1
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Ba M, He F, Ren L, Whittingham WG, Yang P, Li A. Scalable Total Synthesis of Acremolactone B. Angew Chem Int Ed Engl 2024; 63:e202314800. [PMID: 37932901 DOI: 10.1002/anie.202314800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/08/2023]
Abstract
Acremolactone B is a pyridine-containing azaphilone-type polyketide. The first total synthesis of this molecule was achieved on a gram scale, based on an aza-6π electrocyclization-aromatization strategy for construction of the tetra-substituted pyridine ring. A bicyclic intermediate was expeditiously prepared by using [2+2] photocycloaddition and chemoselective Baeyer-Villiger oxidation, which was further elaborated to a densely substituted aza-triene. An electrocyclization-aromatization cascade was utilized to forge the tetracyclic core of this natural product, and the side chain was introduced through diastereoselective acylation and reduction.
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Affiliation(s)
- Mengyu Ba
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Fengqi He
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Lu Ren
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - William G Whittingham
- Jealott's Hill International Research Centre, Syngenta Limited, Bracknell, Berkshire, RG42 6EY, UK
| | - Peng Yang
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, China
| | - Ang Li
- College of Chemistry and Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, China
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
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2
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Waser P, Faghtmann J, Gil-Ordóñez M, Kristensen A, Svenningsen EB, Poulsen TB, Jørgensen KA. Enantioselective Synthesis of α-Quaternary Isochromanes by Oxidative Aminocatalysis and Gold Catalysis. Chemistry 2024; 30:e202401354. [PMID: 38629389 DOI: 10.1002/chem.202401354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Indexed: 05/24/2024]
Abstract
A novel strategy that combines oxidative aminocatalysis and gold catalysis allows the preparation of chiral α-quaternary isochromanes, a motif that is prevalent in natural products and synthetic bioactive compounds. In the first step, α-branched aldehydes and propargylic alcohols are transformed into α-quaternary ethers with excellent optical purities (>90 % ee) via oxidative umpolung with DDQ and an amino acid-derived primary amine catalyst. Subsequent gold(I)-catalyzed intramolecular hydroarylation affords the isochromane products with retention of the quaternary stereocenter. A second approach explores the use of allylic alcohols as reaction partners for the oxidative coupling to furnish α-quaternary ethers with generally lower enantiopurities. Stereoretentive cyclization to isochromane products is achieved via intramolecular Friedel-Crafts type alkylation with allylic acetates as a reactive handle. A number of synthetic elaborations and a biological study on these α-quaternary isochromanes highlight the potential applicability of the presented method.
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Affiliation(s)
- Philipp Waser
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Jonas Faghtmann
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Marta Gil-Ordóñez
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Anne Kristensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Esben B Svenningsen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Thomas B Poulsen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
| | - Karl Anker Jørgensen
- Department of Chemistry, Aarhus University, Langelandsgade 140, 8000, Aarhus C, Denmark
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3
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Mut-Salud N, Guardia JJ, Fernández A, Blancas I, Zentar H, Garrido JM, Álvarez-Manzaneda E, Chahboun R, Rodríguez-Serrano F. Discovery of a synthetic taiwaniaquinoid with potent in vitro and in vivo antitumor activity against breast cancer cells. Biomed Pharmacother 2023; 168:115791. [PMID: 37924793 DOI: 10.1016/j.biopha.2023.115791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/12/2023] [Accepted: 10/26/2023] [Indexed: 11/06/2023] Open
Abstract
Taiwaniaquinoids are a unique family of diterpenoids predominantly isolated from Taiwania cryptomerioides Hayata. Previously, we evaluated the antiproliferative effect of several synthetic taiwaniaquinoids against human lung (A-549), colon (T-84), and breast (MCF-7) tumor cell lines. Herein, we report the in vitro and in vivo antitumor activity of the most potent compounds. Their cytotoxic activity against healthy peripheral blood mononuclear cells (PBMCs) has also been examined. We underscore the limited toxicity of compound C36 in PBMCs and demonstrate that it exerts its antitumor effect in MCF-7 cells (IC50 = 1.8 µM) by triggering an increase in reactive oxygen species, increasing the cell population in the sub-G1 phase of the cell cycle (90 %), and ultimately activating apoptotic (49.6 %) rather than autophagic processes. Western blot results suggested that the underlying mechanism of the C36 apoptotic effects was linked to caspase 9 activation and a rise in the Bax/Bcl-2 ratio. In vivo analyses showed normal behavior and hematological parameters in C57BL/6 mice post C36 treatment. Moreover, no significant impact was observed on the biochemical parameters of these animals, indicating that C36 did not induce liver toxicity. Furthermore, C36 demonstrated a significant reduction in tumor growth in immune-competent C57BL/6 mice implanted with E0771 mouse mammary tumor cells, effectively improving survival rates. These findings position taiwaniaquinoids, particularly compound C36, as promising therapeutic candidates for human breast cancer.
