1
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Shi T, Hu W. Asymmetric Carbene Transfer: Enhancing Chemical Diversity for Drug Discovery. Chemistry 2024; 30:e202400971. [PMID: 38735847 DOI: 10.1002/chem.202400971] [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: 03/08/2024] [Revised: 05/10/2024] [Accepted: 05/12/2024] [Indexed: 05/14/2024]
Abstract
The quest to explore chemical space is vital for identifying novel disease targets, impacting both the effectiveness and safety profile of therapeutic agents. The tangible chemical space, currently estimated at a conservative 108 synthesized compounds, pales in comparison to the theoretically conceivable diversity of 1060 molecules. To bridge this vast gap, organic chemists are spearheading innovative methodologies that promise to broaden this limited chemical diversity. A beacon of this progressive wave is Asymmetric Carbene Transfer (ACT), a burgeoning strategy that significantly boosts molecular diversity with efficient bond-formation and precise chiral control. This review focuses on the capabilities of ACT in creating pharmaceutically significant molecules, encompassing an array of natural products and bioactive compounds. Through the lens of ACT, we discern its substantial influence on drug discovery, paving the way for novel therapeutic avenues by expanding the boundaries of molecular diversity. This review will shed light on prospective methodological developments of ACT and articulate their conceivable contributions to the medicinal chemistry arena.
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Affiliation(s)
- Taoda Shi
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China, 510006
- Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education", Yantai University, Yantai, 264005, China
| | - Wenhao Hu
- Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education", Yantai University, Yantai, 264005, China
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2
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Lin Y, Zhang R, Wang D, Cernak T. Computer-aided key step generation in alkaloid total synthesis. Science 2023; 379:453-457. [PMID: 36730413 DOI: 10.1126/science.ade8459] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Efficient chemical synthesis is critical to satisfying future demands for medicines, materials, and agrochemicals. Retrosynthetic analysis of modestly complex molecules has been automated over the course of decades, but the combinatorial explosion of route possibilities has challenged computer hardware and software until only recently. Here, we explore a computational strategy that merges computer-aided synthesis planning with molecular graph editing to minimize the number of synthetic steps required to produce alkaloids. Our study culminated in an enantioselective three-step synthesis of (-)-stemoamide by leveraging high-impact key steps, which could be identified in computer-generated retrosynthesis plans using graph edit distances.
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Affiliation(s)
- Yingfu Lin
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Rui Zhang
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Di Wang
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
| | - Tim Cernak
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.,Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
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3
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Scott KA, Groch JR, Bao J, Marshall CM, Allen RA, Nick SJ, Lauta NR, Williams RE, Qureshi MH, Delost MD, Njardarson JT. Minimalistic graphical presentation approach for total syntheses. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Seenadera SD, Long SA, Akee R, Bermudez G, Parsonage G, Strope J, Peer C, Figg WD, Parker KA, Beech DJ, Beutler JA. Biological Effects of Modifications of the Englerin A Glycolate. ACS Med Chem Lett 2022; 13:1472-1476. [PMID: 36105325 PMCID: PMC9465829 DOI: 10.1021/acsmedchemlett.2c00258] [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: 05/27/2022] [Accepted: 08/15/2022] [Indexed: 11/30/2022] Open
Abstract
Modifications at the glycolate moiety of englerin A were made to explore variations at the most sensitive site on the molecule for activity in the NCI 60 screen, wherein englerin A is highly potent and selective for renal cancer cells. Replacement of the glycolate by other functionalities as well as esterification of the glycolate hydroxyl yielded compounds which displayed excellent selectivity and potency compared with the natural product. TRPC4/5 ion channel experiments with five compounds showed delayed or reduced agonism with TRPC5, at much higher concentrations than englerin A. With TRPC4, these compounds all had no effect at 10 μM. The same compounds were not detectable in mouse serum after a single oral dose of 12.5 mg/kg. At 100 mg/kg p.o., no toxicity was observed, and blood levels were barely detectable. Intravenous administration led to toxicity but at substantially lower doses than for englerin A.
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Affiliation(s)
- Sarath
P. D. Seenadera
- Molecular
Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702 United States
| | - Sarah A. Long
- Molecular
Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702 United States
| | - Rhone Akee
- Leidos
Biomedical, FNLCR, Frederick, Maryland 21702 United States
| | - Gabriela Bermudez
- Department
of Chemistry, Stony Brook University, Stony Brook, New York 11790 United States
| | | | - Jonathan Strope
- Genitourinary
Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892 United States
| | - Cody Peer
- Genitourinary
Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892 United States
| | - W. Douglas Figg
- Genitourinary
Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892 United States
| | - Kathlyn A. Parker
- Department
of Chemistry, Stony Brook University, Stony Brook, New York 11790 United States
| | - David J. Beech
- School
of Medicine, University of Leeds, Leeds, LS2 9JT U.K.
| | - John A. Beutler
- Molecular
Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702 United States
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5
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Schmidt EY, Trofimov BA. Acetylene in Organic Synthesis. From the Chaos of Small Molecules to Highly Organized Structures. A Review. DOKLADY CHEMISTRY 2022. [DOI: 10.1134/s0012500822700069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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6
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Zhao P, Xin BS, Qin SY, Li ZY, Lin B, Yao GD, Song SJ, Huang XX. Characteristic guaiane sesquiterpenes from Daphne penicillata and ECD/NMR-based assignment of C-1 configuration. Org Chem Front 2022. [DOI: 10.1039/d2qo01261h] [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
40 compounds including the first C17 homo-guaiane sesquiterpene (1) were isolated from Daphne penicillata and an efficient method using ECD/NMR strategy to access the C-1 configuration of characteristic guaiane sesquiterpenes has been developed.
