1
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Dehnert BW, Dworkin JH, Kwon O. Dealkenylative Functionalizations: Conversion of Alkene C(sp 3)-C(sp 2) Bonds into C(sp 3)-X Bonds via Redox-Based Radical Processes. SYNTHESIS-STUTTGART 2024; 56:71-86. [PMID: 38832211 PMCID: PMC11147281 DOI: 10.1055/a-2044-4571] [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] [Indexed: 03/05/2023]
Abstract
This review highlights the history and recent advances in dealkenylative functionalization. Through this deconstructive strategy, radical functionalizations occur under mild, robust conditions. The reactions described proceed with high efficiency, good stereoselectivity, tolerate many functional groups, and are completed within a matter of minutes. By cleaving the C(sp3)-C(sp2) bond of terpenes and terpenoid-derived precursors, rapid diversification of natural products is possible.
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Affiliation(s)
- Brady W Dehnert
- Department of Chemistry and Biochemistry, University of California-Los Angeles, Los Angeles, CA 90095, USA
| | - Jeremy H Dworkin
- Department of Chemistry and Biochemistry, University of California-Los Angeles, Los Angeles, CA 90095, USA
| | - Ohyun Kwon
- Department of Chemistry and Biochemistry, University of California-Los Angeles, Los Angeles, CA 90095, USA
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2
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Sims HS, Dai M. Palladium-Catalyzed Carbonylations: Application in Complex Natural Product Total Synthesis and Recent Developments. J Org Chem 2023; 88:4925-4941. [PMID: 36705327 PMCID: PMC10127288 DOI: 10.1021/acs.joc.2c02746] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Carbon monoxide is a cheap and abundant C1 building block that can be readily incorporated into organic molecules to rapidly build structural complexity. In this Perspective, we outline several recent (since 2015) examples of palladium-catalyzed carbonylations in streamlining complex natural product total synthesis and highlight the strategic importance of these carbonylation reactions in the corresponding synthesis. The selected examples include spinosyn A, callyspongiolide, perseanol, schizozygane alkaloids, cephanolides, and bisdehydroneostemoninine and related stemona alkaloids. We also provide our perspective about the recent advancements and future developments of palladium-catalyzed carbonylations.
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Affiliation(s)
- Hunter S Sims
- Department of Chemistry, Emory University, Atlanta, Georgia30322, United States.,Department of Chemistry, Purdue University, West Lafayette, Indiana47907, United States
| | - Mingji Dai
- Department of Chemistry, Emory University, Atlanta, Georgia30322, United States
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3
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Gribble GW. Naturally Occurring Organohalogen Compounds-A Comprehensive Review. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 121:1-546. [PMID: 37488466 DOI: 10.1007/978-3-031-26629-4_1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
The present volume is the third in a trilogy that documents naturally occurring organohalogen compounds, bringing the total number-from fewer than 25 in 1968-to approximately 8000 compounds to date. Nearly all of these natural products contain chlorine or bromine, with a few containing iodine and, fewer still, fluorine. Produced by ubiquitous marine (algae, sponges, corals, bryozoa, nudibranchs, fungi, bacteria) and terrestrial organisms (plants, fungi, bacteria, insects, higher animals) and universal abiotic processes (volcanos, forest fires, geothermal events), organohalogens pervade the global ecosystem. Newly identified extraterrestrial sources are also documented. In addition to chemical structures, biological activity, biohalogenation, biodegradation, natural function, and future outlook are presented.
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Affiliation(s)
- Gordon W Gribble
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA.