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Affiliation(s)
- Nuria Mut-Salud
- Biopathology and Regenerative Medicine Institute (IBIMER), University of Granada, Granada 18016, Spain
| | - Juan J Guardia
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Granada 18071, Spain
| | - Antonio Fernández
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Granada 18071, Spain
| | - Isabel Blancas
- Biopathology and Regenerative Medicine Institute (IBIMER), University of Granada, Granada 18016, Spain; Department of Medicine, School of Medicine, University of Granada, Granada 18016, Spain; Department of Medical Oncology, San Cecilio University Hospital, Granada 18016, Spain; Biosanitary Research Institute of Granada (ibs.GRANADA), Granada 18014, Spain
| | - Houda Zentar
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Granada 18071, Spain
| | - José M Garrido
- Biopathology and Regenerative Medicine Institute (IBIMER), University of Granada, Granada 18016, Spain; Biosanitary Research Institute of Granada (ibs.GRANADA), Granada 18014, Spain; Department of Surgery and Surgical Specialties, University of Granada, Granada 18016, Spain
| | | | - Rachid Chahboun
- Department of Organic Chemistry, Faculty of Sciences, University of Granada, Granada 18071, Spain.
| | - Fernando Rodríguez-Serrano
- Biopathology and Regenerative Medicine Institute (IBIMER), University of Granada, Granada 18016, Spain; Biosanitary Research Institute of Granada (ibs.GRANADA), Granada 18014, Spain; Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, Granada 18016, Spain.
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4
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Unprecedented Elimination Reactions of Cyclic Aldols: A New Biosynthetic Pathway toward the Taiwaniaquinoid Skeleton. Molecules 2023; 28:molecules28041524. [PMID: 36838511 PMCID: PMC9965844 DOI: 10.3390/molecules28041524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/20/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
The acid treatment of 6,7-seco-abietane dialdehydes gives, in high yield, the corresponding derivatives with the 4a-methyltetrahydrofluorene skeleton of taiwaniaquinoids. A mechanism involving the elimination of formic acid from the cyclic aldol intermediate is proposed here. This process can be postulated as a new biogenetic pathway from abietane diterpenes to taiwaniaquinoids. Using this novel reaction, the first enantiospecific synthesis of bioactive natural cupresol and taxodal has been obtained.
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5
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Hui C, Craggs L, Antonchick AP. Ring contraction in synthesis of functionalized carbocycles. Chem Soc Rev 2022; 51:8652-8675. [PMID: 36172989 DOI: 10.1039/d1cs01080h] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbocycles are a key and widely present structural motif in organic compounds. The construction of structurally intriguing carbocycles, such as highly-strained fused rings, spirocycles or highly-functionalized carbocycles with congested stereocenters, remains challenging in organic chemistry. Cyclopropanes, cyclobutanes and cyclopentanes within such carbocycles can be synthesized through ring contraction. These ring contractions involve re-arrangement of and/or small molecule extrusion from a parental ring, which is either a carbocycle or a heterocycle of larger size. This review provides an overview of synthetic methods for ring contractions to form cyclopropanes, cyclobutanes and cyclopentanes en route to structurally intriguing carbocycles.
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Affiliation(s)
- Chunngai Hui
- Max Planck Institute of Molecular Physiology, Department of Chemical Biology, Otto-Hahn-Strasse 11, 44227 Dortmund, Germany. .,Technical University Dortmund, Faculty of Chemistry and Chemical Biology, Otto-Hahn-Strasse 6, 44221 Dortmund, Germany
| | - Luke Craggs
- Nottingham Trent University, School of Science and Technology, Department of Chemistry and Forensics, Clifton Lane, NG11 8NS Nottingham, UK
| | - Andrey P Antonchick
- Max Planck Institute of Molecular Physiology, Department of Chemical Biology, Otto-Hahn-Strasse 11, 44227 Dortmund, Germany. .,Technical University Dortmund, Faculty of Chemistry and Chemical Biology, Otto-Hahn-Strasse 6, 44221 Dortmund, Germany.,Nottingham Trent University, School of Science and Technology, Department of Chemistry and Forensics, Clifton Lane, NG11 8NS Nottingham, UK
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6
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Dai K, Chen Q, Xie W, Lu K, Yan Z, Peng M, Li C, Tu Y, Ding T. Facile Benzylic Alkylation of Arenes with Alcohols by Catalysis with Spirocyclic NHC Ir
III
Pincer Complex. Angew Chem Int Ed Engl 2022; 61:e202206446. [DOI: 10.1002/anie.202206446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Kun‐Long Dai
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Qi‐Long Chen
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Wen‐Ping Xie
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Ka Lu
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Zhi‐Bo Yan
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Meng Peng