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Affiliation(s)
- Peng Zhao
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Ben-Song Xin
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Shu-Yan Qin
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Zhi-Yuan Li
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Bin Lin
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Guo-Dong Yao
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Shao-Jiang Song
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Xiao-Xiao Huang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province; Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province; Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang; School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
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7
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Yao T, Li J, Wang J, Zhao C. Recent Advances for the Construction of Seven-Membered Ring Catalyzed by N-Heterocyclic Carbenes. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202109020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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8
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Minh Le T, Szakonyi Z. Enantiomeric Isopulegol as the Chiral Pool in the Total Synthesis of Bioactive Agents. CHEM REC 2021; 22:e202100194. [PMID: 34553822 DOI: 10.1002/tcr.202100194] [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: 07/20/2021] [Revised: 09/05/2021] [Indexed: 11/12/2022]
Abstract
Isopulegol, a pool of abundant chiral terpene, has long served as the starting material for the total synthesis of isopulegol-based drugs. As an inexpensive and versatile starting material, this compound continues to serve modern synthetic chemistry. This review highlights the total syntheses of terpenoids in the period from 1980 to 2020 in which with isopulegol applied as a building block.
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Affiliation(s)
- Tam Minh Le
- Institute of Pharmaceutical Chemistry, University of Szeged, Interdisciplinary Excellent Center, Eötvös utca 6, H-6720, Szeged, Hungary.,Stereochemistry Research Group of the Hungarian Academy Science, Eötvös utca 6, H-6720, Szeged, Hungary
| | - Zsolt Szakonyi
- Institute of Pharmaceutical Chemistry, University of Szeged, Interdisciplinary Excellent Center, Eötvös utca 6, H-6720, Szeged, Hungary.,Interdisciplinary Centre of Natural Products, University of Szeged, Eötvös utca 6, H-6720, Szeged, Hungary
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9
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Pan P, Chen L, Zhang XJ, Yan M. Diverse functionalization of aryl halides mediated by bis(phenylsulfonyl)methane. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132371] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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10
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Abstract
The Pd-catalyzed carbon-carbon bond formation pioneered by Heck in 1969 has dominated medicinal chemistry development for the ensuing fifty years. As the demand for more complex three-dimensional active pharmaceuticals continues to increase, preparative enzyme-mediated assembly, by virtue of its exquisite selectivity and sustainable nature, is poised to provide a practical and affordable alternative for accessing such compounds. In this minireview, we summarize recent state-of-the-art developments in practical enzyme-mediated assembly of carbocycles. When appropriate, background information on the enzymatic transformation is provided and challenges and/or limitations are also highlighted.
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Affiliation(s)
- Weijin Wang
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Douglass F Taber
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL, 33458, USA
| | - Hans Renata
- Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA
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11
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Kumar Palli K, Reddy Anugu R, Chandrasekhar S. Total Synthesis of (−)‐4‐
epi
‐Englerin A. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kishore Kumar Palli
- Department of Organic Synthesis and Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Raghunath Reddy Anugu
- Department of Organic Synthesis and Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Srivari Chandrasekhar
- Department of Organic Synthesis and Process Chemistry CSIR-Indian Institute of Chemical Technology (CSIR-IICT) Hyderabad 500007 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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12
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Huang B, Chen Y, Zhang X, Yan M. Cross‐Dehydrogenative Coupling of Tetrahydroisoquinolines and 2‐Fluoro‐1,3‐benzodithiole‐1,1,3,3‐tetraoxide: A New Synthetic Approach to α‐Monofluoromethyl Tertiary Amines. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Bao‐qin Huang
- Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Yuan Chen
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research Nankai University Tianjin 300353 China
| | - Xue‐jing Zhang
- Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
| | - Ming Yan
- Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou 510006 China
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13
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Tomanik M, Hsu IT, Herzon SB. Fragment Coupling Reactions in Total Synthesis That Form Carbon-Carbon Bonds via Carbanionic or Free Radical Intermediates. Angew Chem Int Ed Engl 2021; 60:1116-1150. [PMID: 31869476 DOI: 10.1002/anie.201913645] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Indexed: 12/21/2022]
Abstract
Fragment coupling reactions that form carbon-carbon bonds are valuable transformations in synthetic design. Advances in metal-catalyzed cross-coupling reactions in the early 2000s brought a high level of predictability and reliability to carbon-carbon bond constructions involving the union of unsaturated fragments. By comparison, recent years have witnessed an increase in fragment couplings proceeding via carbanionic and open-shell (free radical) intermediates. The latter has been driven by advances in methods to generate and utilize carbon-centered radicals under mild conditions. In this Review, we survey a selection of recent syntheses that have implemented carbanion- or radical-based fragment couplings to form carbon-carbon bonds. We aim to highlight the strategic value of these disconnections in their respective settings and to identify extensible lessons from each example that might be instructive to students.
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Affiliation(s)
- Martin Tomanik
- Department of Chemistry, Yale University, 225 Prospect St, New Haven, CT, USA
| | - Ian Tingyung Hsu
- Department of Chemistry, Yale University, 225 Prospect St, New Haven, CT, USA
| | - Seth B Herzon
- Department of Chemistry, Yale University, 225 Prospect St, New Haven, CT, USA.,Department of Pharmacology, Yale University, 333 Cedar St, New Haven, CT, USA
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14
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Tomanik M, Hsu IT, Herzon SB. Fragmentverknüpfungen in der Totalsynthese – Bildung von C‐C‐Bindungen über intermediäre Carbanionen oder freie Radikale. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.201913645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Martin Tomanik
- Department of Chemistry Yale University 225 Prospect St New Haven CT USA
| | - Ian Tingyung Hsu
- Department of Chemistry Yale University 225 Prospect St New Haven CT USA
| | - Seth B. Herzon
- Department of Chemistry Yale University 225 Prospect St New Haven CT USA
- Department of Pharmacology Yale University 333 Cedar St New Haven CT USA
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15
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Mu Y, Zhang T, Cheng Y, Fu W, Wei Z, Chen W, Liu G. Efficient synthesis of tetrahydrofurans with chiral tertiary allylic alcohols catalyzed by Ni/P-chiral ligand DI-BIDIME. Catal Sci Technol 2021. [DOI: 10.1039/d0cy02470h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Efficient nickel-catalyzed stereoselective asymmetric intramolecular reductive cyclization of O-alkynones with P-chiral bisphosphorus ligand DI-BIDIME is reported.
