1
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Liu ZH, Xiao J, Zhai QQ, Tang X, Xu LJ, Zhuang ZY, Wang YW, Peng Y. Intramolecular Ni-catalyzed reductive coupling enables enantiodivergent synthesis of linoxepin. Chem Commun (Camb) 2024; 60:694-697. [PMID: 38105647 DOI: 10.1039/d3cc05312a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
A nickel-catalyzed reductive tandem cyclization of the elaborated β-bromo acetal with a dibenzoxepin scaffold was invented to strategically construct the remaining two rings in linoxepin. The generated diasterodivergent intermediates could be easily converted to both enantiomers of this unique cyclolignan molecule via facile oxidations, thus realizing enantiodivergent total synthesis of linoxepin for the first time.
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Affiliation(s)
- Zi-Hao Liu
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, P. R. China.
| | - Jian Xiao
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, P. R. China.
| | - Qian-Qian Zhai
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, P. R. China.
| | - Xi Tang
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, P. R. China.
| | - Li-Jun Xu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Zhi-Yuan Zhuang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Ya-Wen Wang
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, P. R. China.
| | - Yu Peng
- School of Chemistry, Key Laboratory of Advanced Technologies of Materials (Ministry of Education), Southwest Jiaotong University, Chengdu 610031, P. R. China.
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2
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Reynolds RG, Nguyen HQA, Reddel JCT, Thomson RJ. Recent strategies and tactics for the enantioselective total syntheses of cyclolignan natural products. Nat Prod Rep 2022; 39:670-702. [PMID: 34664594 PMCID: PMC8957534 DOI: 10.1039/d1np00057h] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Covering: 2000 to 2021Lignan natural products are found in many different plant species and possess numerous useful biological properties, such as anti-inflammatory, antiviral, antioxidant, antibacterial, and antitumor activities. Their utility in both traditional and conventional medicine, coupled with their structural diversity has made them popular synthetic targets over many decades. This review specifically addresses the cyclolignan subclass of the family, which possess both a C8-C8' and a C2-C7' linkage between two different phenylpropene units. We present a comprehensive overview of the diverse strategies employed by chemists to achieve enantioselective total syntheses of cyclolignans covering: 2000 to 2021.
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Affiliation(s)
- Rebekah G Reynolds
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA.
| | - Huong Quynh Anh Nguyen
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA.
| | - Jordan C T Reddel
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA.
| | - Regan J Thomson
- Department of Chemistry, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, USA.
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3
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Zhang HQ, Yan CX, Xiao J, Wang YW, Peng Y. Recent advances in the total synthesis of 2,7'-cyclolignans. Org Biomol Chem 2022; 20:1623-1636. [PMID: 35129186 DOI: 10.1039/d1ob02457d] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthetic progress of bioactive 2,7'-cyclolignans is reviewed. After a short introduction to biosynthesis and chemoenzymatic synthesis, the chemical synthesis of various aryltetralin, dihydronaphthalene and 7'-arylnaphthalene-types of these lignans is demonstrated. Notably, newly developed methods, such as Pd-catalyzed C-H arylation, organocatalysis and photocatalysis under visible-light, are discussed during the construction of their skeleton. These efforts will stimulate further development of novel synthetic strategies for this kind of natural product with important biological activities.
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Affiliation(s)
- Han-Qiu Zhang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Chu-Xuan Yan
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Jian Xiao
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Ya-Wen Wang
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
| | - Yu Peng
- Sichuan Engineering Research Center for Biomimetic Synthesis of Natural Drugs, School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China.
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4
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Cao JS, Zeng J, Xiao J, Wang XH, Wang Y, Peng Y. Total synthesis of linoxepin facilitated by Ni-catalyzed tandem reductive cyclization. Chem Commun (Camb) 2022; 58:7273-7276. [DOI: 10.1039/d2cc02221d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A nickel-catalyzed reductive cyclization was developed to construct the tricyclic core embedded in linoxepin, a cyclolignan with a unique benzoxepin ring. The generated diasterodivergent acetals could be converted to the...
