1
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Ragshaniya A, Kumar V, Tittal RK, Lal K. Nascent pharmacological advancement in adamantane derivatives. Arch Pharm (Weinheim) 2024; 357:e2300595. [PMID: 38128028 DOI: 10.1002/ardp.202300595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/17/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023]
Abstract
The adamantane moiety has attracted significant attention since its discovery in 1933 due to its remarkable structural, chemical, and medicinal properties. This molecule has a notable impact in the therapeutic field because of its "add-on" lipophilicity to any pharmacophoric moieties. As in the case of molecular hybridization, in which one pharmacophore is attached to another one(s) with a probability of increasing the biological activity, adding an adamantane unit improves the absorption distribution, metabolism and excretion properties of the resultant hybrid molecule. This review summarizes various reports highlighting the biological activities of adamantane-based synthetic compounds and their structure-activity relationship study. The information presented in this review may open up possible dimensions for adamantane-based drug development and discovery in the pharmaceutical industry after proper structural modifications.
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Affiliation(s)
- Aman Ragshaniya
- Department of Chemistry, Guru Jambheshwar University of Science & Technology, Hisar, Haryana, India
| | - Vijay Kumar
- Department of Chemistry, Guru Jambheshwar University of Science & Technology, Hisar, Haryana, India
| | - Ram Kumar Tittal
- Department of Chemistry, National Institute of Technology, Kurukshetra, Haryana, India
| | - Kashmiri Lal
- Department of Chemistry, Guru Jambheshwar University of Science & Technology, Hisar, Haryana, India
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2
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Land MA, Ren J, Roberts NJ, Bamford KL, Shayan M, Kutulska A, George T, Masuda JD, Chitnis SS. An Improved Synthesis of PN-adamantanoid Cages P 4 (NR) 6 and a Mechanistic Study of their Fourfold Oxidation. Chem Asian J 2023; 18:e202300561. [PMID: 37497841 DOI: 10.1002/asia.202300561] [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: 06/28/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 07/28/2023]
Abstract
Phosphorus-nitrogen (PN) adamantanoid cages are valuable precursors for materials chemistry, but their syntheses are based on harsh methods that sometimes require access to restricted reagents. We report a new and scalable synthesis of PN adamantanoid compounds by chlorosilane elimination between bis-silylated amines and phosphorus trichloride. We further study the mechanism of the recently-reported four-fold oxidation of such cages with Me3 SiN3 to yield tetravalent tetrahedral connectors for materials chemistry. Reaction monitoring and kinetic modelling revealed the key rate-limiting step, but attempts to accelerate this using Lewis acid additives were unsuccessful. Nevertheless, a new four-fold oxidized PN-adamantanoid cage has been prepared and structurally characterized.
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Affiliation(s)
- Michael A Land
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Jincheng Ren
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Nicholas J Roberts
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Karlee L Bamford
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Mohsen Shayan
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Anastasiia Kutulska
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
| | - Tanner George
- Department of Chemistry, Saint Mary's University, 923 Robie Street, Halifax, NS, B3H 3C3, Canada
| | - Jason D Masuda
- Department of Chemistry, Saint Mary's University, 923 Robie Street, Halifax, NS, B3H 3C3, Canada
| | - Saurabh S Chitnis
- Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, NS, B3H 4R2, Canada
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3
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Krafft MP, Riess JG. About Perfluoropolyhedranes, Their Electron-Accepting Ability and Questionable Supramolecular Hosting Capacity. Angew Chem Int Ed Engl 2023; 62:e202302942. [PMID: 37208990 DOI: 10.1002/anie.202302942] [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: 02/27/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/21/2023]
Abstract
Polyhedral molecules are appealing for their eye-catching architecture and distinctive chemistry. Perfluorination of such, often greatly strained, compounds is a momentous challenge. It drastically changes the electron distribution, structure and properties. Notably, small high-symmetry perfluoropolyhedranes feature a centrally located, star-shaped low-energy unoccupied molecular orbital that can host an extra electron within the polyhedral frame, thus producing a radical anion, without loss of symmetry. This predicted electron-hosting capacity was definitively established for perfluorocubane, the first perfluorinated Platonic polyhedrane to be isolated pure. Hosting atoms, molecules, or ions in such "cage" structures is, however, all but forthright, if not illusionary, offering no easy access to supramolecular constructs. While adamantane and cubane have fostered numerous applications in materials science, medicine, and biology, specific uses for their perfluorinated counterparts remain to be established. Some aspects of highly fluorinated carbon allotropes, such as fullerenes and graphite, are briefly mentioned for context.