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Affiliation(s)
- Yu Mu
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Tao Zhang
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Yaping Cheng
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Wenzhen Fu
- State Key Laboratory of Bio-organic and Natural Products Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Zuting Wei
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Wanjun Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Guodu Liu
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
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16
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Wu Z, Suppo JS, Tumova S, Strope J, Bravo F, Moy M, Weinstein ES, Peer CJ, Figg WD, Chain WJ, Echavarren AM, Beech DJ, Beutler JA. Bridgehead Modifications of Englerin A Reduce TRPC4 Activity and Intravenous Toxicity but not Cell Growth Inhibition. ACS Med Chem Lett 2020; 11:1711-1716. [PMID: 32944138 DOI: 10.1021/acsmedchemlett.0c00186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 08/03/2020] [Indexed: 11/29/2022] Open
Abstract
Modifications at the bridgehead position of englerin A were made to explore the effects of variation at this site on the molecule for biological activity, as judged by the NCI 60 screen, in which englerin A is highly potent and selective for renal cancer cells. Replacement of the isopropyl group by other, larger substituents yielded compounds which displayed excellent selectivity and potency comparable to the natural product. Selected compounds were also evaluated for their effect on the ion channel TRPC4 as well as for intravenous toxicity in mice, and these had lower potency in both assays compared to englerin A.
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Affiliation(s)
- Zhenhua Wu
- Department of Chemistry & Biochemistry, University of Delaware, 163 The Green, Newark, Delaware 19716, United States
| | - Jean-Simon Suppo
- Institute of Chemical Research of Catalonia (ICIQ), 43007 Tarragona, Spain
| | - Sarka Tumova
- School of Medicine, University of Leeds, Leeds LS2 9JT, U.K
| | - Jonathan Strope
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Fernando Bravo
- Institute of Chemical Research of Catalonia (ICIQ), 43007 Tarragona, Spain
| | - Melody Moy
- Department of Chemistry & Biochemistry, University of Delaware, 163 The Green, Newark, Delaware 19716, United States
| | - Ethan S. Weinstein
- Department of Chemistry & Biochemistry, University of Delaware, 163 The Green, Newark, Delaware 19716, United States
| | - Cody J. Peer
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - William D. Figg
- Genitourinary Malignancies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - William J. Chain
- Department of Chemistry & Biochemistry, University of Delaware, 163 The Green, Newark, Delaware 19716, United States
| | | | - David J. Beech
- School of Medicine, University of Leeds, Leeds LS2 9JT, U.K
| | - John A. Beutler
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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17
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Chen L, Zhang L, Yan G, Huang D. Recent Advances of Cinnamic Acids in Organic Synthesis. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000217] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Lihua Chen
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Ling Zhang
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Guobing Yan
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
| | - Dayun Huang
- Department of ChemistryLishui University No. 1, Xueyuan Road Lishui City 323000 Zhejiang Province P. R. China
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18
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Mou SB, Xiao W, Wang HQ, Wang SJ, Xiang Z. Syntheses of Epoxyguaiane Sesquiterpenes (−)-Englerin A, (−)-Oxyphyllol, (+)-Orientalol E, and (+)-Orientalol F: A Synthetic Biology Approach. Org Lett 2020; 22:1976-1979. [DOI: 10.1021/acs.orglett.0c00325] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Shu-Bin Mou
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Wen Xiao
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Hua-Qi Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Su-Jing Wang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Zheng Xiang
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
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19
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Siemon T, Wang Z, Bian G, Seitz T, Ye Z, Lu Y, Cheng S, Ding Y, Huang Y, Deng Z, Liu T, Christmann M. Semisynthesis of Plant-Derived Englerin A Enabled by Microbe Engineering of Guaia-6,10(14)-diene as Building Block. J Am Chem Soc 2020; 142:2760-2765. [PMID: 31999448 DOI: 10.1021/jacs.9b12940] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Herein, we report a short semisynthesis of the potent transient receptor potential canonical (TRPC) channel agonist englerin A (EA) and the related guaianes oxyphyllol and orientalol E. The guaia-6,10(14)-diene starting material was systematically engineered in Escherichia coli and Saccharomyces cerevisiae using the CRISPR/Cas9 system and was produced with high titers. The potentially scalable approach combines the advantages of synthetic biology and chemical synthesis providing an efficient and economical method for producing EA and analogues.
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Affiliation(s)
- Thomas Siemon
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin 14195 , Germany
| | - Zhangqian Wang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Guangkai Bian
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Tobias Seitz
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin 14195 , Germany
| | - Ziling Ye
- J1 Biotech Co., Ltd. , Wuhan , China
| | - Yan Lu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Shu Cheng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Yunkun Ding
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Yanglei Huang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Zixin Deng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China.,Hubei Engineering Laboratory for Synthetic Microbiology , Wuhan Institute of Biotechnology , Wuhan , China
| | - Tiangang Liu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China.,Hubei Engineering Laboratory for Synthetic Microbiology , Wuhan Institute of Biotechnology , Wuhan , China
| | - Mathias Christmann
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin 14195 , Germany
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20
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Abstract
Many natural products have been used as drugs for the treatment of diverse indications. Although most U.S. pharmaceutical companies have reduced or eliminated their in-house natural-product research over the years, new approaches for compound screening and chemical synthesis are resurrecting interest in exploring the therapeutic value of natural products. The aim of this commentary is to review emerging strategies and techniques that have made natural products a viable strategic choice for inclusion in drug discovery programs. Published 2019. U.S. Government.
