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Betschart L, Altmann KH. Total Synthesis of Isoxeniolide A. Angew Chem Int Ed Engl 2024; 63:e202315423. [PMID: 38118052 DOI: 10.1002/anie.202315423] [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: 10/13/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 12/22/2023]
Abstract
Isoxeniolide A is a highly strained xenicane diterpenoid of marine origin. This natural product is representative for a subfamily of xenicanes incorporating an allylic hydroxy group in the nine-membered ring; members of this xenicane subfamily so far have not been targeted by total synthesis. Herein, we describe the first asymmetric total synthesis of isoxeniolide A. Key to forming the challenging E-configured cyclononene ring was a diastereoselective intramolecular Nozaki-Hiyama-Kishi reaction. Other important transformations include an enzymatic desymmetrization for absolute stereocontrol, a diastereoselective cuprate addition and the use of a bifunctional vinyl silane building block. Our strategy also permits access to the enantiomer of the natural product and holds potential to access a multitude of xenicane natural products and analogs for structure-activity relationship studies.
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Affiliation(s)
- Leo Betschart
- ETH Zurich, Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, HCI H405, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Karl-Heinz Altmann
- ETH Zurich, Department of Chemistry and Applied Biosciences, Institute of Pharmaceutical Sciences, HCI H405, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
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2
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Tănase C, Pintilie L, Tănase RE. Lactones in the Synthesis of Prostaglandins and Prostaglandin Analogs. Int J Mol Sci 2021; 22:1572. [PMID: 33557221 PMCID: PMC7913956 DOI: 10.3390/ijms22041572] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 01/21/2023] Open
Abstract
In the total stereo-controlled synthesis of natural prostaglandins (PGs) and their structural analogs, a vast class of compounds and drugs, known as the lactones, are encountered in a few key steps to build the final molecule, as: δ-lactones, γ-lactones, and 1,9-, 1,11-, and 1,15-macrolactones. After the synthesis of 1,9-PGF2α and 1,15-PGF2α lactones, many 1,15-lactones of E2, E3, F2, F3, A2, and A3 were found in the marine mollusc Tethys fimbria and the quest for understanding their biological role stimulated the research on their synthesis. Then 1,9-, 1,11-, and 1,15-PG lactones of the drugs were synthesized as an alternative to the corresponding esters, and the first part of the paper describes the methods used for their synthesis. The efficient Corey procedure for the synthesis of prostaglandins uses the key δ-lactone and γ-lactone intermediates with three or four stereocenters on the cyclopentane fragment to link the PG side chains. The paper describes the most used procedures for the synthesis of the milestone δ-Corey-lactones and γ-Corey-lactones, their improvements, and some new promising methods, such as interesting, new stereo-controlled and catalyzed enantioselective reactions, and methods based on the chemical/enzymatic resolution of the compounds in different steps of the sequences. The many uses of δ-lactones not only for the synthesis of γ-lactones, but also for obtaining 9β-halogen-PGs and halogen-substituted cyclopentane intermediates, as synthons for new 9β-PG analogs and future applications, are also discussed.
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Affiliation(s)
- Constantin Tănase
- Synthesis of Biologically Active Substances Department, National Institute for Chemical-Pharmaceutical Research and Development, 74373 Bucharest, Romania;
| | - Lucia Pintilie
- Synthesis of Biologically Active Substances Department, National Institute for Chemical-Pharmaceutical Research and Development, 74373 Bucharest, Romania;
| | - Raluca Elena Tănase
- Department of Mathematics, Angstrom Laboratory, Uppsala University, 751 06 Uppsala, Sweden;
- “Simion Stoilow” Institute of Mathematics of the Romanian Academy, 010702 Bucharest, Romania
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3
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Davis RW, Allweil A, Tian J, Brash AR, Sulikowski GA. Stereocontrolled synthesis of four isomeric linoleate triols of relevance to skin barrier formation and function. Tetrahedron Lett 2018; 59:4571-4573. [PMID: 30906077 DOI: 10.1016/j.tetlet.2018.11.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Linoleate triol esters are intermediates along the pathway of formation of the mammalian skin permeability barrier. In connection with the study of their involvement in barrier formation we required access to isomerically pure and defined samples of four linoleate triol esters. A common synthetic strategy was developed starting from isomeric alkynols derived from d-tartaric acid and 2-deoxy-d-ribose.
