1
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Dey J, Kaltenberger S, van Gemmeren M. Palladium(II)-Catalyzed Nondirected Late-Stage C(sp 2)-H Deuteration of Heteroarenes Enabled Through a Multi-Substrate Screening Approach. Angew Chem Int Ed Engl 2024; 63:e202404421. [PMID: 38512005 DOI: 10.1002/anie.202404421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/19/2024] [Accepted: 03/19/2024] [Indexed: 03/22/2024]
Abstract
The importance of deuterium labelling in a variety of applications, ranging from mechanistic studies to drug-discovery, has spurred immense interest in the development of new methods for its efficient incorporation in organic, and especially in bioactive molecules. The five-membered heteroarenes at the center of this work are ubiquitous motifs in bioactive molecules and efficient methods for the deuterium labelling of these compounds are therefore highly desirable. However, the profound differences in chemical properties encountered between different heteroarenes hamper the development of a single set of broadly applicable reaction conditions, often necessitating a separate optimization campaign for a given type of heteroarene. In this study we describe the use of a multi-substrate screening approach to identify optimal reaction conditions for different classes of heteroarenes from a minimal number of screening reactions. Using this approach, four sets of complementary reaction conditions derived from our dual ligand-based palladium catalysts for nondirected C(sp2)-H activation were identified, that together enable the deuteration of structurally diverse heteroarenes, including bioactive molecules.
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Affiliation(s)
- Jyotirmoy Dey
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität zu Kiel, Otto-Hahn-Platz 4, 24098, Kiel, Germany
| | - Simon Kaltenberger
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität zu Kiel, Otto-Hahn-Platz 4, 24098, Kiel, Germany
| | - Manuel van Gemmeren
- Otto-Diels-Institut für Organische Chemie, Christian-Albrechts-Universität zu Kiel, Otto-Hahn-Platz 4, 24098, Kiel, Germany
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2
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Weber RR, Stindt CN, van der Harten AMJ, Feringa BL. Push-Pull Bis-Norbornadienes for Solar Thermal Energy Storage. Chemistry 2024; 30:e202400482. [PMID: 38519425 DOI: 10.1002/chem.202400482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 03/24/2024]
Abstract
The norbornadiene/quadricyclane (NBD/QC) photoswitch pair represents a promising system for application in molecular solar thermal energy storage (MOST). Often, the NBD derivatives have very limited overlap with the solar spectrum, and substitution to redshift the absorption leads to a decrease in the gravimetric energy density. Dimeric systems mitigate this factor because two switches can 'share' a substituent. Here, we present five new NBD dimers with red-shifted absorption spectra. One dimer features the most red-shifted absorption onset (539 nm) and a significantly red-shifted absorption maximum (404 nm) for NBD systems reported so far, without compromising thermal half-life. Promising properties for high-performance MOST applications are demonstrated, such as high absorption onsets reaching 539 nm, and energy densities of 379 kJ/kg, while still maintaining long half-lives of the metastable isomer, up to 23 hours at 25 °C.
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Affiliation(s)
- Roza R Weber
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Charlotte N Stindt
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - A M J van der Harten
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, Groningen, 9747 AG, The Netherlands
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3
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Tangdenpaisal K, Kheakwanwong W, Ruchirawat S, Ploypradith P. Dihydro-10 H-indeno[1,2- b]benzofurans and Tetrahydroindeno[1,2- c]isochromenes via Stereoselective Intramolecular Carbocation Cascade Cyclization. J Org Chem 2024; 89:2964-2983. [PMID: 38345392 DOI: 10.1021/acs.joc.3c02380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Nazarov cyclization of the (E)-(2-stilbenyl)methanols under the catalysis of p-TsOH immobilized on silica (PTS-Si) proceeded to give the corresponding indanyl cation with the exclusive trans relationship at the two newly formed adjacent stereogenic centers. The ensuing intramolecular nucleophilic addition by the MOM-protected phenol (m = 0) or benzyl alcohol (m = 1) furnished the Indane-fused benzofuran [5/5] or isochroman [5/6] system, respectively, with the exclusive cis stereocontrol at the two-carbon ring junction. Thus, in a single step, from nonchiral starting materials, the intramolecular cascade carbocation cyclization (CCC) furnished the [5/5] or [5/6] oxygen-containing Indane fused-ring systems in moderate to good yields with excellent stereoselectivity on all three contiguous stereogenic centers.
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Affiliation(s)
- Kassrin Tangdenpaisal
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210
| | - Wichita Kheakwanwong
- Program in Chemical Sciences, Chulabhorn Graduate Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210
| | - Somsak Ruchirawat
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210
- Program in Chemical Sciences, Chulabhorn Graduate Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210
- Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok, Thailand 10400
| | - Poonsakdi Ploypradith
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210
- Program in Chemical Sciences, Chulabhorn Graduate Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210
- Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok, Thailand 10400
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4
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Mikami A, Mori S, Osawa T, Obika S. Post-Synthetic Nucleobase Modification of Oligodeoxynucleotides by Sonogashira Coupling and Influence of Alkynyl Modifications on the Duplex-Forming Ability. Chemistry 2023; 29:e202301928. [PMID: 37635089 DOI: 10.1002/chem.202301928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 08/23/2023] [Accepted: 08/25/2023] [Indexed: 08/29/2023]
Abstract
Recently, it was reported that the alkynyl modification of nucleobases mitigates the toxicity of antisense oligonucleotides (ASO) while maintaining the efficacy. However, the general effect of alkynyl modifications on the duplex-forming ability of oligonucleotides (ONs) is unclear. In this study, post-synthetic nucleobase modification by Sonogashira coupling in aqueous medium was carried out to efficiently evaluate the physiological properties of various ONs with alkynyl-modified nucleobases. Although several undesired reactions, including nucleobase cyclization, were observed, various types of alkynyl-modified ONs were successfully obtained via Sonogashira coupling of ONs containing iodinated nucleobases. Evaluation of the stability of the duplex formed by the synthesized alkynyl-modified ONs showed that the alkynyl modification of pyrimidine was less tolerated than that of purine, although both the modifications occurred in the major groove of the duplex. These results can be attributed to the bond angle of the alkyne on the pyrimidine and the close proximity of the alkynyl substituents to the phosphodiester backbone. The synthetic method developed in this study may contribute to the screening of the optimal chemical modification of ASO because various alkynyl-modified ONs that are effective in reducing the toxicity of ASO can be easily synthesized by this method.
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Affiliation(s)
- Atsushi Mikami
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shohei Mori
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Takashi Osawa
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Satoshi Obika
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Institute for Open and Transdisciplinary Research Initiatives (OTRI), 1-3 Yamadaoka, Suita, Osaka, 565-0871, Japan
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5
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Chan K, Ta LT, Huang Y, Su H, Lin Z. Incorporating Domain Knowledge and Structure-Based Descriptors for Machine Learning: A Case Study of Pd-Catalyzed Sonogashira Reactions. Molecules 2023; 28:4730. [PMID: 37375286 DOI: 10.3390/molecules28124730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/10/2023] [Accepted: 06/10/2023] [Indexed: 06/29/2023] Open
Abstract
Machine learning has revolutionized information processing for large datasets across various fields. However, its limited interpretability poses a significant challenge when applied to chemistry. In this study, we developed a set of simple molecular representations to capture the structural information of ligands in palladium-catalyzed Sonogashira coupling reactions of aryl bromides. Drawing inspiration from human understanding of catalytic cycles, we used a graph neural network to extract structural details of the phosphine ligand, a major contributor to the overall activation energy. We combined these simple molecular representations with an electronic descriptor of aryl bromide as inputs for a fully connected neural network unit. The results allowed us to predict rate constants and gain mechanistic insights into the rate-limiting oxidative addition process using a relatively small dataset. This study highlights the importance of incorporating domain knowledge in machine learning and presents an alternative approach to data analysis.