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Affiliation(s)
- Marie Pierre Krafft
- Institut Charles Sadron (CNRS), University of Strasbourg, 23 rue du Loess., 67034, Strasbourg Cedex, France
| | - Jean G Riess
- Harangoutte Institute, 68160, Ste-Croix-aux-Mines, France
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4
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Ravi A, Pathigoolla A, Balan H, Gupta R, Raj G, Varghese R, Sureshan KM. Adamantoid Scaffolds for Multiple Cargo Loading and Cellular Delivery as β-Cyclodextrin Inclusion Complexes. Angew Chem Int Ed Engl 2023; 62:e202307324. [PMID: 37384430 DOI: 10.1002/anie.202307324] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/24/2023] [Accepted: 06/29/2023] [Indexed: 07/01/2023]
Abstract
There is huge demand for developing guests that bind β-CD and can conjugate multiple cargos for cellular delivery. We synthesized trioxaadamantane derivatives, which can conjugate up to three cargos per guest. 1 H NMR titration and isothermal titration calorimetry revealed these guests form 1 : 1 inclusion complexes with β-CD with association constants in the order of 103 M-1 . Co-crystallization of β-CD with guests yielded crystals of their 1 : 1 inclusion complexes as determined by single-crystal X-ray diffraction. In all cases, trioxaadamantane core is buried within the hydrophobic cavity of β-CD and three hydroxyl groups are exposed outside. We established biocompatibility using representative candidate G4 and its inclusion complex with β-CD (β-CD⊂G4), by MTT assay using HeLa cells. We incubated HeLa cells with rhodamine-conjugated G4 and established cellular cargo delivery using confocal laser scanning microscopy (CLSM) and fluorescence-activated cell sorting (FACS) analysis. For functional assay, we incubated HeLa cells with β-CD-inclusion complexes of G4-derived prodrugs G6 and G7, containing one and three units of the antitumor drug (S)-(+)-camptothecin, respectively. Cells incubated with β-CD⊂G7 displayed the highest internalization and uniform distribution of camptothecin. β-CD⊂G7 showed higher cytotoxicity than G7, camptothecin, G6 and β-CD⊂G6, affirming the efficiency of adamantoid derivatives in high-density loading and cargo delivery.
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Affiliation(s)
- Arthi Ravi
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
| | - Atchutarao Pathigoolla
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
| | - Haripriya Balan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
| | - Ria Gupta
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
| | - Gowtham Raj
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
| | - Reji Varghese
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
| | - Kana M Sureshan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram, Vithura, 695551, India
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5
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Freitag JS, Möser C, Belay R, Altattan B, Grasse N, Pothineni BK, Schnauß J, Smith DM. Integration of functional peptides into nucleic acid-based nanostructures. NANOSCALE 2023; 15:7608-7624. [PMID: 37042085 DOI: 10.1039/d2nr05429a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
In many applications such as diagnostics and therapy development, small peptide fragments consisting of only a few amino acids are often attractive alternatives to bulky proteins. This is due to factors such as the ease of scalable chemical synthesis and numerous methods for their discovery. One drawback of using peptides is that their activity can often be negatively impacted by the lack of a rigid, 3D stabilizing structure provided by the rest of the protein. In many cases, this can be alleviated by different methods of rational templating onto nanomaterials, which provides additional possibilities to use concepts of multivalence or rational nano-engineering to enhance or even create new types of function or structure. In recent years, nanostructures made from the self-assembly of DNA strands have been used as scaffolds to create functional arrangements of peptides, often leading to greatly enhanced biological activity or new material properties. This review will give an overview of nano-templating approaches based on the combination of DNA nanotechnology and peptides. This will include both bioengineering strategies to control interactions with cells or other biological systems, as well as examples where the combination of DNA and peptides has been leveraged for the rational design of new functional materials.
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Affiliation(s)
- Jessica S Freitag
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Christin Möser
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Robel Belay
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Basma Altattan
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | - Nico Grasse
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
| | | | - Jörg Schnauß
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
- Peter Debye Institute for Soft Matter Physics, Leipzig University, 04103 Leipzig, Germany
- Unconventional Computing Lab, UWE, Bristol, BS16 1QY, UK
| | - David M Smith
- Fraunhofer Institute for Cell Therapy and Immunology, 04103 Leipzig, Germany.