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4
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Cobalt nanoparticle adorned on boron- and nitrogen-doped 2D-carbon material for Sonogashira cross-coupling reactions: Greener and efficient synthesis of anti-cancer drug, Ponatinib. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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5
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Díaz-Ruiz M, Urbina A, Llor N, Bosch J, Amat M, Maseras F. Origin of the selectivity in the ring-closing metathesis step of the synthesis of (−)-callyspongiolide: Formation of fourteen-versus eight-membered rings. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Ha J, Park SB. Callyspongiolide kills cells by inducing mitochondrial dysfunction via cellular iron depletion. Commun Biol 2021; 4:1123. [PMID: 34556786 PMCID: PMC8460830 DOI: 10.1038/s42003-021-02643-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/01/2021] [Indexed: 12/15/2022] Open
Abstract
The highly cytotoxic marine natural product callyspongiolide holds great promise as a warhead of antibody-drug conjugate in cancer therapeutics; however, the mechanism underlying its cytotoxicity remains unclear. To elucidate how callyspongiolide kills cells, we employed label-free target identification with thermal stability-shift-based fluorescence difference in two-dimensional (2-D) gel electrophoresis (TS-FITGE), which allowed observation of a unique phenomenon of protein-spot separation on 2-D gels upon treatment with callyspongiolide at increasing temperatures. During our exploration of what proteins were associated with this phenomenon as well as why it happens, we found that callyspongiolide induces mitochondrial/lysosomal dysfunction and autophagy inhibition. Moreover, molecular biology studies revealed that callyspongiolide causes lysosomal dysfunction, which induces cellular iron depletion and leads to mitochondrial dysfunction and subsequent cytotoxicity. Notably, these effects were rescued through iron supplementation. Although our approach was unable to reveal the direct protein targets of callyspongiolide, unique phenomena observed only by TS-FITGE provided critical insight into the mechanism of action of callyspongiolide and specifically its cytotoxic activity via induction of mitochondrial dysfunction through cellular iron depletion caused by lysosomal deacidification, which occurred independent of known programmed cell death pathways. In order to elucidate how callyspongiolide, a potent cytotoxic marine natural product, kills human lung cancer cells, Ha and Park employed TS-FITGE technique, a label-free target identification method with thermal stability-shift-based fluorescence difference in 2-D gel electrophoresis, allowing them to observe protein-spot separation upon treatment in increasing temperatures. They found that callyspongiolide induces lysosomal dysfunction followed by mitochondrial dysfunction as well as iron depletion, which sheds light on the mechanism of action of callyspongiolide.
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Affiliation(s)
- Jaeyoung Ha
- Department of Biophysics and Chemical Biology, Seoul National University, Seoul, 08826, Korea
| | - Seung Bum Park
- Department of Biophysics and Chemical Biology, Seoul National University, Seoul, 08826, Korea. .,CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826, Korea. .,SPARK Biopharma, Inc, Seoul, 08791, Korea.
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7
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Valentini F, Ferlin F, Tomarelli E, Mahmoudi H, Bagherzadeh M, Calamante M, Vaccaro L. A Waste-Minimized Approach to Cassar-Heck Reaction Based on POLITAG-Pd 0 Heterogeneous Catalyst and Recoverable Acetonitrile Azeotrope. CHEMSUSCHEM 2021; 14:3359-3366. [PMID: 34240814 PMCID: PMC8457221 DOI: 10.1002/cssc.202101052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/01/2021] [Indexed: 05/30/2023]
Abstract
Three different Pd0 -based heterogeneous catalysts were developed and tested in the Cassar-Heck reaction (i. e., copper-free Sonogashira reaction) aiming at the definition of a waste minimized protocol. The cross-linked polymeric supports used in this investigation were designed to be adequate for different reaction media and were decorated with different pincer-type ionic ligands having the role of stabilizing the formation and dimension of palladium nanoparticles. Among the ionic tags tested, bis-imidazolium showed the best performances in terms of efficiency and durability of the metal catalytic system. Eventually, aqueous acetonitrile azeotrope was selected as the reaction medium as it allowed the best catalytic efficiency combined with easy recovery and reuse. Finally, the synergy between the selected catalyst and reaction medium allowed to obtain highly satisfactory isolated yields of a variety of substrates while using a low amount of metal catalyst. The high performance of the designed POLymeric Ionic TAG (POLITAG)-Pd0 , along with its good selectivity achieved in a copper-free process, also led to a simplified purification procedure allowing the minimization of the waste generated as also proven by the very low E-factor values (1.4-5) associated.