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5
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Rafiee F, Hasani S. Exciting progress in the transition metal‐catalyzed synthesis of oxepines, benzoxepines, dibenzoxepines, and other derivatives. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6555] [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)
- Fatemeh Rafiee
- Department of Chemistry, Faculty of Physics and Chemistry Alzahra University Tehran Iran
| | - Samira Hasani
- Department of Chemistry, Faculty of Physics and Chemistry Alzahra University Tehran Iran
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6
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Geffers FJ, Kurth FR, Jones PG, Werz DB. Alkyne Aminopalladation/Heck and Suzuki Cascades: An Approach to Tetrasubstituted Enamines. Chemistry 2021; 27:14846-14850. [PMID: 34611939 PMCID: PMC8596888 DOI: 10.1002/chem.202103567] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Indexed: 12/04/2022]
Abstract
Alkyne aminopalladation reactions starting from tosylamides are reported. The emerging vinylic Pd species are converted either in an intramolecular Heck reaction with olefinic units or in an intermolecular Suzuki reaction by using boronic acids exhibiting broad functional group tolerance. Tetra(hetero)substituted tosylated enamines are obtained in a simple one-pot process.
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Affiliation(s)
- Finn J. Geffers
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Florens R. Kurth
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
| | - Peter G. Jones
- Technische Universität BraunschweigInstitute of Inorganic and Analytical ChemistryHagenring 3038106BraunschweigGermany
| | - Daniel B. Werz
- Technische Universität BraunschweigInstitute of Organic ChemistryHagenring 3038106BraunschweigGermany
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7
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Inyutina A, Kantin G, Dar In D, Krasavin M. Diastereoselective Formal [5+2] Cycloaddition of Diazo Arylidene Succinimides-Derived Rhodium Carbenes and Aldehydes: A Route to 2-Benzoxepines. J Org Chem 2021; 86:13673-13683. [PMID: 34517699 DOI: 10.1021/acs.joc.1c01710] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
We report on a facile method for the preparation of 2-benzoxepine derivatives as a result of Rh(II)-catalyzed decomposition of diazo arylidene succinimides in the presence of aldehydes. The process is thought to involve the formation of styryl carbonyl ylide which undergoes 1,7-electrocyclization and subsequent 1,5-hydrogen shift. In some cases, the competition of the target reaction and [3+2] dipolar cycloaddition of the intermediate carbonyl ylide to another molecule of diazo substrate was observed. Generally, the desired 2-benzoxepines were isolated in good to high yields and high diastereoselectivity. The developed original approach toward a 2-benzoxepine core via formal [5+2] cycloaddition of styryl carbenoids and aldehydes significantly expands the arsenal of synthetic methods for producing this scaffold.
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Affiliation(s)
- Anna Inyutina
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Grigory Kantin
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Dmitry Dar In
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
| | - Mikhail Krasavin
- Saint Petersburg State University, Saint Petersburg 199034, Russian Federation
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8
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Xu M, Hou M, He H, Gao S. Asymmetric Total Synthesis of Aglacins A, B, and E. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mengmeng Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical, Processes School of Chemistry and Molecular Engineering East China Normal University China
| | - Min Hou
- Shanghai Key Laboratory of Green Chemistry and Chemical, Processes School of Chemistry and Molecular Engineering East China Normal University China
| | - Haibing He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development East China Normal University 3663 North Zhongshan Road Shanghai 200062 China
| | - Shuanhu Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical, Processes School of Chemistry and Molecular Engineering East China Normal University China
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development East China Normal University 3663 North Zhongshan Road Shanghai 200062 China
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9
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Xu M, Hou M, He H, Gao S. Asymmetric Total Synthesis of Aglacins A, B, and E. Angew Chem Int Ed Engl 2021; 60:16655-16660. [PMID: 34008314 DOI: 10.1002/anie.202105395] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Indexed: 12/16/2022]
Abstract
An asymmetric photoenolization/Diels-Alder (PEDA) reaction between electron-rich 2-methylbenzaldehydes and unsaturated γ-lactones was developed to directly construct the basic tricyclic core of aryltetralin lactone lignans. This methodology enabled the first asymmetric total synthesis of aglacins A, B, and E and revision of the absolute configuration of these natural lignans. The strategy was also used to prepare the naturally occurring aryldihydronaphthalene-type lignans (-)-7,8-dihydroisojusticidin B and (+)-linoxepin in four and six steps, as well as 27 natural-product-like molecules containing a C8' quaternary center. We believe that the synthetic aglacins and small-molecule library provide new opportunities to carry out the SAR studies of the podophyllotoxin family of natural products.
