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Soares Ribeiro Nogueira T, Gonçalves Curcino Vieira M, Rodrigues da Silva Robaina R, Braz-Filho R, da Costa Gontijo D, Braga de Oliveira A, Curcino Vieira IJ. An update review on monoterpene indole alkaloids and biological activities of Tabernaemontana species occurring in Brazil. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:117921. [PMID: 38369065 DOI: 10.1016/j.jep.2024.117921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/06/2024] [Accepted: 02/15/2024] [Indexed: 02/20/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The Tabernaemontana genus belongs to the Apocynaceae family of which 30 species are found in Brazil. Some Tabernaemontana species are used by Brazilian indigenous people and other communities, or are listed in the Yanomami Pharmacopeia. Ethnopharmacological data include use(s) for muscle problems, depressed sternum, back pain, abscess, indigestion, eye irritation, earache, itching, vaginal discharge, as an aid for older people who are slow and forgetful, mosquito and snake bites, infection by the human botfly larvae, calmative, and fever. Obviously, many of these uses are attributed to the alkaloids found in Tabernaemontana species. AIM OF THE REVIEW The aim is to gather information on Tabernaemontana species occurring in Brazil, as sources of monoterpene indole alkaloids (MIAs). In addition, we aim to collect reported experimental demonstrations of their biological activity, which may provide the foundation for further studies, including phytochemistry, the development of medicinal agents, and validation of phytopreparations. MATERIAL AND METHODS The Brazilian Flora 2020 database was used as source for Tabernamontana species occurring in Brazil. The literature review on these species was collected from Web of Science, Scopus, PubMed, and Scifinder. The keywords included names and synonyms of Tabernaemontana species found in Brazil, which were validated by the Word Flora Online Plant List. RESULTS A literature survey covering the time frame from 1960 until June 2023 resulted in 121 MIAs, including 48 not yet reported in the last review published in 2016. Some alkaloid extracts, fractions, and isolated alkaloids present evidenced biological activity, such as anticancer, anti-inflammatory, antinociceptive, antimicrobial, antiparasitic, antiviral, and against snake venoms, among others. Notably, ethnopharmacological based information has been the basis of some reports on Tabernaemontana species. CONCLUSIONS Our literature survey shows that Tabernaemontana species present bioactive MIAs, such as voacamine and affinisine, demonstrating significant cytotoxicity activity against several tumoral cell lines. Those compounds can be considered promising candidates in the search for new anticancer drugs. However, the Amazonian plant biome is increasingly damaged, which may lead to the extinction of biological diversity. This threat may also affect Tabernaemontana species, which have scarcely been investigated regarding the potential of their phytochemicals for the development of new drugs.
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Affiliation(s)
- Thalya Soares Ribeiro Nogueira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Milena Gonçalves Curcino Vieira
- Instituto Federal de Educação, Ciência e Tecnologia Fluminense, campus Campos-Centro, Rua Dr. Siqueira, 273, Parque Tamandaré, Campos dos Goytacazes, Rio de Janeiro, 28030-130, Brazil
| | - Renata Rodrigues da Silva Robaina
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Raimundo Braz-Filho
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil; Universidade Federal Rural do Rio de Janeiro, Departamento de Química Orgânica, Instituto de Química, Seropédica, Rio de Janeiro, 20000-000, Brazil
| | - Douglas da Costa Gontijo
- Universidade de Brasília, Instituto de Química, Asa Norte, 70910-900, Brasília, Distrito Federal, Brazil
| | - Alaíde Braga de Oliveira
- Faculdade de Fármácia, Departamento de Produtos Farmacêuticos, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil.
| | - Ivo José Curcino Vieira
- Universidade Estadual do Norte Fluminense Darcy Ribeiro, Laboratório de Ciências Químicas, Centro de Ciências e Tecnologia, Avenida Alberto Lamego, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
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Hennessy MR, Gutridge AM, French AR, Rhoda ES, Meqbil YJ, Gill M, Kashyap Y, Appourchaux K, Paul B, Wang ZJ, van Rijn RM, Riley AP. Modified Akuamma Alkaloids with Increased Potency at the Mu-opioid Receptor. J Med Chem 2023; 66:3312-3326. [PMID: 36827198 PMCID: PMC10037270 DOI: 10.1021/acs.jmedchem.2c01707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Akuammine (1) and pseudoakuammigine (2) are indole alkaloids found in the seeds of the akuamma tree (Picralima nitida). Both alkaloids are weak agonists of the mu opioid receptor (μOR); however, they produce minimal effects in animal models of antinociception. To probe the interactions of 1 and 2 at the opioid receptors, we have prepared a collection of 22 semisynthetic derivatives. Evaluation of this collection at the μOR and kappa opioid receptor (κOR) revealed structural-activity relationship trends and derivatives with improved potency at the μOR. Most notably, the introduction of a phenethyl moiety to the N1 of 2 produces a 70-fold increase in potency and a 7-fold increase in selectivity for the μOR. The in vitro potency of this compound resulted in increased efficacy in the tail-flick and hot-plate assays of antinociception. The improved potency of these derivatives highlights the promise of exploring natural product scaffolds to probe the opioid receptors.