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Affiliation(s)
- Federica Valentini
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Francesco Ferlin
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Elena Tomarelli
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
| | - Hamed Mahmoudi
- Chemistry DepartmentSharif University of TechnologyTehran P.O Box11155 3615Iran
| | - Mojtaba Bagherzadeh
- Chemistry DepartmentSharif University of TechnologyTehran P.O Box11155 3615Iran
| | - Massimo Calamante
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM)Via Madonna del Piano 1050019Sesto FiorentinoItaly
- Department of Chemistry“U. Schiff”University of FlorenceVia della Lastruccia 1350019Sesto FiorentinoItaly
| | - Luigi Vaccaro
- Dipartimento di Chimica, Biologia e BiotecnologieUniversità degli Studi di PerugiaVia Elce di Sotto, 806124PerugiaItaly
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8
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Lee S, Jeong Y, Roe JS, Huh H, Paik SH, Song J. Mitochondrial dysfunction induced by callyspongiolide promotes autophagy-dependent cell death. BMB Rep 2021. [PMID: 33792534 PMCID: PMC8093938 DOI: 10.5483/bmbrep.2021.54.4.037] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Callyspongiolide is a marine macrolide known to induce caspase-independent cancer cell death. While its toxic effects have been known, the mechanism leading to cell death is yet to be identified. We report that Callyspongiolide R form at C-21 (cally2R) causes mitochondrial dysfunction by inhibiting mitochondrial complex I or II, leading to a disruption of mitochondrial membrane potential and a deprivation of cellular energy. Subsequently, we observed, using electron microscopy, a drastic formation of autophagosome and mitophagy. Supporting these data, LC3, an autophagosome marker, was shown to co-localize with LAMP2, a lysosomal protein, showing autolysosome formation. RNA sequencing results indicated the induction of hypoxia and blocking of EGF-dependent pathways, which could be caused by induction of autophagy. Furthermore, mTOR and AKT pathways preventing autophagy were repressed while AMPK was upregulated, supporting autophagosome progress. Finally, the combination of cally2R with known anti-cancer drugs, such as gefitinib, sorafenib, and rapamycin, led to synergistic cell death, implicating potential therapeutic applications of callyspongiolide for future treatments.
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Affiliation(s)
- Soohyun Lee
- pH Pharma Co., Ltd., Seongnam 13494, Korea
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | | | - Jae-Seok Roe
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | | | | | - Jaewhan Song
- pH Pharma Co., Ltd., Seongnam 13494, Korea
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
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9
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Ko KY, Wilson ZE, Brimble MA. The Synthesis and Bioactivity of the Marine Macrolide Callyspongiolide. Chemistry 2021; 27:2589-2611. [PMID: 32989817 DOI: 10.1002/chem.202003898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Indexed: 11/09/2022]
Abstract
Callyspongiolide, a macrolide natural product with a conjugated diene-ynic side chain, has garnered significant attention from the synthetic community since its isolation from a sea sponge in 2013. Herein, the approaches that have been applied to this bioactive natural product to date are reviewed. These synthetic endeavors have established the absolute stereochemistry of this molecule and allowed further investigation into its promising caspase-independent bioactivity, while also contributing to the wider field of macrolide synthesis.
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Affiliation(s)
- Kwang-Yoon Ko
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, 1142, New Zealand
| | - Zoe E Wilson
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, 1142, New Zealand
| | - Margaret A Brimble
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, 1142, New Zealand
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10
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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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11
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Fuwa H. Structure determination, correction, and disproof of marine macrolide natural products by chemical synthesis. Org Chem Front 2021. [DOI: 10.1039/d1qo00481f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Integration of chemical synthesis, NMR spectroscopy, and various analytical means is key to success in the structure elucidation of stereochemically complex marine macrolide natural products.