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Chang‐Kun Li
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Yong‐Qiang Tu
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University Shanghai 200240 P. R. China
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
| | - Tong‐Mei Ding
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University Shanghai 200240 P. R. China
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7
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Dai KL, Chen QL, Xie WP, Lu K, Yan ZB, Peng M, Li CK, Tu Y, Ding TM. Facile Benzylic Alkylation of Arenes with Alcohols by Catalysis with Spirocyclic NHC Ir(III) Pincer Complex. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206446] [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)
- Kun-Long Dai
- Shanghai Jiao Tong University School of Chemistry and Chemical Engineering CHINA
| | - Qi-Long Chen
- Lanzhou University School of Chemistry and Chemical Engineering CHINA
| | - Wen-Ping Xie
- Shanghai Jiao Tong University School of Chemistry and Chemical Engineering CHINA
| | - Ka Lu
- Lanzhou University School of Chemistry and Chemical Engineering CHINA
| | - Zhi-Bo Yan
- Lanzhou University School of Chemistry and Chemical Engineering CHINA
| | - Meng Peng
- Lanzhou University School of Chemistry and Chemical Engineering CHINA
| | - Chang-Kun Li
- Shanghai Jiao Tong University School of Chemistry and Chemical Engineering CHINA
| | - Yongqiang Tu
- Lanzhou University Chemistry 222 Tianshui Road South 730000 Lanzhou CHINA
| | - Tong-Mei Ding
- Shanghai Jiao Tong University School of Chemistry and Chemical Engineering CHINA
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8
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Zhukovsky D, Dar’in D, Bakulina O, Krasavin M. Preparation and Synthetic Applications of Five-to-Seven-Membered Cyclic α-Diazo Monocarbonyl Compounds. Molecules 2022; 27:2030. [PMID: 35335391 PMCID: PMC8954351 DOI: 10.3390/molecules27062030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 11/16/2022] Open
Abstract
The reactivity of cyclic α-diazo monocarbonyl compounds differs from that of their acyclic counterparts. In this review, we summarize the current literature available on the synthesis and synthetic applications of three major classes of cyclic α-diazo monocarbonyl compounds: α-diazo ketones, α-diazo lactones and α-diazo lactams.
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Affiliation(s)
- Daniil Zhukovsky
- Research & Development Department, BratskChemSyntez LLC, PharmaSyntez Company, 5A/1 Kommunalnaya St., 665717 Bratsk, Russia;
| | - Dmitry Dar’in
- Institute of Chemistry, Saint Petersburg State University, 199034 Saint Petersburg, Russia;
| | - Olga Bakulina
- Institute of Chemistry, Saint Petersburg State University, 199034 Saint Petersburg, Russia;
| | - Mikhail Krasavin
- Institute of Chemistry, Saint Petersburg State University, 199034 Saint Petersburg, Russia;
- Immanuel Kant Baltic Federal University, 236041 Kaliningrad, Russia
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9
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Bao X, Zeng L, Jin J, Cui S. Facile Synthesis of γ-Butenolides and Maleic Anhydrides via Annulation of α-Keto Acids and Triazenyl Alkynes. J Org Chem 2022; 87:2821-2830. [DOI: 10.1021/acs.joc.1c02727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiaodong Bao
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Linwei Zeng
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jian Jin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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10
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Chang CY, Chen CJ, Huang SH, Kao SC, Wu YK. Total Synthesis of (±)‐Taiwaniaquinol B through a Sequence of Fries Rearrangement and Photo‐Nazarov Cyclization. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100721] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chieh-Yu Chang
- National Yang Ming Chiao Tung University Department of Applied Chemistry TAIWAN
| | - Chun-Jen Chen
- National Yang Ming Chiao Tung University Department of Applied Chemistry TAIWAN
| | - Sheng-Hao Huang
- National Yang Ming Chiao Tung University Department of Applied Chemistry TAIWAN
| | - Shih-Chieh Kao
- National Yang Ming Chiao Tung University Department of Applied Chemistry TAIWAN
| | - Yen-Ku Wu
- National Yang Ming Chiao Tung University Department of Applied Chemistry 1001 University Road 30010 Hsinchu TAIWAN
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11
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Swami B, Yadav D, Menon RS. Benzannulation Reactions: A Case for Perspective Change From Arene Decoration to Arene Construction. CHEM REC 2021; 22:e202100249. [PMID: 34796605 DOI: 10.1002/tcr.202100249] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 12/16/2022]
Abstract
Benzannulation reactions involve construction of a benzene ring from acyclic precursors. This class of reactions offer a versatile and often superior alternative to aromatic substitution for construction of substituted arenes. Selected pioneering and recent reports of various benzannulation reactions are categorised and discussed in this review.