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Affiliation(s)
- John A Beutler
- Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland
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21
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Guo L, Plietker B. β‐Ketoesters as Mono‐ or Bisnucleophiles: A Concise Enantioselective Total Synthesis of (−)‐Englerin A and B. Angew Chem Int Ed Engl 2019; 58:8346-8350. [DOI: 10.1002/anie.201900401] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/21/2019] [Indexed: 11/12/2022]
Affiliation(s)
- Lei Guo
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Bernd Plietker
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
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22
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Guo L, Plietker B. β‐Ketoesters as Mono‐ or Bisnucleophiles: A Concise Enantioselective Total Synthesis of (−)‐Englerin A and B. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lei Guo
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
| | - Bernd Plietker
- Institut für Organische ChemieUniversität Stuttgart Pfaffenwaldring 55 70569 Stuttgart Germany
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23
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Reagan C, Trevitt G, Tchabanenko K. Total Synthesis of (±)-Englerin A and Its Tuncated Analogues. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801544] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Colleen Reagan
- School of Chemistry and Chemical Engineering; Queen's University Belfast; David Keir Building BT9 5AG Belfast United Kingdom
| | - Graham Trevitt
- Almac Discovery Ltd.; Almac House, 20 Seagoe Industrial Estate BT63 5QD Craigavon United Kingdom
| | - Kirill Tchabanenko
- School of Chemistry and Chemical Engineering; Queen's University Belfast; David Keir Building BT9 5AG Belfast United Kingdom
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24
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Hagihara S, Hanaya K, Sugai T, Shoji M. Syntheses of Englerin A, a Potent Renal Cancer Inhibitor. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800609] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shuichi Hagihara
- Department of Pharmaceutical SciencesKeio University 1-5-30 Shibakoen, Minato-ku Tokyo 105-8512 Japan
| | - Kengo Hanaya
- Department of Pharmaceutical SciencesKeio University 1-5-30 Shibakoen, Minato-ku Tokyo 105-8512 Japan
| | - Takeshi Sugai
- Department of Pharmaceutical SciencesKeio University 1-5-30 Shibakoen, Minato-ku Tokyo 105-8512 Japan
| | - Mitsuru Shoji
- Department of Pharmaceutical SciencesKeio University 1-5-30 Shibakoen, Minato-ku Tokyo 105-8512 Japan
- Department Pharmaceutical SciencesYokohama University of Pharmacy 601 Matano-cho, Totsuka-ku Yokohama 245-0066 Japan
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25
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Abstract
The field of natural product total synthesis has reached the point where synthetic efficiency has become more important than merely defining a viable (yet less ideal) route to the target molecule. Synthetic efficiency is best represented by the number of steps it takes to finish the target molecule from readily available starting materials, as by reducing the number of steps, all other factors of synthetic efficiency are influenced positively. By comparing several total syntheses from the recent years, the most successful strategies for step efficient syntheses will be highlighted. Each synthesis will be presented using a color-coded synthetic flowchart, in which each step is categorized by a colored box. Five categories of transformations are defined and rated according to their synthetic value. Each class will be signified by different colors so that the reader can quickly see which parts of the synthesis are productive and those that are not.
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Affiliation(s)
- Johannes Schwan
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Takustraße 3, 10781 Berlin, Germany.
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26
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Trofimov BA, Schmidt EY. Acetylenes in the Superbase-Promoted Assembly of Carbocycles and Heterocycles. Acc Chem Res 2018; 51:1117-1130. [PMID: 29668261 DOI: 10.1021/acs.accounts.7b00618] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
In this Account, we briefly discuss the recently discovered and rapidly developing superbase-promoted self-organization reactions of several equivalents of acetylenes and ketones to afford complex compounds that represent promising synthetic building blocks common in natural products. Notably, acetylenes play a special role in these reactions because of their dual (acting as an electrophile and a nucleophile) and flexible reactivity. These unique properties of acetylenes are elegantly expressed in superbasic media, where acetylenes are more deprotonated and their electrophilicity increases as a result of complexation with alkali metal cations, with simultaneous enhancement of the nucleophilic reactants due to desolvation. Under these conditions, acetylenes behave as a driving and organizing force toward other reactants. Various combinations of nucleophilic addition to the triple bond and acetylene deprotonation in the presence of other reactants with dual reactivity (e.g., ketones) enables the self-organization of complex molecular architectures that are inaccessible by conventional reactions. Herein we analyze recent achievements in this area concerning the reactions of acetylenes with ketones in superbasic KOH/DMSO-type systems that selectively afford synthetically and pharmaceutically valuable carbo- and heterocycles. Most of the reactions are triggered by the nucleophilic addition of deprotonated ketones (enolate anions) to acetylenes (superbase-catalyzed C-vinylation of ketones with acetylenes, which was recently introduced by our group into a toolkit of organic chemistry). The β,γ-ethylenic ketones thus formed can then take part in cascade processes with ketones and acetylenes to afford either carbocycles (e.g., hexahydroazulenones, acyl terphenyls, functionalized and cyclopentenols) or heterocycles (e.g., furans, benzoxepines, dioxabicyclo[3.2.1]octanes, and dioxadispiro[5.1.5.2]pentadecanes), depending on the structure of the reactants and the reaction conditions. Most of these compounds are selectively built from several equivalents of ketones and acetylenes in different combinations, and despite the presence of two or more asymmetric carbons in the products, they are generated as single diastereomers. When other nucleophiles (hydroxylamine, hydrazines, guanidine, and oximes) and ketones are involved in these self-organization processes, the intermediate β,γ-ethylenic ketones allow the formation of diverse heterocyclic systems (pyrroles, isoxazolines, pyrazolines, aminopyrimidines, and azabicyclo[3.1.0]hexanes). The discovered unique chemical transformations do not require transition metal catalysts and proceed under mild and operationally simple conditions. Most of these syntheses involve cascade addition reactions and therefore represent pot-, atom-, step-, and energy-saving processes that meet the requirements of green chemistry. The significance of the approach discussed herein is that it represents a viable alternative to existing classic and modern transition-metal-based catalytic syntheses of some fundamental carbo- and heterocycles. This is demonstrated by its employment of readily available, inexpensive starting materials like acetylenes and ketones and simple, widely accessible superbasic systems such as KOH/DMSO, which serves as a highly active universal catalyst and auxiliary. As shown in this Account, as this approach has developed, the number of preparatively attractive methods for the synthesis of diverse and potentially useful compounds has rapidly ballooned. The impressive experimental results presented in this Account will hopefully draw the attention of large circles of organic chemists involved in the design of rational and ecologically sound synthetic procedures and thus increase the application of these techniques in medicinal chemistry and materials science.
