1
|
Feineis D, Bringmann G. Structural variety and pharmacological potential of naphthylisoquinoline alkaloids. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2024; 91:1-410. [PMID: 38811064 DOI: 10.1016/bs.alkal.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Naphthylisoquinoline alkaloids are a fascinating class of natural biaryl compounds. They show characteristic mono- and dimeric scaffolds, with chiral axes and stereogenic centers. Since the appearance of the last comprehensive overview on these secondary plant metabolites in this series in 1995, the number of discovered representatives has tremendously increased to more than 280 examples known today. Many novel-type compounds have meanwhile been discovered, among them naphthylisoquinoline-related follow-up products like e.g., the first seco-type (i.e., ring-opened) and ring-contracted analogues. As highlighted in this review, the knowledge on the broad structural chemodiversity of naphthylisoquinoline alkaloids has been decisively driven forward by extensive phytochemical studies on the metabolite pattern of Ancistrocladus abbreviatus from Coastal West Africa, which is a particularly "creative" plant. These investigations furnished a considerable number of more than 80-mostly new-natural products from this single species, with promising antiplasmodial activities and with pronounced cytotoxic effects against human leukemia, pancreatic, cervical, and breast cancer cells. Another unique feature of naphthylisoquinoline alkaloids is their unprecedented biosynthetic origin from polyketidic precursors and not, as usual for isoquinoline alkaloids, from aromatic amino acids-a striking example of biosynthetic convergence in nature. Furthermore, remarkable botanical results are presented on the natural producers of naphthylisoquinoline alkaloids, the paleotropical Dioncophyllaceae and Ancistrocladaceae lianas, including first investigations on the chemoecological role of these plant metabolites and their storage and accumulation in particular plant organs.
Collapse
Affiliation(s)
- Doris Feineis
- Institute of Organic Chemistry, University of Würzburg, Würzburg, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Würzburg, Germany.
| |
Collapse
|
2
|
Winkelmann T, Bringmann G, Herwig A, Hedrich R. Carnivory on demand: phosphorus deficiency induces glandular leaves in the African liana Triphyophyllum peltatum. THE NEW PHYTOLOGIST 2023. [PMID: 37191044 DOI: 10.1111/nph.18960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/17/2023] [Indexed: 05/17/2023]
Abstract
Triphyophyllum peltatum, a rare tropical African liana, is unique in its facultative carnivory. The trigger for carnivory is yet unknown, mainly because the plant is difficult to propagate and cultivate. This study aimed at identifying the conditions that result in the formation of carnivorous leaves. In vitro shoots were subjected to abiotic stressors in general and deficiencies of the major nutrients nitrogen, potassium and phosphorus in particular, to trigger carnivorous leaves' development. Adventitious root formation was improved to allow verification of the trigger in glasshouse-grown plants. Among all the stressors tested, only under phosphorus deficiency, the formation of carnivorous leaves was observed. These glandular leaves fully resembled those found under natural growing conditions including the secretion of sticky liquid by mature capture organs. To generate plants for glasshouse experiments, a pulse of 55.4 μM α-naphthaleneacetic acid was essential to achieve 90% in vitro rooting. This plant material facilitated the confirmation of phosphorus starvation to be essential and sufficient for carnivory induction, also under ex vitro conditions. Having established the cultivation of T. peltatum and the induction of carnivory, future gene expression profiles from phosphorus starvation-induced leaves will provide important insight to the molecular mechanism of carnivory on demand.