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Affiliation(s)
- Mengmeng Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical, Processes, School of Chemistry and Molecular Engineering, East China Normal University, China
| | - Min Hou
- Shanghai Key Laboratory of Green Chemistry and Chemical, Processes, School of Chemistry and Molecular Engineering, East China Normal University, China
| | - Haibing He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, China
| | - Shuanhu Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical, Processes, School of Chemistry and Molecular Engineering, East China Normal University, China.,Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University, 3663 North Zhongshan Road, Shanghai, 200062, China
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10
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Mondal S, Ballav T, Biswas K, Ghosh S, Ganesh V. Exploiting the Versatility of Palladium Catalysis: A Modern Toolbox for Cascade Reactions. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100312] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Sourav Mondal
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Tamal Ballav
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Krishna Biswas
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Suman Ghosh
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Venkataraman Ganesh
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
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11
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Lázaro-Milla C, Yanai H, Almendros P. Metal-Free C-C/C-N/C-C Bond Formation Cascade for the Synthesis of (Trifluoromethyl)sulfonylated Cyclopenta[ b]indolines. Org Lett 2021; 23:2921-2926. [PMID: 33793251 PMCID: PMC8479863 DOI: 10.1021/acs.orglett.1c00557] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Indexed: 11/29/2022]
Abstract
A bis(triflyl)ethylation [triflyl = (trifluoromethyl)sulfonyl] inserted into a sequential cyclization cascade resulted in the direct formation of gem-bis(triflyl)ated cyclopenta[b]indolines from anilide-derived allenols and alkenols. This catalyst- and irradiation-free sequence facilitated the efficient preparation of functionalized tricyclic indoline cores bearing two contiguous stereocenters. The formed cyclopenta[b]indolines can be easily transformed into a wide variety of triflylated indolines, including the tetracycle ring system found in polyveoline.
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Affiliation(s)
- Carlos Lázaro-Milla
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Hikaru Yanai
- School
of Pharmacy, Tokyo University of Pharmacy
and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Pedro Almendros
- Instituto
de Química Orgánica General, IQOG, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
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12
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Reding A, Ohta N, Sebrantke P, Jones PG, Nakao Y, Werz DB. Intramolecular
trans
‐Carbocarbonation of Carbon‐Carbon Triple Bonds by an
anti
‐Carbopalladation/Suzuki Coupling Cascade. ChemCatChem 2020. [DOI: 10.1002/cctc.202000545] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Andreas Reding
- Technische Universität BraunschweigInstitute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Naoki Ohta
- Department of Material ChemistryGraduate School of EngineeringKyoto University Katsura, Nishikyo-ku, Kyoto 615-8510 Japan
| | - Philip Sebrantke
- Technische Universität BraunschweigInstitute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Technische Universität BraunschweigInstitute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Yoshiaki Nakao
- Department of Material ChemistryGraduate School of EngineeringKyoto University Katsura, Nishikyo-ku, Kyoto 615-8510 Japan
| | - Daniel B. Werz
- Technische Universität BraunschweigInstitute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
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13
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Bürger M, Loch MN, Jones PG, Werz DB. From 1,2-difunctionalisation to cyanide-transfer cascades - Pd-catalysed cyanosulfenylation of internal (oligo)alkynes. Chem Sci 2019; 11:1912-1917. [PMID: 34123284 PMCID: PMC8148069 DOI: 10.1039/c9sc04569d] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Internal alkynes substituted by aliphatic or aromatic moieties or by heteroatoms were converted into sulphur-substituted acrylonitrile derivatives. Key is the use of Pd catalysis, which allows the addition of aromatic and aliphatic thiocyanates in an intra- and intermolecular manner. Substrates with several alkyne units underwent further carbopalladation steps after the initial thiopalladation step, thus generating in a cascade-like fashion an oligoene unit with sulphur at one terminus and the cyano group at the other. The intra- and intermolecular Pd-catalysed cyanosulfenylation of internal alkynes enables the formation of tetrasubstituted thioacrylonitriles and is extended to oligoyne systems leading to oligoenes and a cyanide transfer over four or six atoms.![]()
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Affiliation(s)