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Affiliation(s)
- Bhawna Swami
- Department of Chemistry, Central University of Haryana Jant-Pali, Mahendergarh, Haryana, 120301, India
| | - Deepak Yadav
- Department of Chemistry, Central University of Haryana Jant-Pali, Mahendergarh, Haryana, 120301, India
| | - Rajeev S Menon
- Department of Chemistry, Central University of Haryana Jant-Pali, Mahendergarh, Haryana, 120301, India
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12
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Wang YC, Cui C, Dai M. Flow Chemistry-Enabled Divergent and Enantioselective Total Syntheses of Massarinolin A, Purpurolides B, D, E, 2,3-Deoxypurpurolide C, and Structural Revision of Massarinolin A. Angew Chem Int Ed Engl 2021; 60:24828-24832. [PMID: 34405497 DOI: 10.1002/anie.202109625] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Indexed: 11/08/2022]
Abstract
Massarinolin A and purpurolides are bioactive bergamotane sesquiterpenes condensed with a variety of synthetically challenging ring systems: a bicyclo[3.1.1]heptane, an oxaspiro[3.4]octane, and a dioxaspiro[4.4]nonane (oxaspirolactone). Herein, we report the first enantioselective total syntheses of massarinolin A, purpurolides B, D, E, and 2,3-deoxypurpurolide C. Our synthesis and computational analysis also led to a structural revision of massarinolin A. The divergent approach features an enantioselective organocatalyzed Diels-Alder reaction to install the first stereogenic center in high ee, a scalable flow photochemical Wolff rearrangement to build the key bicyclo[3.1.1]heptane, a furan oxidative cyclization to form the oxaspirolactone, a late-stage allylic C-H oxidation, and a Myers' NBSH-promoted sigmatropic elimination to install the exo methylene group of massarinolin A.
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Affiliation(s)
- Ye-Cheng Wang
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, Indiana, 47907, USA
| | - Chengsen Cui
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, Indiana, 47907, USA
| | - Mingji Dai
- Department of Chemistry and Center for Cancer Research, Purdue University, West Lafayette, Indiana, 47907, USA
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13
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Wang Y, Cui C, Dai M. Flow Chemistry‐Enabled Divergent and Enantioselective Total Syntheses of Massarinolin A, Purpurolides B, D, E, 2,3‐Deoxypurpurolide C, and Structural Revision of Massarinolin A. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Ye‐Cheng Wang
- Department of Chemistry and Center for Cancer Research Purdue University West Lafayette Indiana 47907 USA
| | - Chengsen Cui
- Department of Chemistry and Center for Cancer Research Purdue University West Lafayette Indiana 47907 USA
| | - Mingji Dai
- Department of Chemistry and Center for Cancer Research Purdue University West Lafayette Indiana 47907 USA
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14
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15
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Li J, Ma Y, Zhang X, Cao X, Gong H, Li A. Expeditious and scalable preparation of a Li−Thiele reagent for amine-based bioconjugation. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.06.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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16
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Qu C, Long X, Sang Y, Zhang M, Zhao X, Xue XS, Deng J. Biomimetic Total Synthesis of (±)-Carbocyclinone-534 Reveals Its Biosynthetic Pathway. Org Lett 2020; 22:9421-9426. [PMID: 33086787 DOI: 10.1021/acs.orglett.0c02865] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Carbocyclinone-534 is a new antibiotic produced after the metabolism of tapinarof. We identify a biomimetic total synthesis of carbocyclinone-534 in eight steps by taking advantage of an intermolecular Diels-Alder homodimerization/dehydrogenation/intramolecular Diels-Alder cycloaddition cascade. This synthetic sequence provides direct experimental evidence for revealing the biosynthetic pathway of carbocyclinone-534.
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Affiliation(s)
- Chunlei Qu
- State Key Laboratory of Phytochemistry and Plant Resources in West China and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xianwen Long
- State Key Laboratory of Phytochemistry and Plant Resources in West China and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yueqian Sang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoli Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 100049, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiao-Song Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jun Deng
- State Key Laboratory of Phytochemistry and Plant Resources in West China and Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming 100049, China
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17
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Qiao T, Wang Y, Zheng S, Kang H, Liang G. Total Syntheses of Norrisolide‐Type
Spongian
Diterpenes Cheloviolene C, Seconorrisolide B, and Seconorrisolide C. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tianjiao Qiao
- State Key Laboratory of Elemento-organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Yicheng Wang
- State Key Laboratory of Elemento-organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Sujuan Zheng
- State Key Laboratory of Elemento-organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Huiying Kang
- State Key Laboratory of Elemento-organic Chemistry College of Chemistry Nankai University Tianjin 300071 China
| | - Guangxin Liang
- School of Physical Science and Technology ShanghaiTech University Shanghai 201210 China
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18
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Qiao T, Wang Y, Zheng S, Kang H, Liang G. Total Syntheses of Norrisolide-Type Spongian Diterpenes Cheloviolene C, Seconorrisolide B, and Seconorrisolide C. Angew Chem Int Ed Engl 2020; 59:14111-14114. [PMID: 32374067 DOI: 10.1002/anie.202005600] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Indexed: 11/12/2022]
Abstract
The first total syntheses of three unusual norrisolide-type rearranged spongian diterpenes, cheloviolene C, seconorrisolide B, and seconorrisolide C, have been accomplished via a common intermediate through late-stage ring-scissoring. The synthesis features a Wolff ring contraction for the synthesis of the trans-hydrindane system, and a crucial retro Diels-Alder reaction/intramolecular ene cyclization for the rapid stereoselective construction of the furo[2,3-b]furan system, which is commonly seen in rearranged spongian diterpenes.