Collapse
Affiliation(s)
- Traud Winkelmann
- Institute of Horticultural Production Systems, Leibniz Universität Hannover, Herrenhäuser Str. 2, 30419, Hannover, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Anne Herwig
- Institute of Soil Science, Leibniz Universität Hannover, Herrenhäuser Str. 2, 30419, Hannover, Germany
| | - Rainer Hedrich
- Department of Molecular Plant-Physiology and Biophysics - Botany I, University of Würzburg, Biocentre, Julius-von-Sachs-Institute for Biosciences, Julius-von-Sachs-Platz 2, 97082, Würzburg, Germany
| |
Collapse
|
3
|
Wójciak M, Feldo M, Stolarczyk P, Płachno BJ. Biological Potential of Carnivorous Plants from Nepenthales. Molecules 2023; 28:molecules28083639. [PMID: 37110873 PMCID: PMC10146735 DOI: 10.3390/molecules28083639] [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: 04/05/2023] [Revised: 04/16/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Since Charles Darwin and his book carnivorous plants have aroused interest and heated debate. In addition, there is growing interest in this group of plants as a source of secondary metabolites and in the application of their biological activity. The aim of this study was to trace the recent literature in search of the application of extracts obtained from families Droseraceae, Nepenthaceae, and Drosophyllaceae to show their biological potential. The data collected in the review clearly indicate that the studied Nepenthales species have great biological potential in terms of antibacterial, antifungal, antioxidant, anti-inflammatory, and anticancer use. We proposed that further investigations should include: (i) bioactivity-guided investigations of crude plant extract to connect a particular type of action with a specific compound or a group of metabolites; (ii) a search for new bioactive properties of carnivorous plants; (iii) establishment of molecular mechanisms associated with specific activity. Furthermore, further research should be extended to include less explored species, i.e., Drosophyllum lusitanicum and especially Aldrovanda vesiculosa.
Collapse
Affiliation(s)
- Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Chodzki 4a, 20-093 Lublin, Poland
| | - Marcin Feldo
- Chair and Department of Vascular Surgery and Angiology, Medical University of Lublin, 11 Staszica St., 20-081 Lublin, Poland
| | - Piotr Stolarczyk
- Department of Botany, Physiology and Plant Protection, Faculty of Biotechnology and Horticulture, University of Agriculture in Kraków, 29 Listopada 54 Ave., 31-425 Cracow, Poland
| | - Bartosz J Płachno
- Department of Plant Cytology and Embryology, Institute of Botany, Faculty of Biology, Jagiellonian University in Kraków, 9 Gronostajowa St., 30-387 Cracow, Poland
| |
Collapse
|
4
|
Fayez S, Cacciatore A, Maneenet J, Nguyen HH, Tajuddeen N, Feineis D, Assi LA, Awale S, Bringmann G. Dioncophyllidine E: The first configurationally semi-stable, 7,3'-coupled naphthyldihydroisoquinoline alkaloid, from Ancistrocladus abbreviatus, with antiausterity activity against PANC-1 human pancreatic cancer cells. Bioorg Med Chem Lett 2023; 86:129234. [PMID: 36905967 DOI: 10.1016/j.bmcl.2023.129234] [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: 01/31/2023] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023]
Abstract
The discovery of a new naphthylisoquinoline alkaloid, dioncophyllidine E (4), from the tropical liana Ancistrocladus abbreviatus (Ancistrocladaceae) is described. Due to its rare 7,3'-coupling type, combined with the lack of an oxygen function at C-6, it is configurationally semi-stable at the biaryl axis, and thus occurs as a pair of slowly interconverting atropo-diastereomers, 4a and 4b. Its constitution was assigned mainly by 1D and 2D NMR. The absolute configuration at the stereocenter, C-3, was elucidated by oxidative degradation. The absolute axial configuration of the individual atropo-diastereomers was established by their HPLC resolution, combined with online electronic circular dichroism (ECD) investigations, providing nearly mirror-imaged LC-ECD spectra. These were assigned to the respective atropisomers by ECD comparison with a related, but configurationally stable alkaloid, ancistrocladidine (5). Dioncophyllidine E (4a/4b) exhibits a strong preferential cytotoxicity against PANC-1 human pancreatic cancer cells under nutrient-deprived conditions, with a PC50 value of 7.4 µM, suggesting its potential as an agent against pancreatic cancer.