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Affiliation(s)
- Haruhiko Fuwa
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Chuo University
- Tokyo 112-8551
- Japan
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12
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Allen MA, Ivanovich RA, Beauchemin AM. O-Isocyanates as Uncharged 1,3-Dipole Equivalents in [3+2] Cycloadditions. Angew Chem Int Ed Engl 2020; 59:23188-23197. [PMID: 32767511 DOI: 10.1002/anie.202007942] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Indexed: 11/10/2022]
Abstract
1,3-Dipoles are commonly used in [3+2] cycloadditions, whereas isoelectronic uncharged dipole variants remain underdeveloped. In contrast to conventional 1,3-dipoles, uncharged dipole equivalents form zwitterionic cycloadducts, which can be exploited to build further molecular complexity. In this work, the first cycloadditions of oxygen-substituted isocyanates (O-isocyanates) were studied experimentally and by DFT calculations. This unique cycloaddition strategy provides access to a novel class of heterocycle aza-oxonium ylides through intramolecular and intermolecular cycloadditions with alkenes. This allowed a systematic study of the reactivity of the transient aza-oxonium ylide intermediate, which can undergo N-O bond cleavage followed by nitrene C-H insertion, and the formation of β-lactams or isoxazolidinones upon varying the structure of the alkene or O-isocyanate reagents.
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Affiliation(s)
- Meredith A Allen
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON, K1N 6N5, Canada
| | - Ryan A Ivanovich
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON, K1N 6N5, Canada
| | - André M Beauchemin
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 150 Louis-Pasteur Pvt, Ottawa, ON, K1N 6N5, Canada
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13
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Allen MA, Ivanovich RA, Beauchemin AM. O
‐Isocyanates as Uncharged 1,3‐Dipole Equivalents in [3+2] Cycloadditions. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Meredith A. Allen
- Centre for Catalysis Research and Innovation Department of Chemistry and Biomolecular Sciences University of Ottawa 150 Louis-Pasteur Pvt Ottawa ON K1N 6N5 Canada
| | - Ryan A. Ivanovich
- Centre for Catalysis Research and Innovation Department of Chemistry and Biomolecular Sciences University of Ottawa 150 Louis-Pasteur Pvt Ottawa ON K1N 6N5 Canada
| | - André M. Beauchemin
- Centre for Catalysis Research and Innovation Department of Chemistry and Biomolecular Sciences University of Ottawa 150 Louis-Pasteur Pvt Ottawa ON K1N 6N5 Canada
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14
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Fogarty S, Ouyang Y, Li L, Chen YC, Rane H, Manoni F, Parra KJ, Rutter J, Harran PG. Callyspongiolide Is a Potent Inhibitor of the Vacuolar ATPase. JOURNAL OF NATURAL PRODUCTS 2020; 83:3381-3386. [PMID: 33151675 DOI: 10.1021/acs.jnatprod.0c00813] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Callyspongiolide is a marine-derived macrolide that kills cells in a caspase-independent manner. NCI COMPARE analysis of human tumor cell line toxicity data for synthetic callyspongiolide indicated that its pattern of cytotoxicity correlated with that seen for concanamycin A, an inhibitor of the vacuolar-type H+-ATPase (V-ATPase). Using yeast as a model system, we report that treatment with synthetic callyspongiolide phenocopied a loss of V-ATPase activity including (1) inability to grow on a nonfermentable carbon source, (2) rescue of cell growth via supplementation with Fe2+, (3) pH-sensitive growth, and (4) a vacuolar acidification defect visualized using the fluorescent dye quinacrine. Crucially, in an in vitro assay, callyspongiolide was found to dose-dependently inhibit yeast V-ATPase (IC50 = 10 nM). Together, these data identify callyspongiolide as a new and highly potent V-ATPase inhibitor. Notably, callyspongiolide is the first V-ATPase inhibitor known to be expelled by Pdr5p.