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Affiliation(s)
- Boris A. Trofimov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk 664033, Russia
| | - Elena Yu. Schmidt
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, Irkutsk 664033, Russia
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27
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Gold(I)-Catalysis for the Synthesis of Terpenoids: From Intramolecular Cascades to Intermolecular Cycloadditions. Isr J Chem 2018. [DOI: 10.1002/ijch.201800006] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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28
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Liu P, Cui Y, Chen K, Zhou X, Pan W, Ren J, Wang Z. Total Syntheses of (−)-Englerins A/B, (+)-Orientalols E/F, and (−)-Oxyphyllol. Org Lett 2018; 20:2517-2521. [DOI: 10.1021/acs.orglett.8b00552] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Pengcai Liu
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
| | - Yutao Cui
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
| | - Kang Chen
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
| | - Xinyue Zhou
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
| | - Wenyan Pan
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
| | - Jun Ren
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
| | - Zhongwen Wang
- State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, College of Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, PR China
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29
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Huang HM, McDouall JJW, Procter DJ. Radical Anions from Urea-type Carbonyls: Radical Cyclizations and Cyclization Cascades. Angew Chem Int Ed Engl 2018; 57:4995-4999. [PMID: 29493858 DOI: 10.1002/anie.201800667] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Huan-Ming Huang
- School of Chemistry; University of Manchester; Oxford Road Manchester M13 9PL UK
| | | | - David J. Procter
- School of Chemistry; University of Manchester; Oxford Road Manchester M13 9PL UK
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30
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Huang HM, McDouall JJW, Procter DJ. Radical Anions from Urea-type Carbonyls: Radical Cyclizations and Cyclization Cascades. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800667] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Huan-Ming Huang
- School of Chemistry; University of Manchester; Oxford Road Manchester M13 9PL UK
| | | | - David J. Procter
- School of Chemistry; University of Manchester; Oxford Road Manchester M13 9PL UK
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31
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Hung K, Hu X, Maimone TJ. Total synthesis of complex terpenoids employing radical cascade processes. Nat Prod Rep 2018; 35:174-202. [PMID: 29417970 PMCID: PMC5858714 DOI: 10.1039/c7np00065k] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Covering: 2011-2017Radical cyclizations have a rich history in organic chemistry and have been particularly generous to the field of natural product synthesis. Owing to their ability to operate in highly congested molecular quarters, and with significant functional group compatibility, these transformations have enabled the synthesis of numerous polycyclic terpenoid natural products over the past several decades. Moreover, when programmed accordingly into a synthetic plan, radical cascade processes can be used to rapidly assemble molecular complexity, much in the same way nature rapidly constructs terpene frameworks through cationic cyclization pathways. This review highlights recent total syntheses of complex terpenoids (from 2011-2017) employing C-C bond-forming radical cascade sequences.
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Affiliation(s)
- Kevin Hung
- Department of Chemistry, University of California - Berkeley, Berkeley, CA 94720, USA.
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32
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Sim J, Park H, Lim J, Yoon I, Lim C, An H, Yun H, Choi HJ, Suh YG. Stereoselective Synthesis of 1,4,5-Tri-cis-guaiane Sesquiterpene: First Total Synthesis of (-)-Dendroside C Aglycon. Org Lett 2018; 20:586-589. [PMID: 29336161 DOI: 10.1021/acs.orglett.7b03701] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first total synthesis of (-)-dendroside C aglycon, consisting of a 1,4,5-tri-cis-guaiane skeleton, from a versatile hydroazulene intermediate has been accomplished. The key features of the syntheses include the stereoselective preparation of the unusual cis-hydroazulene core via a sequence of a unique Dieckmann condensation of the bicyclic lactone system, which was concisely prepared by the tandem conjugate addition and intramolecular allylic alkylation of a butenolide precursor, and construction of the characteristic tricyclic skeleton by a carbene-mediated cyclopropanation.
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Affiliation(s)
- Jaehoon Sim
- College of Pharmacy, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.,College of Pharmacy, CHA University , 335 Pangyo-ro, Bundang-gu, Seongnam, Gyeonggi-do 13488, Republic of Korea
| | - Hyunkyung Park
- College of Pharmacy, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Juhee Lim
- College of Pharmacy, CHA University , 335 Pangyo-ro, Bundang-gu, Seongnam, Gyeonggi-do 13488, Republic of Korea
| | - Inah Yoon
- College of Pharmacy, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Changjin Lim
- College of Pharmacy, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Hongchan An
- College of Pharmacy, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Hwayoung Yun
- College of Pharmacy, Pusan National University , Busan 46241, Republic of Korea
| | - Hyun Jin Choi
- College of Pharmacy, CHA University , 335 Pangyo-ro, Bundang-gu, Seongnam, Gyeonggi-do 13488, Republic of Korea
| | - Young-Ger Suh
- College of Pharmacy, Seoul National University , 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.,College of Pharmacy, CHA University , 335 Pangyo-ro, Bundang-gu, Seongnam, Gyeonggi-do 13488, Republic of Korea
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33
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Hatakeyama S. Stereocontrolled Total Synthesis of Biologically Active Natural Products. YAKUGAKU ZASSHI 2018; 138:191-209. [DOI: 10.1248/yakushi.17-00187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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34
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Huang HM, Adams RW, Procter DJ. Reductive cyclisations of amidines involving aminal radicals. Chem Commun (Camb) 2018; 54:10160-10163. [DOI: 10.1039/c8cc05178j] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The first general study of aminal radical cyclisations, triggered by reduction of amidines with SmI2, delivers quinazolinones with complete diastereocontrol.