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Affiliation(s)
- Robert W Davis
- Department of Chemistry, Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37235, USA
| | - Alexander Allweil
- Department of Chemistry, Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37235, USA
| | - Jianhua Tian
- Department of Chemistry, Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37235, USA
| | - Alan R Brash
- Department of Pharmacology, Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37232, USA
| | - Gary A Sulikowski
- Department of Chemistry, Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37235, USA.,Department of Pharmacology, Institute of Chemical Biology, Vanderbilt University, Nashville, TN 37232, USA
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Affiliation(s)
- Biswajit Panda
- Department of ChemistryCity College 102/1 Raja Rammohan Sarani Kolkata- 700009 India
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Peng H, Chen FE. Recent advances in asymmetric total synthesis of prostaglandins. Org Biomol Chem 2018; 15:6281-6301. [PMID: 28737187 DOI: 10.1039/c7ob01341h] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Prostaglandins (PGs) are a series of hormone-like chemical messengers and play a critical role in regulating physiological activity. The diversified therapeutic activities and complex molecular architectures of PGs have attracted special attention, and huge progress has been made in asymmetric total synthesis and discovery of pharmaceutically useful drug candidates. In the last 10 years, several powerful syntheses have emerged as new solutions to the problem of building PGs and represent major breakthroughs in this area. This review highlights the advances in methodologies for the asymmetric total synthesis of prostaglandins. The application of these methodologies in the syntheses of medicinally useful prostaglandins is also described. The study has been carefully categorized according to the key procedures involved in the syntheses of various prostaglandins, aiming to give readers an easy understanding of this chemistry and provide insights for further improvements.
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Affiliation(s)
- Haihui Peng
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, P. R. China.
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Mao ZY, Geng H, Zhang TT, Ruan YP, Ye JL, Huang PQ. Stereodivergent and enantioselective total syntheses of isochaetominines A–C and four pairs of isochaetominine C enantiomers: a six-step approach. Org Chem Front 2016. [DOI: 10.1039/c5qo00298b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the first total syntheses of (−)-isochaetominines A–C and eight 2,3-cis-stereoisomers of isochaetominine C, and structural revisions of (−)-pseudofischerine and (−)-aniquinazoline D.
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Affiliation(s)
- Zhong-Yi Mao
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Hui Geng
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Tian-Tian Zhang
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Yuan-Ping Ruan
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Jian-Liang Ye
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Pei-Qiang Huang
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
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Kotha S, Meshram M, Khedkar P, Banerjee S, Deodhar D. Recent applications of ring-rearrangement metathesis in organic synthesis. Beilstein J Org Chem 2015; 11:1833-64. [PMID: 26664603 PMCID: PMC4660990 DOI: 10.3762/bjoc.11.199] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Accepted: 09/17/2015] [Indexed: 11/23/2022] Open
Abstract
Ring-rearrangement metathesis (RRM) involves multiple metathesis processes such as ring-opening metathesis (ROM)/ring-closing metathesis (RCM) in a one-pot operation to generate complex targets. RRM delivers complex frameworks that are difficult to assemble by conventional methods. The noteworthy point about this type of protocol is multi-bond formation and it is an atom economic process. In this review, we have covered literature that appeared during the last seven years (2008–2014).
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Affiliation(s)
- Sambasivarao Kotha
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400 076, India.
| | - Milind Meshram
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400 076, India.
| | - Priti Khedkar
- Department of Chemistry, Guru Nanak Khalsa College of Arts, Science & Commerce, Matunga, Mumbai-400 019, India
| | - Shaibal Banerjee
- Department of Applied Chemistry, Defence Institute of Advanced Technology (DU), Girinagar, Pune-411025, Pune, India
| | - Deepak Deodhar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400 076, India.
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Finnegan DF, Shelnut EL, Nikas SP, Chiang N, Serhan CN, Makriyannis A. Novel tail and head group prostamide probes. Bioorg Med Chem Lett 2015; 25:1228-31. [PMID: 25701254 PMCID: PMC4405029 DOI: 10.1016/j.bmcl.2015.01.064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 01/22/2015] [Accepted: 01/26/2015] [Indexed: 10/24/2022]
Abstract
We report the design and synthesis of novel prostaglandin-ethanolamide (PGE2-EA) analogs containing head and tail group modifications to aid in the characterization of a putative prostamide receptor(s). Our synthetic approach utilizes Horner-Wadsworth-Emmons and Wittig reactions to construct the head and the tail moieties of the key PGE2 precursor, which leads to the final products through a peptide coupling, Swern oxidation and HF/pyridine assisted desilylation. The synthesized analogs were shown not to interact significantly with endocannabinoid proteins and recombinant EP1, EP3 and EP4 receptors and suggest a yet to be identified prostamide receptor as their site(s) of action.