- Peter Debye Institute for Soft Matter Physics, Leipzig University, 04103 Leipzig, Germany
- Institute of Clinical Immunology, University of Leipzig Medical Faculty, 04103 Leipzig, Germany
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Semakin AN, Golovanov IS, Nelyubina YV, Sukhorukov AY. 1,4,6,10-Tetraazaadamantanes (TAADs) with N-amino groups: synthesis and formation of boron chelates and host–guest complexes. Beilstein J Org Chem 2022; 18:1424-1434. [DOI: 10.3762/bjoc.18.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/27/2022] [Indexed: 11/23/2022] Open
Abstract
A synthetic route to 1,4,6,10-tetraazaadamantanes (TAADs) bearing free and protected amino groups at the bridge N-atoms has been developed via intramolecular cyclotrimerization of C=N units in the corresponding tris(hydrazonoalkyl)amines. In a similar fashion, unsymmetrically substituted TAADs having both amino and hydroxy groups at the bridge N-atoms were prepared via a hitherto unknown co-trimerization of oxime and hydrazone groups. The use of N-TAAD derivatives as potential ligands and receptors was showcased through forming boron chelates and host–guest complexes with water and simple alcohols.
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7
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O,N,S-tris-chelating ligand scaffolds flanked with cyclohexyl or adamantyl substituents anchored with diorganotin(IV) moieties: synthesis, structures and cytotoxicity. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.120935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Bedard J, Roberts NJ, Shayan M, Bamford KL, Werner-Zwanziger U, Marczenko KM, Chitnis SS. (PNSiMe 3 ) 4 (NMe) 6 : A Robust Tetravalent Phosphaza-adamantane Scaffold for Molecular and Macromolecular Construction. Angew Chem Int Ed Engl 2022; 61:e202204851. [PMID: 35384216 DOI: 10.1002/anie.202204851] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Indexed: 01/03/2023]
Abstract
Tetraarylmethanes and adamantanes are important rigid covalent connectors that play a four-way scaffolding role in molecular and materials chemistry. We report the synthesis of a new tetravalent phosphaza-adamantane cage, (PNSiMe3 )4 (NMe)6 (2), that shows high thermal, air, and redox stability due to its geometry. It nevertheless participates in covalent four-fold functionalization reactions along its periphery. The combination of a robust core and reactive corona makes 2 a convenient inorganic scaffold upon which tetrahedral molecular and macromolecular chemistry can be constructed. This potential is demonstrated by the synthesis of a tetrakis(bis(phosphine)iminium) ion (in compound 3) and the first all P/N poly(phosphazene) network (5).
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Affiliation(s)
- Joseph Bedard
- Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Nicholas J Roberts
- Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Mohsen Shayan
- Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Karlee L Bamford
- Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Ulrike Werner-Zwanziger
- Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, B3H 4R2, Canada
| | | | - Saurabh S Chitnis
- Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, B3H 4R2, Canada
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9
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Bedard J, Roberts N, Shayan M, Bamford KL, Werner-Zwanziger U, Marczenko KM, Chitnis SS. (PNSiMe3)4(NMe)6: A Robust Tetravalent Phosphaza‐adamantane Scaffold for Molecular and Macromolecular Construction. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | | | | | | | | | | | - Saurabh S. Chitnis
- Dalhousie University Department of Chemistry Chemistry Building, 6274 Coburg Road B3H 4R2 Halifax CANADA
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10
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Villa M, Ceroni P, Fermi A. Tetrachromophoric Systems Based on Rigid Tetraphenylmethane (TPM) and Tetraphenylethylene (TPE) Scaffolds. Chempluschem 2022; 87:e202100558. [DOI: 10.1002/cplu.202100558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/01/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Marco Villa
- Universita di Bologna Department of Chemistry "Giacomo Ciamician" ITALY
| | - Paola Ceroni
- Universita di Bologna Depatment of Chemistry "G. Ciamician" ITALY
| | - Andrea Fermi
- Universita degli Studi di Bologna Dipartimento di Chimica Giacomo Ciamician Dipartimento di Chimica "Giacomo Ciamician" via Selmi 2 40126 Bologna ITALY
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11
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Abstract
Tertiary tetraols of adamantane (C10H16, Tricyclo[3.3.1.1(3,7)]decan) have been widely used for the synthesis of highly symmetric compounds with unique physical and chemical properties. The methods for one-stage simultaneously selective, deep, and cheap oxidation of adamantane to tetraols of different structures have not yet been developed. In this research, chemically simple, cheap, and environmentally friendly reagents are used and that is the first step in this direction. The conditions, under which the impact of a hydrogen peroxide water solution on adamantane dissolved in acetonitrile results in full conversion of adamantane and formation of a total 72% mixture of its tri-, tetra-, and penta-oxygenated products, predominantly poliols, have been found. Conversion and adamantane oxidation depth are shown to depend on the ratio of components of the water-acetonitrile solution and the method of oxidizer solution introduction when using the dimer form of 1:1 dimethylglyoxime and copper dichloride complex as a catalyst. Under the conditions of mass-spectrometry ionization by electrons (70 eV), fragmentation across three C–C bonds of the molecular ions framework of adamantane tertiary alcohols Ad(OH)n in the range n = 0–4 increases linearly with the rise of n.
