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Artykuły w czasopismach na temat „Synthesis of phosphorus dendrimers”

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Data publikacji: 19 października 2024

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1

Cejas-Sánchez, Joel, Anna Kajetanowicz, Karol Grela, Anne-Marie Caminade, and Rosa María Sebastián. "Strategies for the Preparation of Phosphorus Janus Dendrimers and Their Properties." Molecules 28, no. 14 (2023): 5570. http://dx.doi.org/10.3390/molecules28145570.

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Dendrimers, being highly branched monodispersed macromolecules, predominantly exhibit identical terminal functionalities within their structural framework. Nonetheless, there are instances where the presence of two distinct surface functionalities becomes advantageous for the fulfilment of specific properties. To achieve this objective, one approach involves implementing Janus dendrimers, consisting of two dendrimeric wedges terminated by dissimilar functionalities. The prevalent method for creating these structures involves the synthesis of dendrons that possess a core functionality that complements that of a second dendron, facilitating their coupling to generate the desired dendrimers. In this comprehensive review, various techniques employed in the fabrication of phosphorus-based Janus dendrimers are elucidated, displaying the different coupling methodologies employed between the two units. The advantages of phosphorus dendrimers over classic dendrimers will be shown, as the presence of at least one phosphorus atom in each generation allows for the easy monitoring of reactions and the confirmation of purity through a simple technique such as 31P NMR, as these structures typically exhibit easily interpretable patterns.

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2

Caminade, Anne-Marie. "Interplay between Nanoparticles and Phosphorus Dendrimers, and Their Properties." Molecules 28, no. 15 (2023): 5739. http://dx.doi.org/10.3390/molecules28155739.

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This review presents the state of the art of interactions between two different families of nanoobjects: nanoparticles—mainly metal nanoparticles, and dendrimers—mainly phosphorhydrazone dendrimers (or dendrons). The review firstly presents the encapsulation/protection of existing nanoparticles (organic or metallic) by phosphorus-based dendrimers and dendrons. In the second part, several methods for the synthesis of metal nanoparticles, thanks to the dendrimer that acts as a template, are presented. The properties of the associations between dendrimers and nanoparticles are emphasized throughout the review. These properties mainly concern the elaboration of diverse types of hybrid materials, some of them being used as sensitive chemosensors or biosensors. Several examples concerning catalysis are also given, displaying in particular the efficient recovery and reuse of the catalytic entities.

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3

Caminade, Anne-Marie, Kathleen I. Moineau-Chane Ching, and Béatrice Delavaux-Nicot. "The Usefulness of Trivalent Phosphorus for the Synthesis of Dendrimers." Molecules 26, no. 2 (2021): 269. http://dx.doi.org/10.3390/molecules26020269.

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Dendrimers are hyperbranched macromolecules, which are synthesized step-by-step by the repetition of a series of reactions. While many different types of dendrimers are known, this review focusses on the use of trivalent phosphorus derivatives (essentially phosphines and phosphoramidites) for the synthesis of dendrimers. The first part presents dendrimers constituted of phosphines at each branching point. The other parts display the use of trivalent phosphorus derivatives during the synthesis of dendrimers. Different types of reactions have been applied to phosphines. The very first examples of phosphorus-containing dendrimers were obtained by the alkylation of phosphines. Then, several families of dendrimers were elaborated by reaction of phosphoramidites. Such a type of reaction is the base of the solid phase synthesis of oligonucleotides; it has been applied in particular for the synthesis of dendrimers constituted of oligonucleotides. Finally, the Staudinger reaction between phosphines and azides afforded different families of dendrimers, and was at the origin of accelerated methods of synthesis of dendrimers. Besides, the reactivity of the P=N-P=S linkages created by this reaction led to very original dendritic structures.

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4

Caminade, Anne-Marie, Kathleen I. Moineau-Chane Ching, and Béatrice Delavaux-Nicot. "The Usefulness of Trivalent Phosphorus for the Synthesis of Dendrimers." Molecules 26, no. 2 (2021): 269. http://dx.doi.org/10.3390/molecules26020269.

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Dendrimers are hyperbranched macromolecules, which are synthesized step-by-step by the repetition of a series of reactions. While many different types of dendrimers are known, this review focusses on the use of trivalent phosphorus derivatives (essentially phosphines and phosphoramidites) for the synthesis of dendrimers. The first part presents dendrimers constituted of phosphines at each branching point. The other parts display the use of trivalent phosphorus derivatives during the synthesis of dendrimers. Different types of reactions have been applied to phosphines. The very first examples of phosphorus-containing dendrimers were obtained by the alkylation of phosphines. Then, several families of dendrimers were elaborated by reaction of phosphoramidites. Such a type of reaction is the base of the solid phase synthesis of oligonucleotides; it has been applied in particular for the synthesis of dendrimers constituted of oligonucleotides. Finally, the Staudinger reaction between phosphines and azides afforded different families of dendrimers, and was at the origin of accelerated methods of synthesis of dendrimers. Besides, the reactivity of the P=N-P=S linkages created by this reaction led to very original dendritic structures.

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5

Caminade, Anne-Marie, Jean-Pierre Majoral, Valérie Maraval, and Rosa-Maria Sebastián. "Phosphorus-Containing Dendrimers: Synthesis and Properties." Phosphorus, Sulfur, and Silicon and the Related Elements 177, no. 6-7 (2002): 1493–97. http://dx.doi.org/10.1080/10426500212217.