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Affiliation(s)
- Madeline R Hennessy
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL 60612 USA
| | - Anna M Gutridge
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, IN 47907 USA
| | - Alexander R French
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, IN 47907 USA
- Departments of Neurology and Bioengineering, University of Illinois Chicago, Chicago, IL 60612 USA
| | - Elizabeth S Rhoda
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, IN 47907 USA
| | - Yazan J. Meqbil
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, IN 47907 USA
| | - Meghna Gill
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL 60612 USA
| | - Yavnika Kashyap
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL 60612 USA
| | - Kevin Appourchaux
- Center for Clinical Pharmacology, University of Health Sciences & Pharmacy at St. Louis and Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Barnali Paul
- Center for Clinical Pharmacology, University of Health Sciences & Pharmacy at St. Louis and Washington University School of Medicine, St. Louis, MO 63110 USA
| | - Zaijie Jim Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL 60612 USA
- Departments of Neurology and Bioengineering, University of Illinois Chicago, Chicago, IL 60612 USA
| | - Richard M. van Rijn
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, IN 47907 USA
- Purdue Institute for Drug Discovery, West Lafayette, IN 47907 USA
- Purdue Institute for Integrative Neuroscience, West Lafayette, IN 47907 USA
- Purdue Interdisciplinary Life Sciences Graduate Program, Purdue University, West Lafayette, IN 47907 USA
| | - Andrew P. Riley
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois Chicago, Chicago, IL 60612 USA
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Zhao S, Sirasani G, Andrade RB. Aspidosperma and Strychnos alkaloids: Chemistry and biology. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2021; 86:1-143. [PMID: 34565505 DOI: 10.1016/bs.alkal.2021.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Abstract
Of Nature's nearly 3000 unique monoterpene indole alkaloids derived from tryptophan, those members belonging to the Aspidosperma and Strychnos families continue to impact the fields of natural products (i.e., isolation, structure determination, biosynthesis) and organic chemistry (i.e., chemical synthesis, methodology development) among others. This review covers the biological activity (Section 2), biosynthesis (Section 3), and synthesis of both classical and novel Aspidosperma (Section 4), Strychnos (Section 5), and selected bis-indole (Section 6) alkaloids. Technological advancements in genetic sequencing and bioinformatics have deepened our understanding of how Nature assembles these intriguing molecules. The proliferation of innovative synthetic strategies and tactics for the synthesis of the alkaloids covered in this review, which include contributions from over fifty research groups from around the world, are a testament to the creative power and technical skills of synthetic organic chemists. To be sure, Nature-the Supreme molecular architect and source of a dazzling array of irresistible chemical logic puzzles-continues to inspire scientists across multiple disciplines and will certainly continue to do so for the foreseeable future.
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Affiliation(s)
- Senzhi Zhao
- Department of Chemistry, Temple University, Philadelphia, PA, United States
| | | | - Rodrigo B Andrade
- Department of Chemistry, Temple University, Philadelphia, PA, United States
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Nguyen TD, Dang TTT. Cytochrome P450 Enzymes as Key Drivers of Alkaloid Chemical Diversification in Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:682181. [PMID: 34367208 PMCID: PMC8336426 DOI: 10.3389/fpls.2021.682181] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/01/2021] [Indexed: 05/30/2023]
Abstract
Plants produce more than 20,000 nitrogen-containing heterocyclic metabolites called alkaloids. These chemicals serve numerous eco-physiological functions in the plants as well as medicines and psychedelic drugs for human for thousands of years, with the anti-cancer agent vinblastine and the painkiller morphine as the best-known examples. Cytochrome P450 monooxygenases (P450s) play a key role in generating the structural variety that underlies this functional diversity of alkaloids. Most alkaloid molecules are heavily oxygenated thanks to P450 enzymes' activities. Moreover, the formation and re-arrangement of alkaloid scaffolds such as ring formation, expansion, and breakage that contribute to their structural diversity and bioactivity are mainly catalyzed by P450s. The fast-expanding genomics and transcriptomics databases of plants have accelerated the investigation of alkaloid metabolism and many players behind the complexity and uniqueness of alkaloid biosynthetic pathways. Here we discuss recent discoveries of P450s involved in the chemical diversification of alkaloids and how these inform our approaches in understanding plant evolution and producing plant-derived drugs.