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Affiliation(s)
- Tianjiao Qiao
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yicheng Wang
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Sujuan Zheng
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Huiying Kang
- State Key Laboratory of Elemento-organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Guangxin Liang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
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19
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Kühlborn J, Groß J, Opatz T. Making natural products from renewable feedstocks: back to the roots? Nat Prod Rep 2020; 37:380-424. [DOI: 10.1039/c9np00040b] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review highlights the utilization of biomass-derived building blocks in the total synthesis of natural products.
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Affiliation(s)
- Jonas Kühlborn
- Institute of Organic Chemistry
- Johannes Gutenberg University
- 55128 Mainz
- Germany
| | - Jonathan Groß
- Institute of Organic Chemistry
- Johannes Gutenberg University
- 55128 Mainz
- Germany
| | - Till Opatz
- Institute of Organic Chemistry
- Johannes Gutenberg University
- 55128 Mainz
- Germany
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20
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Liu B, Fu S, Zhou C. Naturally occurring [4 + 2] type terpenoid dimers: sources, bioactivities and total syntheses. Nat Prod Rep 2020; 37:1627-1660. [DOI: 10.1039/c9np00037b] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
This review article highlights recent progress on their sources, bioactivities, biosynthetic hypotheses and total chemical syntheses of naturally occurring [4 + 2] type terpenoid dimers.
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Affiliation(s)
- Bo Liu
- Key Laboratory of Green Chemistry & Technology of the Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
- China
| | - Shaomin Fu
- Key Laboratory of Green Chemistry & Technology of the Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
- China
| | - Chengying Zhou
- Key Laboratory of Green Chemistry & Technology of the Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu
- China
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21
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Wang WL, Zhu DR, Chen C, Zhu TY, Han C, Liu FY, Li LN, Luo JG, Kong LY. Taicrypnacids A and B, a Pair of C 37 Heterodimeric Diterpenoid Stereoisomers from Taiwania cryptomerioides. JOURNAL OF NATURAL PRODUCTS 2019; 82:2087-2093. [PMID: 31347365 DOI: 10.1021/acs.jnatprod.8b00815] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Two uncommon C37 heterodimeric diterpenoids, taicrypnacids A (1) and B (2), and a known labdane-type diterpenoid (3) were isolated from the leaves of Taiwania cryptomerioides. Several techniques, such as comprehensive spectroscopic analysis, chemical conversion, X-ray crystallography, and ECD data, were employed to define the structures. The two new compounds displayed cytotoxicity against human breast cancer (MCF-7), osteosarcoma (U-2 OS), and human colon carcinoma (HCT-116) cell lines, while the methyl ester 1a showed no activity. Compound 1 induced Ca2+-ROS pathway-mediated endoplasmic reticulum stress, and excessive stress led to cell death by activating apoptosis and autophagy.
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Affiliation(s)
- Wen-Li Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Dong-Rong Zhu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Chen Chen
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Tian-Yu Zhu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Chao Han
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Fei-Yan Liu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Ling-Nan Li
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Jian-Guang Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
| | - Ling-Yi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy , China Pharmaceutical University , 24 Tong Jia Xiang , Nanjing 210009 , People's Republic of China
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22
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Zhang DW, Xu WD, Fan HL, Liu HM, Chen D, Liu DD, Qin HB. Total Synthesis of (±)-Cochlearol A. Org Lett 2019; 21:6761-6764. [PMID: 31433660 DOI: 10.1021/acs.orglett.9b02391] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Da-Wei Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wen-Dan Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hui-Lan Fan
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hao-Miao Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Dong Chen
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Dan-Dan Liu
- School of Pharmaceutical Sciences and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming 650500, P. R. China
| | - Hong-Bo Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming 650201, P. R. China
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23
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Wu J, Kadonaga Y, Hong B, Wang J, Lei X. Enantioselective Total Synthesis of (+)‐Jungermatrobrunin A. Angew Chem Int Ed Engl 2019; 58:10879-10883. [DOI: 10.1002/anie.201903682] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Indexed: 02/02/2023]
Affiliation(s)
- Jinbao Wu
- School of Pharmaceutical Science and TechnologyTianjin University Tianjin 300072 China
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Yuichiro Kadonaga
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Benke Hong
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Jin Wang
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Xiaoguang Lei
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
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24
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Wu J, Kadonaga Y, Hong B, Wang J, Lei X. Enantioselective Total Synthesis of (+)‐Jungermatrobrunin A. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903682] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jinbao Wu
- School of Pharmaceutical Science and TechnologyTianjin University Tianjin 300072 China
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Yuichiro Kadonaga
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Benke Hong
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Jin Wang
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Xiaoguang Lei
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationDepartment of Chemical BiologyCollege of Chemistry and Molecular EngineeringSynthetic and Functional Biomolecules Center and Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
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25
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Zhang XM, Tu YQ, Zhang FM, Chen ZH, Wang SH. Recent applications of the 1,2-carbon atom migration strategy in complex natural product total synthesis. Chem Soc Rev 2018; 46:2272-2305. [PMID: 28349159 DOI: 10.1039/c6cs00935b] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
1,2-Carbon atom rearrangement has been broadly applied as a guiding strategy in complex molecule assembly. As it entails the carbon-carbon or carbon-heteroatom bond migration between two vicinal atoms, this type of reaction is capable of generating structural complexity through a molecular skeletal reorganization. This review will focus on recent employment of this strategy in the total synthesis of natural products, highlighting the exceptional utility of such synthetic methodologies in the construction of intricate carbocycles, heterocycles or structurally complex motifs from synthetically more accessible precursors.