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Affiliation(s)
- Sarah Fogarty
- Howard Hughes Medical Institute and Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, Utah 84132, United States
| | - Yeyun Ouyang
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, Utah 84132, United States
| | - Liubo Li
- Department of Chemistry and Biochemistry, University of California-Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Yu-Chan Chen
- Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, Utah 84132, United States
| | - Hallie Rane
- Department of Biochemistry and Molecular Biology, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131, United States
| | - Francesco Manoni
- Department of Chemistry and Biochemistry, University of California-Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
| | - Karlett J Parra
- Department of Biochemistry and Molecular Biology, School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico 87131, United States
| | - Jared Rutter
- Howard Hughes Medical Institute and Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, Utah 84132, United States
| | - Patrick G Harran
- Department of Chemistry and Biochemistry, University of California-Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
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15
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Ko K, Wilson ZE, Furkert DP, Brimble MA. A Ring Closing Metathesis Approach to the Formal Synthesis of (+)‐Callyspongiolide. ChemCatChem 2020. [DOI: 10.1002/cctc.202001139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Kwang‐Yoon Ko
- School of Chemical Sciences University of Auckland 23 Symonds Street Auckland 1142 New Zealand
| | - Zoe E. Wilson
- School of Chemical Sciences University of Auckland 23 Symonds Street Auckland 1142 New Zealand
| | - Daniel P. Furkert
- School of Chemical Sciences University of Auckland 23 Symonds Street Auckland 1142 New Zealand
| | - Margaret A. Brimble
- School of Chemical Sciences University of Auckland 23 Symonds Street Auckland 1142 New Zealand
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16
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Urbina A, Llor N, Barbieri MV, Bosch J, Amat M. Enantioselective formal synthesis of the marine macrolide (-)-callyspongiolide. Chem Commun (Camb) 2020; 56:5536-5539. [PMID: 32297621 DOI: 10.1039/d0cc01978j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A short enantioselective synthesis of the macrocyclic core 19 of callyspongiolide, involving a homocrotylboration of aldehyde 4, a Still-Genari olefination, an esterification with alcohol 17, and a ring-closing metathesis, is reported.
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Affiliation(s)
- Aina Urbina
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona-08028, Spain.
| | - Núria Llor
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona-08028, Spain.
| | - Maria Vittoria Barbieri
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona-08028, Spain.
| | - Joan Bosch
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona-08028, Spain.
| | - Mercedes Amat
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, and Institute of Biomedicine (IBUB), University of Barcelona, Barcelona-08028, Spain.
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17
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Bao J, Tian H, Yang P, Deng J, Gui J. Modular Synthesis of Functionalized Butenolides by Oxidative Furan Fragmentation. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901613] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Jiajing Bao
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Hailong Tian
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Peicheng Yang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Jiachen Deng
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Jinghan Gui
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
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18
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Smaligo AJ, Wu J, Burton NR, Hacker AS, Shaikh AC, Quintana JC, Wang R, Xie C, Kwon O. Oxodealkenylative Cleavage of Alkene C(sp
3
)−C(sp
2
) Bonds: A Practical Method for Introducing Carbonyls into Chiral Pool Materials. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Andrew J. Smaligo
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Jason Wu
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Nikolas R. Burton
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Allison S. Hacker
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Aslam C. Shaikh
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Jason C. Quintana
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Ruoxi Wang
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Changmin Xie
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
| | - Ohyun Kwon
- Department of Chemistry & Biochemistry University of California—Los Angeles Los Angeles CA 90095-1569 USA
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19
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Smaligo AJ, Wu J, Burton NR, Hacker AS, Shaikh AC, Quintana JC, Wang R, Xie C, Kwon O. Oxodealkenylative Cleavage of Alkene C(sp 3 )-C(sp 2 ) Bonds: A Practical Method for Introducing Carbonyls into Chiral Pool Materials. Angew Chem Int Ed Engl 2020; 59:1211-1215. [PMID: 31692203 PMCID: PMC6942233 DOI: 10.1002/anie.201913201] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Indexed: 01/01/2023]
Abstract
Reported herein is a one-pot protocol for the oxodealkenylative introduction of carbonyl functionalities into terpenes and terpene-derived compounds. This transformation proceeds by Criegee ozonolysis of an alkene, reductive cleavage of the resulting α-alkoxy hydroperoxide, trapping of the generated alkyl radical with 2,2,6,6-tetramethylpiperidin-1-yl (TEMPO), and subsequent oxidative fragmentation with MMPP. Using readily available starting materials from chiral pool, a variety of carbonyl-containing products have been accessed rapidly in good yields.