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12
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Synthesis, structural and in vitro biological evaluation of diamondoid-decorated lipophilic organotin(IV) derivatives. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.121802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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13
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Soselia M, Lomidze M, Tabatadze T, Zurabishvili D, Trapaidze M, Samsoniya S. Synthesis of Novel N-(R)-2-(1-Adamantyl)-1H-Benzimidazole-5(6)- Carboxamide, Carbohydrazide and 1,3,4-Oxadiazole Derivatives. LETT ORG CHEM 2021. [DOI: 10.2174/1570178617999200812134408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A novel series of benzimidazole-5(6)-carboxamide 3a-g, carbohydrazide 5a-e and 1,3,4-
oxadiazole 6a-g derivatives bearing adamantane moiety were synthesized. The synthesis of benzimidazole
heterocycle was performed by direct condensation/cyclization reaction of 1-
adamantanecarboxylic acid with methyl 3,4-diaminobenzoate in Trimethylsilyl Polyphosphate (PPSE).
The obtained Methyl 2-(1-adamantyl)-1H-benzimidazole-5(6)-carboxylate was converted to desired
carboxamide and carbohydrazide derivatives in two different ways. In the first case, the synthesized ester
after hydrolysis was converted to an acid chloride and subsequently coupled with different aromatic
and heterocycle amines to give carboxamide derivatives. In the second case, treatment with hydrazine
hydrate gave corresponding 2-(1-adamantyl)-1H-benzimidazole-5(6)-carbohydrazide which was coupled
with some acyl chlorides to give appropriate carbohydrazide derivatives and with some aromatic
acids to give 1,3,4-oxadiazole derivatives.
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Affiliation(s)
- Marina Soselia
- Chemistry Department, Faculty of Exact and Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi,Georgia
| | - Medea Lomidze
- Chemistry Department, Faculty of Exact and Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi,Georgia
| | - Tamar Tabatadze
- Chemistry Department, Faculty of Exact and Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi,Georgia
| | - Davit Zurabishvili
- Chemistry Department, Faculty of Exact and Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi,Georgia
| | - Marina Trapaidze
- Chemistry Department, Faculty of Exact and Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi,Georgia
| | - Shota Samsoniya
- Chemistry Department, Faculty of Exact and Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi,Georgia
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Mono- and Diamination of 4,6-Dichloropyrimidine, 2,6-Dichloropyrazine and 1,3-Dichloroisoquinoline with Adamantane-Containing Amines. Molecules 2021; 26:molecules26071910. [PMID: 33805408 PMCID: PMC8037717 DOI: 10.3390/molecules26071910] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/19/2021] [Accepted: 03/24/2021] [Indexed: 11/16/2022] Open
Abstract
N-heteroaryl substituted adamantane-containing amines are of substantial interest for their perspective antiviral and psychotherapeutic activities. Chlorine atom at alpha-position of N-heterocycles has been substituted by the amino group using convenient nucleophilic substitution reactions with a series of adamantylalkylamines. The prototropic equilibrium in these compounds was studied using NMR spectroscopy. The introduction of the second amino substituent in 4-amino-6-chloropyrimidine, 2-amino-chloropyrazine, and 1-amino-3-chloroisoquinoline was achieved using Pd(0) catalysis.
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15
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Multipodal insulin mimetics built on adamantane or proline scaffolds. Bioorg Chem 2020; 107:104548. [PMID: 33358613 DOI: 10.1016/j.bioorg.2020.104548] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/29/2020] [Accepted: 12/07/2020] [Indexed: 12/27/2022]
Abstract
Multi-orthogonal molecular scaffolds can be applied as core structures of bioactive compounds. Here, we prepared four tri-orthogonal scaffolds based on adamantane or proline skeletons. The scaffolds were used for the solid-phase synthesis of model insulin mimetics bearing two different peptides on the scaffolds. We found that adamantane-derived compounds bind to the insulin receptor more effectively (Kd value of 0.5 μM) than proline-derived compounds (Kd values of 15-38 μM) bearing the same peptides. Molecular dynamics simulations suggest that spacers between peptides and central scaffolds can provide greater flexibility that can contribute to increased binding affinity. Molecular modeling showed possible binding modes of mimetics to the insulin receptor. Our data show that the structure of the central scaffold and flexibility of attached peptides in this type of compound are important and that different scaffolds should be considered when designing peptide hormone mimetics.