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Mauger A, Jarret M, Kouklovsky C, Poupon E, Evanno L, Vincent G. The chemistry of mavacurane alkaloids: a rich source of bis-indole alkaloids. Nat Prod Rep 2021; 38:1852-1886. [PMID: 33666614 DOI: 10.1039/d0np00088d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Covering: since early reports up to the end of 2020This review presents a complete coverage of the mavacuranes alkaloids since early reports till date. Mavacuranes alkaloids are a restrictive sub-group of monoterpene indole alkaloids (MIAs), which are represented by their two emblematic congeners, namely, C-mavacurine and pleiocarpamine. Their skeleton is defined by a bond between the indolic N1 nitrogen and the C16 carbon of the tetracyclic scaffold of the corynanthe group in MIA. A limited number of congeners is known as this skeleton can be considered as a cul-de-sac in main MIA biosynthetic routes. Thanks to the enhanced enamine-type reactivity, mavacuranes are frequently involved in the formation of multimeric MIA scaffolds. This review covers isolation aspects and synthetic approaches towards the mavacurane core and bisindole assemblies. To access the mavacurane core, only a few strategies are reported and the main synthetic difficulties usually originate from the important rigidity of the pentacyclic system. For the bisindole assemblies, biomimetic routes are privileged and deliver complex structures using smooth conditions.
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Affiliation(s)
- Audrey Mauger
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Université Paris-Saclay, CNRS, 91405 Orsay, France.
| | - Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Université Paris-Saclay, CNRS, 91405 Orsay, France.
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Université Paris-Saclay, CNRS, 91405 Orsay, France.
| | - Erwan Poupon
- Biomolécules: Conception, Isolement et Synthèse (BioCIS), Université Paris-Saclay, CNRS, 92290 Châtenay-Malabry, France.
| | - Laurent Evanno
- Biomolécules: Conception, Isolement et Synthèse (BioCIS), Université Paris-Saclay, CNRS, 92290 Châtenay-Malabry, France.
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Université Paris-Saclay, CNRS, 91405 Orsay, France.
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Creed SM, Gutridge AM, Argade MD, Hennessy MR, Friesen JB, Pauli GF, van Rijn RM, Riley AP. Isolation and Pharmacological Characterization of Six Opioidergic Picralima nitida Alkaloids. JOURNAL OF NATURAL PRODUCTS 2021; 84:71-80. [PMID: 33326237 PMCID: PMC7932029 DOI: 10.1021/acs.jnatprod.0c01036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The seeds of the akuamma tree (Picralima nitida) have been used as a traditional treatment for pain and fever. Previous studies have attributed these effects to a series of indole alkaloids found within the seed extracts; however, these pharmacological studies were significantly limited in scope. Herein, an isolation protocol employing pH-zone-refining countercurrent chromatography was developed to provide six of the akuamma alkaloids in high purity and quantities sufficient for more extensive biological evaluation. Five of these alkaloids, akuammine (1), pseudo-akuammigine (3), akuammicine (4), akuammiline (5), and picraline (6), were evaluated against a panel of >40 central nervous system receptors to identify that their primary targets are the opioid receptors. Detailed in vitro investigations revealed 4 to be a potent kappa opioid receptor agonist, and three alkaloids (1-3) were shown to have micromolar activity at the mu opioid receptor. The mu opioid receptor agonists were further evaluated for analgesic properties but demonstrated limited efficacy in assays of thermal nociception. These findings contradict previous reports of the antinociceptive properties of the P. nitida alkaloids and the traditional use of akuamma seeds as analgesics. Nevertheless, their opioid-preferring activity does suggest the akuamma alkaloids provide distinct scaffolds from which novel opioids with unique pharmacologic properties and therapeutic utility can be developed.
