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Tadiparthi K, Devaroy MJL, Panigrahi A, Sakirolla R. Synthetic Approaches of Prelactone and Its Analogues: A Review. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Krishnaji Tadiparthi
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
| | - Monisha J. L. Devaroy
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
| | - Amrita Panigrahi
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road Bangalore 560029 India
| | - Raghavendra Sakirolla
- Department of Chemistry Central University of Karnataka Gulbarga Karnataka 585367 India
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2
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Affiliation(s)
- Debjani Si
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Krishna P. Kaliappan
- Department of ChemistryIndian Institute of Technology Bombay Powai Mumbai 400076 India
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3
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Liang X, Luo D, Luesch H. Advances in exploring the therapeutic potential of marine natural products. Pharmacol Res 2019; 147:104373. [PMID: 31351913 PMCID: PMC6839689 DOI: 10.1016/j.phrs.2019.104373] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 07/23/2019] [Accepted: 07/24/2019] [Indexed: 12/26/2022]
Abstract
Marine natural products represent novel and diverse chemotypes that serve as templates for the discovery and development of therapeutic agents with distinct mechanisms of action. These genetically encoded compounds produced by an evolutionary optimized biosynthetic machinery are usually quite complex and can be difficult to recreate in the laboratory. The isolation from the source organism results in limited amount of material; however, the development of advanced NMR technologies and dereplication strategies has enabled the structure elucidation on small scale. In order to rigorously explore the therapeutic potential of marine natural products and advance them further, the biological characterization has to keep pace with the chemical characterization. The limited marine natural product supply has been a serious challenge for thorough investigation of the biological targets. Several marine drugs have reached the markets or are in clinical trials, where those challenges have been overcome, including through the development of scalable syntheses. However, the identification of mechanisms of action of marine natural products early in the discovery process is potentially game changing, since effectively linking marine natural products to potential therapeutic applications in turn triggers motivation to tackle challenging syntheses and solve the supply problem. An increasing number of sensitive technologies and methods have been developed in recent years, some of which have been successfully applied to marine natural products, increasing the value of these compounds with respect to their biomedical utility. In this review, we discuss advances in overcoming the bottlenecks in marine natural product research, emphasizing on the development and advances of diverse target identification technologies applicable for marine natural product research.
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Affiliation(s)
- Xiao Liang
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, Florida, 32610, United States
| | - Danmeng Luo
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, Florida, 32610, United States
| | - Hendrik Luesch
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, Gainesville, Florida, 32610, United States.
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4
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Recent advances in the applications of Wittig reaction in the total synthesis of natural products containing lactone, pyrone, and lactam as a scaffold. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-02465-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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5
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Cao YN, Zheng LL, Wang D, Liang XX, Gao F, Zhou XL. Recent advances in microtubule-stabilizing agents. Eur J Med Chem 2017; 143:806-828. [PMID: 29223097 DOI: 10.1016/j.ejmech.2017.11.062] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 11/04/2017] [Accepted: 11/22/2017] [Indexed: 10/18/2022]
Abstract
Highly dynamic mitotic spindle microtubules are superb therapeutic targets for a group of chemically diverse and clinically successful anticancer drugs. Microtubule-targeted drugs disrupt microtubule dynamics in distinct ways, and they are primarily classified into two groups: microtubule destabilizing agents (MDAs), such as vinblastine, colchicine, and combretastatin-A4, and microtubule stabilizing agents (MSAs), such as paclitaxel and epothilones. Systematic discovery and development of new MSAs have been aided by extensive research on paclitaxel, yielding a large number of promising anticancer compounds. This review focuses on the natural sources, structural features, mechanisms of action, structure-activity relationship (SAR) and chemical synthesis of MSAs. These MSAs mainly include paclitaxel, taccalonolides, epothilones, FR182877 (cyclostreptin), dictyostatin, discodermolide, eleutherobin and sarcodictyins, zampanolide, dactylolide, laulimalides, peloruside and ceratamines from natural sources, as well as small molecular microtubule stabilizers obtained via chemical synthesis. Then we discuss the application prospect and development of these anticancer compounds.