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Affiliation(s)
- Xiao-Ming Zhang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China.
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26
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Zhou S, Guo R, Yang P, Li A. Total Synthesis of Septedine and 7-Deoxyseptedine. J Am Chem Soc 2018; 140:9025-9029. [DOI: 10.1021/jacs.8b03712] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Shupeng Zhou
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Rui Guo
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Peng Yang
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Ang Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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27
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Ni J, Xue Y, Sun L, Zhang A. Cu-Mediated Sulfonyl Radical-Enabled 5-exo-trig Cyclization of Alkenyl Aldehydes: Access to Sulfonylmethyl 1H-Indenes. J Org Chem 2018; 83:4598-4605. [DOI: 10.1021/acs.joc.8b00341] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jiabin Ni
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yu Xue
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Liping Sun
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Ao Zhang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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28
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Affiliation(s)
- Lei Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Zhuang Chen
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Xiwu Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Yanxing Jia
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
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29
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Xiao J, Cong XW, Yang GZ, Wang YW, Peng Y. Divergent Asymmetric Syntheses of Podophyllotoxin and Related Family Members via Stereoselective Reductive Ni-Catalysis. Org Lett 2018; 20:1651-1654. [DOI: 10.1021/acs.orglett.8b00408] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jian Xiao
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Xiao-Wei Cong
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Gui-Zhen Yang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Ya-Wen Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Yu Peng
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, Gansu 730000, China
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
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30
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Abstract
An overview of the highlights in total synthesis of natural products using iridium as a catalyst is given.
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Affiliation(s)
- Changchun Yuan
- School of Chemical Engineering and Technology
- North University of China
- Taiyuan 030051
- PR China
| | - Bo Liu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- PR China
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31
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Guardia JJ, Tapia R, Mahdjour S, Rodriguez-Serrano F, Mut-Salud N, Chahboun R, Alvarez-Manzaneda E. Antiproliferative Activity of Natural Taiwaniaquinoids and Related Compounds. JOURNAL OF NATURAL PRODUCTS 2017; 80:308-318. [PMID: 28121430 DOI: 10.1021/acs.jnatprod.6b00700] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The in vitro antiproliferative activities of some taiwaniaquinoids and related compounds with functionalized A, B, or C rings against human breast (MCF-7), colon (T-84), and lung (A-549) tumor cell lines were assayed. The most potent compounds, 16, 27, and 36, were more effective than the naturally occurring taiwaniaquinones A (4) and F (5) in all three cell lines. The structure-activity relationship study of these new taiwaniaquinoids highlighted the correlation between the bromo substituent and the antiproliferative activity, especially in MCF-7 cells. These findings indicate that some of the taiwaniaquinoids might be useful as cytostatic agents against breast, colon, and lung cancer cell lines.
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Affiliation(s)
| | | | - Soumicha Mahdjour
- Laboratory Productions, Plant and Microbial Valuations (LP2VM), Department of Biotechnology, University of Sciences and Technology of Oran Mohamed Boudiaf , BP 1525, El M'Naouer, Oran, Algeria
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32
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Graham M, Baker RW, McErlean CSP. Cationic Polyene Cyclization for Taiwaniaquinoid Construction. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601349] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Marlowe Graham
- School of Chemistry; The University of Sydney; 2006 New South Wales Australia
| | - Robert W. Baker
- School of Chemistry; The University of Sydney; 2006 New South Wales Australia
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33
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Ren T, Zhang L, Wang J, Song C, Wang R, Chang J. Study on the interaction of taiwaniaquinoids with FTO by spectroscopy and molecular modeling. J Biomol Struct Dyn 2016; 35:3182-3193. [DOI: 10.1080/07391102.2016.1249957] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Lijiao Zhang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Jinqian Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Chuanjun Song
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Ruiyong Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, China
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34
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Affiliation(s)
