1
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Salim AA, Samarasekera K, Wu T, Capon RJ. Phoslactomycins Revisited: Polyketide Tetrahydrofurans and Lactones from an Australian Wasp Nest-Derived Streptomyces sp. CMB-MW079. Org Lett 2022; 24:7328-7333. [PMID: 36200745 DOI: 10.1021/acs.orglett.2c02791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Molecular network analysis of Streptomyces sp. CMB-MW079 detected rare phosphorylated natural products. Miniaturized cultivation profiling (MATRIX) established optimal conditions for the production, isolation, and identification of the polyketide δ-lactone phoslactomycin E (1) and new ester homologues, phoslactomycins J and K (2 and 3), as well as unprecedented heterocyclic analogues, the tetrahydrofuran cyclolactomycins A-D (4-7) and γ-lactone isocyclolactomycins A-C (8-10). We propose a biogenetic relationship linking these cometabolites with the known lactomycins A-C which were tentatively identified as minor cometabolites.
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Affiliation(s)
- Angela A Salim
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Kaumadi Samarasekera
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Taizong Wu
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Robert J Capon
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD 4072, Australia
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2
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Rousseau A, Vincent G, Kouklovsky C. Preparation of an advanced intermediate for the synthesis of leustroducsins and phoslactomycins by heterocycloaddition. Beilstein J Org Chem 2022; 18:1385-1395. [PMID: 36262671 PMCID: PMC9551206 DOI: 10.3762/bjoc.18.143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 09/23/2022] [Indexed: 11/23/2022] Open
Abstract
A convergent strategy for the synthesis of leustroducsins and phoslactomycins has been designed, relying on the synthesis and the coupling of three main fragments. The central fragment was synthesized via a regio-and stereoselective nitroso Diels–Alder reaction with an enol phosphate, followed by reductive cleavage of the phosphate to the ketone 11b. Coupling studies of this fragment with the lactone fragment was accomplished in a stereoselective fashion through a vinyllithium intermediate. An advanced synthetic intermediate was then obtained after functional group transformation.
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Affiliation(s)
- Anaïs Rousseau
- Institut de Chimie Moléculaire et des Matériaux d’Orsay, Université Paris-Saclay, CNRS, F-91405 Orsay, France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d’Orsay, Université Paris-Saclay, CNRS, F-91405 Orsay, France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d’Orsay, Université Paris-Saclay, CNRS, F-91405 Orsay, France
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3
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Güleç Alagöz L, Çalışkan A. Intraoral Repair of Dental Restorations with Resin Composite. CYPRUS JOURNAL OF MEDICAL SCIENCES 2022. [DOI: 10.4274/cjms.2020.2779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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4
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Della-Felice F, de Andrade Bartolomeu A, Pilli RA. The phosphate ester group in secondary metabolites. Nat Prod Rep 2022; 39:1066-1107. [PMID: 35420073 DOI: 10.1039/d1np00078k] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Covering: 2000 to mid-2021The phosphate ester is a versatile, widespread functional group involved in a plethora of biological activities. Its presence in secondary metabolites, however, is relatively rare compared to other functionalities and thus is part of a rather unexplored chemical space. Herein, the chemistry of secondary metabolites containing the phosphate ester group is discussed. The text emphasizes their structural diversity, biological and pharmacological profiles, and synthetic approaches employed in the phosphorylation step during total synthesis campaigns, covering the literature from 2000 to mid-2021.
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Affiliation(s)
- Franco Della-Felice
- Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, CEP 13083-970 Campinas, Sao Paulo, Brazil.,Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.
| | | | - Ronaldo Aloise Pilli
- Institute of Chemistry, University of Campinas (UNICAMP), P.O. Box 6154, CEP 13083-970 Campinas, Sao Paulo, Brazil
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5
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Kamo S, Kurosawa H, Matsuzawa A, Sugita K. Total Synthesis of (-)-Lamellodysidine A via an Intramolecular Diels-Alder Reaction. Org Lett 2022; 24:921-923. [PMID: 35019657 DOI: 10.1021/acs.orglett.1c04289] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In this study, we achieved an eight-step enantioselective synthesis of (-)-lamellodysidine A, a structurally intriguing sesquiterpene natural product featuring a 5/5/6/6-fused tetracyclic skeleton that was obtained from the marine sponge Lamellodysidea herbacea. The key to the synthesis is a cascade reaction that includes an intramolecular Diels-Alder reaction. In addition, single-crystal X-ray crystallographic analysis of the synthetic (-)-lamellodysidine A clearly confirmed the proposed stereochemistry and absolute configuration.