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Affiliation(s)
- Ya-Nan Cao
- Agronomy College, Sichuan Agriculture University, Chengdu 611130, PR China; School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, PR China
| | - Ling-Li Zheng
- Department of Pharmacy, The First Affiliated Hospital of Chengdu Medical College, Chengdu 610500, PR China
| | - Dan Wang
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Qld 4072, Australia
| | - Xiao-Xia Liang
- Agronomy College, Sichuan Agriculture University, Chengdu 611130, PR China.
| | - Feng Gao
- Agronomy College, Sichuan Agriculture University, Chengdu 611130, PR China; School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, PR China.
| | - Xian-Li Zhou
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, PR China
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6
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Total syntheses of Prelactone V and Prelactone B. Carbohydr Res 2017; 442:17-19. [DOI: 10.1016/j.carres.2017.02.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 02/20/2017] [Accepted: 02/26/2017] [Indexed: 11/30/2022]
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7
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Alza E, Laraia L, Ibbeson BM, Collins S, Galloway WRJD, Stokes JE, Venkitaraman AR, Spring DR. Synthesis of a novel polycyclic ring scaffold with antimitotic properties via a selective domino Heck-Suzuki reaction. Chem Sci 2015; 6:390-396. [PMID: 28966765 PMCID: PMC5586250 DOI: 10.1039/c4sc02547d] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 09/03/2014] [Indexed: 01/20/2023] Open
Abstract
The synthesis of a previously undescribed sp3-rich 6-5-5-6 tetracyclic ring scaffold using a palladium catalysed domino Heck-Suzuki reaction is reported. This reaction is high-yielding, selective for the domino process over the direct Suzuki reaction and tolerant towards a variety of boronic acids. The novel scaffold can also be accessed via domino Heck-Stille and radical cyclisations. Compounds based around this scaffold were found to be effective antimitotic agents in a human cancer cell line. Detailed phenotypic profiling showed that the compounds affected the congression of chromosomes to give mitotic arrest and apoptotic cell death. Thus, a novel structural class of antimitotic agents that does not disrupt the tubulin network has been identified.
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Affiliation(s)
- Esther Alza
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
| | - Luca Laraia
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
- MRC Cancer Unit , University of Cambridge , Hutchison/MRC Research Centre , Biomedical Campus , Hills Road , Cambridge , CB2 0XZ , UK
| | - Brett M Ibbeson
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
| | - Súil Collins
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
| | - Warren R J D Galloway
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
| | - Jamie E Stokes
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
- MRC Cancer Unit , University of Cambridge , Hutchison/MRC Research Centre , Biomedical Campus , Hills Road , Cambridge , CB2 0XZ , UK
| | - Ashok R Venkitaraman
- MRC Cancer Unit , University of Cambridge , Hutchison/MRC Research Centre , Biomedical Campus , Hills Road , Cambridge , CB2 0XZ , UK
| | - David R Spring
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK . ; ; Tel: +44 (0)1223 336498
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Yu Z, Ely RJ, Morken JP. Synthesis of (+)-discodermolide by catalytic stereoselective borylation reactions. Angew Chem Int Ed Engl 2014; 53:9632-6. [PMID: 25045037 PMCID: PMC4171733 DOI: 10.1002/anie.201405455] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Indexed: 11/11/2022]
Abstract
The marine natural product (+)-discodermolide was first isolated in 1990 and, to this day, remains a compelling synthesis target. Not only does the compound possess fascinating biological activity, but it also presents an opportunity to test current methods for chemical synthesis and provides an inspiration for new reaction development. A new synthesis of discodermolide employs a previously undisclosed stereoselective catalytic diene hydroboration and also establishes a strategy for the alkylation of chiral enolates. Furthermore, this synthesis of discodermolide provides the first examples of the asymmetric 1,4-diboration of dienes and borylative diene-aldehyde couplings in complex-molecule synthesis.