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Affiliation(s)
- Kalok Chan
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Long Thanh Ta
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Yong Huang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Haibin Su
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
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6
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Mansouri M, Rumrill S, Dawson S, Johnson A, Pinson JA, Gunzburg MJ, Latham CF, Barlow N, Mbogo GW, Ellenberg P, Headey SJ, Sluis-Cremer N, Tyssen D, Bauman JD, Ruiz FX, Arnold E, Chalmers DK, Tachedjian G. Targeting HIV-1 Reverse Transcriptase Using a Fragment-Based Approach. Molecules 2023; 28:3103. [PMID: 37049868 PMCID: PMC10095864 DOI: 10.3390/molecules28073103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 04/03/2023] Open
Abstract
Human immunodeficiency virus type I (HIV-1) is a retrovirus that infects cells of the host's immune system leading to acquired immunodeficiency syndrome and potentially death. Although treatments are available to prevent its progression, HIV-1 remains a major burden on health resources worldwide. Continued emergence of drug-resistance mutations drives the need for novel drugs that can inhibit HIV-1 replication through new pathways. The viral protein reverse transcriptase (RT) plays a fundamental role in the HIV-1 replication cycle, and multiple approved medications target this enzyme. In this study, fragment-based drug discovery was used to optimize a previously identified hit fragment (compound B-1), which bound RT at a novel site. Three series of compounds were synthesized and evaluated for their HIV-1 RT binding and inhibition. These series were designed to investigate different vectors around the initial hit in an attempt to improve inhibitory activity against RT. Our results show that the 4-position of the core scaffold is important for binding of the fragment to RT, and a lead compound with a cyclopropyl substitution was selected and further investigated. Requirements for binding to the NNRTI-binding pocket (NNIBP) and a novel adjacent site were investigated, with lead compound 27-a minimal but efficient NNRTI-offering a starting site for the development of novel dual NNIBP-Adjacent site inhibitors.
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Affiliation(s)
- Mahta Mansouri
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Shawn Rumrill
- Center for Advanced Biotechnology and Medicine, Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA
| | - Shane Dawson
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Adam Johnson
- Retroviral Biology and Antivirals Laboratory, Disease Elimination Program, Life Sciences Discipline, Burnet Institute, Melbourne, VIC 3004, Australia
| | - Jo-Anne Pinson
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Menachem J. Gunzburg
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Catherine F. Latham
- Retroviral Biology and Antivirals Laboratory, Disease Elimination Program, Life Sciences Discipline, Burnet Institute, Melbourne, VIC 3004, Australia
| | - Nicholas Barlow
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - George W. Mbogo
- Retroviral Biology and Antivirals Laboratory, Disease Elimination Program, Life Sciences Discipline, Burnet Institute, Melbourne, VIC 3004, Australia
| | - Paula Ellenberg
- Retroviral Biology and Antivirals Laboratory, Disease Elimination Program, Life Sciences Discipline, Burnet Institute, Melbourne, VIC 3004, Australia
| | - Stephen J. Headey
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Nicolas Sluis-Cremer
- Division of Infectious Diseases, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - David Tyssen
- Retroviral Biology and Antivirals Laboratory, Disease Elimination Program, Life Sciences Discipline, Burnet Institute, Melbourne, VIC 3004, Australia
| | - Joseph D. Bauman
- Center for Advanced Biotechnology and Medicine, Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA
| | - Francesc X. Ruiz
- Center for Advanced Biotechnology and Medicine, Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA
| | - Eddy Arnold
- Center for Advanced Biotechnology and Medicine, Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, NJ 08854, USA
| | - David K. Chalmers
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Gilda Tachedjian
- Retroviral Biology and Antivirals Laboratory, Disease Elimination Program, Life Sciences Discipline, Burnet Institute, Melbourne, VIC 3004, Australia
- Department of Microbiology, Monash University, Clayton, VIC 3168, Australia
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC 3000, Australia
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7
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Majumder A, Naskar R, Roy P, Mondal B, Garai S, Maity R. A naphthalene-based heterobimetallic triazolylidene Ir III/Pd II complex: regioselective to regiospecific C-H activation, tandem catalysis and a copper-free Sonogashira reaction. Dalton Trans 2023; 52:2272-2281. [PMID: 36723111 DOI: 10.1039/d2dt03508a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Heterobimetallic complexes featuring mesoionic carbene (MIC) donor ligands are gaining enormous popularity in tandem catalysis owing to the combined action of two different metal centers during catalysis. A rare version of the heterobimetallic PdII/IrIII complex possessing a cyclometalated mesoionic carbene (MIC) ligand is presented along with the analogous homodinuclear PdII complex. A sterically controlled regiospecific cyclometalation towards the formation of a six-membered ring complex over a five-membered ring complex has been performed using a naphthalene-based bis-MIC ligand platform. The interplay between regioselective vs. regiospecific C-H bond activation for the synthesis of cyclometalated IrIII complexes has also been demonstrated using the corresponding naphthyl-derived mono-imidazolylidene ligand. Both homodinuclear PdII and heterobimetallic PdII/IrIII complexes have been characterized using standard spectroscopic techniques including 1H, 13C{1H}, 2D correlation NMR spectroscopy and ESI mass spectrometry. The structure of the cyclometalated heterobimetallic complex has been established by single crystal XRD. The heterobimetallic complex has been employed as a pre-catalyst in the tandem Suzuki-Miyaura/transfer hydrogenation reaction and the homobimetallic PdII complex has been successfully employed as a catalyst in both the Sonogashira coupling and α-arylation of 1-methyl-2-oxindole.
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Affiliation(s)
- Adhir Majumder
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India.
| | - Rajat Naskar
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India.
| | - Pallabi Roy
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India.
| | - Bhaskar Mondal
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India.
| | - Somenath Garai
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221 005, Uttar Pradesh, India
| | - Ramananda Maity
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India.
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8
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Akkarasereenon K, Batsomboon P, Ruchirawat S, Ploypradith P. Functionalized Chromans from ortho-Quinone Methides and Arylallenes. J Org Chem 2022; 87:15863-15887. [PMID: 36373006 DOI: 10.1021/acs.joc.2c01962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
ortho-Quinone methides (o-QMs) underwent formal [4 + 2]-cycloaddition reactions with arylallenes regioselectively at the styrenyl olefin to furnish the corresponding 3-methylene-2-arylchromans in moderate to good yields (up to 88%). When R ≠ H, the reactions also proceeded with moderate stereoselectivity (up to 5:1) which was governed by the nature of the R group. The 3-methylene-2-arylchromans could serve as common intermediates for further functionalization including epoxidation, oxidative cleavage/Baeyer-Villiger oxidation, Riley oxidation, acid-catalyzed rearrangement, and Pd-catalyzed cross-coupling reactions to furnish the corresponding derivatives in moderate to good yields.
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Affiliation(s)
- Kornkamon Akkarasereenon
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, 906 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand
| | - Paratchata Batsomboon
- Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand
| | - Somsak Ruchirawat
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, 906 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand.,Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand.,Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
| | - Poonsakdi Ploypradith
- Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, 906 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand.,Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok 10210, Thailand.,Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
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9
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Fantoni T, Tolomelli A, Cabri W. A translation of the twelve principles of green chemistry to guide the development of cross-coupling reactions. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.09.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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10
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Rocard L, Hannedouche J, Bogliotti N. Visible-Light-Initiated Palladium-Catalyzed Cross-coupling by PPh 3 Uncaging from an Azobenzene Ruthenium-Arene Complex. Chemistry 2022; 28:e202200519. [PMID: 35543416 PMCID: PMC9400985 DOI: 10.1002/chem.202200519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Indexed: 11/20/2022]
Abstract
Photo-release of triphenylphosphine from a sulfonamide azobenzene ruthenium-arene complex was exploited to activate PdII Cl2 into Pd0 catalyst, for the photo-initiation of Sonogashira cross-coupling. The transformation was initiated on demand - by using simple white LED strip lights - with a high temporal response and the ability to control reaction rate by changing the irradiation time. Various substrates were successfully applied to this photo-initiated cross-coupling, thus illustrating the wide functional-group tolerance of our photo-caged catalyst activator, without any need for sophisticated photochemistry apparatus.