Collapse
Affiliation(s)
- Shaimaa Fayez
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, 11566 Cairo, Egypt; Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Alessia Cacciatore
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Juthamart Maneenet
- Natural Drug Discovery Laboratory, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Hung Hong Nguyen
- Natural Drug Discovery Laboratory, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Nasir Tajuddeen
- Department of Chemistry, Ahmadu Bello University, 810107 Zaria, Nigeria
| | - Doris Feineis
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Laurent Aké Assi
- Centre National de Floristique, Université d'Abidjan, Conservatoire et Jardin Botanique, Abidjan 08, Cote d'Ivoire
| | - Suresh Awale
- Natural Drug Discovery Laboratory, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074 Würzburg, Germany.
| |
Collapse
|
5
|
Feineis D, Bringmann G. Asian Ancistrocladus Lianas as Creative Producers of Naphthylisoquinoline Alkaloids. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 119:1-335. [PMID: 36587292 DOI: 10.1007/978-3-031-10457-2_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This book describes a unique class of secondary metabolites, the mono- and dimeric naphthylisoquinoline alkaloids. They occur in lianas of the paleotropical Ancistrocladaceae and Dioncophyllaceae families, exclusively. Their unprecedented structures include stereogenic centers and rotationally hindered, and thus likewise stereogenic, axes. Extended recent investigations on six Ancistrocladus species from Asia, as reported in this review, shed light on their fascinating phytochemical productivity, with over 100 such intriguing natural products. This high chemodiversity arises from a likewise unique biosynthesis from acetate-malonate units, following a novel polyketidic pathway to plant-derived isoquinoline alkaloids. Some of the compounds show most promising antiparasitic activities. Likewise presented are strategies for the regio- and stereoselective total synthesis of the alkaloids, including the directed construction of the chiral axis.
Collapse
Affiliation(s)
- Doris Feineis
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
| |
Collapse
|
6
|
Tajuddeen N, Bringmann G. N, C-Coupled naphthylisoquinoline alkaloids: a versatile new class of axially chiral natural products. Nat Prod Rep 2021; 38:2154-2186. [PMID: 34212956 DOI: 10.1039/d1np00020a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Covering: up to April 2021During the past decades, a plethora of natural products with restricted rotation about a biaryl axis have been discovered, among them the naphthylisoquinoline (NIQ) alkaloids, mostly C,C-coupled and having remarkable bioactivities. Within this fascinating class of naturally occurring biaryl compounds, NIQ alkaloids bearing an N,C-heterobiaryl axis have attracted particular attention. They are structurally and biosynthetically unprecedented, with interesting stereochemical implications and biological activities. In contrast to existing articles and reviews about axially chiral - yet C,C-coupled - natural products, this is the first, comprehensive review on the new subclass of N,C-coupled NIQs, their isolation and structural elucidation, their N,C-axial chirality, their biosynthetic origin, their promising antiparasitic and antileukemic activities, and their total synthesis.
Collapse
Affiliation(s)
- Nasir Tajuddeen
- Department of Chemistry, Ahmadu Bello University, Zaria, Nigeria
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, D-97074 Würzburg, Germany.
| |
Collapse
|
7
|
Ismail FMD, Nahar L, Sarker SD. Application of INADEQUATE NMR techniques for directly tracing out the carbon skeleton of a natural product. PHYTOCHEMICAL ANALYSIS : PCA 2021; 32:7-23. [PMID: 32671944 DOI: 10.1002/pca.2976] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Nuclear magnetic resonance (NMR) measurement of 1 JCC coupling by two-dimensional (2D) INADEQUATE (incredible natural abundance double quantum transfer experiment), which is a special case of double-quantum (DQ) spectroscopy that offers unambiguous determination of 13 C-13 C spin-spin connectivities through the DQ transitions of the spin system, is especially suited to solving structures rich in quaternary carbons and poor in hydrogen content (Crews rule). OBJECTIVE To review published literature on the application of NMR methods to determine structure in the liquid-state, which specifically considers the interaction of a pair of carbon-13 (13 C) nuclei adjacent to one another, to allow direct tracing out of contiguous carbon connectivity using 2D INADEQUATE. METHODOLOGY A comprehensive literature search was implemented with various databases: Web of Knowledge, PubMed and SciFinder, and other relevant published materials including published monographs. The keywords used, in various combinations, with INADEQUATE being present in all combinations, in the search were 2D NMR, 1 JCC coupling, natural product, structure elucidation, 13 C-13 C connectivity, cryoprobe and CASE (computer-assisted structure elucidation)/PANACEA (protons and nitrogen and carbon et alia). RESULTS The 2D INADEQUATE continues to solve "intractable" problems in natural product chemistry, and using milligram quantities with cryoprobe techniques combined with CASE/PANACEA experiments can increase machine time efficiency. The 13 C-13 C-based structural elucidation by dissolution single-scan dynamic nuclear polarisation NMR can overcome disadvantages of 13 C insensitivity at natural abundance. Selected examples have demonstrated the trajectory of INADEQUATE spectroscopy from structural determination to clarification of metabolomics analysis and use of DFT (density functional theory) and coupling constants to clarify the connectivity, hybridisation and stereochemistry within natural products. CONCLUSIONS Somewhat neglected over the years because of perceived lack of sensitivity, the 2D INADEQUATE NMR technique has re-emerged as a useful tool for solving natural products structures, which are rich in quaternary carbons and poor in hydrogen content.