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Affiliation(s)
- Simone M Creed
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Anna M Gutridge
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
| | - Malaika D Argade
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Madeline R Hennessy
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - J Brent Friesen
- Department of Pharmaceutical Sciences and Pharmacognosy Institute, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Guido F Pauli
- Department of Pharmaceutical Sciences and Pharmacognosy Institute, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
| | - Richard M van Rijn
- Department of Medicinal Chemistry and Molecular Pharmacology, College of Pharmacy, Purdue Institute for Drug Discovery, Purdue Institute for Integrative Neuroscience, Purdue Interdisciplinary Life Sciences Graduate Program, Purdue University, West Lafayette, Indiana 47907, United States
| | - Andrew P Riley
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois 60612, United States
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Jarret M, Tap A, Turpin V, Denizot N, Kouklovsky C, Poupon E, Evanno L, Vincent G. Bioinspired Divergent Oxidative Cyclizations of Geissoschizine: Total Synthesis of (–)‐17‐nor‐Excelsinidine, (+)‐16‐
epi
‐Pleiocarpamine, (+)‐16‐Hydroxymethyl‐Pleiocarpamine and (+)‐Taberdivarine H. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000962] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) Université Paris‐Saclay, CNRS 91405 Orsay France
| | - Aurélien Tap
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) Université Paris‐Saclay, CNRS 91405 Orsay France
| | - Victor Turpin
- Biomolécules: Conception, Isolement et Synthèse (BioCIS) Université Paris‐Saclay, CNRS, BioCIS 92290 Châtenay‐Malabry France
| | - Natacha Denizot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) Université Paris‐Saclay, CNRS 91405 Orsay France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) Université Paris‐Saclay, CNRS 91405 Orsay France
| | - Erwan Poupon
- Biomolécules: Conception, Isolement et Synthèse (BioCIS) Université Paris‐Saclay, CNRS, BioCIS 92290 Châtenay‐Malabry France
| | - Laurent Evanno
- Biomolécules: Conception, Isolement et Synthèse (BioCIS) Université Paris‐Saclay, CNRS, BioCIS 92290 Châtenay‐Malabry France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO) Université Paris‐Saclay, CNRS 91405 Orsay France
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Delayre B, Piemontesi C, Wang Q, Zhu J. TiCl
3
‐Mediated Synthesis of 2,3,3‐Trisubstituted Indolenines: Total Synthesis of (+)‐1,2‐Dehydroaspidospermidine, (+)‐Condyfoline, and (−)‐Tubifoline. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Bastien Delayre
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Cyril Piemontesi
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
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Delayre B, Piemontesi C, Wang Q, Zhu J. TiCl
3
‐Mediated Synthesis of 2,3,3‐Trisubstituted Indolenines: Total Synthesis of (+)‐1,2‐Dehydroaspidospermidine, (+)‐Condyfoline, and (−)‐Tubifoline. Angew Chem Int Ed Engl 2020; 59:13990-13997. [DOI: 10.1002/anie.202005380] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Bastien Delayre
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Cyril Piemontesi
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Qian Wang
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
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Bai XG, Miao HJ, Zhao Y, Wang QL, Bu ZW. Regioselective and Diastereoselective Dearomative Multifunctionalization of In-Situ-Activated Azaarenes: An Access to Bridged Azaheterocycles. Org Lett 2020; 22:5068-5073. [DOI: 10.1021/acs.orglett.0c01648] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xu-Guan Bai
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People’s Republic of China
| | - Hong-Jie Miao
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People’s Republic of China
| | - Yang Zhao
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People’s Republic of China
| | - Qi-Lin Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People’s Republic of China
| | - Zhan-Wei Bu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, People’s Republic of China
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Jarret M, Turpin V, Tap A, Gallard J, Kouklovsky C, Poupon E, Vincent G, Evanno L. Bioinspired Oxidative Cyclization of the Geissoschizine Skeleton for Enantioselective Total Synthesis of Mavacuran Alkaloids. Angew Chem Int Ed Engl 2019; 58:9861-9865. [DOI: 10.1002/anie.201905227] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Victor Turpin
- Pharmacognosie et chimie des substances naturellesBioCISUniv. Paris-SudUniversité Paris-SaclayCNRS 92290 Châtenay-Malabry France
| | - Aurélien Tap
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Jean‐François Gallard
- ICSNInstitut de Chimie des Substances Naturelles, CNRS UPR 2301Université Paris-Saclay 1 avenue de la Terrasse 91198 Gif-sur-Yvette Cedex France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Erwan Poupon
- Pharmacognosie et chimie des substances naturellesBioCISUniv. Paris-SudUniversité Paris-SaclayCNRS 92290 Châtenay-Malabry France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Laurent Evanno
- Pharmacognosie et chimie des substances naturellesBioCISUniv. Paris-SudUniversité Paris-SaclayCNRS 92290 Châtenay-Malabry France