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Affiliation(s)
- Lou Rocard
- Université Paris-Saclay, ENS Paris-Saclay, CNRSPhotophysique et Photochimie Supramoléculaires et Macromoléculaires91190Gif-sur-YvetteFrance
- Université Paris-Saclay, CNRSInstitut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)91405Orsay CedexFrance
| | - Jérôme Hannedouche
- Université Paris-Saclay, CNRSInstitut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO)91405Orsay CedexFrance
| | - Nicolas Bogliotti
- Université Paris-Saclay, ENS Paris-Saclay, CNRSPhotophysique et Photochimie Supramoléculaires et Macromoléculaires91190Gif-sur-YvetteFrance
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11
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Sruthi PR, Nimmi PP, Babu SS, Anas S. Highly Efficient and Reusable Polymer Supported Palladium Catalyst for Copper Free Sonogashira Reaction in Water. ChemistrySelect 2022. [DOI: 10.1002/slct.202104273] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | | | - Sukumaran Santhosh Babu
- Organic Chemistry Division National Chemical Laboratory (CSIR-NCL) Pune Maharashtra India- 411008
| | - Saithalavi Anas
- School of Chemical Sciences Mahatma Gandhi University Kottayam Kerala India- 686560
- Institute for Integrated Programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Kottayam Kerala India- 686560
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12
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Rico L, Li D, Hanessian S. Stereocontrolled Synthesis of 1,3‐Substituted 2‐Oxabicyclo[3.1.0]hexanes as Ring‐Constrained Tetrahydrofuranosyl C‐Glycosides. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Lorena Rico
- Department of Chemistry Université de Montréal Station Centre-Ville, C.P. 6128 Montreal QC, H3 C 3 J7 Canada
| | - Da Li
- Department of Chemistry Université de Montréal Station Centre-Ville, C.P. 6128 Montreal QC, H3 C 3 J7 Canada
| | - Stephen Hanessian
- Department of Chemistry Université de Montréal Station Centre-Ville, C.P. 6128 Montreal QC, H3 C 3 J7 Canada
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13
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Duc DX, Quoc NV. Microwave-assisted, Copper-free Sonogashira Coupling Between Aryl Halides and Terminal Alkynes Using Recyclable Ionic Liquid and Catalyst. LETT ORG CHEM 2022. [DOI: 10.2174/1570178618666210820101129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
An efficient method for the Sonogashira coupling reaction between aryl halides and terminal
alkynes has been developed. The reaction was performed in ionic liquid 1-butyl-3-
methylimidazolium tetrafluoroborate ([Bmim][BF4]) under microwave irradiation. High yields of
products were obtained in a very short reaction time. Moreover, the medium and catalyst could be
recovered and reused three times without considerable decrease in reaction yields.
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Affiliation(s)
- Dau Xuan Duc
- Department of Chemistry, Institute of Natural Education Sciences, Vinh University, Vinh City, Vietnam
| | - Nguyen Van Quoc
- Department of Chemistry, Institute of Natural Education Sciences, Vinh University, Vinh City, Vietnam
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14
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Majumder A, Naskar R, Phukan SJ, Maity R. Bimetallic Pd II complexes with NHC/Py/PCy 3 donor set ligands: applications in α-arylation, Suzuki–Miyaura and Sonogashira coupling reactions. NEW J CHEM 2022. [DOI: 10.1039/d2nj01852g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bimetallic PdII complexes bearing mixed NHC/Py/PCy3 donor set ligands are presented. A complex with a mixed NHC/PCy3 donor set ligands shows superior activity compared to the PEPPSI type complexes in α-arylation and Sonogashira coupling reactions.
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Affiliation(s)
- Adhir Majumder
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India
| | - Rajat Naskar
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India
| | - Shankab J. Phukan
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221 005, India
| | - Ramananda Maity
- Department of Chemistry, University of Calcutta, Kolkata, West Bengal, 700009, India
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15
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Bednarska-Szczepaniak K, Mieczkowski A, Kierozalska A, Pavlović Saftić D, Głąbała K, Przygodzki T, Stańczyk L, Karolczak K, Watała C, Rao H, Gao ZG, Jacobson KA, Leśnikowski ZJ. Synthesis and evaluation of adenosine derivatives as A 1, A 2A, A 2B and A 3 adenosine receptor ligands containing boron clusters as phenyl isosteres and selective A 3 agonists. Eur J Med Chem 2021; 223:113607. [PMID: 34171656 PMCID: PMC8448983 DOI: 10.1016/j.ejmech.2021.113607] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 01/30/2023]
Abstract
A series of adenosine and 2'-deoxyadenosine pairs modified with a 1,12-dicarba-closo-dodecaborane cluster or alternatively with a phenyl group at the same position was synthesized, and their affinity was determined at A1, A2A, A2B and A3 adenosine receptors (ARs). While AR affinity differences were noted, a general tendency to preferentially bind A3 AR over other ARs was observed for most tested ligands. In particular, 5'-ethylcarbamoyl-N6-(3-phenylpropyl)adenosine (18), N6-(3-phenylpropyl)-2-chloroadenosine (24) and N6-(3-phenylpropyl)adenosine (40) showed nanomolar A3 affinity (Ki 4.5, 6.4 and 7.5 nM, respectively). Among the boron cluster-containing compounds, the highest A3 affinity (Ki 206 nM) was for adenosine derivative 41 modified at C2. In the matched molecular pairs, analogs bearing boron clusters were found to show lower binding affinity for adenosine receptors than the corresponding phenyl analogs. Nevertheless, interestingly, several boron cluster modified adenosine ligands showed significantly higher A3 receptor selectivity than the corresponding phenyl analogs: 7vs. 8, 15vs. 16, 17vs. 18.
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Affiliation(s)
| | - Adam Mieczkowski
- Laboratory of Biological Chemistry of Metal Ions, Institute of Biochemistry and Biophysics PAS, Pawińskiego 5a, 02-106, Warsaw, Poland
| | - Aleksandra Kierozalska
- Laboratory of Medicinal Chemistry, Institute of Medical Biology PAS, Lodowa 106, 92-232, Łódź, Poland
| | - Dijana Pavlović Saftić
- Laboratory of Medicinal Chemistry, Institute of Medical Biology PAS, Lodowa 106, 92-232, Łódź, Poland
| | - Konrad Głąbała
- Laboratory of Medicinal Chemistry, Institute of Medical Biology PAS, Lodowa 106, 92-232, Łódź, Poland
| | - Tomasz Przygodzki
- Department of Haemostatic Disorders, Medical University of Lodz, 6/8 Mazowiecka St. 92-215, Lodz, Poland
| | - Lidia Stańczyk
- Department of Haemostatic Disorders, Medical University of Lodz, 6/8 Mazowiecka St. 92-215, Lodz, Poland
| | - Kamil Karolczak
- Department of Haemostatic Disorders, Medical University of Lodz, 6/8 Mazowiecka St. 92-215, Lodz, Poland
| | - Cezary Watała
- Department of Haemostatic Disorders, Medical University of Lodz, 6/8 Mazowiecka St. 92-215, Lodz, Poland
| | - Harsha Rao
- Laboratory of Bioorganic Chemistry and Molecular Recognition Section, National Institute of Diabetes & Digestive & Kidney Diseases, NIH, Bethesda, MD, 20892-0810, USA
| | - Zhan-Guo Gao
- Laboratory of Bioorganic Chemistry and Molecular Recognition Section, National Institute of Diabetes & Digestive & Kidney Diseases, NIH, Bethesda, MD, 20892-0810, USA
| | - Kenneth A Jacobson
- Laboratory of Bioorganic Chemistry and Molecular Recognition Section, National Institute of Diabetes & Digestive & Kidney Diseases, NIH, Bethesda, MD, 20892-0810, USA
| | - Zbigniew J Leśnikowski
- Laboratory of Medicinal Chemistry, Institute of Medical Biology PAS, Lodowa 106, 92-232, Łódź, Poland.
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16
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Hinojosa ARC, de Souza SP, Alves TV, dos Santos ITO, Silva EO, Gonçalves IL, Merlo AA, Junkes CF, Bechtold IH, Vieira AA. Shining rings: The effect of the rigid core and benzazole heterocycles on the properties of luminescent calamitic liquid crystals. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116614] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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17
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Politi FAS, Bueno RV, Zeoly LA, Fantatto RR, Eloy JDO, Chorilli M, Coelho F, Guido RVC, Chagas ACDS, Furlan M. Anthelmintic activity of a nanoformulation based on thiophenes identified in Tagetes patula L. (Asteraceae) against the small ruminant nematode Haemonchus contortus. Acta Trop 2021; 219:105920. [PMID: 33861973 DOI: 10.1016/j.actatropica.2021.105920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 02/02/2021] [Accepted: 04/07/2021] [Indexed: 11/25/2022]
Abstract
The synthesis of thiophenic compounds, previously identified in Tagetes patula, revealed that 4-(5'-(hydroxymethyl)-[2,2'-bithiophene]-5-yl)but-3-yn-1-ol), or simply Thio1, has a pronounced in vitro anthelmintic effect against Haemonchus contortus, showing 100% efficacy in the egg hatch and larval development tests presenting EC50 = 0.1731 mg.mL-1 and EC50 = 0.3243 mg.mL-1, respectively. So, this compound was selected to preparation of a nanostructured formulation to be orally administered to Santa Inês sheep. In general, from the fecal egg count reduction test (FECRT), it was observed that the product kept the parasitic load in the digestive tract of the hosts stable, with eggs per gram of faeces (EPG) counts having a mean value < 3,000 (EPGmean = 2167.1, efficacy = 36,45%), thus protecting the animals from health risks caused by a massive nematode infestation. To better understand the mode of action of this thiophene derivative, in silico molecular modeling studies were carried out with the glutamate-activated chloride channel (GluCl), a well-known molecular target of anthelmintic compounds. Based on the affinity score (GlideScore = -5.7 kcal.mol-1) and the proposed binding mode, Thio1 could be classified as a potential GluCl ligand, justifying the promising results observed in the anthelmintic assays.