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16
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Ivleva EA, Morozova AI, Suchilin ID, Shiryaev AK, Klimochkin YN. Synthesis of Substituted Bridged Carboxylic Acids of the Adamantane Series. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1070428020080102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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17
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Pardali V, Giannakopoulou E, Balourdas DI, Myrianthopoulos V, Taylor MC, Šekutor M, Mlinarić-Majerski K, Kelly JM, Zoidis G. Lipophilic Guanylhydrazone Analogues as Promising Trypanocidal Agents: An Extended SAR Study. Curr Pharm Des 2020; 26:838-866. [DOI: 10.2174/1381612826666200210150127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 11/19/2019] [Indexed: 12/18/2022]
Abstract
In this report, we extend the SAR analysis of a number of lipophilic guanylhydrazone analogues with
respect to in vitro growth inhibition of Trypanosoma brucei and Trypanosoma cruzi. Sleeping sickness and Chagas
disease, caused by the tropical parasites T. brucei and T. cruzi, constitute a significant socioeconomic burden
in low-income countries of sub-Saharan Africa and Latin America, respectively. Drug development is underfunded.
Moreover, current treatments are outdated and difficult to administer, while drug resistance is an emerging
concern. The synthesis of adamantane-based compounds that have potential as antitrypanosomal agents is
extensively reviewed. The critical role of the adamantane ring was further investigated by synthesizing and testing
a number of novel lipophilic guanylhydrazones. The introduction of hydrophobic bulky substituents onto the
adamantane ring generated the most active analogues, illustrating the synergistic effect of the lipophilic character
of the C1 side chain and guanylhydrazone moiety on trypanocidal activity. The n-decyl C1-substituted compound
G8 proved to be the most potent adamantane derivative against T. brucei with activity in the nanomolar range
(EC50=90 nM). Molecular simulations were also performed to better understand the structure-activity relationships
between the studied guanylhydrazone analogues and their potential enzyme target.
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Affiliation(s)
- Vasiliki Pardali
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, GR-15771 Athens, Greece
| | - Erofili Giannakopoulou
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, GR-15771 Athens, Greece
| | - Dimitrios-Ilias Balourdas
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, GR-15771 Athens, Greece
| | - Vassilios Myrianthopoulos
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, GR-15771 Athens, Greece
| | - Martin C. Taylor
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, United Kingdom
| | - Marina Šekutor
- Department of Organic Chemistry and Biochemistry, Ruder Boskovic Institute, Bijenicka cesta 54, 10 000 Zagreb, Croatia
| | - Kata Mlinarić-Majerski
- Department of Organic Chemistry and Biochemistry, Ruder Boskovic Institute, Bijenicka cesta 54, 10 000 Zagreb, Croatia
| | - John M. Kelly
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, United Kingdom
| | - Grigoris Zoidis
- School of Health Sciences, Department of Pharmacy, Division of Pharmaceutical Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis-Zografou, GR-15771 Athens, Greece
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Hebishy AMS, Abdelfattah MS, Elmorsy A, Elwahy AHM. ZnO nanoparticles catalyzed synthesis of bis- and poly(imidazoles) as potential anticancer agents. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1726396] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Ali M. S. Hebishy
- Chemistry Department, Faculty of Science, Helwan University, Cairo, Egypt
| | | | - Abdullah Elmorsy
- Chemistry Department, Faculty of Science, Helwan University, Cairo, Egypt
| | - Ahmed H. M. Elwahy
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
- Department of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
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19
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Aloisi A, Christensen NJ, Sørensen KK, Guilbaud-Chéreau C, Jensen KJ, Bianco A. Synthesis and Characterization of Adamantane-Containing Heteropeptides with a Chirality Switch. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Adriano Aloisi
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry; ISIS; University of Strasbourg; UPR 3572 67000 Strasbourg France
| | - Niels Johan Christensen
- Department of Chemistry; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg Denmark
| | - Kasper K. Sørensen
- Department of Chemistry; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg Denmark
| | - Chloé Guilbaud-Chéreau
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry; ISIS; University of Strasbourg; UPR 3572 67000 Strasbourg France
| | - Knud J. Jensen
- Department of Chemistry; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg Denmark
| | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry; ISIS; University of Strasbourg; UPR 3572 67000 Strasbourg France
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20
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Diab HM, Abdelmoniem AM, Shaaban MR, Abdelhamid IA, Elwahy AHM. An overview on synthetic strategies for the construction of star-shaped molecules. RSC Adv 2019; 9:16606-16682. [PMID: 35516393 PMCID: PMC9064441 DOI: 10.1039/c9ra02749a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 05/07/2019] [Indexed: 12/21/2022] Open
Abstract
Strategies for the synthesis of star-shaped molecules have been in high demand in the last decades due to the importance of those compounds in various fields. The distinctly different properties of these compounds compared to their linear analogues make them versatile building blocks for the formation of mesophases of interesting mesomorphic and photophysical properties. Moreover, the applications of star-shaped molecules as building units for dendrimers as well as in supramolecular host-guest chemistry have also been recently studied. The star-shaped molecules mentioned in this review are classified according to the central core as well as the type of side arms. The properties and applications of these compounds are described in the appropriate contexts. This report summarizes the recent advances in this area.