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Affiliation(s)
- Shogo Kamo
- Department of Synthetic Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Hitomi Kurosawa
- Department of Synthetic Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Akinobu Matsuzawa
- Department of Synthetic Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Kazuyuki Sugita
- Department of Synthetic Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
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6
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Wu L, Wei H, Shen J, Chen J, Zhang W. Development of Earth-Abundant Metals-Catalyzed Enantioselective Alkenylations Using Alkenyl Metal Reagents. ACTA CHIMICA SINICA 2021. [DOI: 10.6023/a21070338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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7
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Colomer I, Ureña M, Viso A, Fernández de la Pradilla R. Sulfinyl-Mediated Stereoselective Functionalization of Acyclic Conjugated Dienes. Chemistry 2020; 26:4620-4632. [PMID: 31994765 DOI: 10.1002/chem.201905742] [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: 12/20/2019] [Indexed: 01/16/2023]
Abstract
The chemo- and stereocontrolled functionalization of conjugated sulfinyl dienes in a cascade process that involves a conjugate addition, diastereoselective protonation and a [2,3]-sigmatropic rearrangement is reported. Enantioenriched 1,4-diol and 1,4-aminoalcohol derivatives are obtained in a very straightforward manner. Further functionalization of these structures, including highly stereoselective epoxidation, dihydroxylation and the stereodivergent synthesis of several polyols in a controlled fashion is described.
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Affiliation(s)
- Ignacio Colomer
- Instituto de Química Orgánica General, IQOG-CSIC, Juan de la Cierva 3, 28006, Madrid, Spain
| | - Mercedes Ureña
- Instituto de Química Orgánica General, IQOG-CSIC, Juan de la Cierva 3, 28006, Madrid, Spain
| | - Alma Viso
- Instituto de Química Orgánica General, IQOG-CSIC, Juan de la Cierva 3, 28006, Madrid, Spain
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8
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Li J, Devi Laishram R, Chen J, Xu D, Shi G, Lv H, Fan R, Fan B. Regioselective Hydroiodination of Alkynes by in situ‐Generated HI. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900677] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jiayan Li
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Ronibala Devi Laishram
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Jingchao Chen
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Dandan Xu
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Guangrui Shi
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Haiping Lv
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Ruifeng Fan
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
| | - Baomin Fan
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yunnan, Kunming 650500 China
- School of Chemistry and EnvironmentYunnan Minzu University Yunnan, Kunming 650500 China
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9
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Hu HJ, Chen P, Ao YF, Wang QQ, Wang DX, Wang MX. Highly efficient biocatalytic desymmetrization of meso carbocyclic 1,3-dicarboxamides: a versatile route for enantiopure 1,3-disubstituted cyclohexanes and cyclopentanes. Org Chem Front 2019. [DOI: 10.1039/c9qo00069k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly efficient biocatalytic desymmetrization of meso carbocyclic 1,3-dicarboxamides to enantiopure 1,3-disubstituted cyclohexanes and cyclopentanes was realized.
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Affiliation(s)
- Hui-Juan Hu
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Peng Chen
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences
- CAS Key Laboratory of Molecular Recognition and Function
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Mei-Xiang Wang
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
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10
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Wu C, Wang Z, Hu Z, Zeng F, Zhang XY, Cao Z, Tang Z, He WM, Xu XH. Direct synthesis of alkenyl iodides via indium-catalyzed iodoalkylation of alkynes with alcohols and aqueous HI. Org Biomol Chem 2018; 16:3177-3180. [DOI: 10.1039/c8ob00183a] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A simple and efficient method has been developed for the synthesis of alkenyl iodides through indium-catalyzed iodoalkylation of alkynes with alcohols and aqueous HI under mild conditions.