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18
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Fantoni T, Bernardoni S, Mattellone A, Martelli G, Ferrazzano L, Cantelmi P, Corbisiero D, Tolomelli A, Cabri W, Vacondio F, Ferlenghi F, Mor M, Ricci A. Palladium Catalyst Recycling for Heck-Cassar-Sonogashira Cross-Coupling Reactions in Green Solvent/Base Blend. CHEMSUSCHEM 2021; 14:2591-2600. [PMID: 33905170 PMCID: PMC8251985 DOI: 10.1002/cssc.202100623] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/22/2021] [Indexed: 05/08/2023]
Abstract
The identification of a green, versatile, user-friendly, and efficient methodology is necessary to facilitate the use of Heck-Cassar-Sonogashira (HCS) cross-coupling reaction in drug discovery and industrial production in the pharmaceutical segment. The Heck-Cassar and Sonogashira protocols, using N-hydroxyethylpyrrolidone (HEP)/water/N,N,N',N'-tetramethyl guanidine (TMG) as green solvent/base mixture and sulfonated phosphine ligands, allowed to recycle the catalyst, always guaranteeing high yields and fast conversion under mild conditions, with aryl iodides, bromides, and triflates. No catalyst leakage or metal contamination of the final product were observed during the HCS recycling. To our knowledge, a turnover number (TON) up to 2375, a turnover frequency (TOF) of 158 h-1 , and a process mass intensity (PMI) around 7 that decreased around 3 after solvent, base, and palladium recovery, represent one of the best results to date using a sustainable protocol. The Heck-Cassar protocol using sSPhos was successfully applied to the telescoped synthesis of Erlotinib (TON: 1380; TOF: 46 h-1 ).
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Affiliation(s)
- Tommaso Fantoni
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Sara Bernardoni
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Alexia Mattellone
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Giulia Martelli
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Lucia Ferrazzano
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Paolo Cantelmi
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Dario Corbisiero
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Alessandra Tolomelli
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Walter Cabri
- Department of Chemistry Giacomo Ciamician Alma Mater StudiorumUniversity of BolognaVia Selmi 240136BolognaItaly
| | - Federica Vacondio
- Department of Food and Drug SciencesUniversity of ParmaParco Area delle Scienze 27/a43124-ParmaItaly
| | - Francesca Ferlenghi
- Department of Food and Drug SciencesUniversity of ParmaParco Area delle Scienze 27/a43124-ParmaItaly
| | - Marco Mor
- Department of Food and Drug SciencesUniversity of ParmaParco Area delle Scienze 27/a43124-ParmaItaly
| | - Antonio Ricci
- Innovation and DevelopmentFresenius kabi iPsumvia San Leonardo 2345010Villadose (RO)Italy
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19
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Shetty S, Baig N, Hassan A, Al-Mousawi S, Das N, Alameddine B. Fluorinated Iron(ii) clathrochelate units in metalorganic based copolymers: improved porosity, iodine uptake, and dye adsorption properties. RSC Adv 2021; 11:14986-14995. [PMID: 35424059 PMCID: PMC8697800 DOI: 10.1039/d1ra02357h] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/16/2021] [Indexed: 01/15/2023] Open
Abstract
We report the synthesis of metalorganic copolymers made from the palladium catalyzed Sonogashira cross-coupling reaction between various iron(ii) clathrochelate building blocks with diethynyl-triptycene and fluorene derivatives. The target copolymers CCP1-5 were isolated in excellent yield and characterized by various instrumental analysis techniques. Interestingly, investigation of the copolymers' porosity properties discloses BET surface areas up to 337 m2 g-1 for the target compounds bearing fluorinated iron(ii) clathrochelate units CCP2,5. Moreover, the fluorinated copolymers display an outstanding uptake capacity of iodine with a maximum adsorption of 200 wt%. The target metalorganic copolymers CCP1-5 reveal very good adsorption of organic dyes, namely, methyl blue and methylene blue, from aqueous media.
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Affiliation(s)
- Suchetha Shetty
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology Kuwait
- Functional Materials Group - CAMB, GUST Kuwait
| | - Noorullah Baig
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology Kuwait
- Functional Materials Group - CAMB, GUST Kuwait
| | - Atikur Hassan
- Department of Chemistry, Indian Institute of Technology Patna Patna 801106 Bihar India
| | | | - Neeladri Das
- Department of Chemistry, Indian Institute of Technology Patna Patna 801106 Bihar India
| | - Bassam Alameddine
- Department of Mathematics and Natural Sciences, Gulf University for Science and Technology Kuwait
- Functional Materials Group - CAMB, GUST Kuwait
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20
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Doettinger F, Yang Y, Schmid MA, Frey W, Karnahl M, Tschierlei S. Cross-Coupled Phenyl- and Alkynyl-Based Phenanthrolines and Their Effect on the Photophysical and Electrochemical Properties of Heteroleptic Cu(I) Photosensitizers. Inorg Chem 2021; 60:5391-5401. [PMID: 33764043 DOI: 10.1021/acs.inorgchem.1c00416] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
With the aims of increasing the antenna system and improving the photophysical properties of Cu(I)-based photosensitizers, the backbone of 2,9-dimethyl-1,10-phenanthroline was selectively extended in the 5,6-position. Applying specifically tailored Suzuki-Miyaura and "chemistry-on-the-complex" Sonogashira cross-coupling reactions enabled the development of two sets of structurally related diimine ligands with a broad variety of different phenyl- and alkynyl-based substituents. The resulting 11 novel heteroleptic Cu(I) complexes, including five solid-state structures, were studied with respect to their structure-property relationships. Both sets of substituents are able to red-shift the absorption maxima and to increase the absorptivity. For the alkynyl-based complexes, this is accompanied by a significant anodic shift of the reduction potentials. The phenyl-based substituents strongly influence the emission wavelength and quantum yield of the resulting Cu(I) complexes and lead to an increase in the emission lifetime of up to 504 ns, which clearly indicates competition with the benchmark system [(xantphos)Cu(bathocuproine)]PF6.
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Affiliation(s)
- Florian Doettinger
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany.,Department of Energy Conversion, Institute of Physical and Theoretical Chemistry, Technische Universität Brauschweig, Gaußstraße 17, 38106 Braunschweig, Germany
| | - Yingya Yang
- Department of Energy Conversion, Institute of Physical and Theoretical Chemistry, Technische Universität Brauschweig, Gaußstraße 17, 38106 Braunschweig, Germany
| | - Marie-Ann Schmid
- Department of Energy Conversion, Institute of Physical and Theoretical Chemistry, Technische Universität Brauschweig, Gaußstraße 17, 38106 Braunschweig, Germany
| | - Wolfgang Frey
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Michael Karnahl
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Stefanie Tschierlei
- Department of Energy Conversion, Institute of Physical and Theoretical Chemistry, Technische Universität Brauschweig, Gaußstraße 17, 38106 Braunschweig, Germany
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21
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Cruz ACF, Mateus EM, Peterson MJ. Process Development of a Sonogashira Cross-Coupling Reaction as the Key Step of Tirasemtiv Synthesis Using Design of Experiments. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.0c00524] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Ana C. F. Cruz
- R&D, Process Chemistry Development, Hovione FarmaCiencia SA, Campus do Lumiar, Building S, 1649-038 Lisboa, Portugal
| | - Elisabete M. Mateus
- R&D, Process Chemistry Development, Hovione FarmaCiencia SA, Campus do Lumiar, Building S, 1649-038 Lisboa, Portugal
| | - Matthew J. Peterson
- Acadia Pharmaceuticals, Inc., 12830 El Camino Real #400, San Diego, CA 92130, United States
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22
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Khandaka H, Sharma KN, Joshi RK. Aerobic Cu and amine free Sonogashira and Stille couplings of aryl bromides/chlorides with a magnetically recoverable Fe3O4@SiO2 immobilized Pd(II)-thioether containing NHC. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152844] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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23
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Boyarskaya DV, Chulkova TG. Effect of the Structure of C,N-Chelate Diaminocarbene Palladium(II) Complexes on Their Catalytic Activity in the Sonogashira Reaction. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s107042802011007x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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24
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Zhou DY, Miura-Akagi PM, McCarty SM, Guiles CH, O'Donnell TJ, Yoshida WY, Krause CE, Rheingold AL, Hughes RP, Cain MF. P-Alkynyl functionalized benzazaphospholes as transmetalating agents. Dalton Trans 2021; 50:599-611. [PMID: 33403375 DOI: 10.1039/d0dt01367f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Exposure of 10π-electron benzazaphosphole 1 to HCl, followed by nucleophilic substitution with the Grignard reagent BrMgCCPh afforded alkynyl functionalized 3 featuring an exocyclic -C[triple bond, length as m-dash]C-Ph group with an elongated P-C bond (1.7932(19) Å). Stoichiometric experiments revealed that treatment of trans-Pd(PEt3)2(Ar)(i) (Ar = p-Me (C) or p-F (D)) with 3 generated trans-Pd(PEt3)2(Ar)(CCPh) (Ar = p-Me (E) or p-F (F)), 5, which is the result of ligand exchange between P-I byproduct 4 and C/D, and the reductively eliminated product (Ar-C[triple bond, length as m-dash]C-Ph). Cyclic voltammetry studies showed and independent investigations confirmed 4 is also susceptible to redox processes including bimetallic oxidative addition to Pd(0) to give Pd(i) dimer 6-Pd2-(P(t-Bu)3)2 and reduction to diphosphine 7. During catalysis, we hypothesized that this unwanted reactivity could be circumvented by employing a source of fluoride as an additive. This was demonstrated by conducting a Sonogashira-type reaction between 1-iodotoluene and 3 in the presence of 10 mol% Na2PdCl4, 20 mol% P(t-Bu)Cy2, and 5 equiv. of tetramethylammonium fluoride (TMAF), resulting in turnover and the isolation of Ph-C[triple bond, length as m-dash]C-(o-Tol) as the major product.