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Jarret M, Turpin V, Tap A, Gallard J, Kouklovsky C, Poupon E, Vincent G, Evanno L. Bioinspired Oxidative Cyclization of the Geissoschizine Skeleton for Enantioselective Total Synthesis of Mavacuran Alkaloids. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905227] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Victor Turpin
- Pharmacognosie et chimie des substances naturellesBioCISUniv. Paris-SudUniversité Paris-SaclayCNRS 92290 Châtenay-Malabry France
| | - Aurélien Tap
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Jean‐François Gallard
- ICSNInstitut de Chimie des Substances Naturelles, CNRS UPR 2301Université Paris-Saclay 1 avenue de la Terrasse 91198 Gif-sur-Yvette Cedex France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Erwan Poupon
- Pharmacognosie et chimie des substances naturellesBioCISUniv. Paris-SudUniversité Paris-SaclayCNRS 92290 Châtenay-Malabry France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMTUniv. Paris SudCNRSUniversité Paris-Saclay 15, rue Georges Clémenceau 91405 Orsay Cedex France
| | - Laurent Evanno
- Pharmacognosie et chimie des substances naturellesBioCISUniv. Paris-SudUniversité Paris-SaclayCNRS 92290 Châtenay-Malabry France
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Zhang X, Kakde BN, Guo R, Yadav S, Gu Y, Li A. Total Syntheses of Echitamine, Akuammiline, Rhazicine, and Pseudoakuammigine. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901086] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiang Zhang
- State Key Laboratory of Bioorganic and Natural Products ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Badrinath N. Kakde
- State Key Laboratory of Bioorganic and Natural Products ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Rui Guo
- State Key Laboratory of Bioorganic and Natural Products ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Sonyabapu Yadav
- State Key Laboratory of Bioorganic and Natural Products ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Yucheng Gu
- SyngentaJealott's Hill International Research Centre Bracknell Berkshire RG42 6EY UK
| | - Ang Li
- State Key Laboratory of Bioorganic and Natural Products ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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Zhang X, Kakde BN, Guo R, Yadav S, Gu Y, Li A. Total Syntheses of Echitamine, Akuammiline, Rhazicine, and Pseudoakuammigine. Angew Chem Int Ed Engl 2019; 58:6053-6058. [PMID: 30803132 DOI: 10.1002/anie.201901086] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Indexed: 01/30/2023]
Abstract
Echitamine (1) and akuammiline (2) are representative members of a fascinating class of monoterpenoid indole alkaloids. We report the syntheses of 2 and its congener deacetylakuammiline (3). The azabicyclo[3.3.1]nonane motif was assembled through silver-catalyzed internal alkyne cyclization, and one-pot C-O bond cleavage/C-N bond formation furnished the pentacyclic scaffold. Compound 3 then served as a common intermediate for preparing a series of structurally diverse and synthetically challenging congeners including 1. A position-selective Polonovski-Potier reaction followed by formal N-4 migration built the core of N-demethylechitamine (4) and 1. An alternative route featuring Meisenheimer rearrangement gave 4 as well. Oxidation of the alcohol within 3 gave rhazimal (5), which underwent tandem indolenine hydrolysis, hemiaminalization, and hemiketalization to form rhazicine (6). A sequence of N,O-ketalization and reductive amination secured the chemoselectivity of N-methylation, leading to pseudoakuammigine (7).
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Affiliation(s)
- Xiang Zhang
- 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
| | - Badrinath N Kakde
- 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
| | - Sonyabapu Yadav
- 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
| | - Yucheng Gu
- Syngenta, Jealott's Hill International Research Centre, Bracknell, Berkshire, RG42 6EY, UK
| | - 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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de Almeida VL, Silva CG, Silva AF, Campana PRV, Foubert K, Lopes JCD, Pieters L. Aspidosperma species: A review of their chemistry and biological activities. JOURNAL OF ETHNOPHARMACOLOGY 2019; 231:125-140. [PMID: 30395977 DOI: 10.1016/j.jep.2018.10.039] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 10/30/2018] [Accepted: 10/30/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Species of Aspidosperma are known popularly as "peroba, guatambu, carapanaúba, pau-pereiro" and "quina". The genus can be found in the Americas, mainly between Mexico and Argentina. Many species of Aspidosperma are used by the population in treating cardiovascular diseases, malaria, fever, diabetes and rheumatism. The phytochemical aspects of the species of the genus Aspidosperma have been studied extensively. The monoterpene indole alkaloids are the main secondary metabolites in Aspidosperma species, and about 250 of them have been isolated showing a considerable structural diversity. Several of them have showed some important pharmacological activities. Aspidosperma subincanum Mart. and Aspidosperma tomentosum Mart. (Apocynaceae) are Brazilian species widely used by the population to treat diabetes mellitus, hypercholesterolemia. The pharmacological activities of both species have been investigated and the biological properties described can be related to their isolated indole alkaloids. However, more pharmacological studies are needed in order to justify the use of these species in folk medicine. In this review, we present reports mainly focused on chemical and biological studies and their relationship with the ethnopharmacological use of both