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Affiliation(s)
- Zhiyong Yu
- Department of Chemistry, Boston College, Merkert Research Labs, 2609 Beacon Street, Chestnut Hill, MA 02467 (USA)
| | - Robert J. Ely
- Department of Chemistry, Boston College, Merkert Research Labs, 2609 Beacon Street, Chestnut Hill, MA 02467 (USA)
| | - James P. Morken
- Department of Chemistry, Boston College, Merkert Research Labs, 2609 Beacon Street, Chestnut Hill, MA 02467 (USA)
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9
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Yu Z, Ely RJ, Morken JP. Synthesis of (+)-Discodermolide by Catalytic Stereoselective Borylation Reactions. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201405455] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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10
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Laraia L, Stokes J, Emery A, McKenzie G, Venkitaraman AR, Spring DR. High content screening of diverse compound libraries identifies potent modulators of tubulin dynamics. ACS Med Chem Lett 2014; 5:598-603. [PMID: 24900887 PMCID: PMC4027768 DOI: 10.1021/ml5000564] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Accepted: 02/24/2014] [Indexed: 02/02/2023] Open
Abstract
Tubulin modulating agents such as the taxanes are among the most effective antimitotic cancer drugs, although resistance and toxicity present significant problems in their clinical use. However, most tubulin modulators are derived from complex natural products, which can make modification of their structure to address these problems difficult. Here, we report the discovery of new antimitotic compounds with simple structures that can be rapidly synthesized, through the phenotypic screening of a diverse compound library for the induction of mitotic arrest. We first identified a compound, which induced mitotic arrest in human cells at submicromolar concentrations. Its simple structure enabled rapid exploration of activity, defining a biphenylacetamide moiety required for activity, A family of analogues was synthesized, yielding optimized compounds that caused mitotic arrest and cell death in the low nanomolar range, comparable to clinically used antimitotic agents. These compounds can be synthesized in 1-3 steps and good yields. We show that one such compound targets tubulin, partially inhibiting colchicine but not vinblastine binding, suggesting that it acts allosterically to the known colchicine-binding site. Thus, our results exemplify the use of phenotypic screening to identify novel antimitotic compounds from diverse chemical libraries and characterize a family of biphenylacetamides (biphenabulins) that show promise for further development.
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Affiliation(s)
- Luca Laraia
- Department
of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K.,MRC
Cancer Unit, University of Cambridge, Hutchison/MRC Research Centre, Biomedical Campus, Cambridge CB2 0XZ, U.K.
| | - Jamie Stokes
- Department
of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K.,MRC
Cancer Unit, University of Cambridge, Hutchison/MRC Research Centre, Biomedical Campus, Cambridge CB2 0XZ, U.K.
| | - Amy Emery
- MRC
Cancer Unit, University of Cambridge, Hutchison/MRC Research Centre, Biomedical Campus, Cambridge CB2 0XZ, U.K.
| | - Grahame
J. McKenzie
- MRC
Cancer Unit, University of Cambridge, Hutchison/MRC Research Centre, Biomedical Campus, Cambridge CB2 0XZ, U.K.
| | - Ashok R. Venkitaraman
- MRC
Cancer Unit, University of Cambridge, Hutchison/MRC Research Centre, Biomedical Campus, Cambridge CB2 0XZ, U.K.,(A.R.V.) E-mail:
| | - David R. Spring
- Department
of Chemistry, University of Cambridge, Cambridge CB2 1EW, U.K.,(D.R.S.) E-mail:
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11
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Smith AB, Sugasawa K, Atasoylu O, Yang CPH, Horwitz SB. Design and synthesis of (+)-discodermolide-paclitaxel hybrids leading to enhanced biological activity. J Med Chem 2011; 54:6319-27. [PMID: 21870795 PMCID: PMC3174350 DOI: 10.1021/jm200692n] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Potential binding modes of (+)-discodermolide at the paclitaxel binding site of tubulin have been identified by computational studies based on earlier structural and SAR data. Examination of the prospective binding modes reveal that the aromatic pocket occupied by the paclitaxel side chain is unoccupied by (+)-discodermolide. Based on these findings, a small library of (+)-discodermolide-paclitaxel hybrids have been designed and synthesized. Biological evaluation reveals a two- to eight-fold increase in antiproliferative activity compared to the parent molecule using the A549 and MCF-7 cancer cell lines.
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Affiliation(s)
- Amos B. Smith
- Department of Chemistry, Monell Chemical Senses Center and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Keizo Sugasawa
- Department of Chemistry, Monell Chemical Senses Center and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Onur Atasoylu
- Department of Chemistry, Monell Chemical Senses Center and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Chia-Ping Huang Yang
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461
| | - Susan Band Horwitz
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461
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Qi J, Blanden AR, Bane S, Kingston DGI. Design, synthesis and biological evaluation of a simplified fluorescently labeled discodermolide as a molecular probe to study the binding of discodermolide to tubulin. Bioorg Med Chem 2011; 19:5247-54. [PMID: 21802957 DOI: 10.1016/j.bmc.2011.06.082] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Revised: 06/24/2011] [Accepted: 06/28/2011] [Indexed: 10/18/2022]
Abstract
The design, synthesis, and biological evaluation of a simplified fluorescently labeled discodermolide analogue possessing a dimethylaminobenzoyl fluorophore has been achieved. Stereoselective Suzuki coupling and Horner-Wadsworth-Emmons reaction comprised the key tactics for its construction. The analogue exhibited qualitatively similar activity to paclitaxel in a tubulin assembly assay, and it can thus be used as a fluorescent molecular probe to explore the local environment of the discodermolide binding site on tubulin. The results of fluorescence measurements on the tubulin-bound analogue are reported.