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Affiliation(s)
- Daniel Y Zhou
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
| | - Preston M Miura-Akagi
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
| | - Sierra M McCarty
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
| | - Celeste H Guiles
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
| | - Timothy J O'Donnell
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
| | - Wesley Y Yoshida
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
| | - Colleen E Krause
- Department of Chemistry, University of Hartford, 200 Bloomfield Avenue, West Hartford, Connecticut 06117, USA
| | - Arnold L Rheingold
- Department of Chemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA
| | - Russell P Hughes
- 6128 Burke Laboratory, Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, USA
| | - Matthew F Cain
- Department of Chemistry, University of Hawai'i at Mānoa, 2545 McCarthy Mall, Honolulu, Hawaii 96822, USA.
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25
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Aksoy M, Kilic H, Nişancı B, Metin Ö. Recent advances in the development of palladium nanocatalysts for sustainable organic transformations. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01283a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this review, we highlighted Pd nanocatalysts which have been used in the development of sustainable organic transformations including transfer hydrogenation, C–H bond activation, and some carbon–carbon couplings in the last five years.
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Affiliation(s)
- Merve Aksoy
- Department of Chemistry
- College of Sciences
- Koç University
- Istanbul
- Turkey
| | - Haydar Kilic
- Oltu Vocational Training School
- Atatürk University
- Erzurum
- Turkey
| | - Bilal Nişancı
- Department of Chemistry
- Faculty of Sciences
- Atatürk University
- 25240 Erzurum
- Turkey
| | - Önder Metin
- Department of Chemistry
- College of Sciences
- Koç University
- Istanbul
- Turkey
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26
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van Venrooy A, García-López V, Li JT, Tour JM, Dubrovskiy AV. Nanocars with Permanent Dipoles: Preparing for the Second International Nanocar Race. J Org Chem 2020; 85:13644-13654. [PMID: 33085894 DOI: 10.1021/acs.joc.0c01811] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
With the desire to synthesize surface-rolling molecular machines that can be translated and rotated with extreme precision and speed, we have synthesized a series of five nanocars. Each structure features a permanent dipole moment, generated by an N,N-dimethylamino- moiety on one end of the car coupled with a nitro group on the other end. These cars are designed to be stimulated with an electric field gradient from a scanning probe microscopy tip. The nanocars all possess unexplored combinations of structural features: tert-butyl wheels, short alkyne chassis, and combination sets of wheels including one set of tert-butyl wheels and another set of larger adamantane wheels on the same car. Each of these features needs to be assessed as preparation for the second International Nanocar Race that is taking place in 2022.
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Affiliation(s)
| | | | | | | | - Anton V Dubrovskiy
- Department of Physical and Applied Sciences, University of Houston-Clear Lake, 2700 Bay Area Boulevard, Houston, Texas 77058, United States
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27
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Heidrich M, Plenio H. Efficient [(NHC)Au(NTf 2)]-catalyzed hydrohydrazidation of terminal and internal alkynes. Beilstein J Org Chem 2020; 16:2080-2086. [PMID: 32952724 PMCID: PMC7476583 DOI: 10.3762/bjoc.16.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/11/2020] [Indexed: 11/23/2022] Open
Abstract
The efficient hydrohydrazidation of terminal (6a–r, 18 examples, 0.1–0.2 mol % [(NHC)Au(NTf2)], T = 60 °C) and internal alkynes (7a–j, 10 examples, 0.2–0.5 mol % [(NHC)Au(NTf2)], T = 60–80 °C) utilizing a complex with a sterically demanding bispentiptycenyl-substituted NHC ligand and the benign reaction solvent anisole, is reported.
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Affiliation(s)
- Maximillian Heidrich
- Organometallic Chemistry, Technische Universität Darmstadt, Alarich-Weiss-Str. 12, 64287 Darmstadt, Germany
| | - Herbert Plenio
- Organometallic Chemistry, Technische Universität Darmstadt, Alarich-Weiss-Str. 12, 64287 Darmstadt, Germany
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28
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Martek BA, Gazvoda M, Urankar D, Košmrlj J. Designing Homogeneous Copper-Free Sonogashira Reaction through a Prism of Pd-Pd Transmetalation. Org Lett 2020; 22:4938-4943. [PMID: 32379458 PMCID: PMC7341530 DOI: 10.1021/acs.orglett.0c01227] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Simultaneous introduction
of two different palladium (pre)catalysts,
one tuned to promote oxidative addition to (hetero)aryl bromide and
another to activate terminal alkyne substrate, leads to productive
Pd–Pd transmetalation, subsequent reductive elimination, and
formation of disubstituted alkyne. This conceptually novel rational
design of copper-free Sonogashira reaction enabled facile identification
of the reaction conditions, suitable for the synthesis of alkyl, aryl,
and heteroaryl substituted alkynes at room temperature with as low
as 0.125 mol % total Pd loading.
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Affiliation(s)
- Bruno A Martek
- 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
| | - Damijana Urankar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
| | - Janez Košmrlj
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia
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29
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Ferrazzano L, Martelli G, Fantoni T, Daka A, Corbisiero D, Viola A, Ricci A, Cabri W, Tolomelli A. Fast Heck-Cassar-Sonogashira (HCS) Reactions in Green Solvents. Org Lett 2020; 22:3969-3973. [PMID: 32342693 PMCID: PMC8007125 DOI: 10.1021/acs.orglett.0c01269] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
The replacement of
toxic solvents with greener alternatives in
Heck–Cassar–Sonogashira (HCS) cross-couplings was investigated.
The fine-tuning of the HCS protocol allowed to achieve complete conversions
and high speed under mild conditions. N-Hydroxyethylpyrrolidone
(HEP) gave the best results. Moreover, the methodology was successfully
applied to the synthesis of an intermediate of the anticancer drug
Erlotinib, demonstrating the versatility of the new green protocol.
