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Huck CJ, Boyko YD, Sarlah D. Dearomative logic in natural product total synthesis. Nat Prod Rep 2022; 39:2231-2291. [PMID: 36173020 PMCID: PMC9772301 DOI: 10.1039/d2np00042c] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Covering: 2011 to 2022The natural world is a prolific source of some of the most interesting, rare, and complex molecules known, harnessing sophisticated biosynthetic machinery evolved over billions of years for their production. Many of these natural products represent high-value targets of total synthesis, either for their desirable biological activities or for their beautiful structures outright; yet, the high sp3-character often present in nature's molecules imparts significant topological complexity that pushes the limits of contemporary synthetic technology. Dearomatization is a foundational strategy for generating such intricacy from simple materials that has undergone considerable maturation in recent years. This review highlights the recent achievements in the field of dearomative methodology, with a focus on natural product total synthesis and retrosynthetic analysis. Disconnection guidelines and a three-phase dearomative logic are described, and a spotlight is given to nature's use of dearomatization in the biosynthesis of various classes of natural products. Synthetic studies from 2011 to 2021 are reviewed, and 425 references are cited.
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Affiliation(s)
| | - Yaroslav D. Boyko
- Department of Chemistry, University of Illinois, Urbana, IL 61801, USA
| | - David Sarlah
- Department of Chemistry, University of Illinois, Urbana, IL 61801, USA,Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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Chacón-Morales PA. Unprecedented diterpene skeletons isolated from vascular plants in the last twenty years (2001-2021). PHYTOCHEMISTRY 2022; 204:113425. [PMID: 36096268 DOI: 10.1016/j.phytochem.2022.113425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Every year there are hundreds of reports about the isolation of undescribed terpenoids based on novel functionalizations of known carbocyclic skeletons series. However, on some occasions the compounds obtained have a carbocyclic skeleton that does not correspond with the series established, in these peculiar opportunities, in addition to finding an undescribed natural product, is obtained an unprecedented carbocyclic skeleton, whose biogenesis must necessarily involve other additional steps that explain its formation. This review accounts for the reports of seventy-nine unprecedented diterpene skeletons (corresponding to one-hundred-three undescribed diterpenoids) isolated from vascular plants in the last two decades. According to the genus, Euphorbia and Salvia are the most prolific in reports of unprecedented diterpene skeletons with a total of twenty, and nine skeletons, respectively. If the findings are expressed in terms of the family, Euphorbiaceae and Lamiaceae have the highest number of reports of undescribed diterpene skeletons, with twenty-seven and twenty-two, respectively. Finally, fifty-three skeletons are derived from higher diterpenoids (2-12, 68, 69, 86, 104-109, 158-161, 186, 189, 222, 250-255, 285-298, 403-404, 415, 416, and 436), twenty are derived from lower diterpenoids (135, 136, 192-194, 225-229, 363-370, 397, and 425), and six (96, 97, 147, 148, 205, and 206) are derived from skeletons whose biogenesis has not yet been established, or at least, cannot be formally included within the groups mentioned above. This article comprehensively highlights the hypothetical biosynthetic pathway for each of the one-hundred-three undescribed compounds with unprecedented diterpene skeletons and summarizes their most significant biological activities.
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Affiliation(s)
- Pablo A Chacón-Morales
- Natural Products Laboratory, Department of Chemistry, Faculty of Science, University of Los Andes, Mérida, 5101, Venezuela.
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Lu XL, Qiu Y, Yang B, He H, Gao S. Asymmetric total synthesis of (+)-xestoquinone and (+)-adociaquinones A and B. Chem Sci 2021; 12:4747-4752. [PMID: 34168753 PMCID: PMC8179641 DOI: 10.1039/d0sc07089k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 02/19/2021] [Indexed: 11/21/2022] Open
Abstract
The asymmetric total synthesis of (+)-xestoquinone and (+)-adociaquinones A and B was achieved in 6-7 steps using an easily accessible meso-cyclohexadienone derivative. The [6,6]-bicyclic decalin B-C ring and the all-carbon quaternary stereocenter at C-6 were prepared via a desymmetric intramolecular Michael reaction with up to 97% ee. The naphthalene diol D-E ring was constructed through a sequence of Ti(Oi-Pr)4-promoted photoenolization/Diels-Alder, dehydration, and aromatization reactions. This asymmetric strategy provides a scalable route to prepare target molecules and their derivatives for further biological studies.