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Affiliation(s)
- Huan-Ming Huang
- School of Chemistry
- Oxford Road
- University of Manchester
- Manchester
- UK
| | - Ralph W. Adams
- School of Chemistry
- Oxford Road
- University of Manchester
- Manchester
- UK
| | - David J. Procter
- School of Chemistry
- Oxford Road
- University of Manchester
- Manchester
- UK
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35
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The Role of Compounds Derived from Natural Supplement as Anticancer Agents in Renal Cell Carcinoma: A Review. Int J Mol Sci 2017; 19:ijms19010107. [PMID: 29301217 PMCID: PMC5796057 DOI: 10.3390/ijms19010107] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/24/2017] [Accepted: 12/28/2017] [Indexed: 12/24/2022] Open
Abstract
Renal Cell Carcinoma (RCC) is the most prominent kidney cancer derived from renal tubules and accounts for roughly 85% of all malignant kidney cancer. Every year, over 60,000 new cases are registered, and about 14,000 people die from RCC. The incidence of this has been increasing significantly in the U.S. and other countries. An increased understanding of molecular biology and the genomics of RCC has uncovered several signaling pathways involved in the progression of this cancer. Significant advances in the treatment of RCC have been reported from agents approved by the Food and Drug Administration (FDA) that target these pathways. These agents have become drugs of choice because they demonstrate clinical benefit and increased survival in patients with metastatic disease. However, the patients eventually relapse and develop resistance to these drugs. To improve outcomes and seek approaches for producing long-term durable remission, the search for more effective therapies and preventative strategies are warranted. Treatment of RCC using natural products is one of these strategies to reduce the incidence. However, recent studies have focused on these chemoprevention agents as anti-cancer therapies given they can inhibit tumor cell grow and lack the severe side effects common to synthetic compounds. This review elaborates on the current understanding of natural products and their mechanisms of action as anti-cancer agents. The present review will provide information for possible use of these products alone or in combination with chemotherapy for the prevention and treatment of RCC.
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36
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Morisaki K, Sasano Y, Koseki T, Shibuta T, Kanoh N, Chiou WH, Iwabuchi Y. Nazarov Cyclization Entry to Chiral Bicyclo[5.3.0]decanoid Building Blocks and Its Application to Formal Synthesis of (−)-Englerin A. Org Lett 2017; 19:5142-5145. [DOI: 10.1021/acs.orglett.7b02428] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Keisuke Morisaki
- Department
of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Yusuke Sasano
- Department
of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Takahiro Koseki
- Department
of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Takuro Shibuta
- Department
of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Naoki Kanoh
- Department
of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
| | - Wen-Hua Chiou
- Department
of Chemistry, National Chung Hsing University, Taichung, 40227, Taiwan
| | - Yoshiharu Iwabuchi
- Department
of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan
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37
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Brill ZG, Condakes ML, Ting CP, Maimone TJ. Navigating the Chiral Pool in the Total Synthesis of Complex Terpene Natural Products. Chem Rev 2017; 117:11753-11795. [PMID: 28293944 PMCID: PMC5638449 DOI: 10.1021/acs.chemrev.6b00834] [Citation(s) in RCA: 186] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The pool of abundant chiral terpene building blocks (i.e., "chiral pool terpenes") has long served as a starting point for the chemical synthesis of complex natural products, including many terpenes themselves. As inexpensive and versatile starting materials, such compounds continue to influence modern synthetic chemistry. This review highlights 21st century terpene total syntheses which themselves use small, terpene-derived materials as building blocks. An outlook to the future of research in this area is highlighted as well.
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Affiliation(s)
- Zachary G. Brill
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720
| | - Matthew L. Condakes
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720
| | - Chi P. Ting
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720
| | - Thomas J. Maimone
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720
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38
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Hagihara S, Hanaya K, Sugai T, Shoji M. Formal synthesis of englerin A utilizing regio- and diastereoselective [4+3] cycloaddition. J Antibiot (Tokyo) 2017; 71:257-262. [DOI: 10.1038/ja.2017.91] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 11/09/2022]
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39
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Huq SR, Shi S, Diao R, Szostak M. Mechanistic Study of SmI2/H2O and SmI2/Amine/H2O-Promoted Chemoselective Reduction of Aromatic Amides (Primary, Secondary, Tertiary) to Alcohols via Aminoketyl Radicals. J Org Chem 2017. [DOI: 10.1021/acs.joc.7b00372] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Syed R. Huq
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Shicheng Shi
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Ray Diao
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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40
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Wu Z, Zhao S, Fash DM, Li Z, Chain WJ, Beutler JA. Englerins: A Comprehensive Review. JOURNAL OF NATURAL PRODUCTS 2017; 80:771-781. [PMID: 28170253 PMCID: PMC6198806 DOI: 10.1021/acs.jnatprod.6b01167] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In the decade since the discovery of englerin A (1) and its potent activity in cancer models, this natural product and its analogues have been the subject of numerous chemical, biological, and preclinical studies by many research groups. This review summarizes published findings and proposes further research directions required for entry of an englerin analogue into clinical trials for kidney cancer and other conditions.
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Affiliation(s)
- Zhenhua Wu
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Senzhi Zhao
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - David M. Fash
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Zhenwu Li
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - William J. Chain
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - John A. Beutler
- Molecular Targets Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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41
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Gu Y, Huang J, Gong J, Yang Z. Total synthesis of orientalol F via gold-catalyzed cycloisomerization of alkynediol. Org Chem Front 2017. [DOI: 10.1039/c7qo00654c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The total synthesis of orientalol F was accomplished in 13 steps using gold-catalyzed tandem cycloisomerization of alkynediol as a key step.