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Affiliation(s)
- L Ferrazzano
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - G Martelli
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - T Fantoni
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - A Daka
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - D Corbisiero
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - A Viola
- Fresenius Kabi iPSUM Srl, I&D, Via San Leonardo 23, 45010 Villadose (RO), Italy
| | - A Ricci
- Fresenius Kabi iPSUM Srl, I&D, Via San Leonardo 23, 45010 Villadose (RO), Italy
| | - W Cabri
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy.,Fresenius Kabi iPSUM Srl, I&D, Via San Leonardo 23, 45010 Villadose (RO), Italy
| | - A Tolomelli
- Department of Chemistry "G. Ciamician", Alma Mater Studiorum-University of Bologna, Via Selmi 2, 40126 Bologna, Italy
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30
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Votkina DE, Petunin PV, Zhivetyeva SI, Bagryanskaya IY, Uvarov MN, Kazantsev MS, Trusova ME, Tretyakov EV, Postnikov PS. Preparation of Multi-Spin Systems: A Case Study of Tolane-Bridged Verdazyl-Based Hetero-Diradicals. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000044] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Darya E. Votkina
- Research School of Chemistry & Applied Biomedical Sciences; Tomsk Polytechnic University; 30 Lenin Avenue 634050 Tomsk Russia
| | - Pavel V. Petunin
- Research School of Chemistry & Applied Biomedical Sciences; Tomsk Polytechnic University; 30 Lenin Avenue 634050 Tomsk Russia
- Siberian State Medical University; 2 Moskovskiy trakt 634050 Tomsk Russia
| | - Svetlana I. Zhivetyeva
- N. N. Vorozhtsov Institute of Organic Chemistry; Siberian Branch of Russian Academy of Sciences (SB RAS); 9 Ac. Lavrentiev Avenue 630090 Novosibirsk Russia
| | - Irina Yu. Bagryanskaya
- N. N. Vorozhtsov Institute of Organic Chemistry; Siberian Branch of Russian Academy of Sciences (SB RAS); 9 Ac. Lavrentiev Avenue 630090 Novosibirsk Russia
- Novosibirsk State University; 2 Pirogova Str. 630090 Novosibirsk Russia
| | - Mikhail N. Uvarov
- Novosibirsk State University; 2 Pirogova Str. 630090 Novosibirsk Russia
- SB RAS; V.V. Voevodsky Institute of Chemical Kinetics and Combustion; 3 Institutskaya Str. 630090 Novosibirsk Russia
| | - Maxim S. Kazantsev
- N. N. Vorozhtsov Institute of Organic Chemistry; Siberian Branch of Russian Academy of Sciences (SB RAS); 9 Ac. Lavrentiev Avenue 630090 Novosibirsk Russia
| | - Marina E. Trusova
- Research School of Chemistry & Applied Biomedical Sciences; Tomsk Polytechnic University; 30 Lenin Avenue 634050 Tomsk Russia
| | - Evgeny V. Tretyakov
- N. N. Vorozhtsov Institute of Organic Chemistry; Siberian Branch of Russian Academy of Sciences (SB RAS); 9 Ac. Lavrentiev Avenue 630090 Novosibirsk Russia
- Novosibirsk State University; 2 Pirogova Str. 630090 Novosibirsk Russia
| | - Pavel S. Postnikov
- Research School of Chemistry & Applied Biomedical Sciences; Tomsk Polytechnic University; 30 Lenin Avenue 634050 Tomsk Russia
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31
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Chakraborty B, Chettri E. Mechanochemical synthesis of some heterocyclic molecules using Sonogashira cross-coupling reaction and their anticancer activities. RESULTS IN CHEMISTRY 2020. [DOI: 10.1016/j.rechem.2020.100037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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32
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Comparative study of the effects of ortho-, meta- and para-carboranes (C2B10H12) on the physicochemical properties, cytotoxicity and antiviral activity of uridine and 2′-deoxyuridine boron cluster conjugates. Bioorg Chem 2020; 94:103466. [DOI: 10.1016/j.bioorg.2019.103466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 10/01/2019] [Accepted: 11/21/2019] [Indexed: 02/07/2023]
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33
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De Cattelle A, Billen A, O’Rourke G, Brullot W, Verbiest T, Koeckelberghs G. Ligand-free, recyclable palladium-functionalized magnetite nanoparticles as a catalyst in the Suzuki-, Sonogashira, and Stille reaction. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.121005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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34
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Hamasaka G, Roy D, Tazawa A, Uozumi Y. Arylation of Terminal Alkynes by Aryl Iodides Catalyzed by a Parts-per-Million Loading of Palladium Acetate. ACS Catal 2019. [DOI: 10.1021/acscatal.9b04593] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Go Hamasaka
- Institute for Molecular Science (IMS), Myodaiji, Okazaki 444-8787, Japan
| | - David Roy
- Institute for Molecular Science (IMS), Myodaiji, Okazaki 444-8787, Japan
| | - Aya Tazawa
- Institute for Molecular Science (IMS), Myodaiji, Okazaki 444-8787, Japan
| | - Yasuhiro Uozumi
- Institute for Molecular Science (IMS), Myodaiji, Okazaki 444-8787, Japan
- JST-ACCEL, Myodaiji, Okazaki 444-8787, Japan
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35
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Burtea A, DeForest J, Li X, Rychnovsky SD. Total Synthesis of (-)-Himeradine A. Angew Chem Int Ed Engl 2019; 58:16193-16197. [PMID: 31491044 DOI: 10.1002/anie.201910129] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Indexed: 01/09/2023]
Abstract
(-)-Himeradine A is a complex lycopodium alkaloid with seven rings and ten stereogenic centers that shows anticancer activity against lymphoma L1210 cells. A total synthesis has been developed that builds off prior work on (+)-fastigiatine. A 2,4,6-trisubstitited piperidine ring forms the core of the quinolizidine segment, and was prepared by diastereoselective reduction of a pyridine and classic resolution of an intermediate. The remaining secondary amine was introduced with a catalyst-controlled Overman rearrangement. The piperidine segment was coupled in a B-alkyl Suzuki reaction with a bicyclic bromoenone, which was a key intermediate for the synthesis of (+)-fastigiatine. The final transformation featured a transannular Mannich reaction and cyclization to complete the quinolizidine. Five bonds and four new rings were generated in this one-pot procedure. (-)-Himeradine A was prepared in 17 steps in the longest linear sequence.
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Affiliation(s)
- Alexander Burtea
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, Irvine, CA, 92697, USA
| | - Jacob DeForest
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, Irvine, CA, 92697, USA
| | - Xinting Li
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, Irvine, CA, 92697, USA
| | - Scott D Rychnovsky
- Department of Chemistry, 1102 Natural Sciences II, University of California, Irvine, Irvine, CA, 92697, USA
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36
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Burtea A, DeForest J, Li X, Rychnovsky SD. Total Synthesis of (−)‐Himeradine A. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910129] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Alexander Burtea
- Department of Chemistry1102 Natural Sciences IIUniversity of California, Irvine Irvine CA 92697 USA
| | - Jacob DeForest
- Department of Chemistry1102 Natural Sciences IIUniversity of California, Irvine Irvine CA 92697 USA
| | - Xinting Li
- Department of Chemistry1102 Natural Sciences IIUniversity of California, Irvine Irvine CA 92697 USA
| | - Scott D. Rychnovsky
- Department of Chemistry1102 Natural Sciences IIUniversity of California, Irvine Irvine CA 92697 USA
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37
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Tber Z, Biteau NG, Agrofoglio L, Cros J, Goffinont S, Castaing B, Nicolas C, Roy V. Microwave-Assisted Suzuki-Miyaura and Sonogashira Coupling of 4-Chloro-2-(trifluoromethyl)pyrido[1,2- e
]purine Derivatives. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900921] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zahira Tber
- Institut de Chimie Organique et Analytique, UMR CNRS 7311; Université d'Orléans; Rue de Chartres - BP 6759, 45067 Orléans cedex 2 France
| | - Nicolas G. Biteau
- Institut de Chimie Organique et Analytique, UMR CNRS 7311; Université d'Orléans; Rue de Chartres - BP 6759, 45067 Orléans cedex 2 France
| | - Luigi Agrofoglio
- Institut de Chimie Organique et Analytique, UMR CNRS 7311; Université d'Orléans; Rue de Chartres - BP 6759, 45067 Orléans cedex 2 France
| | - Julien Cros
- Centre de Biophysique Moléculaire; 45072 Orléans France
| | | | | | - Cyril Nicolas
- Institut de Chimie Organique et Analytique, UMR CNRS 7311; Université d'Orléans; Rue de Chartres - BP 6759, 45067 Orléans cedex 2 France
| | - Vincent Roy
- Institut de Chimie Organique et Analytique, UMR CNRS 7311; Université d'Orléans; Rue de Chartres - BP 6759, 45067 Orléans cedex 2 France
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38
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Sapegin A, Krasavin M. One-Pot Conversion of Aldehydes and Aryl Halides to Disubstituted Alkynes via Tandem Seyferth–Gilbert Homologation/Copper-Free Sonogashira Coupling. J Org Chem 2019; 84:8788-8795. [DOI: 10.1021/acs.joc.9b01367] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
| | - Mikhail Krasavin
- Saint Petersburg State University, Saint Petersburg 199034, Russia
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39
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Comparative study of inorganic, boron-rich cluster and organic, phenyl adenosine modifications: synthesis and properties. Future Med Chem 2019; 11:1267-1284. [DOI: 10.4155/fmc-2018-0517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Background: Nucleoside analogs are important class of chemotherapeutics. One of the original openings in the nucleoside medicinal chemistry was derivatives comprising a boron cluster component. Results: A series of adenosine derivative pairs containing inorganic boron cluster or alternatively its mimic, organic phenyl modification were synthesized and their physicochemical and biological properties compared. Marked effects of boron clusters, which are qualitatively and quantitatively different from the phenyl group effects, were detected. The studied characteristics include syn/ anti conformation, lipophilicity, cytotoxicity and antiviral activity, as well as phosphorylation by adenosine kinase. Conclusion: The obtained results demonstrate usefulness of the boron clusters for tuning properties of biomolecules and prove their potential as modifying units in design of future therapeutics based on nucleoside structures.