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Affiliation(s)
- Chao Wu
- Hunan Provincial Engineering Research Center for Ginkgo biloba
- Hunan University of Science and Engineering
- Yongzhou 425100
- China
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation
| | - Zheng Wang
- Hunan Provincial Engineering Research Center for Ginkgo biloba
- Hunan University of Science and Engineering
- Yongzhou 425100
- China
| | - Zhan Hu
- Hunan Provincial Engineering Research Center for Ginkgo biloba
- Hunan University of Science and Engineering
- Yongzhou 425100
- China
| | - Fei Zeng
- Hunan Provincial Engineering Research Center for Ginkgo biloba
- Hunan University of Science and Engineering
- Yongzhou 425100
- China
| | - Xing-Yu Zhang
- Hunan Provincial Engineering Research Center for Ginkgo biloba
- Hunan University of Science and Engineering
- Yongzhou 425100
- China
| | - Zhong Cao
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation
- Changsha University of Science and Technology
- Changsha
- China
| | - Zilong Tang
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education
- Hunan University of Science and Technology
- Xiangtan 411201
- China
| | - Wei-Min He
- Hunan Provincial Engineering Research Center for Ginkgo biloba
- Hunan University of Science and Engineering
- Yongzhou 425100
- China
- State Key Laboratory of Chemo/Biosensing and Chemometrics
| | - Xin-Hua Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- Hunan University
- Changsha
- China
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11
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Rousseau A, Buchotte M, Guillot R, Vincent G, Kouklovsky C. Expedient Approach to α,β-Unsaturated δ-Lactones through a Catalytic Asymmetric [2+2] Cycloaddition. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701336] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anaïs Rousseau
- Institut de Chimie Moléculaire et des Matériaux d'Orsay; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
| | - Marie Buchotte
- Institut de Chimie Moléculaire et des Matériaux d'Orsay; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
- CNRS; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay; Univ. Paris-Sud; Université Paris-Saclay; 91405 Orsay France
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12
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Li K, Wan Q, Kang Q. Chiral-at-Metal Rh(III) Complex Catalyzed Asymmetric Conjugate Addition of Unactivated Alkenes with α,β-Unsaturated 2-Acyl Imidazoles. Org Lett 2017; 19:3299-3302. [PMID: 28593762 DOI: 10.1021/acs.orglett.7b01456] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kuan Li
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
- Key Laboratory of Coal to Ethylene Glycol and Its Related
Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, China
| | - Qian Wan
- Key Laboratory of Coal to Ethylene Glycol and Its Related
Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, China
| | - Qiang Kang
- Key Laboratory of Coal to Ethylene Glycol and Its Related
Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, China
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13
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Raghavan S, Patel JS. A Stereoselective Synthesis of the Carbon Backbone of Phoslactomycin B. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700379] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Sadagopan Raghavan
- Natural Product Chemistry Division; Indian Institute of Chemical Technology; Hyderabad India
- Academy of Scientific and Innovative Research; Indian Institute of Chemical Technology; Hyderabad India
| | - Javed Sardar Patel
- Natural Product Chemistry Division; Indian Institute of Chemical Technology; Hyderabad India
- Academy of Scientific and Innovative Research; Indian Institute of Chemical Technology; Hyderabad India
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14
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Trost BM, Knopf JD, Brindle CS. Synthetic Strategies Employed for the Construction of Fostriecin and Related Natural Products. Chem Rev 2016; 116:15035-15088. [PMID: 28027648 PMCID: PMC5720176 DOI: 10.1021/acs.chemrev.6b00488] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Fostriecin and related natural products present a significant challenge for synthetic chemists due to their structural complexity and chemical sensitivity. This review will chronicle the successful efforts of synthetic chemists in the construction of these biologically active molecules. Key carbon-carbon bond forming reactions will be highlighted, as well as the methods used to install the numerous stereocenters present in this class of compounds.
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Affiliation(s)
- Barry M. Trost
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Joshua D. Knopf
- Department of Chemistry, Trinity College, 300 Summit Street, Hartford, Connecticut 06106, United States
| | - Cheyenne S. Brindle
- Department of Chemistry, Trinity College, 300 Summit Street, Hartford, Connecticut 06106, United States
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15
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Rh-catalyzed asymmetric 1,4-addition reactions to α,β-unsaturated carbonyl and related compounds: an update. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.tetasy.2016.05.004] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Trost BM, Biannic B, Brindle CS, O'Keefe BM, Hunter TJ, Ngai MY. A Highly Convergent Total Synthesis of Leustroducsin B. J Am Chem Soc 2015; 137:11594-7. [PMID: 26313159 PMCID: PMC4621997 DOI: 10.1021/jacs.5b07438] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Leustroducsin
B exhibits a large variety of biological activities
and unique structural features. An efficient and highly convergent
total synthesis of Leustroducsin B was achieved in 17 longest linear
and 39 total steps by disconnecting the molecule into three fragments
having similar levels of complexity. These pieces were connected via
a highly efficient chelate-controlled addition of a vinyl zincate
to an α-hydroxy ketone and a silicon-mediated cross-coupling.