- Marcel Bürger
- Technische Universität Braunschweig, Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Maximilian N Loch
- Technische Universität Braunschweig, Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Peter G Jones
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Daniel B Werz
- Technische Universität Braunschweig, Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
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14
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Schitter T, Stammwitz S, Jones PG, Werz DB. An anti-Carbopalladation/Amination Cascade with Alkynes: Access to Tetrasubstituted Enamines and Pyrroles. Org Lett 2019; 21:9415-9419. [DOI: 10.1021/acs.orglett.9b03625] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Schitter T, Roy NJ, Jones PG, Werz DB. Synthesis of Highly Substituted Furans by a Cascade of Formal anti-Carbopalladation/Hydroxylation and Elimination. Org Lett 2019; 21:640-643. [DOI: 10.1021/acs.orglett.8b03732] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Lopes AB, Wagner P, Gulea M. Synthesis of Benzimidazole-Fused Medium-Sized N,S
-Heterocycles via Palladium-Catalyzed Cyclizations. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801686] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Alexandra Basilio Lopes
- Laboratoire d'Innovation Thérapeutique (LIT) UMR 7200; Faculté de Pharmacie; Université de Strasbourg, CNRS; route du Rhin 67401 Illkirch France
| | - Patrick Wagner
- Laboratoire d'Innovation Thérapeutique (LIT) UMR 7200; Faculté de Pharmacie; Université de Strasbourg, CNRS; route du Rhin 67401 Illkirch France
| | - Mihaela Gulea
- Laboratoire d'Innovation Thérapeutique (LIT) UMR 7200; Faculté de Pharmacie; Université de Strasbourg, CNRS; route du Rhin 67401 Illkirch France
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17
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F. Tietze L, A. Khan T. Synthesis of a Poly-Heterocyclic Tetra-Substituted Alkene via a Palladium-Catalyzed Four-Fold Domino Reaction for the Design of Polymeric Molecular Switches. HETEROCYCLES 2019. [DOI: 10.3987/com-18-s(f)94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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18
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Reding A, Jones PG, Werz DB. Intramolecular trans-Carbocarbonation of Internal Alkynes by a Cascade of Formal anti-Carbopalladation/Cyclopropanol Opening. Org Lett 2018; 20:7266-7269. [PMID: 30398882 DOI: 10.1021/acs.orglett.8b03179] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
An intramolecular cascade reaction consisting of a formal anti-carbopalladation terminated by the ring-opening of a cyclopropanol unit is presented. The products, which involve tetrasubstituted alkene units embedded in an oligocyclic ring system, are generated in moderate to excellent yield. The opening of the cyclopropanol unit leads to a keto group in the γ-position to the emerging double bond.
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19
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Lotz F, Kahle K, Kangani M, Senthilkumar S, Tietze LF. Domino C-H Activation Reactions through Proximity Effects. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801289] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Florian Lotz
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Klaus Kahle
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Mehrnoush Kangani
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Soundararasu Senthilkumar
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Lutz F. Tietze
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
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20
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Affiliation(s)
- Jasper Biemolt
- Department of Chemistry & Pharmaceutical Sciences and Amsterdam; Institute for Molecules; Medicines & Systems; Vrije Universiteit Amsterdam; De Boelelaan 1108 1081HZ Amsterdam The Netherlands
| | - Eelco Ruijter
- Department of Chemistry & Pharmaceutical Sciences and Amsterdam; Institute for Molecules; Medicines & Systems; Vrije Universiteit Amsterdam; De Boelelaan 1108 1081HZ Amsterdam The Netherlands
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21
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Schitter T, Jones PG, Werz DB. Intramolecular Pd-Catalyzed Formal anti-Carboalkoxylation of Alkynes: Access to Tetrasubstituted Enol Ethers. Chemistry 2018; 24:13446-13449. [PMID: 30035827 DOI: 10.1002/chem.201803721] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Indexed: 11/11/2022]
Abstract
An intramolecular Pd-catalyzed formal anti-carboalkoxylation reaction is presented that provides access to tetrasubstituted enol ethers. The key to success is a cascade consisting of a formal anti-carbopalladation of a carbon-carbon triple bond followed by a nucleophilic attack of a hydroxy group at the emerging vinyl organopalladium species. The desired transformation proceeded smoothly with primary, secondary, and tertiary alcohols, and even with phenols. Depending on the substitution pattern of the enol ethers, a further Tsuji-Trost-type step may occur resulting in oligocyclic ketals.