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40
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Onoabedje EA, Okoro UC. Ligand-supported palladium-catalyzed cross-coupling reactions of (hetero) aryl chlorides. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1587778] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
| | - Uchechukwu Chris Okoro
- Department of Pure & Industrial Chemistry, University of Nigeria, Nsukka, Enugu State, Nigeria
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41
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Rossi R, Angelici G, Casotti G, Manzini C, Lessi M. Catalytic Synthesis of 1,2,4,5‐Tetrasubstituted 1
H
‐Imidazole Derivatives: State of the Art. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801381] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Renzo Rossi
- Dipartimento di Chimica e Chimica IndustrialeUniversity of Pisa via G. Moruzzi 13 56124 Pisa Italy
| | - Gaetano Angelici
- Dipartimento di Chimica e Chimica IndustrialeUniversity of Pisa via G. Moruzzi 13 56124 Pisa Italy
| | - Gianluca Casotti
- Dipartimento di Chimica e Chimica IndustrialeUniversity of Pisa via G. Moruzzi 13 56124 Pisa Italy
| | - Chiara Manzini
- Dipartimento di Chimica e Chimica IndustrialeUniversity of Pisa via G. Moruzzi 13 56124 Pisa Italy
| | - Marco Lessi
- Dipartimento di Chimica e Chimica IndustrialeUniversity of Pisa via G. Moruzzi 13 56124 Pisa Italy
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42
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Sarmah M, Neog AB, Boruah PK, Das MR, Bharali P, Bora U. Effect of Substrates on Catalytic Activity of Biogenic Palladium Nanoparticles in C-C Cross-Coupling Reactions. ACS OMEGA 2019; 4:3329-3340. [PMID: 31459548 PMCID: PMC6648794 DOI: 10.1021/acsomega.8b02697] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/22/2019] [Indexed: 05/27/2023]
Abstract
This work describes a practical methodology for C-C bond formation reactions with the aid of biogenic palladium nanoparticles, which are synthesized by using phytochemicals extracted from two common plant species. Comparative studies have been done on the activity of two plant species (Ocimum sanctum and Aloe vera) in generation of palladium nanoparticles via ex situ and in situ methods. The structural and morphological characteristics of the nanoparticles are examined by UV/visible spectroscopy, powder X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and transmission electron microscopy analyses. We have observed a significant influence of the substrates on the catalytic activity of the palladium nanoparticles in Sonogashira and Suzuki cross-coupling reactions.
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Affiliation(s)
- Manashi Sarmah
- Department
of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Arindom B. Neog
- Department
of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Purna K. Boruah
- Advanced
Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006 Assam, India
- Academy
of Scientific and Innovative Research (AcSIR), CSIR-NEIST Campus, Jorhat 785006, India
| | - Manash R. Das
- Advanced
Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006 Assam, India
- Academy
of Scientific and Innovative Research (AcSIR), CSIR-NEIST Campus, Jorhat 785006, India
| | - Pankaj Bharali
- Department
of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Utpal Bora
- Department
of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
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43
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Gómez-Herrera A, Nahra F, Wu J, Izquierdo F, Brill M, Cazin CSJ, Nolan SP. Synthesis of Di-Substituted Alkynes via
Palladium-Catalyzed Decarboxylative Coupling and C-H Activation. ChemistrySelect 2019. [DOI: 10.1002/slct.201803805] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Fady Nahra
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University, Krijgslaan 281 - S3; 9000 Gent Belgium
| | - Jiufeng Wu
- School of Chemistry; University of St Andrews; St Andrews KY16 9ST UK
| | | | - Marcel Brill
- School of Chemistry; University of St Andrews; St Andrews KY16 9ST UK
| | - Catherine S. J. Cazin
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University, Krijgslaan 281 - S3; 9000 Gent Belgium
| | - Steven P. Nolan
- Department of Chemistry and Centre for Sustainable Chemistry; Ghent University, Krijgslaan 281 - S3; 9000 Gent Belgium
- Chemistry Department; College of Science, King Saud University, PO Box 2455; Riyadh 11451 Saudi Arabia
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44
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Kasun ZA, Sato H, Nie J, Mori Y, Bender JA, Roberts ST, Krische MJ. Alternating oligo( o, p-phenylenes) via ruthenium catalyzed diol-diene benzannulation: orthogonality to cross-coupling enables de novo nanographene and PAH construction. Chem Sci 2018; 9:7866-7873. [PMID: 30429996 PMCID: PMC6194800 DOI: 10.1039/c8sc03236j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Accepted: 08/17/2018] [Indexed: 01/05/2023] Open
Abstract
Ruthenium(0) catalyzed diol-diene benzannulation is applied to the conversion of oligo(p-phenylene vinylenes) 2a-c, 5 and 6 to alternating oligo(o,p-phenylenes) 10a-c, 11-13. Orthogonality with respect to conventional palladium catalyzed biaryl cross-coupling permits construction of p-bromo-terminated alternating oligo(o,p-phenylenes) 10b, 11-13, which can be engaged in Suzuki cross-coupling and Scholl oxidation. In this way, structurally homogeneous nanographenes 16a-f are prepared. Nanographene 16a, which incorporates 14 fused benzene rings, was characterized by single crystal X-ray diffraction. In a similar fashion, p-bromo-terminated oligo(p-phenylene ethane diol) 9, which contains a 1,3,5-trisubstituted benzene core, is converted to the soluble, structurally homogeneous hexa-peri-hexabenzocoronene 18. A benzothiophene-terminated pentamer 10c was prepared and subjected to Scholl oxidation to furnish the helical bis(benzothiophene)-fused picene derivative 14. The steady-state absorption and emission properties of nanographenes 14, 16a,b,d,e,h and 18 were characterized. These studies illustrate how orthogonality of ruthenium(0) catalyzed diol-diene benzannulation with respect to classical biaryl cross-coupling streamlines oligophenylene and nanographene construction.
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Affiliation(s)
- Zachary A Kasun
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
| | - Hiroki Sato
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
| | - Jing Nie
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
| | - Yasuyuki Mori
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
| | - Jon A Bender
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
| | - Sean T Roberts
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
| | - Michael J Krische
- University of Texas at Austin , Department of Chemistry , Austin , TX 78712 , USA . ;
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45
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Yasaka N, Kishikawa N, Higashijima T, Ohyama K, Kuroda N. The Utility of Sonogashira Coupling Reaction for the Derivatization of Aryl Halides with Fluorescent Alkyne. ANAL SCI 2018; 34:1183-1188. [PMID: 30305595 DOI: 10.2116/analsci.18p117] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Aryl halides are a very important category of compounds that include many vital drugs and key industrial additives, such as clofibrate and bromobenzene, respectively. Due to their importance, our research group previously developed a novel fluorescence labeling approach for their analysis using a fluorescent aryl boronic acid as a reagent, based on the Suzuki coupling reaction. This coupling reaction was successfully applied for the determination of aryl halides in biological fluids; however, there was a limitation of low reactivity towards ortho-substituted aryl halides. In the present study, a novel fluorescence derivatization approach for aryl halides was developed using, 2-(4-ethynylphenyl)-4,5-diphenyl-1H-imidazole (DIB-ET) as a fluorescent alkyne reagent, based on the Sonogashira coupling reaction. DIB-ET reacted with aryl bromides in the presence of palladium and copper as catalysts, yielding fluorescent derivatives that could be subsequently determined by an HPLC system with fluorescence detection. The detection limits (S/N = 3) for aryl bromides were in the range of 14 - 23 nM, which is 3.5 - 18-times more sensitive than our previously developed approach, Suzuki coupling derivatization. Moreover, in contrast to the previous technique, the reactivity of DIB-ET to ortho-substituted aryl bromides was almost equivalent to that of the para-substituted aryl bromides. Hence, by using this newly developed approach we could label the aryl halides with more sensitivity and reactivity. Finally, the proposed method was successfully applied for the selective determination of aryl bromides in human serum with good recovery (84.6 - 107%), which proves the ability of the developed method to determine occupational exposure to aryl halides.