Collapse
Affiliation(s)
- Fyaz M D Ismail
- Centre for Natural Products Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool, Merseyside, L3 3AF, UK
| | - Lutfun Nahar
- Centre for Natural Products Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool, Merseyside, L3 3AF, UK
- Laboratory of Growth Regulators, Institute of Experimental Botany ASCR & Palacký University, Olomouc, Czech Republic
| | - Satyajit D Sarker
- Centre for Natural Products Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool, Merseyside, L3 3AF, UK
| |
Collapse
|
8
|
Fayez S, Li J, Feineis D, Aké Assi L, Kaiser M, Brun R, Anany MA, Wajant H, Bringmann G. A Near-Complete Series of Four Atropisomeric Jozimine A 2-Type Naphthylisoquinoline Dimers with Antiplasmodial and Cytotoxic Activities and Related Alkaloids from Ancistrocladus abbreviatus. JOURNAL OF NATURAL PRODUCTS 2019; 82:3033-3046. [PMID: 31642313 DOI: 10.1021/acs.jnatprod.9b00589] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Three new naphthylisoquinoline dimers, jozibrevines A-C (1a-c), were isolated from the West African shrub Ancistrocladus abbreviatus, along with the known dimer jozimine A2 (1d). The two molecular moieties of 1a-d are coupled via the sterically constrained 3',3″-positions of their two naphthalene units, so that the central biaryl linkage is rotationally hindered. With the two outer axes also being chiral, 1a-d possess three consecutive stereogenic axes. The four isolated dimers all have the same constitutions and identical absolute configurations at the four stereogenic centers, but differ by their axial chirality. They belong to the extremely small class of Dioncophyllaceae-type naphthylisoquinoline dimers, i.e., being devoid of oxygen functions at C-6 and bearing the R-configuration at C-3 in their isoquinoline portions. Besides these dimers, the plant produces predominantly typical Ancistrocladaceae-type monomeric compounds, i.e., with the S-configuration at C-3 and an oxygen function at C-6, such as the new ancistrobrevines K (5) and L (6). Furthermore, a new hybrid-type (i.e., mixed Ancistrocladaceae/Dioncophyllaceae-type) alkaloid was identified, named ancistrobrevine M (7), which is 3R-configured and 6-oxygenated. Remarkable was the discovery of its "inverse hybrid-type" counterpart, dioncoline A (8). It is the as yet only known 3S-configured naphthylisoquinoline lacking an O-functionality at C-6. The new jozibrevines A-C (1a-c) exhibited pronounced antiplasmodial activities in the submicromolar range, with 1a being the most potent compound (IC50, 0.012 μM). Furthermore, jozimine A2 (1d) showed cytotoxicity against human colon carcinoma (HT-29), fibrosarcoma (HT1080), and multiple myeloma (MM.1S) cancer cells, displaying IC50 values of 12.0, 9.0, and 5.0 μM, respectively, whereas jozibrevines A (1a) and B (1b) were nontoxic in this concentration range.