Aspidosperma species. AIM OF THE STUDY The aim of this review is to present their ethnopharmacological use as correlated to their biological activities as described for the extracts and isolated compounds from Aspidosperma subincanum Mart. and Aspidosperma tomentosum Mart. In addition, some aspects related to the biosynthetic pathways are discussed, also NMR assignments and some synthesis information about indole alkaloids from both Aspidosperma species are included. MATERIAL AND METHODS The bibliographic search was made in theses and dissertations using some databases such as NDLTD (Networked Digital Library of Theses and Dissertations), OATD (Open Access Theses and Dissertations) and Google Scholar. More data were gathered from books, Brazilian journals and articles available on electronic databases such as, Google Scholar, PubChem, Scifinder, Web of Science, SciELO, PubMed and Science Direct. Additionally, the Google Patents and Espacenet Patent Search (EPO) were also consulted. The keywords Aspidosperma, A. subincanum, A. tomentosum, indole alkaloids were used in the research. The languages were restricted to Portuguese, English and Spanish and references were selected according to their relevance. RESULTS A. subincanum Mart. and A. tomentosum Mart. (Apocynaceae) are Brazilian species widely used by the population to treat a few diseases. Extracts and isolated compounds of both species have shown antitumor and antimalarial activities. The antitumor activity of isolated compounds has been extensively studied. However, the antiplasmodial activity needs to be investigated further as well as the anti-inflammatory, anti-hyperlipidemic and anorexigenic activities. From A. subincanum twenty-one indole alkaloids were isolated and some of them have been extensively studied. From the leaves and bark of A. tomentosum four alkaloids and one flavonoid were isolated. Furthermore, CG-MS analysis of seeds, branches, leaves and arils identified nine indole alkaloids. Stemmadenine has been proposed as a precursor of indole alkaloids obtained from some species of Aspidosperma. Many of the biosynthetic steps have been characterized at the enzymatic level and appropriate genes have been identified, however, other steps have yet to be investigated and they are still controversial. Some isolated alkaloids from A. subincanum and A. tomentosum were identified only by mass spectrometry. In many cases, their NMR data was either not available or was incomplete. The described meta-analysis of the available NMR data revealed that the chemical shifts belonging to the indole ring might be used to characterize this class of alkaloids within complex matrices such as plant extracts. The biological activities and the structural complexity of these compounds have stimulated the interest of many groups into their synthesis. In this review, some information about the synthesis of indole alkaloids and their derivatives was presented. CONCLUSIONS A. subincanum and A. tomentosum are used by the population of Brazil to treat many diseases. A few biological activities described for the extracts and isolated compounds of both species are in agreement with the ethnopharmacological use for others species of Aspidosperma, such as, antimalarial, the treatment of diabetes and other illnesses. These species are sources of leading compounds which can be used for developing new drugs. In addition, other biological activities reported and suggested by ethnopharmacological data have yet to be investigated and could be an interesting area in the search for new bioactive compounds.
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Affiliation(s)
- Vera Lúcia de Almeida
- Serviço de Fitoquímica e Prospecção Farmacêutica, Divisão de Ciência e Inovação, Fundação Ezequiel Dias, Belo Horizonte, MG, Brazil
| | - Cláudia Gontijo Silva
- Serviço de Fitoquímica e Prospecção Farmacêutica, Divisão de Ciência e Inovação, Fundação Ezequiel Dias, Belo Horizonte, MG, Brazil
| | - Andréia Fonseca Silva
- Herbário PAMG, Departamento de Pesquisa, Empresa de Pesquisa Agropecuária de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Kenn Foubert
- Natural Products & Food Research and Analysis, Department of Pharmaceutical Sciences, University of Antwerp, Antwerp, Belgium
| | - Júlio César Dias Lopes
- Chemoinformatics group (NEQUIM), Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Luc Pieters
- Natural Products & Food Research and Analysis, Department of Pharmaceutical Sciences, University of Antwerp, Antwerp, Belgium.
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Mason JD, Weinreb SM. The Alstoscholarisine Alkaloids: Isolation, Structure Determination, Biogenesis, Biological Evaluation, and Synthesis. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2018; 81:115-150. [PMID: 30685049 DOI: 10.1016/bs.alkal.2018.09.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The alstoscholarisines are a small family of biologically and structurally interesting polycyclic monoterpenoid indole alkaloids isolated from the leaf extracts of Alstonia scholaris. The alkaloids can be divided into three different subtypes based upon their structures and putative biogenesis: (1) (-)-alstoscholarisines A-E, (2) (+)-alstoscholarisine G, and (3) (+)-alstoscholarisines H-J. This review discusses the isolation, structure determination, biological activity, and proposed biosynthesis of these metabolites. In addition, synthetic studies on the alkaloids are described including total syntheses of racemic alstoscholarisines A-E, a total synthesis of (-)-alstoscholarisine A, and a synthesis of racemic alstoscholarisine H.