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Affiliation(s)
- Naoyuki Yasaka
- Graduate School of Biomedical Sciences, Course of Pharmaceutical Sciences, Nagasaki University
| | - Naoya Kishikawa
- Graduate School of Biomedical Sciences, Course of Pharmaceutical Sciences, Nagasaki University
| | - Takumi Higashijima
- Graduate School of Biomedical Sciences, Course of Pharmaceutical Sciences, Nagasaki University
| | - Kaname Ohyama
- Graduate School of Biomedical Sciences, Course of Pharmaceutical Sciences, Nagasaki University
| | - Naotaka Kuroda
- Graduate School of Biomedical Sciences, Course of Pharmaceutical Sciences, Nagasaki University
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46
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Liu J, Cheng R, Wu H, Li S, Wang PG, DeGrado WF, Rozovsky S, Wang L. Building and Breaking Bonds via a Compact S-Propargyl-Cysteine to Chemically Control Enzymes and Modify Proteins. Angew Chem Int Ed Engl 2018; 57:12702-12706. [PMID: 30118570 PMCID: PMC6169525 DOI: 10.1002/anie.201806197] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/30/2018] [Indexed: 02/03/2023]
Abstract
Analogous to reversible post-translational protein modifications, the ability to attach and subsequently remove modifications on proteins would be valuable for protein and biological research. Although bioorthogonal functionalities have been developed to conjugate or cleave protein modifications, they are introduced into proteins on separate residues and often with bulky side chains, limiting their use to one type of control and primarily protein surface. Here we achieved dual control on one residue by genetically encoding S-propargyl-cysteine (SprC), which has bioorthogonal alkyne and propargyl groups in a compact structure, permitting usage in protein interior in addition to surface. We demonstrated its incorporation at the dimer interface of glutathione transferase for in vivo crosslinking via thiol-yne click chemistry, and at the active site of human rhinovirus 3C protease for masking and then turning on enzyme activity via Pd-cleavage of SprC into Cys. In addition, we installed biotin onto EGFP via Sonogashira coupling of SprC and then tracelessly removed it via Pd cleavage. SprC is small in size, commercially available, nontoxic, and allows for bond building and breaking on a single residue. Genetically encoded SprC will be valuable for chemically controlling proteins with an essential Cys and for reversible protein modifications.
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Affiliation(s)
- Jun Liu
- Dr. J. Liu, Dr. H. Wu, S. Li, Prof. W. F. DeGrado, and Prof. L. Wang University of California, San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA, 94158
| | - Rujin Cheng
- R. Cheng, and Prof. S. Rozovsky.University of Delaware, Department of Chemistry and Biochemistry, Newark, DE, 19716
| | - Haifan Wu
- Dr. J. Liu, Dr. H. Wu, S. Li, Prof. W. F. DeGrado, and Prof. L. Wang University of California, San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA, 94158
| | - Shanshan Li
- Dr. J. Liu, Dr. H. Wu, S. Li, Prof. W. F. DeGrado, and Prof. L. Wang University of California, San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA, 94158
- S. Li, Prof. P.G. Wang Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, Georgia 30302
| | - Peng G. Wang
- S. Li, Prof. P.G. Wang Department of Chemistry and Center for Therapeutics and Diagnostics, Georgia State University, Atlanta, Georgia 30302
| | - William F. DeGrado
- Dr. J. Liu, Dr. H. Wu, S. Li, Prof. W. F. DeGrado, and Prof. L. Wang University of California, San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA, 94158
| | - Sharon Rozovsky
- R. Cheng, and Prof. S. Rozovsky.University of Delaware, Department of Chemistry and Biochemistry, Newark, DE, 19716
| | - Lei Wang
- Dr. J. Liu, Dr. H. Wu, S. Li, Prof. W. F. DeGrado, and Prof. L. Wang University of California, San Francisco, Department of Pharmaceutical Chemistry, San Francisco, CA, 94158
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47
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Servalli M, Trapp N, Schlüter AD. Single-Crystal-to-Single-Crystal (SCSC) Linear Polymerization of a Desymmetrized Anthraphane. Chemistry 2018; 24:15003-15012. [PMID: 29984526 DOI: 10.1002/chem.201802513] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Indexed: 11/06/2022]
Abstract
In this work we present one of the rare cases of single-crystal-to-single-crystal (SCSC) linear polymerizations, resulting in a novel ladder-type polymer. The polymerization is based on the photoinduced [4+4]-cycloaddition reactions between trifunctional anthracene-based monomers. The careful design of the monomer anthraphane-tri(OMe), results in perfectly stacked anthracene pairs in the crystal structure, with Schmidt's distances d=3.505-3.666 Å and shift s=1.109 Å, allowing a selective linear polymerization in quantitative yields and in a matter of minutes, without compromising the integrity of the single crystals. The obtained polyanthraphane-tri(OMe), reveals moreover a very interesting and unprecedented case of stereoisomerism, which is characteristic for polyanthraphanes.
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Affiliation(s)
- Marco Servalli
- Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093, Zürich, Switzerland
| | - Nils Trapp
- Small Molecule Crystallography Center (SMoCC), Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, 8093, Zürich, Switzerland
| | - A Dieter Schlüter
- Department of Materials, ETH Zürich, Vladimir-Prelog-Weg 5, 8093, Zürich, Switzerland
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48
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Liu J, Cheng R, Wu H, Li S, Wang PG, DeGrado WF, Rozovsky S, Wang L. Building and Breaking Bonds via a Compact S‐Propargyl‐Cysteine to Chemically Control Enzymes and Modify Proteins. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jun Liu
- University of California, San Francisco Department of Pharmaceutical Chemistry San Francisco CA 94158 USA
| | - Rujin Cheng
- University of Delaware Department of Chemistry and Biochemistry Newark DE 19716 USA
| | - Haifan Wu
- University of California, San Francisco Department of Pharmaceutical Chemistry San Francisco CA 94158 USA
| | - Shanshan Li
- University of California, San Francisco Department of Pharmaceutical Chemistry San Francisco CA 94158 USA
- Department of Chemistry and Center for Therapeutics and Diagnostics Georgia State University Atlanta GA 30302 USA
| | - Peng G. Wang
- Department of Chemistry and Center for Therapeutics and Diagnostics Georgia State University Atlanta GA 30302 USA
| | - William F. DeGrado
- University of California, San Francisco Department of Pharmaceutical Chemistry San Francisco CA 94158 USA
| | - Sharon Rozovsky
- University of Delaware Department of Chemistry and Biochemistry Newark DE 19716 USA
| | - Lei Wang
- University of California, San Francisco Department of Pharmaceutical Chemistry San Francisco CA 94158 USA
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Magnetically retrievable N-heterocyclic carbene-silver complex with wingtip ferrocenyl group for Sonogashira coupling. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.04.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Dewan A, Sarmah M, Thakur AJ, Bharali P, Bora U. Greener Biogenic Approach for the Synthesis of Palladium Nanoparticles Using Papaya Peel: An Eco-Friendly Catalyst for C-C Coupling Reaction. ACS OMEGA 2018; 3:5327-5335. [PMID: 31458742 PMCID: PMC6641936 DOI: 10.1021/acsomega.8b00039] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 04/30/2018] [Indexed: 05/02/2023]
Abstract
The development of a green and sustainable synthetic methodology still remains a challenge across the globe. Encouraging the prevailing challenge, herein, we have synthesized Pd nanoparticles (Pd NPs) in a green and environmentally viable route, using the extract of waste papaya peel without the assistance of any reducing agents, high-temperature calcination, and reduction procedures. The biomolecules present in the waste papaya peel extract reduced Pd(II) to nanosize Pd(0) in a one-pot green and sustainable process. As a catalyst, the new Pd NPs offer a simple and efficient methodology in direct Suzuki-Miyaura and Sonogashira coupling with excellent yields under mild reaction conditions.
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Affiliation(s)
- Anindita Dewan
- Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Manashi Sarmah
- Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Ashim J. Thakur
- Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Pankaj Bharali
- Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
| | - Utpal Bora
- Department of Chemical Sciences, Tezpur University, Napaam, Tezpur, Assam 784028, India
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