- Pierrick Ondet
- Institut de Chimie de Nice; UMR 7272; Université Nice Sophia Antipolis; Parc Valrose 06108 Nice Cedex 2 France
| | - Gilles Lemière
- Institut de Chimie de Nice; UMR 7272; Université Nice Sophia Antipolis; Parc Valrose 06108 Nice Cedex 2 France
| | - Elisabet Duñach
- Institut de Chimie de Nice; UMR 7272; Université Nice Sophia Antipolis; Parc Valrose 06108 Nice Cedex 2 France
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35
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Kwon SH, Seo HA, Cheon CH. Total Synthesis of Luotonin A and Rutaecarpine from an Aldimine via the Designed Cyclization. Org Lett 2016; 18:5280-5283. [DOI: 10.1021/acs.orglett.6b02597] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Se Hyun Kwon
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Hong-Ahn Seo
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Cheol-Hong Cheon
- Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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36
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Chang CI, Chen CC, Wang SY, Chao CY, Chao LK, Chen JJ, Ko HH, Chen CC, Kuo YH. Three New Abietane-type Diterpenes from the Bark ofCryptomeria japonica. Helv Chim Acta 2016. [DOI: 10.1002/hlca.201600137] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chi-I Chang
- Department of Biological Science and Technology; National Pingtung University of Science and Technology; Pingtung 912 Taiwan
| | - Chien-Chih Chen
- Department of Nursing; Hungkuang University; Taichung 443 Taiwan
- Department of Biotechnology; Hungkuang University; Taichung 443 Taiwan
| | - Sheng-Yang Wang
- Department of Forestry; National Chung-Hsing University; Taichung 402 Taiwan
| | - Che-Yi Chao
- Department of Health and Nutrition Biotechnology; Asia University; Taichung 413 Taiwan
- Department of Medical Research; China Medical University Hospital; China Medical University; Taichung 404 Taiwan
| | - Louis Kuoping Chao
- Department of Cosmeceutics; China Medical University; Taichung 404 Taiwan
| | - Jih-Jung Chen
- Graduate Institute of Pharmaceutical Technology; Tajen University; Pingtung 907 Taiwan
| | - Horng-Huey Ko
- Department of Fragrance and Cosmetic Science; College of Pharmacy; Kaohsiung Medical University; Kaohsiung 807 Taiwan
| | - Cheng-Chi Chen
- Department of Chemistry; National Taiwan University; Taipei 106 Taiwan
| | - Yueh-Hsiung Kuo
- Department of Pharmaceutical Sciences and Chinese Medicine Resources; China Medical University; Taichung 404 Taiwan
- Department of Biotechnology; Asia University; Taichung 413 Taiwan
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37
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38
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Kakde BN, Parida A, Kumar N, Mourya A, Bisai A. FeCl3-Catalyzed Highly Efficient Nazarov Type Cyclization of Arylvinylcarbinols: Total Synthesis of (±)-Dichroanal B and Related Taiwaniaquinoids†. ChemistrySelect 2016. [DOI: 10.1002/slct.201600890] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Badrinath N. Kakde
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road, Bhouri, Bhopal - 462066 Madhya Pradesh India
| | - Amarchand Parida
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road, Bhouri, Bhopal - 462066 Madhya Pradesh India
| | - Nivesh Kumar
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road, Bhouri, Bhopal - 462066 Madhya Pradesh India
| | - Abhishek Mourya
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road, Bhouri, Bhopal - 462066 Madhya Pradesh India
- Department of Chemistry; Indian Institute of Technology Roorkee; Roorkee - 247667, Uttrakhand India
| | - Alakesh Bisai
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road, Bhouri, Bhopal - 462066 Madhya Pradesh India
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39
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Kakde BN, Parida A, Kumari P, Bisai A. Total syntheses of (±)-taiwaniaquinol D and (±)-taiwaniaquinone D via a key Lewis acid-catalyzed Nazarov type cyclization. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.06.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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40
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Xu WD, Li LQ, Li MM, Geng HC, Qin HB. Catalytic Asymmetric Formal Total Synthesis of (-)-Triptophenolide and (+)-Triptolide. NATURAL PRODUCTS AND BIOPROSPECTING 2016; 6:183-186. [PMID: 27095015 PMCID: PMC5385656 DOI: 10.1007/s13659-016-0100-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 04/11/2016] [Indexed: 06/05/2023]
Abstract
Catalytic asymmetric formal synthesis of (-)-Triptophenolide and (+)-Triptolide have been achieved. Key reaction involves Palladium catalyzed asymmetric conjugate addition of aryl boronic acid to 3-methyl cyclohexe-1-none to form quaternary carbon. Claisen rearrangement and subsequent aldol reaction furnished trans-decaline key intermediate, which assured a formal total synthesis of (-)-Triptophenolide and (+)-Triptolide.
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Affiliation(s)
- Wen-Dan Xu
- State Key Laboratory of Photochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Liang-Qun Li
- State Key Laboratory of Photochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Ming-Ming Li
- Yunnan Baiyao Group Corporation Limited, Kunming, 650032, People's Republic of China
| | - Hui-Chun Geng
- State Key Laboratory of Photochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Hong-Bo Qin
- State Key Laboratory of Photochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, People's Republic of China.