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Affiliation(s)
- David F Finnegan
- Center for Drug Discovery and Departments of Chemistry and Chemical Biology and Pharmaceutical Sciences, Northeastern University, 360 Huntington Ave, 116 Mugar Hall, Boston, MA 02115, USA
| | - Erin L Shelnut
- Center for Drug Discovery and Departments of Chemistry and Chemical Biology and Pharmaceutical Sciences, Northeastern University, 360 Huntington Ave, 116 Mugar Hall, Boston, MA 02115, USA
| | - Spyros P Nikas
- Center for Drug Discovery and Departments of Chemistry and Chemical Biology and Pharmaceutical Sciences, Northeastern University, 360 Huntington Ave, 116 Mugar Hall, Boston, MA 02115, USA
| | - Nan Chiang
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Harvard Institutes of Medicine, 77 Avenue Louis Pasteur (HIM 829), Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Charles N Serhan
- Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Harvard Institutes of Medicine, 77 Avenue Louis Pasteur (HIM 829), Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Alexandros Makriyannis
- Center for Drug Discovery and Departments of Chemistry and Chemical Biology and Pharmaceutical Sciences, Northeastern University, 360 Huntington Ave, 116 Mugar Hall, Boston, MA 02115, USA; King Abdulaziz University, Jeddah 22254, Saudi Arabia
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Brinkmann Y, Oger C, Guy A, Durand T, Galano JM. Total Synthesis of 15-D2t- and 15-epi-15-E2t-Isoprostanes. J Org Chem 2010; 75:2411-4. [DOI: 10.1021/jo1000274] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yasmin Brinkmann
- Institut des Biomolécules Max Mousseron, IBMM, UMR CNRS 5247, Université Montpellier I, Université Montpellier II, Faculté de Pharmacie, 15, avenue Charles Flahault, 34093 Montpellier Cedex 05, France
| | - Camille Oger
- Institut des Biomolécules Max Mousseron, IBMM, UMR CNRS 5247, Université Montpellier I, Université Montpellier II, Faculté de Pharmacie, 15, avenue Charles Flahault, 34093 Montpellier Cedex 05, France
| | - Alexandre Guy
- Institut des Biomolécules Max Mousseron, IBMM, UMR CNRS 5247, Université Montpellier I, Université Montpellier II, Faculté de Pharmacie, 15, avenue Charles Flahault, 34093 Montpellier Cedex 05, France
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, IBMM, UMR CNRS 5247, Université Montpellier I, Université Montpellier II, Faculté de Pharmacie, 15, avenue Charles Flahault, 34093 Montpellier Cedex 05, France
| | - Jean-Marie Galano
- Institut des Biomolécules Max Mousseron, IBMM, UMR CNRS 5247, Université Montpellier I, Université Montpellier II, Faculté de Pharmacie, 15, avenue Charles Flahault, 34093 Montpellier Cedex 05, France
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Nonaka H, Ogawa N, Maeda N, Wang YG, Kobayashi Y. Stereoselective synthesis of epi-jasmonic acid, tuberonic acid, and 12-oxo-PDA. Org Biomol Chem 2010; 8:5212-23. [DOI: 10.1039/c0ob00218f] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2008. Coord Chem Rev 2010. [DOI: 10.1016/j.ccr.2009.07.018] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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12
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Studies related to the total synthesis of the sesquiterpene core of the pyrrolobenzoxazine natural products CJ-12662 and CJ-12663. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.02.105] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Abstract
A novel catalytic sequence aerobic oxidation-olefination has been developed. A single and inexpensive copper catalyst provides a large range of olefins from alcohols in good to excellent yields. The reaction exhibits excellent functional group compatibility, and the nonbasic reaction conditions allow the transformation of chiral substrates without racemization.
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Affiliation(s)
- Michaël Davi
- Departement de Chimie, Universite de Montreal, 2900 Boul. Edouard Montpetit, Montreal, Quebec, Canada H3T 1J4
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Jahn U, Galano JM, Durand T. Beyond prostaglandins--chemistry and biology of cyclic oxygenated metabolites formed by free-radical pathways from polyunsaturated fatty acids. Angew Chem Int Ed Engl 2008; 47:5894-955. [PMID: 18649300 DOI: 10.1002/anie.200705122] [Citation(s) in RCA: 150] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Polyunsaturated fatty acids (PUFAs) are important constituents in all organisms. They fulfil many functions, ranging from modulating the structure of membranes to acting as precursors of physiologically important molecules, such as the prostaglandins, which for a long time were the most prominent cyclic PUFA metabolites. However, since the beginning of the 1990s a large variety of cyclic metabolites have been discovered that form under autoxidative conditions in vivo to a much larger extent than do prostaglandins. These compounds--isoprostanes, neuroprostanes, phytoprostanes, and isofurans--proved subsequently to be ubiquitous in nature. They display a wide range of biological activities, and isoprostanes have become the currently most reliable indicators of oxidative stress in humans. In a relatively short time, the structural variety, properties, and applications of the autoxidatively formed cyclic PUFA derivatives have been uncovered.
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Affiliation(s)
- Ullrich Jahn
- Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo namesti 2, 16610 Prague 6, Czech Republic.
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Jahn U, Galano JM, Durand T. Jenseits von Prostaglandinen - Chemie und Biologie radikalisch gebildeter cyclischer oxygenierter Metabolite von mehrfach ungesättigten Fettsäuren. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200705122] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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