fact that iron catalysts are being developed as alternatives to precious metal catalysts, their reactivities and stabilities are quite different because of their unique electronic structures. In this context, our group previously developed a new family of quinoline-based PNN pincer-type ligands for low- to mid-valent iron catalysts. These chemically robust PNN ligands provide air- and moisture-tolerant iron complexes, which exhibit excellent catalytic performances in the C-H borylation of arenes. This feature article summarises our recent work on PNN iron complexes, including their conception and design, as well as related reports on iron pincer complexes and iron-catalysed C-H borylation reactions.
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Affiliation(s)
- Masahiro Kamitani
- Department of Chemistry, School of Science, Kitasato University, 1-15-1 Kitazato, Minami-ku, Sagamihara 252-0373, Japan.
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10
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Jadhav AM, Park HJ, Jang J, Park JY, Kwak SL, Hwang D. New green phosphorescent Ir(
III
) complex with carbazolylbenzimidazole ligand for
solution‐processed
organic light‐emitting diode. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Amol Maruti Jadhav
- Department of Chemistry and Chemistry Institute for Functional Materials Pusan National University Busan Republic of Korea
| | - Hea Jung Park
- Department of Chemistry and Chemistry Institute for Functional Materials Pusan National University Busan Republic of Korea
| | - Jae‐Ho Jang
- Department of Chemistry and Chemistry Institute for Functional Materials Pusan National University Busan Republic of Korea
| | - Jeong Yong Park
- Department of Chemistry and Chemistry Institute for Functional Materials Pusan National University Busan Republic of Korea
| | - Seon Lee Kwak
- Department of Chemistry and Chemistry Institute for Functional Materials Pusan National University Busan Republic of Korea
| | - Do‐Hoon Hwang
- Department of Chemistry and Chemistry Institute for Functional Materials Pusan National University Busan Republic of Korea
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11
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Martinez EE, Larson AJS, Fuller SK, Petersen KM, Smith SJ, Michaelis DJ. 2-Phosphinoimidazole Ligands: N–H NHC or P–N Coordination Complexes in Palladium-Catalyzed Suzuki–Miyaura Reactions of Aryl Chlorides. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Erin E. Martinez
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Alexandra J. S. Larson
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Sydney K. Fuller
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Kathryn M. Petersen
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - Stacey J. Smith
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
| | - David J. Michaelis
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah 84602, United States
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12
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Chernyshev VM, Khazipov OV, Eremin DB, Denisova EA, Ananikov VP. Formation and stabilization of nanosized Pd particles in catalytic systems: Ionic nitrogen compounds as catalytic promoters and stabilizers of nanoparticles. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213860] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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13
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Liu Q, Zhang X, Zhao Z, Li X, Zhang W. Synthesis of
N
‐Heterocyclic
Carbine Silver(I) and Palladium(
II
) Complexes with Acylated Piperazine Linker and Catalytic Activity in Three Types of C—C Coupling Reactions. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Qingxiang Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University Tianjin 300387 China
| | - Xiantao Zhang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University Tianjin 300387 China
| | - Zhixiang Zhao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University Tianjin 300387 China
| | - Xinying Li
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University Tianjin 300387 China
| | - Wei Zhang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University Tianjin 300387 China
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14
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Mohajer F, Heravi MM, Zadsirjan V, Poormohammad N. Copper-free Sonogashira cross-coupling reactions: an overview. RSC Adv 2021; 11:6885-6925. [PMID: 35423221 PMCID: PMC8695108 DOI: 10.1039/d0ra10575a] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/03/2021] [Indexed: 11/25/2022] Open
Abstract
The Sonogashira reaction is a cross-coupling reaction of a vinyl or aryl halide with a terminal alkyne to form a C-C bond. In its original form, the Sonogashira reaction is performed with a palladium species as a catalyst while co-catalyzed by a copper species and a phosphine or amine. The reaction is conducted under mild conditions, i.e., room temperature, aqueous solutions, and the presence of mild bases. Undeniably, the Sonogashira reaction is among the most competent and efficient reactions widely used in organic synthesis. This named reaction has proved useful in many organic synthesis areas, including the synthesis of pharmaceuticals, heterocycles, natural products, organic compounds, complex molecules having biological activities, nanomaterials, and many more materials that we use in our daily lives. The presence of transition metals as a catalyst was indeed essential in the Sonogashira reaction. However, recently, the reaction has been successfully conducted without copper as a co-catalyst and phosphines or amines as bases. In this critical review, we have focused on developments in the Sonogashira reaction successfully performed in the absence of copper complexes, phosphines or amines, which could be of particular advantage in implementing green chemistry principles and making the reactions more achievable from an economic viewpoint.