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Affiliation(s)
- Hadeer M Diab
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
| | - Amr M Abdelmoniem
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
| | - Mohamed R Shaaban
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
| | | | - Ahmed H M Elwahy
- Chemistry Department, Faculty of Science, Cairo University Giza Egypt
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21
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Jiang W, Guo J, Wen W, Jia YG, Liu S. Nano-Carriers Based on pH-Sensitive Star-Shaped Copolymers for Drug-Controlled Release. MATERIALS 2019; 12:ma12101610. [PMID: 31100826 PMCID: PMC6566147 DOI: 10.3390/ma12101610] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/04/2019] [Accepted: 05/13/2019] [Indexed: 12/19/2022]
Abstract
Polymeric nano-carriers are considered as promising tools in biomedical applications due to multiple attractive characteristics including their low toxicity, high loading capacity, controlled drug release capabilities, and highly tunable chemical properties. Here, a series of pH-sensitive star-shaped copolymers, Ad-P[(EMA-co-MAA)-b-PPEGMA]4, was prepared via electron transfer atom radical polymerization (ARGETE ATRP) and selective hydrolysis. These star-shaped copolymers can be self-assembled into micelles (Dh = 150–160 nm) and their critical micelle concentrations (CMC) were estimated to be 3.9–5.0 mg/L. The pH-sensitiveness of the micelles was evidenced by transmission electron microscopy (TEM) and dynamic light scattering (DLS). The maximal paclitaxel (PTX) loading efficiency (DLC) and entrapment efficiency (EE) were 18.9% and 36%, respectively. In vitro release studies revealed that about 19% of the PTX released at an acidic condition of pH 1.2 over 70 h, whereas more than 70% was released within the same time interval at pH 6.8. In vitro cytotoxicity suggested that the low cytotoxicity of the blank micelles, while the PTX-loaded micelles providing the cytotoxicity close to that of free PTX. These results indicated that this novel pH-sensitive nano-carriers have great potential applications for oral drug-controlled release.
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Affiliation(s)
- Wenzhao Jiang
- School of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Jianwei Guo
- School of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Weiqiu Wen
- School of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Yong-Guang Jia
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Sa Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.
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22
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Cova TF, Milne BF, Pais AA. Host flexibility and space filling in supramolecular complexation of cyclodextrins: A free-energy-oriented approach. Carbohydr Polym 2019; 205:42-54. [DOI: 10.1016/j.carbpol.2018.10.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 10/03/2018] [Accepted: 10/03/2018] [Indexed: 12/20/2022]
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23
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24
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Abd El-Fatah NA, Darweesh AF, Mohamed AA, Abdelhamid IA, Elwahy AH. Experimental and theoretical study on the regioselective bis- and polyalkylation of 2-mercaptonicotinonitrile and 2-mercaptopyrimidine-5-carbonitrile derivatives. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.01.047] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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25
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Štimac A, Šekutor M, Mlinarić-Majerski K, Frkanec L, Frkanec R. Adamantane in Drug Delivery Systems and Surface Recognition. Molecules 2017; 22:molecules22020297. [PMID: 28212339 PMCID: PMC6155684 DOI: 10.3390/molecules22020297] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 01/19/2017] [Accepted: 02/11/2017] [Indexed: 11/30/2022] Open
Abstract
The adamantane moiety is widely applied in design and synthesis of new drug delivery systems and in surface recognition studies. This review focuses on liposomes, cyclodextrins, and dendrimers based on or incorporating adamantane derivatives. Our recent concept of adamantane as an anchor in the lipid bilayer of liposomes has promising applications in the field of targeted drug delivery and surface recognition. The results reported here encourage the development of novel adamantane-based structures and self-assembled supramolecular systems for basic chemical investigations as well as for biomedical application.