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41
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Yang P, Yao M, Li J, Li Y, Li A. Total Synthesis of Rubriflordilactone B. Angew Chem Int Ed Engl 2016; 55:6964-8. [DOI: 10.1002/anie.201601915] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Peng Yang
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Ming Yao
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Jian Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Yong Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Ang Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
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42
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Affiliation(s)
- Peng Yang
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Ming Yao
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Jian Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Yong Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Ang Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
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43
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Shi Y, Gao S. Recent advances of synthesis of fluorenone and fluorene containing natural products. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.02.022] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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44
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Jiang SZ, Zeng XY, Liang X, Lei T, Wei K, Yang YR. Iridium-Catalyzed Enantioselective Indole Cyclization: Application to the Total Synthesis and Absolute Stereochemical Assignment of (−)-Aspidophylline A. Angew Chem Int Ed Engl 2016; 55:4044-8. [PMID: 26891145 DOI: 10.1002/anie.201511549] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 01/30/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Shi-Zhi Jiang
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
| | - Xue-Yi Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
- University of Chinese Academy of Sciences; Beijing 100039 China
| | - Xiao Liang
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
- University of Chinese Academy of Sciences; Beijing 100039 China
| | - Ting Lei
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
| | - Kun Wei
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
| | - Yu-Rong Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
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45
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Jiang SZ, Zeng XY, Liang X, Lei T, Wei K, Yang YR. Iridium-Catalyzed Enantioselective Indole Cyclization: Application to the Total Synthesis and Absolute Stereochemical Assignment of (−)-Aspidophylline A. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511549] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shi-Zhi Jiang
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
| | - Xue-Yi Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
- University of Chinese Academy of Sciences; Beijing 100039 China
| | - Xiao Liang
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
- University of Chinese Academy of Sciences; Beijing 100039 China
| | - Ting Lei
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
| | - Kun Wei
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
| | - Yu-Rong Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China; Kunming Institute of Botany; Chinese Academy of Sciences, Lanhei 132#; Kunming 650201 China
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46
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Joshi PR, Nanubolu JB, Menon RS. Oxygenative and Dehydrogenative [3 + 3] Benzannulation Reactions of α,β-Unsaturated Aldehydes and γ-Phosphonyl Crotonates Mediated by Air: Regioselective Synthesis of 4-Hydroxybiaryl-2-carboxylates. Org Lett 2016; 18:752-5. [DOI: 10.1021/acs.orglett.6b00016] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Prabhakar Ramchandra Joshi
- Medicinal
Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Jagadeesh Babu Nanubolu
- Centre
for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Rajeev S. Menon
- Medicinal
Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
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47
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Yang X, Wu D, Lu Z, Sun H, Li A. A mild preparation of alkynes from alkenyl triflates. Org Biomol Chem 2016; 14:5591-4. [DOI: 10.1039/c6ob00345a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report herein a protocol for preparing alkynes from alkenyl triflates at ambient temperature with LiCl as a promoter.
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Affiliation(s)
- Xiaowen Yang
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease and State Key Laboratory of Natural Medicines
- China Pharmaceutical University
- Nanjing 210009
- China
- State Key Laboratory of Bioorganic and Natural Products Chemistry
| | - Dimin Wu
- State Key Laboratory of Bioorganic and Natural Products Chemistry
- Collaborative Innovation Center of Chemistry for Life Sciences
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
| | - Zhaohong Lu
- State Key Laboratory of Bioorganic and Natural Products Chemistry
- Collaborative Innovation Center of Chemistry for Life Sciences
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
| | - Hongbin Sun
- Jiangsu Key Laboratory of Drug Discovery for Metabolic Disease and State Key Laboratory of Natural Medicines
- China Pharmaceutical University
- Nanjing 210009
- China
| | - Ang Li
- State Key Laboratory of Bioorganic and Natural Products Chemistry
- Collaborative Innovation Center of Chemistry for Life Sciences
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
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48
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Meng Y, Liu Y, Lv Z, Wang J, Wang Y, Song C, Chang J. Concise Synthesis of Taiwaniaquinol B and 5-epi-Taiwaniaquinone G. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501001204] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The natural product taiwaniaquinol B and the unnatural 5- epi-taiwaniaquinone G were synthesized based on a highly efficient tandem acylation–Nazarov cyclization approach to build the tricyclic skeleton.
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Affiliation(s)
- Yonggang Meng
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
| | - Yizhen Liu
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
| | - Zhigang Lv
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
| | - Jinqian Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
| | - Yanyan Wang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
| | - Chuanjun Song
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering, Zhengzhou University, 100 Science Avenue, Zhengzhou 450001, P. R. China
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49
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50
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Kakde BN, Kumari P, Bisai A. Total Synthesis of (±)-Taiwaniaquinol F and Related Taiwaniaquinoids. J Org Chem 2015; 80:9889-99. [DOI: 10.1021/acs.joc.5b01345] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Badrinath N. Kakde
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass
Road, Bhopal, Madhya Pradesh 462 066, India
| | - Pooja Kumari
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass
Road, Bhopal, Madhya Pradesh 462 066, India
| | - Alakesh Bisai
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass
Road, Bhopal, Madhya Pradesh 462 066, India
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