Collapse
Affiliation(s)
- Shaimaa Fayez
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
- Department of Pharmacognosy, Faculty of Pharmacy , Ain-Shams University , Organization of African Unity Street 1 , 11566 Cairo , Egypt
| | - Jun Li
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization and Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry , Chinese Academy of Sciences , Urumqi , 830011 , People's Republic of China
| | - Doris Feineis
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| | - Laurent Aké Assi
- Centre National de Floristique, Conservatoire et Jardin Botaniques , Université d' Abidjan , Abidjan 08, Ivory Coast
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institute , Socinstrasse 57 , CH-4002 Basel , Switzerland
- University of Basel , Petersplatz 1 , CH-4003 Basel , Switzerland
| | - Reto Brun
- Swiss Tropical and Public Health Institute , Socinstrasse 57 , CH-4002 Basel , Switzerland
- University of Basel , Petersplatz 1 , CH-4003 Basel , Switzerland
| | - Mohamed A Anany
- Division of Molecular Internal Medicine, Department of Internal Medicine II , University Hospital Würzburg , Grombühlstraße 12 , D-97080 Würzburg , Germany
- Division of Genetic Engineering and Biotechnology, Department of Microbial Biotechnology , National Research Centre , El Buhouth Street, Dokki , 12622 Giza , Egypt
| | - Harald Wajant
- Division of Molecular Internal Medicine, Department of Internal Medicine II , University Hospital Würzburg , Grombühlstraße 12 , D-97080 Würzburg , Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| |
Collapse
|
9
|
Tshitenge DT, Bruhn T, Feineis D, Schmidt D, Mudogo V, Kaiser M, Brun R, Würthner F, Awale S, Bringmann G. Ealamines A-H, a Series of Naphthylisoquinolines with the Rare 7,8'-Coupling Site, from the Congolese Liana Ancistrocladus ealaensis, Targeting Pancreatic Cancer Cells. JOURNAL OF NATURAL PRODUCTS 2019; 82:3150-3164. [PMID: 31630523 DOI: 10.1021/acs.jnatprod.9b00755] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
From the twigs and leaves of the Central African liana Ancistrocladus ealaensis (Ancistrocladaceae), a series of ten 7,8'-coupled naphthylisoquinoline alkaloids were isolated, comprising eight new compounds, named ealamines A-H (4a, 4b, 5-10), and two known ones, 6-O-demethylancistrobrevine A (11) and yaoundamine A (12), which had previously been found in related African Ancistrocladus species. Only one of the new compounds within this series, ealamine H (10), is a typical Ancistrocladaceae-type alkaloid, with 3S-configuration at C-3 and an oxygen function at C-6, whereas seven of the new alkaloids are the first 7,8'-linked "hybrid-type" naphthylisoquinoline alkaloids, i.e., 3R-configured and 6-oxygenated in the tetrahydroisoquinoline part. The discovery of such a broad series of 7,8'-coupled naphthyltetrahydroisoquinolines is unprecedented, because representatives of this subclass of alkaloids are normally found in Nature quite rarely. The stereostructures of the new ealamines were assigned by HRESIMS, 1D and 2D NMR, oxidative degradation, and experimental and quantum-chemical ECD investigations, and-in the case of ealamine A (4a)-also confirmed by X-ray diffraction analysis. Ealamines A-D exhibited distinct-and specific-antiplasmodial activities, and they displayed pronounced preferential cytotoxic effects toward PANC-1 human pancreatic cancer cells in nutrient-deprived medium, without causing toxicity under normal, nutrient-rich conditions, with ealamine C (5) as the most potent agent.
Collapse
Affiliation(s)
- Dieudonné Tshitenge Tshitenge
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
- Faculty of Pharmaceutical Sciences , University of Kinshasa , B.P. 212 Kinshasa XI, Democratic Republic of the Congo
- Medicinal Chemistry , Bayer AG, Pharmaceuticals , Aprather Weg 18a , D-42096 Wuppertal , Germany
| | - Torsten Bruhn
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
- Federal Institute for Risk Assessment , Max-Dohrn-Straße 8-10 , D-10589 Berlin , Germany
| | - Doris Feineis
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| | - David Schmidt
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| | - Virima Mudogo
- Faculté des Sciences , Université de Kinshasa , B.P. 202 , Kinshasa XI, Democratic Republic of the Congo
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institute , Socinstrasse 57 , CH-4002 Basel , Switzerland
- University of Basel , Petersplatz 1 , CH-4003 Basel , Switzerland
| | - Reto Brun
- Swiss Tropical and Public Health Institute , Socinstrasse 57 , CH-4002 Basel , Switzerland
- University of Basel , Petersplatz 1 , CH-4003 Basel , Switzerland
| | - Frank Würthner
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| | - Suresh Awale
- Division of Natural Drug Discovery, Institute of Natural Medicine , University of Toyama , 2630 Sugitani , Toyama 930-0194 , Japan
| | - Gerhard Bringmann
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| |
Collapse
|
10
|
Lombe BK, Feineis D, Bringmann G. Dimeric naphthylisoquinoline alkaloids: polyketide-derived axially chiral bioactive quateraryls. Nat Prod Rep 2019; 36:1513-1545. [DOI: 10.1039/c9np00024k] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This is the first review on dimeric naphthylisoquinolines, a group of structurally intriguing, biosynthetically unique, and pharmacologically promising alkaloids.