The stereochemistry of the central and western fragments was set catalytically
in high yields and excellent de by a zinc-ProPhenol-catalyzed aldol
reaction and a palladium-catalyzed asymmetric allylic alkylation.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University , Stanford, California 94305-5580, United States
| | - Berenger Biannic
- Department of Chemistry, Stanford University , Stanford, California 94305-5580, United States
| | - Cheyenne S Brindle
- Department of Chemistry, Stanford University , Stanford, California 94305-5580, United States
| | - B Michael O'Keefe
- Department of Chemistry, Stanford University , Stanford, California 94305-5580, United States
| | - Thomas J Hunter
- Department of Chemistry, Stanford University , Stanford, California 94305-5580, United States
| | - Ming-Yu Ngai
- Department of Chemistry, Stanford University , Stanford, California 94305-5580, United States
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17
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Doepner AM, Aboagye EO, Barrett AG. 2′-Deoxy-2′,2′-difluorothymidine analogues for radiolabeling with fluorine-18 and other biomedical applications. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.12.051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Fernández de la Pradilla R, Velado M, Colomer I, Simal C, Viso A, Gornitzka H, Hemmert C. Remote stereocontrol in the synthesis of acyclic 1,4-diols and 1,4-aminoalcohols from 2-sulfinyl dienes. Org Lett 2014; 16:5200-3. [PMID: 25252268 DOI: 10.1021/ol502592y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The highly diastereoselective conjugate addition of alcohols and amines (RXH) to enantiopure 2-sulfinyl dienes renders transient allylic sulfoxides which undergo sulfoxide-sulfenate rearrangement and sulfenate cleavage providing 2-ene-1,4-diols and 2-ene-1,4-aminoalcohols with up to 99:1 dr. The method allows for the generation of two stereocenters in a single synthetic operation with remote chirality transfer of one center into the other.
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19
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Hatakeyama S. Total Synthesis of Biologically Active Natural Products Based on Highly Selective Synthetic Methodologies. Chem Pharm Bull (Tokyo) 2014; 62:1045-61. [DOI: 10.1248/cpb.c14-00474] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Susumi Hatakeyama
- Graduate School of Biomedical Sciences, Nagasaki University, 1–14 Bunkyo-machi, Nagasaki 852–8521, Japan
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20
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Westmeier J, Pfaff C, Siewert J, von Zezschwitz P. First Tandem Asymmetric Conjugate Addition of Alkenyl Nucleophiles and Silyl Trapping of the Intermediate Enolates. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300524] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Müller D, Alexakis A. Rhodium and copper-catalyzed asymmetric conjugate addition of alkenyl nucleophiles. Chem Commun (Camb) 2013; 48:12037-49. [PMID: 23096501 DOI: 10.1039/c2cc34607a] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Since the initial reports in the mid-90s, metal catalyzed asymmetric conjugate addition (ACA) reactions evolved as an important tool for the synthetic chemist. Most of the research efforts have been done in the field of rhodium and copper catalyzed ACA reactions employing aryl and alkyl nucleophiles. Despite the great synthetic value of the double bond, the addition of alkenyl nucleophiles remains insufficiently explored. In this account, an overview of the developments in the field of rhodium and copper catalyzed ACA reactions with organometallic alkenyl reagents (B, Mg, Al, Si, Zr, Sn) will be provided. The account is intended to give a comprehensive overview of all the existing methods. However, in many cases only selected examples are displayed in order to facilitate comparison of different ligands and methodologies.