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Affiliation(s)
- Yueqing Gu
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Jun Huang
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Jianxian Gong
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Zhen Yang
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
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42
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Ludlow MJ, Gaunt HJ, Rubaiy HN, Musialowski KE, Blythe NM, Vasudev NS, Muraki K, Beech DJ. (-)-Englerin A-evoked Cytotoxicity Is Mediated by Na+ Influx and Counteracted by Na+/K+-ATPase. J Biol Chem 2016; 292:723-731. [PMID: 27875305 PMCID: PMC5241745 DOI: 10.1074/jbc.m116.755678] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/09/2016] [Indexed: 11/21/2022] Open
Abstract
(−)-Englerin A ((−)-EA) has a rapid and potent cytotoxic effect on several types of cancer cell that is mediated by plasma membrane ion channels containing transient receptor potential canonical 4 (TRPC4) protein. Because these channels are Ca2+-permeable, it was initially thought that the cytotoxicity arose as a consequence of Ca2+ overload. Here we show that this is not the case and that the effect of (−)-EA is mediated by a heteromer of TRPC4 and TRPC1 proteins. Both TRPC4 and TRPC1 were required for (−)-EA cytotoxicity; however, although TRPC4 was necessary for the (−)-EA-evoked Ca2+ elevation, TRPC1 was not. TRPC1 either had no role or was a negative regulator of Ca2+ entry. By contrast, both TRPC4 and TRPC1 were necessary for monovalent cation entry evoked by (−)-EA, and (−)-EA-evoked cell death was dependent upon entry of the monovalent cation Na+. We therefore hypothesized that Na+/K+-ATPase might act protectively by counteracting the Na+ load resulting from sustained Na+ entry. Indeed, inhibition of Na+/K+-ATPase by ouabain potently and strongly increased (−)-EA-evoked cytotoxicity. The data suggest that (−)-EA achieves cancer cell cytotoxicity by inducing sustained Na+ entry through heteromeric TRPC1/TRPC4 channels and that the cytotoxic effect of (−)-EA can be potentiated by Na+/K+-ATPase inhibition.
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Affiliation(s)
- Melanie J Ludlow
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
| | - Hannah J Gaunt
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
| | - Hussein N Rubaiy
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
| | - Katie E Musialowski
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
| | - Nicola M Blythe
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
| | - Naveen S Vasudev
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
| | - Katsuhiko Muraki
- the School of Pharmacy, Aichi-Gakuin University, 1-100 Kusumoto, Chikusa, Nagoya 464-8650, Japan
| | - David J Beech
- From the Leeds Institute of Cardiovascular and Metabolic Medicine, School of Medicine, University of Leeds, Leeds LS2 9JT, United Kingdom and
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43
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Nelson R, Gulías M, Mascareñas JL, López F. Concise, Enantioselective, and Versatile Synthesis of (-)-Englerin A Based on a Platinum-Catalyzed [4C+3C] Cycloaddition of Allenedienes. Angew Chem Int Ed Engl 2016; 55:14359-14363. [PMID: 27735111 DOI: 10.1002/anie.201607348] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Indexed: 01/01/2023]
Abstract
A practical synthesis of (-)-englerin A was accomplished in 17 steps and 11 % global yield from commercially available achiral precursors. The key step consists of a platinum-catalyzed [4C+3C] allenediene cycloaddition that directly delivers the trans-fused guaiane skeleton with complete diastereoselectivity. The high enantioselectivity (99 % ee) stems from an asymmetric ruthenium-catalyzed transfer hydrogenation of a readily assembled diene-ynone. The synthesis also features a highly stereoselective oxygenation, and a late-stage cuprate alkylation that enables the preparation of previously inaccessible structural analogues.
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Affiliation(s)
- Ronald Nelson
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Moisés Gulías
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - José L Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782, Santiago de Compostela, Spain. .,Instituto de Química Orgánica General (CSIC), Juan de la Cierva, 3, 28006, Madrid, Spain.
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44
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Nelson R, Gulías M, Mascareñas JL, López F. Concise, Enantioselective, and Versatile Synthesis of (−)-Englerin A Based on a Platinum-Catalyzed [4C+3C] Cycloaddition of Allenedienes. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201607348] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ronald Nelson
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Moisés Gulías
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - José L. Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica; Universidade de Santiago de Compostela; 15782 Santiago de Compostela Spain
- Instituto de Química Orgánica General (CSIC); Juan de la Cierva, 3 28006 Madrid Spain
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45
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Rodrigues T, Sieglitz F, Somovilla VJ, Cal PMSD, Galione A, Corzana F, Bernardes GJL. Unveiling (-)-Englerin A as a Modulator of L-Type Calcium Channels. Angew Chem Int Ed Engl 2016; 55:11077-81. [PMID: 27391219 PMCID: PMC5042069 DOI: 10.1002/anie.201604336] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Indexed: 11/11/2022]
Abstract
The voltage-dependent L-type Ca(2+) channel was identified as a macromolecular target for (-)-englerin A. This finding was reached by using an unprecedented ligand-based prediction platform and the natural product piperlongumine as a pharmacophore probe. (-)-Englerin A features high substructure dissimilarity to known ligands for voltage-dependent Ca(2+) channels, selective binding affinity for the dihydropyridine site, and potent modulation of calcium signaling in muscle cells and vascular tissue. The observed activity was rationalized at the atomic level by molecular dynamics simulations. Experimental confirmation of this hitherto unknown macromolecular target expands the bioactivity space for this natural product and corroborates the effectiveness of chemocentric computational methods for prioritizing target-based screens and identifying binding counterparts of complex natural products.