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Affiliation(s)
- Jeremy D Mason
- Department of Chemistry, The Pennsylvania State University, University Park, PA, United States
| | - Steven M Weinreb
- Department of Chemistry, The Pennsylvania State University, University Park, PA, United States.
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Picazo E, Morrill LA, Susick RB, Moreno J, Smith JM, Garg NK. Enantioselective Total Syntheses of Methanoquinolizidine-Containing Akuammiline Alkaloids and Related Studies. J Am Chem Soc 2018; 140:6483-6492. [PMID: 29694031 PMCID: PMC6085837 DOI: 10.1021/jacs.8b03404] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The akuammiline alkaloids are a structurally diverse class of bioactive natural products isolated from plants found in various parts of the world. A particularly challenging subset of akuammiline alkaloids are those that contain a methanoquinolizidine core. We describe a synthetic approach to these compounds that has enabled the first total syntheses of (+)-strictamine, (-)-2( S)-cathafoline, (+)-akuammiline, and (-)-Ψ-akuammigine. Our strategy relies on the development of the reductive interrupted Fischer indolization reaction to construct a common pentacyclic intermediate bearing five contiguous stereocenters, in addition to late-stage formation of the methanoquinolizidine framework using a deprotection-cyclization cascade. The total syntheses of (-)-Ψ-akuammigine and (+)-akuammiline mark the first preparations of akuammiline alkaloids containing both a methanoquinolizidine core and vicinal quaternary centers. Lastly, we describe the bioinspired reductive rearrangements of (+)-strictamine and (+)-akuammiline to ultimately provide (-)-10-demethoxyvincorine and a new analogue thereof.
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Affiliation(s)
- Elias Picazo
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Lucas A. Morrill
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Robert B. Susick
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Jesus Moreno
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Joel M. Smith
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Neil K. Garg
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
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18
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Jarret M, Tap A, Kouklovsky C, Poupon E, Evanno L, Vincent G. Bioinspired Oxidative Cyclization of the Geissoschizine Skeleton for the Total Synthesis of (−)-17-nor-Excelsinidine. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802610] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); Equipe MSMT; Univ. Paris-Sud, CNRS; Université Paris-Saclay; 15, rue Georges Clémenceau 91405 Orsay, Cedex France
| | - Aurélien Tap
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); Equipe MSMT; Univ. Paris-Sud, CNRS; Université Paris-Saclay; 15, rue Georges Clémenceau 91405 Orsay, Cedex France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); Equipe MSMT; Univ. Paris-Sud, CNRS; Université Paris-Saclay; 15, rue Georges Clémenceau 91405 Orsay, Cedex France
| | - Erwan Poupon
- Pharmacognosie et chimie des substances naturelles; BioCIS; Univ. Paris-Sud, Université Paris-Saclay, CNRS; 92290 Châtenay-Malabry France
| | - Laurent Evanno
- Pharmacognosie et chimie des substances naturelles; BioCIS; Univ. Paris-Sud, Université Paris-Saclay, CNRS; 92290 Châtenay-Malabry France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); Equipe MSMT; Univ. Paris-Sud, CNRS; Université Paris-Saclay; 15, rue Georges Clémenceau 91405 Orsay, Cedex France
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19
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Jarret M, Tap A, Kouklovsky C, Poupon E, Evanno L, Vincent G. Bioinspired Oxidative Cyclization of the Geissoschizine Skeleton for the Total Synthesis of (-)-17-nor-Excelsinidine. Angew Chem Int Ed Engl 2018; 57:12294-12298. [PMID: 29575642 DOI: 10.1002/anie.201802610] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 03/19/2018] [Indexed: 11/10/2022]
Abstract
We report the first total synthesis of (-)-17-nor-excelsinidine, a zwitterionic monoterpene indole alkaloid that displays an unusual N4-C16 connection. Inspired by the postulated biosynthesis, we explored an oxidative coupling approach from the geissoschizine framework to forge the key ammonium-acetate connection. Two strategies allowed us to achieve this goal, namely an intramolecular nucleophilic substitution on a 16-chlorolactam with the N4 nitrogen atom or a direct I2 -mediated N4-C16 oxidative coupling from the enolate of geissoschizine.