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Affiliation(s)
- Jun Qi
- Department of Chemistry, Virginia Tech, Blacksburg, VA 24061, USA
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13
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Yin Z, Yue X, Deng X, Qing F. A Practical Approach to Synthesize the C(9) -C(24) Fragment of (+)-Discodermolide. CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.201090240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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14
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Ballini R, Palmieri A, Talaq MA, Gabrielli S. Preparation of 2H-1,4-Benzoxazin-2-one Derivatives under Heterogeneous ConditionsviaDomino Process. Adv Synth Catal 2009. [DOI: 10.1002/adsc.200900627] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Xie Q, Denton RW, Parker KA. A relay ring-closing metathesis synthesis of dihydrooxasilines, precursors of (Z)-iodo olefins. Org Lett 2008; 10:5345-8. [PMID: 19006314 PMCID: PMC2765515 DOI: 10.1021/ol802063h] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A convenient Grubbs II metathesis provides dihydrooxasilines by relay RCM (RRCM). Dihydrooxasilines undergo ring opening to give Z-vinyl silanes. These can then be converted to Z-vinyl iodides. This sequence provides a short, high yield, and convenient route to trisubstituted Z-vinyl iodides, useful intermediates for the preparation of polypropionate antibiotics.
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Affiliation(s)
- Qiuzhe Xie
- Department of Chemistry, SUNY Stony Brook, Stony Brook, New York 11794-3400
| | - Richard W. Denton
- Department of Chemistry, SUNY Stony Brook, Stony Brook, New York 11794-3400
| | - Kathlyn A. Parker
- Department of Chemistry, SUNY Stony Brook, Stony Brook, New York 11794-3400
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16
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Florence GJ, Gardner NM, Paterson I. Development of practical syntheses of the marine anticancer agents discodermolide and dictyostatin. Nat Prod Rep 2008; 25:342-75. [PMID: 18389141 DOI: 10.1039/b705661n] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Initially isolated in trace quantities from deep-sea sponges, the structurally related polyketides discodermolide and dictyostatin share the same microtubule-stabilizing antimitotic mechanism as Taxol. Discodermolide has been the focus of intense research activity in order to develop a practical supply route, and these efforts ultimately allowed its large-scale synthesis and the initiation of clinical trials as a novel anticancer drug. Similarly, the re-isolation and synthesis of dictyostatin continues to stimulate the biological and chemical communities in their quest for the development of new chemotherapeutic agents. This comprehensive review chronicles the synthetic endeavours undertaken over the last 15 years towards the development and realization of practical chemical syntheses of discodermolide and, more recently, dictyostatin, focusing on the methods and strategies employed for achieving overall stereocontrol and key fragment unions, as well as the design and synthesis of novel hybrid structures.
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Affiliation(s)
- Gordon J Florence
- School of Chemistry and Centre for Biomolecular Sciences, University of St Andrews, North Haugh, St Andrews KY16 9 ST, United Kingdom.
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Smith AB, Freeze BS. (+)-Discodermolide: Total Synthesis, Construction of Novel Analogues, and Biological Evaluation. Tetrahedron 2008; 64:261-298. [PMID: 21113402 DOI: 10.1016/j.tet.2007.10.039] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Amos B Smith
- Department of Chemistry, Monell Chemical Senses Center, Penn Center for Molecular Discovery, and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, PA 19104
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19
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Paterson I, Florence GJ. The Chemical Synthesis of Discodermolide. Top Curr Chem (Cham) 2008; 286:73-119. [DOI: 10.1007/128_2008_7] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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20
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Parker KA, Wang P. Deconstruction-reconstruction strategy for accessing valuable polyketides. Preparation of the C15-C24 stereopentad of discodermolide. Org Lett 2007; 9:4793-6. [PMID: 17924640 DOI: 10.1021/ol702144u] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An advanced, known intermediate for discodermolide synthesis was prepared by an efficient sequence from the readily available fermentation product oleandomycin. The scheme makes use of a new method for the direct cleavage of aminoglycosides, a critical double-bond isomerization, and a selective protection of two of three hydroxyl groups in a modified oleandolide. This synthesis illustrates a new strategy, "deconstruction-reconstruction", for accessing stereochemically complex polyketide building blocks.