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Affiliation(s)
- Xiao-Long Lu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Yuanyou Qiu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Baochao Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Haibing He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University 3663N 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 3663N Zhongshan Road Shanghai 200062 China
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
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Suzuki T, Koyama T, Nakanishi K, Kobayashi S, Tanino K. Formal Total Synthesis of Atropurpuran. J Org Chem 2020; 85:10125-10135. [DOI: 10.1021/acs.joc.0c01462] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Takahiro Suzuki
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810 Hokkaido, Japan
| | - Takeshi Koyama
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo, 060-0810 Hokkaido, Japan
| | - Kenta Nakanishi
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo, 060-0810 Hokkaido, Japan
| | - Susumu Kobayashi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Keiji Tanino
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810 Hokkaido, Japan
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McCowen SV, Doering NA, Sarpong R. Retrosynthetic strategies and their impact on synthesis of arcutane natural products. Chem Sci 2020; 11:7538-7552. [PMID: 33552460 PMCID: PMC7860588 DOI: 10.1039/d0sc01441a] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 04/20/2020] [Indexed: 01/18/2023] Open
Abstract
Decisions, decisions, decisions: the interplay between different retrosynthetic strategies in the synthesis of the highly bridged, polycyclic arcutane natural products.
Retrosynthetic analysis is a cornerstone of modern natural product synthesis, providing an array of tools for disconnecting structures. However, discussion of retrosynthesis is often limited to the reactions used to form selected bonds in the forward synthesis. This review details three strategies for retrosynthesis, focusing on how they can be combined to plan the synthesis of polycyclic natural products, such as atropurpuran and the related arcutane alkaloids. Recent syntheses of natural products containing the arcutane framework showcase how these strategies for retrosynthesis can be combined to plan the total synthesis of highly caged scaffolds. Comparison of multiple syntheses of the same target provides a unique opportunity for detailed analysis of the impact of retrosynthetic disconnections on synthesis outcomes.
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Affiliation(s)
- Shelby V McCowen
- Department of Chemistry , University of California , Berkeley , California 94720 , USA .
| | - Nicolle A Doering
- Department of Chemistry , University of California , Berkeley , California 94720 , USA .
| | - Richmond Sarpong
- Department of Chemistry , University of California , Berkeley , California 94720 , USA .
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Zhou S, Xia K, Leng X, Li A. Asymmetric Total Synthesis of Arcutinidine, Arcutinine, and Arcutine. J Am Chem Soc 2019; 141:13718-13723. [PMID: 31276619 DOI: 10.1021/jacs.9b05818] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We have accomplished the asymmetric total synthesis of arcutinidine, arcutinine, and arcutine, three arcutine-type C20-diterpenoid alkaloids. A pentacyclic intermediate was rapidly assembled by using two Diels-Alder reactions. We developed a cascade sequence of Prins cyclization and Wagner-Meerwein rearrangement to construct the core of arcutinidine, which was then elaborated into an oxygenated pentacycle through a scalable route. Chemoselective reductive amination followed by spontaneous imine formation furnished the pyrroline motif in the final stage. We clarified the S configuration of the α-carbon of the acyl group within arcutine through chemical synthesis and crystallographic analysis.
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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
| | - Kaifu Xia
- 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
| | - Xuebing Leng
- State Key Laboratory of Organometallic Chemistry, 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, 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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Xie S, Chen G, Yan H, Hou J, He Y, Zhao T, Xu J. 13-Step Total Synthesis of Atropurpuran. J Am Chem Soc 2019; 141:3435-3439. [DOI: 10.1021/jacs.9b00391] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shengling Xie
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Gui Chen
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Hao Yan
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Jieping Hou
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yongping He
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Tongyun Zhao
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Jing Xu
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
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Reyes-Rodríguez GJ, Rezayee NM, Vidal-Albalat A, Jørgensen KA. Prevalence of Diarylprolinol Silyl Ethers as Catalysts in Total Synthesis and Patents. Chem Rev 2019; 119:4221-4260. [DOI: 10.1021/acs.chemrev.8b00583] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Nomaan M. Rezayee
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
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Liu XY, Qin Y. Enabling syntheses of diterpenoid alkaloids and related diterpenes by an oxidative dearomatization/Diels–Alder cycloaddition strategy. Nat Prod Rep 2017; 34:1044-1050. [PMID: 28799605 DOI: 10.1039/c7np00033b] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Recent accomplishments in the total syntheses of diterpenoid alkaloids and their biosynthetically associated diterpenes have highly relied on an oxidative dearomatization/Diels–Alder cycloaddition strategy, and are highlighted in this article.