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Affiliation(s)
- Theresa Schitter
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Peter G Jones
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Daniel B Werz
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
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22
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Reding A, Jones PG, Werz DB. trans
‐Carbocarbonation of Internal Alkynes through a Formal
anti
‐Carbopalladation/C−H Activation Cascade. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805399] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Andreas Reding
- Technische Universität BraunschweigInstitute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Technische Universität BraunschweigInstitute of Inorganic and Analytical Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Daniel B. Werz
- Technische Universität BraunschweigInstitute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
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23
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Reding A, Jones PG, Werz DB. trans-Carbocarbonation of Internal Alkynes through a Formal anti-Carbopalladation/C-H Activation Cascade. Angew Chem Int Ed Engl 2018; 57:10610-10614. [PMID: 29846035 DOI: 10.1002/anie.201805399] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 05/30/2018] [Indexed: 11/06/2022]
Abstract
An intramolecular Pd-catalyzed cascade reaction is presented that consists of a formal anti-carbopalladation of a C-C triple bond followed by C-H activation. As a result, oligocyclic ring systems with an embedded tetrasubstituted double bond are formed. The key to success in affording the trans geometry of the emerging double bond are alkyne units with residues that must not undergo β-hydride elimination (e.g., t-butyl or silyl groups). Silyl groups proved to be a perfect handle to further convert the tetrasubstituted alkenes. The evaluation of kinetic data with a deuterium-labeled compound and X-ray analyses of trapped intermediates provided additional insight into the catalytic cycle.
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Affiliation(s)
- Andreas Reding
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Peter G Jones
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106, Braunschweig, Germany
| | - Daniel B Werz
- Technische Universität Braunschweig, Institute of Organic Chemistry, Hagenring 30, 38106, Braunschweig, Germany
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Khan TA, Fornefeld T, Hübner D, Vana P, Tietze LF. Palladium-Catalyzed 4-Fold Domino Reaction for the Synthesis of a Polymeric Double Switch. Org Lett 2018; 20:2007-2010. [PMID: 29558155 DOI: 10.1021/acs.orglett.8b00553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A palladium-catalyzed 4-fold domino reaction consisting of two carbopalladation reactions and two C-H activation reactions, followed by the introduction of an acrylate moiety, led to the tetra-substituted helical alkene A2, using the dialkyne A3 as a substrate. The alkene was copolymerized with butyl acrylate by using the reversible addition-fragmentation chain transfer polymerization (RAFT) to give the desired polymeric switch A1.
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Affiliation(s)
- Taukeer A Khan
- Institute of Organic and Biomolecular Chemistry , Georg-August-University of Göttingen , Tammannstr. 2 , D-37077 Göttingen , Germany
| | - Torsten Fornefeld
- Institute of Physical Chemistry , Georg-August-University of Göttingen , Tammannstr. 6 , D-37077 Göttingen , Germany
| | - Dennis Hübner
- Institute of Physical Chemistry , Georg-August-University of Göttingen , Tammannstr. 6 , D-37077 Göttingen , Germany
| | - Philipp Vana
- Institute of Physical Chemistry , Georg-August-University of Göttingen , Tammannstr. 6 , D-37077 Göttingen , Germany
| | - Lutz F Tietze
- Institute of Organic and Biomolecular Chemistry , Georg-August-University of Göttingen , Tammannstr. 2 , D-37077 Göttingen , Germany
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25
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Theunissen C, Métayer B, Lecomte M, Henry N, Chan HC, Compain G, Gérard P, Bachmann C, Mokhtari N, Marrot J, Martin-Mingot A, Thibaudeau S, Evano G. Cationic polycyclization of ynamides: building up molecular complexity. Org Biomol Chem 2018; 15:4399-4416. [PMID: 28485455 DOI: 10.1039/c7ob00850c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polycyclization reactions are among the most efficient synthetic tools for the synthesis of complex, polycyclic molecules in a single operation from simple starting materials. We report in this manuscript a full account on the discovery and development of a novel cationic polycyclization from readily available ynamides. Simple activation of these building blocks under acidic conditions enables the generation of highly reactive activated keteniminium ions, which triggers an unprecedented cationic polycyclization yielding highly substituted polycyclic nitrogen heterocycles possessing up to seven fused cycles and three contiguous stereocenters.
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Affiliation(s)
- Cédric Theunissen
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050 Brussels, Belgium.