Collapse
Affiliation(s)
- Blaise Kimbadi Lombe
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
- Faculté des Sciences
| | - Doris Feineis
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| |
Collapse
|
11
|
Ancistrolikokine I and further 5,8′-coupled naphthylisoquinoline alkaloids from the Congolese liana Ancistrocladus likoko and their cytotoxic activities against drug-sensitive and multidrug resistant human leukemia cells. Fitoterapia 2018; 129:114-125. [DOI: 10.1016/j.fitote.2018.06.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 06/12/2018] [Accepted: 06/14/2018] [Indexed: 11/19/2022]
|
12
|
Cheng X, Zhang G, Seupel R, Feineis D, Brünnert D, Chatterjee M, Schlosser A, Bringmann G. Epoxides related to dioncoquinone B: Synthesis, activity against multiple myeloma cells, and search for the target protein. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.04.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
13
|
Tshitenge DT, Feineis D, Mudogo V, Kaiser M, Brun R, Seo EJ, Efferth T, Bringmann G. Mbandakamine-Type Naphthylisoquinoline Dimers and Related Alkaloids from the Central African Liana Ancistrocladus ealaensis with Antiparasitic and Antileukemic Activities. JOURNAL OF NATURAL PRODUCTS 2018; 81:918-933. [PMID: 29560715 DOI: 10.1021/acs.jnatprod.7b01041] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Four new dimeric naphthylisoquinoline alkaloids, michellamine A5 (2) and mbandakamines C-E (4-6), were isolated from the Congolese plant Ancistrocladus ealaensis, along with the known dimer mbandakamine A (3). They represent constitutionally unsymmetric dimers, each consisting of two 5,8'-coupled naphthylisoquinoline monomers. While the molecular halves of michellamine A5 (2) are linked via C-6' of both of the naphthalene moieties, i.e., via the least-hindered positions, so that the central biaryl axis is configurationally unstable and not an additional element of chirality, the mbandakamines 3-6 possess three consecutive stereogenic axes. Their monomeric units are linked through an unprecedented 6',1″-coupling in the binaphthalene core, leading to a high steric load, since the central axis is located in one of the peri-positions, neighboring one of the outer axes. In addition, four new 5,8'-coupled monomeric naphthylisoquinolines, viz., ancistroealaines C-F (7-10), were identified, along with four "naphthalene-devoid" tetra- and dihydroisoquinolines, named ealaines A-D (11-14). The new mbandakamines C (4) and D (5) showed pronounced activities against the malaria parasite Plasmodium falciparum, and they were likewise found to display strong cytotoxic activities against human leukemia (CCRF-CEM) and multi-drug-resistant tumor cells (CEM/ADR5000).