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Affiliation(s)
- Daniel Müller
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, CH-1211 Geneva, Switzerland
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22
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23
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Yu HJ, Shao C, Cui Z, Feng CG, Lin GQ. Highly Enantioselective Alkenylation of Cyclic α,β-Unsaturated Carbonyl Compounds as Catalyzed by a Rhodium-Diene Complex: Application to the Synthesis of (S)-Pregabalin and (−)-α-Kainic Acid. Chemistry 2012; 18:13274-8. [DOI: 10.1002/chem.201202660] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Indexed: 02/04/2023]
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24
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Chen YL, Zhao J, Liu W, Gao JF, Tao LM, Pan HX, Tang GL. Identification of phoslactomycin biosynthetic gene clusters from Streptomyces platensis SAM-0654 and characterization of PnR1 and PnR2 as positive transcriptional regulators. Gene 2012; 509:195-200. [PMID: 22940146 DOI: 10.1016/j.gene.2012.08.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2012] [Revised: 08/10/2012] [Accepted: 08/20/2012] [Indexed: 11/20/2022]
Abstract
Phoslactomycins (PLMs) are inhibitors of protein serine/threonine phosphatase 2A showing diverse and important antifungal, antibacterial and antitumor activity. PLMs are polyketide natural products and produced by several Streptomyces species. The PLMs biosynthetic gene clusters were identified from Streptomyces platensis SAM-0654 and localized in two separate genomic regions, consisting of 27 open reading frames that encode polyketide synthases (PKSs), enzymes for cyclohexanecarboxyl-CoA (CHC-CoA) and ethylmalonyl-CoA (Em-CoA) synthesis, enzymes for post-PKS modifications, proposed regulators, and putative resistance transporters. Bioinformatic analysis and inactivation experiment of regulatory genes suggest that PnR1 and PnR2 are two positive regulators of PLMs biosynthesis. Gene transcription analysis by reverse transcriptase PCR (RT-PCR) of the PLMs gene cluster demonstrated that PnR1 and PnR2 activate the transcription of the structural biosynthetic genes while PnR2 specially governs the transcription of pnR1 in a higher level.
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Affiliation(s)
- Yun-Liang Chen
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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25
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Helbig S, Axenov KV, Tussetschläger S, Frey W, Laschat S. Application of chiral tetrahydropentalene ligands in rhodium-catalyzed 1,4-addition of (E)-2-phenylethenyl- and (Z)-propenylboronic acids to enones. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.04.130] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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26
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Boyce GR, Greszler SN, Johnson JS, Linghu X, Malinowski JT, Nicewicz DA, Satterfield AD, Schmitt DC, Steward KM. Silyl glyoxylates. Conception and realization of flexible conjunctive reagents for multicomponent coupling. J Org Chem 2012; 77:4503-15. [PMID: 22414181 PMCID: PMC3356452 DOI: 10.1021/jo300184h] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This Perspective describes the discovery and development of silyl glyoxylates, a new family of conjunctive reagents for use in multicomponent coupling reactions. The selection of the nucleophilic and electrophilic components determines whether the silyl glyoxylate reagent will function as a synthetic equivalent to the dipolar glycolic acid synthon, the glyoxylate anion synthon, or the α-keto ester homoenolate synthon. The ability to select for any of these reaction modes has translated to excellent structural diversity in the derived three- and four-component coupling adducts. Preliminary findings on the development of catalytic reactions using these reagents are detailed, as are the design and discovery of new reactions directed toward particular functional group arrays embedded within bioactive natural products.
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Affiliation(s)
- Gregory R. Boyce
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Stephen N. Greszler
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Jeffrey S. Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Xin Linghu
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Justin T. Malinowski
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - David A. Nicewicz
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Andrew D. Satterfield
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Daniel C. Schmitt
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Kimberly M. Steward
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
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27
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Efficient Fe/I2/NaI mediated synthesis of alkenyl iodides through direct coupling of alcohols and alkynes. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2011.11.037] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Wang Y, Xing Y, Zhang Q, O'Doherty GA. De novo synthesis of natural products via the asymmetric hydration of polyenes. Chem Commun (Camb) 2011; 47:8493-505. [PMID: 21559534 PMCID: PMC5815319 DOI: 10.1039/c1cc11791b] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
For the last ten years our group has been working toward the development of an asymmetric hydration approach to polyketide natural products based on the regioselective hydration of di- and tri-enoates. Key to the success of this approach is the recognition that both high regiocontrol and asymmetric induction could be obtained by the use of a Sharpless asymmetric dihydroxylation reaction. Herein we describe the development of the method and its application to natural product total synthesis.