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Affiliation(s)
- Tiago Rodrigues
- Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal.
| | - Florian Sieglitz
- Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Víctor J Somovilla
- Departamento de Química, Centro de Investigación en Síntesis Química, Universidad de la Rioja, 26006, Logroño, Spain
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, UK
| | - Pedro M S D Cal
- Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Antony Galione
- Department of Pharmacology, University of Oxford, Mansfield Road, OX1 3QT, Oxford, UK
| | - Francisco Corzana
- Departamento de Química, Centro de Investigación en Síntesis Química, Universidad de la Rioja, 26006, Logroño, Spain.
| | - Gonçalo J L Bernardes
- Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal. ,
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, UK. ,
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46
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Zhao N, Xie S, Chen G, Xu J. Concise Synthesis of Astellatol Core Skeleton. Chemistry 2016; 22:12634-6. [DOI: 10.1002/chem.201602711] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Nan Zhao
- South University of Science and Technology of China; Department of Chemistry; No. 1088 Xueyuan Ave., Nanshan District Shenzhen Guangdong 518055 China
| | - Shengling Xie
- South University of Science and Technology of China; Department of Chemistry; No. 1088 Xueyuan Ave., Nanshan District Shenzhen Guangdong 518055 China
| | - Gui Chen
- South University of Science and Technology of China; Department of Chemistry; No. 1088 Xueyuan Ave., Nanshan District Shenzhen Guangdong 518055 China
| | - Jing Xu
- South University of Science and Technology of China; Department of Chemistry; No. 1088 Xueyuan Ave., Nanshan District Shenzhen Guangdong 518055 China
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47
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Rodrigues T, Sieglitz F, Somovilla VJ, Cal PMSD, Galione A, Corzana F, Bernardes GJL. Unveiling (−)-Englerin A as a Modulator of L-Type Calcium Channels. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604336] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tiago Rodrigues
- Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Av. Prof. Egas Moniz 1649-028 Lisboa Portugal
| | - Florian Sieglitz
- Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Av. Prof. Egas Moniz 1649-028 Lisboa Portugal
| | - Víctor J. Somovilla
- Departamento de Química, Centro de Investigación en Síntesis Química; Universidad de la Rioja; 26006 Logroño Spain
- Department of Chemistry; University of Cambridge; Lensfield Road CB2 1EW Cambridge UK
| | - Pedro M. S. D. Cal
- Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Av. Prof. Egas Moniz 1649-028 Lisboa Portugal
| | - Antony Galione
- Department of Pharmacology; University of Oxford; Mansfield Road OX1 3QT Oxford UK
| | - Francisco Corzana
- Departamento de Química, Centro de Investigación en Síntesis Química; Universidad de la Rioja; 26006 Logroño Spain
| | - Gonçalo J. L. Bernardes
- Instituto de Medicina Molecular; Faculdade de Medicina da Universidade de Lisboa; Av. Prof. Egas Moniz 1649-028 Lisboa Portugal
- Department of Chemistry; University of Cambridge; Lensfield Road CB2 1EW Cambridge UK
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48
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Fash DM, Peer CJ, Li Z, Talisman IJ, Hayavi S, Sulzmaier FJ, Ramos JW, Sourbier C, Neckers L, Figg WD, Beutler JA, Chain WJ. Synthesis of a stable and orally bioavailable englerin analogue. Bioorg Med Chem Lett 2016; 26:2641-4. [PMID: 27107948 PMCID: PMC4862412 DOI: 10.1016/j.bmcl.2016.04.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 04/06/2016] [Accepted: 04/07/2016] [Indexed: 12/26/2022]
Abstract
Synthesis of analogues of englerin A with a reduced propensity for hydrolysis of the glycolate moiety led to a compound which possessed the renal cancer cell selectivity of the parent and was orally bioavailable in mice.
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Affiliation(s)
- David M Fash
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822, United States
| | - Cody J Peer
- Genitourinary Malignancies Branch, National Cancer Institute, Frederick, MD 21702, United States
| | - Zhenwu Li
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822, United States
| | - Ian J Talisman
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822, United States
| | - Sima Hayavi
- Developmental Therapeutics Program, National Cancer Institute, Frederick, MD 21702, United States
| | - Florian J Sulzmaier
- The University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813, United States
| | - Joe W Ramos
- The University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813, United States
| | - Carole Sourbier
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - Leonard Neckers
- Urologic Oncology Branch, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - W Douglas Figg
- Genitourinary Malignancies Branch, National Cancer Institute, Frederick, MD 21702, United States
| | - John A Beutler
- Molecular Targets Laboratory, National Cancer Institute, Frederick, MD 21702, United States.
| | - William J Chain
- Department of Chemistry, University of Hawaii at Manoa, 2545 McCarthy Mall, Honolulu, HI 96822, United States; The University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813, United States.
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49
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50
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López-Suárez L, Riesgo L, Bravo F, Ransom TT, Beutler JA, Echavarren AM. Synthesis and Biological Evaluation of New (-)-Englerin Analogues. ChemMedChem 2016; 11:1003-7. [PMID: 27005578 PMCID: PMC4926265 DOI: 10.1002/cmdc.201600040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 03/04/2016] [Indexed: 11/07/2022]
Abstract
We report the synthesis and biological evaluation of a series of (-)-englerin A analogues obtained along our previously reported synthetic route based on a stereoselective gold(I) cycloaddition process. This synthetic route is a convenient platform to access analogues with broad structural diversity and has led us to the discovery of unprecedented and easier-to-synthesize derivatives with an unsaturation in the cyclopentyl ring between C4 and C5. We also introduce novel analogues in which the original isopropyl motif has been substituted with cyclohexyl, phenyl, and cyclopropyl moieties. The high selectivity and growth-inhibitory activity shown by these new derivatives in renal cancer cell lines opens new ways toward the final goal of finding effective drugs for the treatment of renal cell carcinoma (RCC).
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Affiliation(s)
- Laura López-Suárez
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Lorena Riesgo
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007, Tarragona, Spain.,Institute of Polymer Science and Technology, ICTP-CSIC, Juan de la Cierva 3, 28006, Madrid, Spain
| | - Fernando Bravo
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007, Tarragona, Spain
| | - Tanya T Ransom
- Molecular Targets Laboratory, Molecular Discovery Program, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA
| | - John A Beutler
- Molecular Targets Laboratory, Molecular Discovery Program, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, USA.
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007, Tarragona, Spain. .,Departament de Química Analítica i Química Orgánica, Universitat Rovira i Virgili, C/Marcel⋅li Domingo s/n, 43007, Tarragona, Spain.
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