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Affiliation(s)
- Andrew J Smaligo
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Jason Wu
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Nikolas R Burton
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Allison S Hacker
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Aslam C Shaikh
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Jason C Quintana
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Ruoxi Wang
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Changmin Xie
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
| | - Ohyun Kwon
- Department of Chemistry & Biochemistry, University of California-Los Angeles, Los Angeles, CA, 90095-1569, USA
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20
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Flourat AL, Haudrechy A, Allais F, Renault JH. (S)-γ-Hydroxymethyl-α,β-butenolide, a Valuable Chiral Synthon: Syntheses, Reactivity, and Applications. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00468] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Amandine L. Flourat
- URD Agro-Biotechnologies Industrielles (ABI), CEBB, AgroParisTech, 51110 Pomacle, France
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, SFR Condorcet FR CNRS 3417, Université de Reims Champagne Ardenne BP 1039, F-51687 Reims Cedex, France
| | - Arnaud Haudrechy
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, SFR Condorcet FR CNRS 3417, Université de Reims Champagne Ardenne BP 1039, F-51687 Reims Cedex, France
| | - Florent Allais
- URD Agro-Biotechnologies Industrielles (ABI), CEBB, AgroParisTech, 51110 Pomacle, France
| | - Jean-Hugues Renault
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, SFR Condorcet FR CNRS 3417, Université de Reims Champagne Ardenne BP 1039, F-51687 Reims Cedex, France
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21
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Abstract
Carbon-carbon bond fragmentations are useful methods for the functionalization of molecules. The value of such cleavage events is maximized when paired with subsequent bond formation. Herein we report a protocol for the cleavage of an alkene C(sp3)-C(sp2) bond, followed by the formation of a new C(sp3)-S bond. This reaction is performed in nonanhydrous solvent and open to the air, employs common starting materials, and can be used to rapidly diversify natural products.
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Affiliation(s)
- Andrew J Smaligo
- Department of Chemistry and Biochemistry , University of California, Los Angeles , Los Angeles , California 90095-1569 , United States
| | - Ohyun Kwon
- Department of Chemistry and Biochemistry , University of California, Los Angeles , Los Angeles , California 90095-1569 , United States
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22
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Jin B, Gallou F, Reilly J, Lipshutz BH. ppm Pd-catalyzed, Cu-free Sonogashira couplings in water using commercially available catalyst precursors. Chem Sci 2019; 10:3481-3485. [PMID: 30996938 PMCID: PMC6438147 DOI: 10.1039/c8sc05618h] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 01/27/2019] [Indexed: 12/15/2022] Open
Abstract
A new catalyst that derives from commercially available precursors for copper-free, Pd-catalyzed Sonogashira reactions at the sustainable ppm level of precious metal palladium under mild aqueous micellar conditions has been developed. Both the palladium pre-catalyst and ligand are commercially available, bench stable, and highly cost-effective. The catalyst is applicable to both aryl- and heteroaryl-bromides as educts. A wide range of functional groups are tolerated and the aqueous reaction medium can be recycled. An application to a key intermediate associated with an active pharmaceutical ingredient (ponatinib) is discussed.
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Affiliation(s)
- Bo Jin
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA .
| | | | - John Reilly
- Novartis Institute for Medical Research , Cambridge , Massachusetts 02139 , USA
| | - Bruce H Lipshutz
- Department of Chemistry and Biochemistry , University of California , Santa Barbara , California 93106 , USA .
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23
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Total Synthesis of trans-Resorcylide via Macrocyclic Stille Carbonylation. J Antibiot (Tokyo) 2019; 72:482-485. [PMID: 30760840 DOI: 10.1038/s41429-019-0145-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 12/26/2018] [Accepted: 12/28/2018] [Indexed: 11/08/2022]
Abstract
The resorcylic macrolides are important natural products with a wide range of remarkable biological activities. So far, most of the reported resorcylic macrolide syntheses use either macrolactonization or ring closing metathesis to build the corresponding macrocycle. In continuation of our efforts in developing novel carbonylation reactions to facilitate natural product total synthesis, we report herein a total synthesis of trans-resorcylide (1) featuring a palladium-catalyzed macrocyclic Stille carbonylation to build its 12-membered macrocycle.