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Affiliation(s)
- Xiao-Yu Liu
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
| | - Yong Qin
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education
- West China School of Pharmacy
- Sichuan University
- Chengdu 610041
- China
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Gong J, Chen H, Liu XY, Wang ZX, Nie W, Qin Y. Total synthesis of atropurpuran. Nat Commun 2016; 7:12183. [PMID: 27387707 PMCID: PMC4941107 DOI: 10.1038/ncomms12183] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 06/09/2016] [Indexed: 02/07/2023] Open
Abstract
Due to their architectural intricacy and biological significance, the synthesis of polycyclic diterpenes and their biogenetically related alkaloids have been the subject of considerable interest over the last few decades, with progress including the impressive synthesis of several elusive targets. Despite tremendous efforts, conquering the unique structural types of this large natural product family remains a long-term challenge. The arcutane diterpenes and related alkaloids, bearing a congested tetracyclo[5.3.3.0(4,9).0(4,12)]tridecane unit, are included in these unsolved enigmas. Here we report a concise approach to the construction of the core structure of these molecules and the first total synthesis of (±)-atropurpuran. Pivotal features of the synthesis include an oxidative dearomatization/intramolecular Diels-Alder cycloaddition cascade, sequential aldol and ketyl-olefin cyclizations to assemble the highly caged framework, and a chemoselective and stereoselective reduction to install the requisite allylic hydroxyl group in the target molecule.
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Affiliation(s)
- Jing Gong
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education, Department of Chemistry of Medicinal Natural Products, West China School of Pharmacy, and State Key Laboratory of Biotherapy, Sichuan University, No. 17, Section 3, Renmin Nan Road, Chengdu 610041, China
| | - Huan Chen
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education, Department of Chemistry of Medicinal Natural Products, West China School of Pharmacy, and State Key Laboratory of Biotherapy, Sichuan University, No. 17, Section 3, Renmin Nan Road, Chengdu 610041, China
| | - Xiao-Yu Liu
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education, Department of Chemistry of Medicinal Natural Products, West China School of Pharmacy, and State Key Laboratory of Biotherapy, Sichuan University, No. 17, Section 3, Renmin Nan Road, Chengdu 610041, China
| | - Zhi-Xiu Wang
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education, Department of Chemistry of Medicinal Natural Products, West China School of Pharmacy, and State Key Laboratory of Biotherapy, Sichuan University, No. 17, Section 3, Renmin Nan Road, Chengdu 610041, China
| | - Wei Nie
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education, Department of Chemistry of Medicinal Natural Products, West China School of Pharmacy, and State Key Laboratory of Biotherapy, Sichuan University, No. 17, Section 3, Renmin Nan Road, Chengdu 610041, China
| | - Yong Qin
- Key Laboratory of Drug Targeting and Drug Delivery Systems of the Ministry of Education, Department of Chemistry of Medicinal Natural Products, West China School of Pharmacy, and State Key Laboratory of Biotherapy, Sichuan University, No. 17, Section 3, Renmin Nan Road, Chengdu 610041, China
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11
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Jarhad DB, Singh V. π4s + π2s Cycloaddition of Spiroepoxycyclohexa-2,4-dienone, Radical Cyclization, and Oxidation–Aldol–Oxidation Cascade: Synthesis of BCDE Ring of Atropurpuran. J Org Chem 2016; 81:4304-9. [DOI: 10.1021/acs.joc.6b00728] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dnyandev B. Jarhad
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Vishwakarma Singh
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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