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Affiliation(s)
- Adela Štimac
- University of Zagreb, Centre for Research and Knowledge Transfer in Biotechnology, Rockefellerova 10, 10000 Zagreb, Croatia.
| | - Marina Šekutor
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Kata Mlinarić-Majerski
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Leo Frkanec
- Department of Organic Chemistry and Biochemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Ruža Frkanec
- University of Zagreb, Centre for Research and Knowledge Transfer in Biotechnology, Rockefellerova 10, 10000 Zagreb, Croatia.
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26
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Peterson IV, Svirskaya NM, Kondrasenko AA, Rubaylo AI. 1 H and 13 C NMR spectral assignments of novel adamantyl and di-adamantyl derivatives of 1,2-dihydroxynaphthalenes, 1,8-dihydroxynaphthalenes, 2,3-dihydroxynaphthalenes, 2,6-dihydroxynaphthalenes and 2,7-dihydroxynaphthalenes. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2016; 54:912-915. [PMID: 27371934 DOI: 10.1002/mrc.4477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 06/20/2016] [Accepted: 06/27/2016] [Indexed: 06/06/2023]
Affiliation(s)
- Ivan V Peterson
- Laboratory of Molecular Spectroscopy and Analysis, Institute of Chemistry and Chemical Technology of Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russian Federation.
| | - Nadezhda M Svirskaya
- Laboratory of Molecular Spectroscopy and Analysis, Institute of Chemistry and Chemical Technology of Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russian Federation
| | - Alexander A Kondrasenko
- Laboratory of Molecular Spectroscopy and Analysis, Institute of Chemistry and Chemical Technology of Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russian Federation
| | - Anatoliy I Rubaylo
- Laboratory of Molecular Spectroscopy and Analysis, Institute of Chemistry and Chemical Technology of Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russian Federation
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27
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Sayed SM, Lin BP, Yang H. Generation of liquid crystallinity from a Td-symmetry central unit. SOFT MATTER 2016; 12:6148-6156. [PMID: 27357571 DOI: 10.1039/c6sm01019a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A series of new columnar liquid crystals containing an adamantane central unit with its four bridgehead positions partially or fully decorated with different numbers (1-4) of 3,4,5-tris(dodecyloxy)phenyl carbamoyl groups were designed and investigated carefully to explore the structure-property correlations. The molecular structures and mesomorphic properties of the DLCs were characterized by (1)H-NMR, (13)C-NMR, IR, UV-vis, POM, DSC and XRD. It was found that the mesophase symmetry and thermal stability were extremely dependent on the structures of the adamantane derivatives. No mesophase was observed for the 1-adamantanecarboxylic acid derivative ADLC1, while two different mesophases were observed for ADLC2, a 1,3-disubstituted derivative functionalized with two 3,4,5-tris(dodecyloxy)phenyl carbamoyl groups at two symmetric bridgehead positions. At lower temperature ADLC2 exhibited a rectangular columnar phase, which switched to a square columnar phase possessing a wide temperature range. Similarly, a hexagonal columnar mesophase was observed for the bridgehead trisubstituted adamantane molecule ADLC3. Interestingly, the fully bridgehead-functionalized 1,3,5,7-tetrasubstituted adamantane compound ADLC4 completely lost liquid crystallinity.
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Affiliation(s)
- Sayed Mir Sayed
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Optoelectronic Functional Materials and Engineering Laboratory, Southeast University, Nanjing, 211189, China.
| | - Bao-Ping Lin
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Optoelectronic Functional Materials and Engineering Laboratory, Southeast University, Nanjing, 211189, China.
| | - Hong Yang
- School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Jiangsu Optoelectronic Functional Materials and Engineering Laboratory, Southeast University, Nanjing, 211189, China.
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28
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Mohamed MF, Darweesh AF, Elwahy AHM, Abdelhamid IA. Synthesis, characterization and antitumor activity of novel tetrapodal 1,4-dihydropyridines: p53 induction, cell cycle arrest and low damage effect on normal cells induced by genotoxic factor H2O2. RSC Adv 2016. [DOI: 10.1039/c6ra04974e] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Synthesis of novel tetrakis(2,6-dimethyl-4-phenyl-1,4-dihydropyridinyl)methanes5a–dby acid-catalyzed condensation of the tetrakis-aldehydes6a–dwith eight equivalents of 3-aminobut-2-enenitrile2is reported. Antitumor activities of compounds5a–dwere also investigated.