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24
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Abstract
In the presence of a chiral iridium complex, commercially available 3-chloro-2-chloromethyl-1-propene (1) was selectively activated for various reductive couplings. Depending on the reaction conditions it allows a selective mono- or bidirectional condensation with one or two external aldehydes with excellent enantiocontrol (>90% ee). This approach occurring simply under mild conditions and avoiding premetalated reagents constructs rapidly chiral homoallylic alcohols, key precursors of important molecular fragments such as furans, pyrans, ketodiols, or 1,3,5-polyols.
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Affiliation(s)
- Adrien Quintard
- Aix Marseille Univ , CNRS, Centrale Marseille, iSm2 , Marseille 13397 , France
| | - Jean Rodriguez
- Aix Marseille Univ , CNRS, Centrale Marseille, iSm2 , Marseille 13397 , France
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25
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Ma K, Martin BS, Yin X, Dai M. Natural product syntheses via carbonylative cyclizations. Nat Prod Rep 2019; 36:174-219. [PMID: 29923586 DOI: 10.1039/c8np00033f] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review summarizes the application of various transition metal-catalyzed/mediated carbonylative cyclization reactions in natural product total synthesis.
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Affiliation(s)
- Kaiqing Ma
- Department of Chemistry
- Center for Cancer Research
- Institute for Drug Discovery
- Purdue University
- West Lafayette
| | - Brandon S. Martin
- Department of Chemistry
- Center for Cancer Research
- Institute for Drug Discovery
- Purdue University
- West Lafayette
| | - Xianglin Yin
- Department of Chemistry
- Center for Cancer Research
- Institute for Drug Discovery
- Purdue University
- West Lafayette
| | - Mingji Dai
- Department of Chemistry
- Center for Cancer Research
- Institute for Drug Discovery
- Purdue University
- West Lafayette
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26
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Sharma A, Athe S, Ghosh S. Total Synthesis of Callyspongiolide: An Anticancer Marine Natural Product. ACS OMEGA 2018; 3:16563-16575. [PMID: 31458289 PMCID: PMC6643460 DOI: 10.1021/acsomega.8b02156] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 11/20/2018] [Indexed: 06/10/2023]
Abstract
The stereoselective total synthesis of cytotoxic marine macrolide callyspongiolide has been reported. The 14-membered macrolactone ring along with Z-olefin in the molecule was constructed via an intramolecular Horner-Wadsworth-Emmons olefination in a Z-selective fashion. The other E-olefinic moiety as well as the C9 stereocenter was introduced via stereoselective addition of the methyl group in an SN2' fashion. The C5 stereocenter was installed via Sakurai allylation, whereas the C7 center was fixed by Jacobsen hydrolytic kinetic resolution. The C12 methyl and C13 hydroxy centers were fixed via Macmillan coupling reaction. The macrolactone core with a vinyl iodide side chain was coupled with the known alkyne fragment to complete the synthesis.
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Affiliation(s)
- Ashish Sharma
- Department
of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
- Academy
of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
| | - Sudhakar Athe
- Department
of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Subhash Ghosh
- Department
of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
- Academy
of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
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27
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Wölfl B, Mata G, Fürstner A. Total Synthesis of Callyspongiolide, Part 2: The Ynoate Metathesis/
cis
‐Reduction Strategy. Chemistry 2018; 25:255-259. [DOI: 10.1002/chem.201804988] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Indexed: 01/13/2023]
Affiliation(s)
- Bernhard Wölfl
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Guillaume Mata
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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28
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Mata G, Wölfl B, Fürstner A. Synthesis and Molecular Editing of Callyspongiolide, Part 1: The Alkyne Metathesis/
trans
‐Reduction Strategy. Chemistry 2018; 25:246-254. [DOI: 10.1002/chem.201804987] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Guillaume Mata
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Bernhard Wölfl
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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29
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