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26
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Joussot J, Schoenfelder A, Suffert J, Blond G. Synthesis of original polycycles containing five-, six- and seven-membered rings through cyclocarbopalladations/C–H activation cascade reactions. CR CHIM 2017. [DOI: 10.1016/j.crci.2017.01.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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27
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Düfert A, Werz DB. Carbopalladation Cascades Using Carbon-Carbon Triple Bonds: Recent Advances to Access Complex Scaffolds. Chemistry 2016; 22:16718-16732. [PMID: 27667738 DOI: 10.1002/chem.201603044] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Indexed: 12/13/2022]
Abstract
Alkynes are one of the most versatile functional groups as synthetic handles. They allow for a direct access to partially or fully substituted alkenes through difunctionalization reactions. A prominently utilized transformation for these sequences is the carbopalladation of alkynes, which can be followed by various termination steps such as aromatizations, dearomatizations, cross-coupling reactions, or pericyclic processes, amongst others. This Minireview provides an overview of the recent literature published in the field of carbopalladation chemistry, both with a focus on methodology as well as its application in the syntheses of complex molecular scaffolds, natural products, and functional molecules.
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Affiliation(s)
| | - Daniel B Werz
- Technische Universität Braunschweig, Institut für Organische Chemie, Hagenring 30, 38106, Braunschweig, Germany
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28
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Milde B, Reding A, Geffers FJ, Jones PG, Werz DB. Intramoleculartrans-Dicarbofunctionalization of Alkynes by a Formalanti-Carbopalladation/Stille Cascade. Chemistry 2016; 22:14544-7. [DOI: 10.1002/chem.201603784] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Indexed: 01/29/2023]
Affiliation(s)
- Bastian Milde
- Technische Universität Braunschweig; Institute of Organic Chemistry; Hagenring 30 38106 Braunschweig Germany
| | - Andreas Reding
- Technische Universität Braunschweig; Institute of Organic Chemistry; Hagenring 30 38106 Braunschweig Germany
| | - Finn J. Geffers
- Technische Universität Braunschweig; Institute of Organic Chemistry; Hagenring 30 38106 Braunschweig Germany
| | - Peter G. Jones
- Technische Universität Braunschweig; Institute of Inorganic and Analytical Chemistry; Hagenring 30 38106 Braunschweig Germany
| | - Daniel B. Werz
- Technische Universität Braunschweig; Institute of Organic Chemistry; Hagenring 30 38106 Braunschweig Germany
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29
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Ardkhean R, Caputo DFJ, Morrow SM, Shi H, Xiong Y, Anderson EA. Cascade polycyclizations in natural product synthesis. Chem Soc Rev 2016; 45:1557-69. [DOI: 10.1039/c5cs00105f] [Citation(s) in RCA: 185] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Cascade (domino) reactions have an unparalleled ability to generate molecular complexity from relatively simple starting materials; these transformations are particularly appealing when multiple rings are forged during this process.
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Affiliation(s)
| | | | | | - H. Shi
- Chemistry Research Laboratory
- Oxford
- UK
| | - Y. Xiong
- Chemistry Research Laboratory
- Oxford
- UK
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30
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Pawliczek M, Jones PG, Werz DB. Access to Indene Derivatives by a Sequence of Intermolecularanti-Carbopalladation, Heck Reaction, and Electrophilic Attack. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500868] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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31
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Tietze LF, Waldecker B, Ganapathy D, Eichhorst C, Lenzer T, Oum K, Reichmann SO, Stalke D. Four- and Sixfold Tandem-Domino Reactions Leading to Dimeric Tetrasubstituted Alkenes Suitable as Molecular Switches. Angew Chem Int Ed Engl 2015; 54:10317-21. [DOI: 10.1002/anie.201503538] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Indexed: 01/17/2023]
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32
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Tietze LF, Waldecker B, Ganapathy D, Eichhorst C, Lenzer T, Oum K, Reichmann SO, Stalke D. Vier- und sechsfache Tandem-Dominoreaktionen zur Synthese von dimeren tetrasubstituierten Alkenen als molekulare Doppelschalter. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503538] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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33
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Odagi M, Furukori K, Yamamoto Y, Sato M, Iida K, Yamanaka M, Nagasawa K. Origin of Stereocontrol in Guanidine-Bisurea Bifunctional Organocatalyst That Promotes α-Hydroxylation of Tetralone-Derived β-Ketoesters: Asymmetric Synthesis of β- and γ-Substituted Tetralone Derivatives via Organocatalytic Oxidative Kinetic Resolution. J Am Chem Soc 2015; 137:1909-15. [DOI: 10.1021/ja511149y] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Minami Odagi
- Department
of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei
city, 184-8588, Tokyo Japan
| | - Kota Furukori
- Department
of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei
city, 184-8588, Tokyo Japan
| | - Yoshiharu Yamamoto
- Department
of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei
city, 184-8588, Tokyo Japan
| | - Makoto Sato
- Department
of Chemistry, Faculty of Science, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima-ku, 171-8501, Tokyo Japan
| | - Keisuke Iida
- Department
of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei
city, 184-8588, Tokyo Japan
| | - Masahiro Yamanaka
- Department
of Chemistry, Faculty of Science, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima-ku, 171-8501, Tokyo Japan
| | - Kazuo Nagasawa
- Department
of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16, Naka-cho, Koganei
city, 184-8588, Tokyo Japan
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34
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F. Tietze L, Eichhorst C. An Efficient Domino Sonogashira/Double Carbopalladation/C–H-Activation Reaction Leading to Fluorescent Polycyclic Aromatic Hydrocarbons. HETEROCYCLES 2015. [DOI: 10.3987/com-14-s(k)39] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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35
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Tietze LF, Clerc J, Biller S, Duefert SC, Bischoff M. Enantioselective total synthesis of the lignan (+)-linoxepin. Chemistry 2014; 20:17119-24. [PMID: 25345835 DOI: 10.1002/chem.201404679] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Indexed: 11/08/2022]
Abstract
An enantioselective total synthesis of the natural (+)-linoxepin (1) was accomplished in eleven steps from bromovanin (24). Key steps are a domino carbopalladation/ Mizoroki-Heck reaction with the formation of a pentacyclic system, an asymmetric hydroboration as well as an oxidative lactonization.
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Affiliation(s)
- Lutz F Tietze
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen (Germany).
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36
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Saicic RN. Protecting group-free syntheses of natural products and biologically active compounds. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.06.025] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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37
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Tietze LF, Eichhorst C, Hungerland T, Steinert M. A Fast Way to Fluorescence: A Fourfold Domino Reaction to Condensed Polycyclic Compounds. Chemistry 2014; 20:12553-8. [DOI: 10.1002/chem.201402961] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Indexed: 12/24/2022]
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38
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Qureshi Z, Weinstabl H, Suhartono M, Liu H, Thesmar P, Lautens M. Application of the Palladium-Catalysed Norbornene-Assisted Catellani Reaction Towards the Total Synthesis of (+)-Linoxepin and Isolinoxepin. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402218] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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39
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Abstract
This review will focus on selected applications of Sonogashira coupling and subsequent transformations as key steps in the total synthesis of natural products.
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Affiliation(s)
- Dan Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, China
| | - Shuanhu Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes
- Department of Chemistry
- East China Normal University
- Shanghai 200062, China
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40
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Muzart J. Three to seven C–C or C–heteroatom bonds from domino reactions involving a Heck process. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.05.061] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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41
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Weinstabl H, Suhartono M, Qureshi Z, Lautens M. Total Synthesis of (+)‐Linoxepin by Utilizing the Catellani Reaction. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302327] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Harald Weinstabl
- Davenport Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6 (Canada) http://www.chem.utoronto.ca/staff/ML/
| | - Marcel Suhartono
- Davenport Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6 (Canada) http://www.chem.utoronto.ca/staff/ML/
| | - Zafar Qureshi
- Davenport Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6 (Canada) http://www.chem.utoronto.ca/staff/ML/
| | - Mark Lautens
- Davenport Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6 (Canada) http://www.chem.utoronto.ca/staff/ML/
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42
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Weinstabl H, Suhartono M, Qureshi Z, Lautens M. Total synthesis of (+)-linoxepin by utilizing the Catellani reaction. Angew Chem Int Ed Engl 2013; 52:5305-8. [PMID: 23592590 PMCID: PMC3715096 DOI: 10.1002/anie.201302327] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Indexed: 01/07/2023]
Affiliation(s)
- Harald Weinstabl
- Davenport Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, M5S 3H6, Canada
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