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Affiliation(s)
- Yanping Wang
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts, USA
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29
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Greszler SN, Malinowski JT, Johnson JS. Formal synthesis of leustroducsin B via Reformatsky/Claisen condensation of silyl glyoxylates. Org Lett 2011; 13:3206-9. [PMID: 21591684 PMCID: PMC3115596 DOI: 10.1021/ol2011192] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A formal synthesis of leustroducsin B has been completed. The synthesis relies upon a recently developed Reformatsky/Claisen condensation of silyl glyoxylates and enantioenriched β-lactones that establishes two of the molecule's three core stereocenters and permits further elaboration to an intermediate in Imanishi's synthesis via reliable chemistry (Prasad reduction, asymmetric pentenylation, Mitsunobu inversion).
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Affiliation(s)
- Stephen N. Greszler
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Justin T. Malinowski
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
| | - Jeffrey S. Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290
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30
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Fernández de la Pradilla R, Colomer I, Ureña M, Viso A. Enantiopure 1,4-diols and 1,4-aminoalcohols via stereoselective acyclic sulfoxide-sulfenate rearrangement. Org Lett 2011; 13:2468-71. [PMID: 21469662 DOI: 10.1021/ol200718y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Treatment of acyclic α-hydroxy and α-tosylamino sulfinyl dienes with amines affords enantiopure 1,4-diol or 1,4-hydroxysulfonamide derivatives in good yields and diastereoselectivities. This one-pot procedure entails a conjugate addition that triggers a diastereoselective sulfoxide-sulfenate [2,3]-sigmatropic rearrangement.
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31
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Raghavan S, Sudheer Babu V, Sridhar B. Mercury(II)-Mediated Cleavage of Cyclopropylcarbinols by an Intramolecular Sulfinyl Group as a Stereo- and Regioselective Route to Stereotriads and Stereotetrads. J Org Chem 2010; 76:557-65. [DOI: 10.1021/jo1019909] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sadagopan Raghavan
- Organic Division I, Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Vaddela Sudheer Babu
- Organic Division I, Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - B. Sridhar
- Lab of X-ray Crystallography, Indian Institute of Chemical Technology, Hyderabad 500 007, India
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32
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Gao D, O'Doherty GA. Total synthesis of fostriecin: via a regio- and stereoselective polyene hydration, oxidation, and hydroboration sequence. Org Lett 2010; 12:3752-5. [PMID: 20687585 DOI: 10.1021/ol101340n] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A total synthesis of the fostriecin has been achieved in 24 steps from enyne 11. The lactone moiety was installed by a Leighton allylation and Grubbs ring-closing metathesis reaction. The highly reactive Z,Z,E-triene moiety was installed via a late-stage Suzuki-Miyaura cross-coupling of a remarkably stable Z-vinyl boronate. The relative and absolute stereocenters of the C-8,9,11 triol were generated with a regio- and stereoselective asymmetric hydration/oxidation sequence.
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Affiliation(s)
- Dong Gao
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts 02115, USA
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33
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Burke CP, Swingle MR, Honkanen RE, Boger DL. Total synthesis and evaluation of phostriecin and key structural analogues. J Org Chem 2010; 75:7505-13. [PMID: 20669916 PMCID: PMC2978778 DOI: 10.1021/jo1010203] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Full details of the total synthesis of phostriecin (2), the assignment of its relative and absolute stereochemistry, and the resultant structural reassignment of the natural product previously represented as sultriecin (1), a phosphate versus sulfate monoester, are detailed. Studies with authentic material confirmed that phostriecin, but not sultriecin, is an effective and selective inhibitor of protein phosphatase 2A (PP2A) defining a mechanism of action responsible for its antitumor activity. The extension of the studies to the synthesis and evaluation of a series of key synthetic analogues is disclosed that highlights the importance of the natural product phosphate monoester (vs sulfate or free alcohol, both inactive and >250-fold), the α,β-unsaturated lactone (12-fold), and the hydrophobic Z,Z,E-triene tail (C12-C22, ca. 200-fold) including the unique importance of its unsaturation (50-fold, and no longer PP2A selective).