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Affiliation(s)
- Magda F. Mohamed
- Chemistry Department (Biochemistry Branch)
- Faculty of Science
- Cairo University
- Giza
- Egypt
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29
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Grillaud M, Ruiz de Garibay AP, Bianco A. Polycationic adamantane-based dendrons form nanorods in complex with plasmid DNA. RSC Adv 2016. [DOI: 10.1039/c6ra01281g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Different HYDRAmers are synthesized and complexed to a model plasmid DNA. Appropriate chemical modifications can improve efficiently the complexation to get HYDRAplexes, in form of long nanorods, with very good DNA binding and protecting properties.
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Affiliation(s)
- Maxime Grillaud
- CNRS
- Institut de Biologie Moléculaire et Cellulaire
- Immunopathologie et Chimie Thérapeutique
- 67000 Strasbourg
- France
| | - Aritz Perez Ruiz de Garibay
- CNRS
- Institut de Biologie Moléculaire et Cellulaire
- Immunopathologie et Chimie Thérapeutique
- 67000 Strasbourg
- France
| | - Alberto Bianco
- CNRS
- Institut de Biologie Moléculaire et Cellulaire
- Immunopathologie et Chimie Thérapeutique
- 67000 Strasbourg
- France
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30
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Wang XM, Guo QY, Han SY, Wang JY, Han D, Fu Q, Zhang WB. Stochastic/Controlled Symmetry Breaking of the T8-POSS Cages toward Multifunctional Regioisomeric Nanobuilding Blocks. Chemistry 2015; 21:15246-55. [DOI: 10.1002/chem.201502125] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Indexed: 02/02/2023]
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31
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Reznikov AN, Martynova NA, Sibiryakova AE, Klimochkin YN. Synthesis of α-Imino derivatives of 1-adamantylacetic and (3-hydroxy-1-adamantyl)acetic acids. RUSS J GEN CHEM+ 2015. [DOI: 10.1134/s1070363215090029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Abstract
Nanoscale materials hold great promise in the therapeutic field. In particular, as carriers or vectors, they help bioactive molecules reach their primary targets. Furthermore, by themselves, certain nanomaterials-regarded as protective-can modulate particular metabolic pathways that are deregulated in pathological situations. They can also synergistically improve the effects of a payload drug. These properties are the basis of their appeal. However, nanoscale materials can also have intrinsic properties that limit their use, and this is the case for certain types of nanomaterials that influence autophagy. This property can be beneficial in some pathological settings, but in others, if the autophagic flux is already accelerated, it can be deleterious. This is notably the case for systemic lupus erythematosus (SLE) and other chronic inflammatory diseases, including certain neurological diseases. The nanomaterial-autophagy interaction therefore must be treated with caution for therapeutic molecules and peptides that require vectorization for their administration.
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Affiliation(s)
- Alberto Bianco
- CNRS, Immunopathologie et chimie thérapeutique, Institut de Biologie Moléculaire et Cellulaire, UPR3572 CNRS, 15 rue René Descartes, 67000, Strasbourg, France
| | - Sylviane Muller
- CNRS, Immunopathologie et chimie thérapeutique, Institut de Biologie Moléculaire et Cellulaire, UPR3572 CNRS, 15 rue René Descartes, 67000, Strasbourg, France. .,University of Strasbourg, Institute for Advanced Study, 5 allée du Général Rouvillois, 67083, Strasbourg, France.
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33
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Russier J, Grillaud M, Bianco A. Elucidation of the Cellular Uptake Mechanisms of Polycationic HYDRAmers. Bioconjug Chem 2015; 26:1484-93. [DOI: 10.1021/acs.bioconjchem.5b00270] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Julie Russier
- CNRS, Institut de Biologie Moléculaire et Cellulaire, Immunopathologie et Chimie Thérapeutique, 67000 Strasbourg, France
| | - Maxime Grillaud
- CNRS, Institut de Biologie Moléculaire et Cellulaire, Immunopathologie et Chimie Thérapeutique, 67000 Strasbourg, France
| | - Alberto Bianco
- CNRS, Institut de Biologie Moléculaire et Cellulaire, Immunopathologie et Chimie Thérapeutique, 67000 Strasbourg, France
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