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Affiliation(s)
- Maxime Jarret
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMT, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 15, rue Georges Clémenceau, 91405, Orsay, Cedex, France
| | - Aurélien Tap
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMT, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 15, rue Georges Clémenceau, 91405, Orsay, Cedex, France
| | - Cyrille Kouklovsky
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMT, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 15, rue Georges Clémenceau, 91405, Orsay, Cedex, France
| | - Erwan Poupon
- Pharmacognosie et chimie des substances naturelles, BioCIS, Univ. Paris-Sud, Université Paris-Saclay, CNRS, 92290, Châtenay-Malabry, France
| | - Laurent Evanno
- Pharmacognosie et chimie des substances naturelles, BioCIS, Univ. Paris-Sud, Université Paris-Saclay, CNRS, 92290, Châtenay-Malabry, France
| | - Guillaume Vincent
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Equipe MSMT, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 15, rue Georges Clémenceau, 91405, Orsay, Cedex, France
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Solution of the multistep pathway for assembly of corynanthean, strychnos, iboga, and aspidosperma monoterpenoid indole alkaloids from 19 E-geissoschizine. Proc Natl Acad Sci U S A 2018; 115:3180-3185. [PMID: 29511102 PMCID: PMC5866588 DOI: 10.1073/pnas.1719979115] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The multistep assembly of catharanthine and tabersonine from strictosidine remains poorly characterized for understanding the biochemistry of anticancer monoterpenoid indole alkaloid (MIA) biosynthesis in the medicinal plant, Catharanthus roseus. The seven-step pathway from 19E-geissoschizine to four major MIA skeletons enables the assembly of catharanthine and tabersonine that complete the pathway for biosynthesis of the anticancer drugs, anhydrovinblastine and vincristine as well as for production of other biologically active MIAs. Monoterpenoid indole alkaloids (MIAs) possess a diversity of alkaloid skeletons whose biosynthesis is poorly understood. A bioinformatic search of candidate genes, combined with their virus-induced gene silencing, targeted MIA profiling and in vitro/in vivo pathway reconstitution identified and functionally characterized six genes as well as a seventh enzyme reaction required for the conversion of 19E-geissoschizine to tabersonine and catharanthine. The involvement of pathway intermediates in the formation of four MIA skeletons is described, and the role of stemmadenine-O-acetylation in providing necessary reactive substrates for the formation of iboga and aspidosperma MIAs is described. The results enable the assembly of complex dimeric MIAs used in cancer chemotherapy and open the way to production of many other biologically active MIAs that are not easily available from nature.
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Duplais C, Estevez Y. Tandem Biocatalysis Unlocks the Challenging de Novo Production of Plant Natural Products. Chembiochem 2017; 18:2192-2195. [PMID: 28940553 DOI: 10.1002/cbic.201700508] [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: 09/19/2017] [Indexed: 11/09/2022]
Abstract
Intimate partnership: Knowledge of the biocatalytic cascades in different cellular compartments is limited, but deciphering these systems in nature can be used to inspire synthetic strategies. Two studies report new insights into the biosynthesis of alkaloids and sesterterpenoids in plants. This highlight presents these novel biotransformations to illustrate how tandem biocatalysis can impact the future of natural product production.
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Affiliation(s)
- Christophe Duplais
- CNRS, UMR8172 EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane, Campus agronomique avenue de France, 97379, Kourou, French Guiana, France
| | - Yannick Estevez
- CNRS, UMR8172 EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane, Campus agronomique avenue de France, 97379, Kourou, French Guiana, France
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A three enzyme system to generate the Strychnos alkaloid scaffold from a central biosynthetic intermediate. Nat Commun 2017; 8:316. [PMID: 28827772 PMCID: PMC5566405 DOI: 10.1038/s41467-017-00154-x] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 06/06/2017] [Indexed: 11/08/2022] Open
Abstract
Monoterpene indole alkaloids comprise a diverse family of over 2000 plant-produced natural products. This pathway provides an outstanding example of how nature creates chemical diversity from a single precursor, in this case from the intermediate strictosidine. The enzymes that elicit these seemingly disparate products from strictosidine have hitherto been elusive. Here we show that the concerted action of two enzymes commonly involved in natural product metabolism—an alcohol dehydrogenase and a cytochrome P450—produces unexpected rearrangements in strictosidine when assayed simultaneously. The tetrahydro-β-carboline of strictosidine aglycone is converted into akuammicine, a Strychnos alkaloid, an elusive biosynthetic transformation that has been investigated for decades. Importantly, akuammicine arises from deformylation of preakuammicine, which is the central biosynthetic precursor for the anti-cancer agents vinblastine and vincristine, as well as other biologically active compounds. This discovery of how these enzymes can function in combination opens a gateway into a rich family of natural products. The biosynthetic pathway of preakuammicine, a monoterpene precursor of the anti-cancer agent vinblastine, has remained largely unexplored. Here, the authors provide transcriptomic and biochemical data to identify two enzymes that, in tandem, convert strictosidine to akuammicine, the stable shunt product of preakuammicine.
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23
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Unified biomimetic assembly of voacalgine A and bipleiophylline via divergent oxidative couplings. Nat Chem 2017; 9:793-798. [DOI: 10.1038/nchem.2735] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 01/17/2017] [Indexed: 01/17/2023]
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