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Affiliation(s)
- Fatemeh Mohajer
- Department of Physics and Chemistry, School of Science, Alzahra University PO Box 1993891176, Vanak Tehran Iran +98 21 88041344 +98 21 88044051
| | - Majid M Heravi
- Department of Physics and Chemistry, School of Science, Alzahra University PO Box 1993891176, Vanak Tehran Iran +98 21 88041344 +98 21 88044051
| | - Vahideh Zadsirjan
- Department of Physics and Chemistry, School of Science, Alzahra University PO Box 1993891176, Vanak Tehran Iran +98 21 88041344 +98 21 88044051
| | - Nargess Poormohammad
- Department of Physics and Chemistry, School of Science, Alzahra University PO Box 1993891176, Vanak Tehran Iran +98 21 88041344 +98 21 88044051
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15
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Niakan M, Masteri-Farahani M, Shekaari H, Karimi S. Pd supported on clicked cellulose-modified magnetite-graphene oxide nanocomposite for C-C coupling reactions in deep eutectic solvent. Carbohydr Polym 2021; 251:117109. [PMID: 33142646 DOI: 10.1016/j.carbpol.2020.117109] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/11/2020] [Accepted: 09/12/2020] [Indexed: 12/25/2022]
Abstract
Cellulose-modified magnetite-graphene oxide nanocomposite was prepared via click reaction and utilized for immobilization of palladium (Pd) nanoparticles without using additional reducing agent. The abundant OH groups of cellulose provided the uniform dispersion and high stability of Pd nanoparticles, while magnetite-graphene oxide as a supporting material offered high specific surface area and easy magnetic separation. The as-prepared nanocomposite served as a heterogeneous catalyst for the Heck and Sonogashira coupling reactions in various hydrophilic and hydrophobic deep eutectic solvents (DESs) as sustainable and environmentally benign reaction media. Among the fifteen DESs evaluated for coupling reactions, the hydrophilic DES composed of dimethyl ammonium chloride and glycerol exhibited the best results. Due to the low miscibility of catalyst and DES in organic solvents, the separated aqueous phase containing both of the catalyst and DES can be readily recovered by evaporating water and retrieved eight times with negligible loss of catalytic performance.
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Affiliation(s)
- Mahsa Niakan
- Faculty of Chemistry, Kharazmi University, Tehran, Iran; Research Institute of Green Chemistry, Kharazmi University, Tehran, Iran
| | - Majid Masteri-Farahani
- Faculty of Chemistry, Kharazmi University, Tehran, Iran; Research Institute of Green Chemistry, Kharazmi University, Tehran, Iran.
| | - Hemayat Shekaari
- Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Sabah Karimi
- Department of Physical Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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16
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Huang S, Hong X, Cui HZ, Zhan B, Li ZM, Hou XF. Bimetallic Bis-NHC-Ir(III) Complex Bearing 2-Arylbenzo[ d]oxazolyl Ligand: Synthesis, Catalysis, and Bimetallic Effects. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00464] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shuang Huang
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Xi Hong
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - He-Zhen Cui
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Bing Zhan
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Zhi-Ming Li
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Xiu-Feng Hou
- Department of Chemistry, Fudan University, Shanghai 200433, China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi 832003, China
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17
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Du Q, Liu L, Zhou T. General and Efficient Copper-Catalyzed Oxazaborolidine Complex in Transfer Hydrogenation of Isoquinolines under Mild Conditions. ACS OMEGA 2020; 5:21219-21225. [PMID: 32875258 PMCID: PMC7450644 DOI: 10.1021/acsomega.0c02957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 07/29/2020] [Indexed: 06/11/2023]
Abstract
A general and efficient method for copper-catalyzed transfer hydrogenation of isoquinolines with an oxazaborolidine-BH3 complex, under mild reaction conditions, is successfully developed. A broad range of isoquinolines has been reduced to the corresponding products with 61-85% yields. The method is applied to the synthesis of biologically active tetrahydrosioquinoline alkaloid (±)-norlaudanosine in 62% yield, which is the key precursor for the preparation of (±)-laudanosine, (±)-N-methyl-laudanosine, and (±)-xylopinine in one or two steps.