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Affiliation(s)
- Kathlyn A Parker
- Department of Chemistry, State University of New York at Stony Brook, Stony Brook, NY 11794, USA.
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Kennedy J. Mutasynthesis, chemobiosynthesis, and back to semi-synthesis: combining synthetic chemistry and biosynthetic engineering for diversifying natural products. Nat Prod Rep 2007; 25:25-34. [PMID: 18250896 DOI: 10.1039/b707678a] [Citation(s) in RCA: 106] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The combination of biological and chemical approaches for the generation of new and diverse natural products holds much promise. While mutasynthesis based approaches are still very relevant, more recent approaches have utilised genetic and metabolic engineering to generate key intermediates for chemical syntheses. This new semi-synthetic approach exploits the ability of biological systems to efficiently generate complex chiral molecules and of synthetic chemistry to elaborate these into new, or difficult to source, molecules.
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Affiliation(s)
- Jonathan Kennedy
- Environmental Research Institute, University College Cork, Lee Road, Cork, Ireland.
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22
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Walsh PJ, Li H, de Parrodi CA. A green chemistry approach to asymmetric catalysis: solvent-free and highly concentrated reactions. Chem Rev 2007; 107:2503-45. [PMID: 17530908 PMCID: PMC2525622 DOI: 10.1021/cr0509556] [Citation(s) in RCA: 235] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Patrick J. Walsh
- P. Roy and Diana T. Vagelos Laboratories, University of Pennsylvania, Department of Chemistry, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323
| | - Hongmei Li
- P. Roy and Diana T. Vagelos Laboratories, University of Pennsylvania, Department of Chemistry, 231 South 34 Street, Philadelphia, Pennsylvania 19104-6323
| | - Cecilia Anaya de Parrodi
- Universidad de las Américas-Puebla, Departamento de Ciencias Químico Biológicas, Santa Catarina Mártir s/n, Cholula Puebla, 72820, México
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Abstract
[reaction: see text] We report the catalytic asymmetric allylation of ketones under highly concentrated reaction conditions with a catalyst generated from titanium tetraisopropoxide and BINOL (1:2 ratio) in the presence of isopropanol. This catalyst promotes the addition of tetraallylstannane to a variety of ketones to produce tertiary homoallylic alcohols in excellent yield (80-99%) with high enantioselectivities (79-95%). The resulting homoallylic alcohols can also be epoxidized in situ using tert-butyl hydroperoxide (TBHP) to afford cyclic epoxy alcohols in high yield (84-87%).
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Altmann KH, Gertsch J. Anticancer drugs from nature--natural products as a unique source of new microtubule-stabilizing agents. Nat Prod Rep 2007; 24:327-57. [PMID: 17390000 DOI: 10.1039/b515619j] [Citation(s) in RCA: 170] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
This review article provides an overview on the current state of research in the area of microtubule-stabilizing agents from natural sources, with a primary focus on the biochemistry, biology, and pharmacology associated with these compounds. A variety of natural products have been discovered over the last decade to inhibit human cancer cell proliferation through a taxol-like mechanism. These compounds represent a whole new range of structurally diverse lead structures for anticancer drug discovery.
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Affiliation(s)
- Karl-Heinz Altmann
- Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH), HCI H405, Wolfgang-Pauli-Str. 10, CH-8093, Zürich, Switzerland.
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Yadav J, Rao PP, Reddy MS, Rao NV, Prasad A. Stereoselective synthesis of (+)-cryptocarya diacetate by an iterative Prins cyclisation and reductive cleavage sequence. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2006.12.068] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Abstract
An overview of marine natural products synthesis during 2005 is provided. In a similar vein to earlier installments in this series, the emphasis is on total syntheses of molecules of contemporary interest, new total syntheses, and syntheses that have resulted in structure confirmation or stereochemical assignments.
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Affiliation(s)
- Jonathan C Morris
- School of Chemistry and Physics, University of Adelaide, Adelaide, Australia 5005
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Shaw SJ, Menzella HG, Myles DC, Xian M, Smith AB. Coumarin-derived discodermolide analogues possessing equivalent antiproliferative activity to the natural product—a further simplification of the lactone region. Org Biomol Chem 2007; 5:2753-5. [PMID: 17700839 DOI: 10.1039/b708884c] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Analogues of discodermolide in which the complete C-1 to C-7 fragment is replaced with a coumarin moiety display equivalent potency to that of the natural product.