Collapse
Affiliation(s)
- Dieudonné Tshitenge Tshitenge
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
- Faculty of Pharmaceutical Sciences , University of Kinshasa , B.P. 212 Kinshasa XI, Democratic Republic of the Congo
| | - Doris Feineis
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| | - Virima Mudogo
- Faculté des Sciences , Université de Kinshasa , B.P. 202, Kinshasa XI, Democratic Republic of the Congo
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institute , Socinstrasse 57 , CH-4002 Basel , Switzerland
- University of Basel , Petersplatz 1 , CH-4003 Basel , Switzerland
| | - Reto Brun
- Swiss Tropical and Public Health Institute , Socinstrasse 57 , CH-4002 Basel , Switzerland
- University of Basel , Petersplatz 1 , CH-4003 Basel , Switzerland
| | - Ean-Jeong Seo
- Institute of Pharmacy and Biochemistry, Department of Pharmaceutical Biology , University of Mainz , Staudinger Weg 5 , D-55128 Mainz , Germany
| | - Thomas Efferth
- Institute of Pharmacy and Biochemistry, Department of Pharmaceutical Biology , University of Mainz , Staudinger Weg 5 , D-55128 Mainz , Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry , University of Würzburg , Am Hubland , D-97074 Würzburg , Germany
| |
Collapse
|
14
|
Seupel R, Hemberger Y, Feineis D, Xu M, Seo EJ, Efferth T, Bringmann G. Ancistrocyclinones A and B, unprecedented pentacyclic N,C-coupled naphthylisoquinoline alkaloids, from the Chinese liana Ancistrocladus tectorius. Org Biomol Chem 2018; 16:1581-1590. [DOI: 10.1039/c7ob03092d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The pentacyclic berberine-like ancistrocyclinones A and B represent a new subtype of naphthylisoquinoline alkaloids, with an intriguing helical 3D structure.
Collapse
Affiliation(s)
- Raina Seupel
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| | - Yasmin Hemberger
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| | - Doris Feineis
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| | - Minjuan Xu
- Key Laboratory of Systems Biomedicine
- Shanghai Center for Systems Biomedicine
- Shanghai Jia Tong University
- Shanghai 200240
- P.R. China
| | - Ean-Jeong Seo
- Institute of Pharmacy and Biochemistry
- Department of Pharmaceutical Biology
- University of Mainz
- D-55128 Mainz
- Germany
| | - Thomas Efferth
- Institute of Pharmacy and Biochemistry
- Department of Pharmaceutical Biology
- University of Mainz
- D-55128 Mainz
- Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| |
Collapse
|
15
|
Li J, Seupel R, Feineis D, Mudogo V, Kaiser M, Brun R, Brünnert D, Chatterjee M, Seo EJ, Efferth T, Bringmann G. Dioncophyllines C 2, D 2, and F and Related Naphthylisoquinoline Alkaloids from the Congolese Liana Ancistrocladus ileboensis with Potent Activities against Plasmodium falciparum and against Multiple Myeloma and Leukemia Cell Lines. JOURNAL OF NATURAL PRODUCTS 2017; 80:443-458. [PMID: 28121440 DOI: 10.1021/acs.jnatprod.6b00967] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Dioncophylline F (1), the first 5,8'-coupled dioncophyllaceous alkaloid (i.e., lacking an oxygen function at C-6 and possessing an R-configuration at C-3), was isolated from the recently described Congolese liana Ancistrocladus ileboensis. Two further, likewise Dioncophyllaceae-type, alkaloids, the dioncophyllines C2 (2) and D2 (3), were identified, along with the Ancistrocladaceae-type compound ancistrocladisine B (4), which is oxygenated at C-6 and S-configured at C-3. The structures of the new compounds were determined by spectroscopic, chemical, and chiroptical methods. The stereostructure of 1 was further confirmed by total synthesis. As a consequence of the lack of a methyl group ortho to their biaryl axes, both dioncophylline F (1) and the 7,8'-coupled dioncophylline D2 (3) occur as pairs of configurationally semistable and, thus, slowly interconverting atropo-diastereomers, whereas dioncophylline C2 (2), with its 5,1'-linkage, is configurationally stable at the axis. Eight further known naphthylisoquinolines were isolated from A. ileboensis, among them dioncophylline A (P-10), its 4'-O-demethyl analogue P-11, and 5'-O-methyldioncophylline D (7), which were found to display strong cytotoxic activities against multiple myeloma INA-6 cells (P-10 even stronger than the standard drug melphalan) and against drug-sensitive acute lymphoblastic CCRF-CEM leukemia cells and their multidrug-resistant subline, CEM/ADR5000. Moreover, the dioncophyllines 1, 3, and 7 showed high-and specific-activities against the malaria parasite Plasmodium falciparum.