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Affiliation(s)
- Christopher P. Burke
- Department of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037
| | - Mark R. Swingle
- Department of Biochemistry and Molecular Biology, University of South Alabama College of Medicine, Mobile, Alabama 36688
| | - Richard E. Honkanen
- Department of Biochemistry and Molecular Biology, University of South Alabama College of Medicine, Mobile, Alabama 36688
| | - Dale L. Boger
- Department of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037
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34
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Druais V, Hall MJ, Corsi C, Wendeborn SV, Meyer C, Cossy J. A convergent approach toward phoslactomycins and leustroducsins. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.05.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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35
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Gebhardt B, König CM, Schleth C, Dauber M, Koert U. Good timing in total synthesis: the case of phoslactomycin A. Chemistry 2010; 16:5934-41. [PMID: 20397250 DOI: 10.1002/chem.201000104] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The importance for the right order of functional group introduction and manipulation (good timing) was demonstrated in the course of a total synthesis of phoslactomycin A. The synthetic strategy comprised a Cu(I)-thiophene carboxylate (CuTC, Liebeskind's reagent)-mediated coupling to introduce the Z,Z-diene at the final stage of the synthesis in the presence of a protected phosphate. Key features for the assembly of the C1-C13 fragment were an asymmetric dihydroxylation, an Evans-aldol reaction and an advanced protective group strategy. The C14-C21 fragment was accessible via an asymmetric 1,2-addition to cyclohexenone and a subsequent diastereoselective ketone reduction. One crucial task was the dihydroxylation of the C8-C9 alkene, the introduction of the C6-C7 double bond and the generation of the C25-nitrogen functionality. A second example consisted of the best sequence for the generation of the functional groups in the core part (first phosphorylation, second iodo-olefination, third azide/carbamate conversion). The synthetic solutions from this approach are compared with the already existing contributions in the phoslactomycin area.
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Affiliation(s)
- Björn Gebhardt
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35032 Marburg, Germany
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36
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Wang M, Lin Z. Stille Cross-Coupling Reactions of Alkenylstannanes with Alkenyl Iodides Mediated by Copper(I) Thiophene-2-carboxylate: A Density Functional Study. Organometallics 2010. [DOI: 10.1021/om100304t] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meiyan Wang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
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37
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Burke CP, Haq N, Boger DL. Total synthesis, assignment of the relative and absolute stereochemistry, and structural reassignment of phostriecin (aka Sultriecin). J Am Chem Soc 2010; 132:2157-9. [PMID: 20108904 PMCID: PMC2824046 DOI: 10.1021/ja9097252] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A total synthesis of phostriecin (2), previously known as sultriecin (1), its structural reassignment as a phosphate versus sulfate monoester, and the assignment of its relative and absolute stereochemistry are disclosed herein. Key elements of the work, which provided first the originally assigned sulfate monoester 1 and then the reassigned and renamed phosphate monoester 2, relied on diagnostic (1)H NMR spectroscopic properties of the natural product for the assignment of relative and absolute stereochemistry as well as the subsequent structural reassignment, and a convergent asymmetric total synthesis to provide the unequivocal authentic materials. Key steps of the synthetic approach include a Brown allylation for diastereoselective introduction of the C9 stereochemistry, an asymmetric CBS reduction to establish the lactone C5-stereochemistry, diastereoselective oxidative ring expansion of an alpha-hydroxyfuran to access the pyran lactone precursor, and single-step installation of the sensitive Z,Z,E-triene unit through a chelation-controlled cuprate addition with installation of the C11 stereochemistry. The approach allows ready access to analogues that can now be used to probe important structural features required for protein phosphatase 2A inhibition, the mechanism of action defined herein.
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Affiliation(s)
- Christopher P. Burke
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037
| | - Nadia Haq
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037
| | - Dale L. Boger
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037
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38
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Robles O, McDonald FE. Convergent Synthesis of Fostriecin via Selective Alkene Couplings and Regioselective Asymmetric Dihydroxylation. Org Lett 2009; 11:5498-501. [DOI: 10.1021/ol902365n] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Omar Robles
- Department of Chemistry, Emory University, Atlanta, Georgia 30322
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39
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Sarkar SM, Wanzala EN, Shibahara S, Takahashi K, Ishihara J, Hatakeyama S. Enantio- and stereoselective route to the phoslactomycin family of antibiotics: formal synthesis of (+)-fostriecin and (+)-phoslactomycin B. Chem Commun (Camb) 2009:5907-9. [DOI: 10.1039/b912267b] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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