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Affiliation(s)
- Simon J Shaw
- Kosan Biosciences, Inc., 3832 Bay Center Place, Hayward, CA 94545, USA.
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Shaw SJ, Zhang D, Sundermann KF, Myles DC. Fragment Assembly: An Alternative Approach to Generating Complex Polyketides. SYNTHETIC COMMUN 2006. [DOI: 10.1080/00397910600616784] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Huang GS, Lopez-Barcons L, Freeze BS, Smith AB, Goldberg GL, Horwitz SB, McDaid HM. Potentiation of taxol efficacy and by discodermolide in ovarian carcinoma xenograft-bearing mice. Clin Cancer Res 2006; 12:298-304. [PMID: 16397055 PMCID: PMC4039036 DOI: 10.1158/1078-0432.ccr-05-0229] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To evaluate the drug combination of discodermolide and Taxol in human ovarian cancer cells and in an in vivo model of ovarian carcinoma. EXPERIMENTAL DESIGN The combination index method was used to evaluate the interaction of Taxol and discodermolide in human ovarian SKOV-3 carcinoma cells. Data were correlated with alterations in cell cycle distribution and caspase activation. In addition, SKOV-3 xenograft-bearing mice were treated with either Taxol, discodermolide, or a combination of both drugs given concurrently to evaluate the antitumor efficacy and toxicity of this combination. The Matrigel plug assay and CD31 immunohistochemistry were done to assess antiangiogenic effects. RESULTS Taxol and discodermolide interact synergistically over a range of concentrations and molar ratios that cause drug-induced aneuploidy in ovarian carcinoma cells. In SKOV-3 xenograft-bearing mice, the combination is significantly superior to either single agent, and induces tumor regressions without notable toxicities. Immunohistochemical analysis of CD31 and Matrigel plug analysis show decreased vessel formation in mice treated with the combination relative to either drug alone. CONCLUSIONS The synergistic activity of Taxol and discodermolide in cells is most potent at drug concentrations that result in drug-induced aneuploidy rather than mitotic arrest. Moreover, in an animal model of ovarian carcinoma, this is a well-tolerated combination that induces tumor regressions and suppresses angiogenesis. These data confirm the potency of this combination and support the use of concurrent low doses of Taxol and discodermolide for potential use in cancer therapeutics.
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Affiliation(s)
- Gloria S. Huang
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York
- Department of Obstetrics, Gynecology, and Women’s Health, Division of Gynecologic Oncology, Bronx, New York
| | - Lluis Lopez-Barcons
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York
| | - B. Scott Freeze
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Amos B. Smith
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Gary L. Goldberg
- Department of Obstetrics, Gynecology, and Women’s Health, Division of Gynecologic Oncology, Bronx, New York
| | - Susan Band Horwitz
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York
| | - Hayley M. McDaid
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York
- Department of Medicine, Division of Medical Oncology, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York
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Burlingame MA, Mendoza E, Ashley GW, Myles DC. Synthesis of discodermolide intermediates from engineered polyketides. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2005.12.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Smith AB, Freeze BS, LaMarche MJ, Sager J, Kinzler KW, Vogelstein B. Discodermolide analogues as the chemical component of combination bacteriolytic therapy. Bioorg Med Chem Lett 2005; 15:3623-6. [PMID: 15979874 DOI: 10.1016/j.bmcl.2005.05.068] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2005] [Revised: 05/10/2005] [Accepted: 05/10/2005] [Indexed: 11/29/2022]
Abstract
The marine natural product (+)-discodermolide (1) and several simplified analogues of this microtubule-stabilizing agent have proven to be potent in vitro cell growth inhibitory agents in several human cancer cell lines. Here, we demonstrate the in vivo efficacy of discodermolide and several simplified congeners, both as stand-alone anti-tumor agents and, in the case of (+)-2,3-anhydrodiscodermolide (3), as a chemical component of the combination bacteriolytic therapy. A single intravenous injection of (+)-3 plus genetically modified Clostridium novyi-NT spores caused rapid and complete regressions of tumors in mice bearing HCT116 colorectal cancer xenografts.
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Affiliation(s)
- Amos B Smith
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
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Yajima A, Saitou F, Sekimoto M, Maetoko S, Nukada T, Yabuta G. Synthesis of cordiaquinone J and K via B-alkyl Suzuki–Miyaura coupling as a key step and determination of the absolute configuration of natural products. Tetrahedron 2005. [DOI: 10.1016/j.tet.2005.06.115] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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