Collapse
Affiliation(s)
- Jun Li
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, and Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Urumqi, 830011, People's Republic of China
| | - Raina Seupel
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Doris Feineis
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Virima Mudogo
- Faculté des Sciences, Université de Kinshasa , B.P. 202, Kinshasa XI, Democratic Republic of the Congo
| | - Marcel Kaiser
- Swiss Tropical and Public Health Institute , Socinstrasse 57, CH-4002 Basel, Switzerland
- University of Basel , Petersplatz 1, CH-4003 Basel, Switzerland
| | - Reto Brun
- Swiss Tropical and Public Health Institute , Socinstrasse 57, CH-4002 Basel, Switzerland
- University of Basel , Petersplatz 1, CH-4003 Basel, Switzerland
| | | | | | - Ean-Jeong Seo
- Institute of Pharmacy and Biochemistry, Department of Pharmaceutical Biology, University of Mainz , Staudinger Weg 5, D-55128 Mainz, Germany
| | - Thomas Efferth
- Institute of Pharmacy and Biochemistry, Department of Pharmaceutical Biology, University of Mainz , Staudinger Weg 5, D-55128 Mainz, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| |
Collapse
|
16
|
Fayez S, Feineis D, Mudogo V, Awale S, Bringmann G. Ancistrolikokines E–H and related 5,8′-coupled naphthylisoquinoline alkaloids from the Congolese lianaAncistrocladus likokowith antiausterity activities against PANC-1 human pancreatic cancer cells. RSC Adv 2017. [DOI: 10.1039/c7ra11200a] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A striking feature of the metabolite profile ofAncistrocladus likoko(Ancistrocladaceae) is the exclusive production of 5,8′-linked naphthylisoquinoline alkaloids with strong activities against pancreatic cancer cells.
Collapse
Affiliation(s)
- Shaimaa Fayez
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| | - Doris Feineis
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| | - Virima Mudogo
- Faculté des Sciences
- Université de Kinshasa
- Kinshasa XI
- Democratic Republic of the Congo
| | - Suresh Awale
- Division of Natural Drug Discovery
- Institute of Natural Medicine
- University of Toyama
- Toyama 930-0194
- Japan
| | - Gerhard Bringmann
- Institute of Organic Chemistry
- University of Würzburg
- D-97074 Würzburg
- Germany
| |
Collapse
|
17
|
Bringmann G, Irmer A, Büttner T, Schaumlöffel A, Zhang G, Seupel R, Feineis D, Fester K. Axially Chiral Dimeric Naphthalene and Naphthoquinone Metabolites, from Root Cultures of the West African Liana Triphyophyllum peltatum. JOURNAL OF NATURAL PRODUCTS 2016; 79:2094-2103. [PMID: 27438403 DOI: 10.1021/acs.jnatprod.6b00439] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Root cultures of the West African liana Triphyophyllum peltatum were initiated from stem explants of in vitro cultivated shoots. From these organ cultures, three new binaphthalenes, one binaphthoquinone, and two (bi)naphthalene glucosides were isolated, with substitution patterns related to those of the naphthylisoquinoline alkaloids, which are the "normal" main metabolites of T. peltatum. The structures of the diglucoside dioncoquinoside A (1) and of the axially chiral biaryls triphyoquinols A1 (3), A2 (4), and B (5), triphyoquinoside A (6), and triphyoquinone A (7) were elucidated by spectroscopic analysis (HRESIMS, 1D and 2D NMR) and by application of electronic circular dichroism (ECD) spectroscopy in combination with the exciton chirality method and quantum-chemical ECD calculations. The root cultures likewise produced the known alkaloids dioncophylline A (8), 5'-O-demethyldioncophylline A (9), dioncopeltine A (10), habropetaline A (11), and 5'-O-methyldioncophylline D (12a/b), the naphthalene glucoside plumbaside A (2), and the naphthoquinones plumbagin (13), droserone (14), and 8-hydroxydroserone (15).
Collapse
Affiliation(s)
- Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Andreas Irmer
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Tobias Büttner
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Anu Schaumlöffel
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Guoliang Zhang
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Raina Seupel
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Doris Feineis
- Institute of Organic Chemistry, University of Würzburg , Am Hubland, D-97074 Würzburg, Germany
| | - Karin Fester
- Institute of Pharmacy, Research Group Pharmaceutical Biology, University of Leipzig , Johannisallee 21-23, D-04103 Leipzig, Germany
| |
Collapse
|