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Affiliation(s)
- Qianyu Du
- College
of Chemistry and Chemical Engineering, Southwest
Petroleum University, Xindu Road 8, Chengdu, Sichuan 610500, China
| | - Linpeng Liu
- College
of Chemistry and Chemical Engineering, Southwest
Petroleum University, Xindu Road 8, Chengdu, Sichuan 610500, China
| | - Taigang Zhou
- College
of Chemistry and Chemical Engineering, Southwest
Petroleum University, Xindu Road 8, Chengdu, Sichuan 610500, China
- State
Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Xindu Road 8, Chengdu, Sichuan 610500, China
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18
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Martinez EE, Jensen CA, Larson AJS, Kenney KC, Clark KJ, Nazari SH, Valdivia‐Berroeta GA, Smith SJ, Ess DH, Michaelis DJ. Monosubstituted, Anionic Imidazolyl Ligands from N−H NHC Precursors and Their Activity in Pd‐Catalyzed Cross‐Coupling Reactions. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000483] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Erin E. Martinez
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - Christopher A. Jensen
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - Alexandra J. S. Larson
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - Karissa C. Kenney
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - Kyle J. Clark
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - S. Hadi Nazari
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | | | - Stacey J. Smith
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - Daniel H. Ess
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
| | - David J. Michaelis
- Department of Chemistry and BiochemistryBrigham Young University Provo, Utah 84602 United States
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19
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Tian W, He K, Li N, Fen, Liu, Mai X, Feng L, He Y. Transition‐Metal‐Free Coupling Reactions: PPh
3
‐Promoted Sonogashira‐Type Cross‐Couplings of Heteroaryl Halides with Terminal Alkynes. ChemistrySelect 2020. [DOI: 10.1002/slct.202000416] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wan‐Fa Tian
- Jiangxi Key Laboratory of Organic ChemistryJiangxi Science and Technology Normal University Nanchang 330013 China
| | - Ke‐Han He
- School of ScienceXichang University Xichang 615000 China
| | - Na Li
- School of Pharmaceutical ScienceNanchang University Nanchang 330000 China
| | - Fen
- School of Pharmaceutical ScienceNanchang University Nanchang 330000 China
| | - Liu
- School of Pharmaceutical ScienceNanchang University Nanchang 330000 China
| | - Xi Mai
- School of Pharmaceutical ScienceNanchang University Nanchang 330000 China
| | - Li‐Hua Feng
- School of Pharmaceutical ScienceNanchang University Nanchang 330000 China
| | - Yong‐Qin He
- School of Pharmaceutical ScienceNanchang University Nanchang 330000 China
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20
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Virant M, Mihelač M, Gazvoda M, Cotman AE, Frantar A, Pinter B, Košmrlj J. Pyridine Wingtip in [Pd(Py- tzNHC) 2] 2+ Complex Is a Proton Shuttle in the Catalytic Hydroamination of Alkynes. Org Lett 2020; 22:2157-2161. [PMID: 31999464 PMCID: PMC7308070 DOI: 10.1021/acs.orglett.0c00203] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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The cationic palladium(II)
complex 1 of pyridyl-mesoionic
carbene ligand catalyzes Markovnikov-selective intermolecular hydroamination
between anilines and terminal alkynes into the corresponding imines.
The reaction proceeds at room temperature, in the absence of additives,
with exquisite selectivity and diverse functional group tolerance.
The key intrinsic feature of the catalyst is the pyridine wingtip
confined to the proximity of the alkynophilic metal active site, which
mimics the function of enzyme-like architectures by assisting entropically
favored proton transfers.
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Affiliation(s)
- Miha Virant
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia.,Departamento de Quı́mica, Universidad Técnica Federico Santa Marı́a, Av. España 1680, 2390123 Valparaı́so, Chile
| | - Mateja Mihelač
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Martin Gazvoda
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Andrej E Cotman
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Anja Frantar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Balazs Pinter
- Departamento de Quı́mica, Universidad Técnica Federico Santa Marı́a, Av. España 1680, 2390123 Valparaı́so, Chile
| | - Janez Košmrlj
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
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21
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Reddy MVK, Anusha G, Reddy PVG. Sterically enriched bulky 1,3-bis(N,N′-aralkyl)benzimidazolium based Pd-PEPPSI complexes for Buchwald–Hartwig amination reactions. NEW J CHEM 2020. [DOI: 10.1039/d0nj01294g] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A simple and efficient synthesis of a series of unexisting Pd-PEPPSI complexes is summarized. These complexes are exploited for their high catalytic activity towards Buchwald–Hartwig amination.
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