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6

Caminade, Anne-Marie, Valérie Maraval, Régis Laurent, et al. "Phosphorus dendrimers: from synthesis to applications." Comptes Rendus Chimie 6, no. 8-10 (2003): 791–801. http://dx.doi.org/10.1016/j.crci.2003.04.009.

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7

Gottis, Sébastien, Régis Laurent, Vincent Collière, and Anne-Marie Caminade. "Straightforward synthesis of gold nanoparticles by adding water to an engineered small dendrimer." Beilstein Journal of Nanotechnology 11 (July 28, 2020): 1110–18. http://dx.doi.org/10.3762/bjnano.11.95.

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A small water-soluble phosphorus-containing dendrimer was engineered for the complexation of gold(I) and for its reduction under mild conditions. Gold nanoparticles were obtained as colloidal suspensions simply and only when the powdered form of this dendrimer was dissolved in water, as shown by transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) analyses. The dendrimers acted simultaneously as mild reducers and as nanoreactors, favoring the self-assembly of gold atoms and promoting the growth and stabilization of isolated gold nanoparticles. Thus, an unprecedented method for the synthesis of colloidal suspensions of water-soluble gold nanoparticles was proposed in this work.

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8

Caminade, Anne-Marie, Artem Zibarov, Eduardo Cueto Diaz, et al. "Fluorescent phosphorus dendrimers excited by two photons: synthesis, two-photon absorption properties and biological uses." Beilstein Journal of Organic Chemistry 15 (September 24, 2019): 2287–303. http://dx.doi.org/10.3762/bjoc.15.221.

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Different types of two-photon absorbing (TPA) fluorophores have been synthesized and specifically functionalized to be incorporated in the structure of phosphorus dendrimers (highly branched macromolecules). The TPA fluorophores were included in the periphery as terminal functions, in the core, or in the branches of the dendrimer structures, respectively. Also the functionalization in two compartments (core and surface, or branches and surface) was achieved. The consequences of the location of the fluorophores on the fluorescence and TPA properties have been studied. Several of these TPA fluorescent dendrimers have water-solubilizing functions as terminal groups, and fluorophores at the core or in the branches. They have been used as fluorescent tools in biology for different purposes, such as tracers for imaging blood vessels of living animals, for determining the phenotype of cells, for deciphering the mechanism of action of anticancer compounds, and for safer photodynamic therapy.

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9

Apartsin, Evgeny K., Alya G. Venyaminova, Serge Mignani, Anne-Marie Caminade, and Jean-Pierre Majoral. "Synthesis of dissymmetric phosphorus dendrimers using an unusual protecting group." New Journal of Chemistry 42, no. 11 (2018): 8985–91. http://dx.doi.org/10.1039/c8nj01229f.

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10

Dib, Hanna, Jérémy Rebière, Cyrille Rebout, et al. "PEG-cored phosphorus dendrimers: Synthesis and functionalization." Results in Chemistry 4 (January 2022): 100304. http://dx.doi.org/10.1016/j.rechem.2022.100304.

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11

Sztandera, Krzysztof, Monika Marcinkowska, Michał Gorzkiewicz, et al. "In Search of a Phosphorus Dendrimer-Based Carrier of Rose Bengal: Tyramine Linker Limits Fluorescent and Phototoxic Properties of a Photosensitizer." International Journal of Molecular Sciences 21, no. 12 (2020): 4456. http://dx.doi.org/10.3390/ijms21124456.

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Photodynamic therapy (PDT) is a skin cancer treatment alternative to chemotherapy and radiotherapy. This method exploits three elements: a phototoxic compound (photosensitizer), light source and oxygen. Upon irradiation by light of a specific wavelength, the photosensitizer generates reactive oxygen species triggering the cascade of reactions leading to cell death. The positive therapeutic effect of PDT may be limited due to low solubility, low tumor specificity and inefficient cellular uptake of photosensitizers. A promising approach to overcome these obstacles involves the use of nanocarrier systems. The aim of this initial study was to determine the potential of the application of phosphorus dendrimers as carriers of a photosensitizer—rose bengal (RB). The primary goal involved the synthesis and in vitro studies of covalent drug–dendrimer conjugates. Our approach allowed us to obtain RB–dendrimer conjugates with the use of tyramine as an aromatic linker between the carrier and the drug. The compounds were characterized by FT-IR, 1H NMR, 13C NMR, 31P NMR, size and zeta potential measurements and spectrofluorimetric analysis. The dialysis to check the drug release from the conjugate, flow cytometry to specify intracellular uptake, and singlet oxygen generation assay were also applied. Finally, we used MTT assay to determine the biological activity of the tested compounds. The results of our experiments indicate that the conjugation of RB to phosphorus dendrimers via the tyramine linker decreases photodynamic activity of RB.

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12

Maraval, Valérie, Régis Laurent, Patrice Marchand, Anne-Marie Caminade, and Jean-Pierre Majoral. "Accelerated methods of synthesis of phosphorus-containing dendrimers." Journal of Organometallic Chemistry 690, no. 10 (2005): 2458–71. http://dx.doi.org/10.1016/j.jorganchem.2004.10.021.

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13

Moreno, Silvia, Aleksandra Szwed, Nabil El Brahmi, et al. "Synthesis, characterization and biological properties of new hybrid carbosilane–viologen–phosphorus dendrimers." RSC Advances 5, no. 33 (2015): 25942–58. http://dx.doi.org/10.1039/c5ra00960j.

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Hybrid carbosilane–viologen–phosphorus dendrimers were prepared, as an example of the synthetic “onion peel” approach, on the search of new physical–chemical and biological properties, respecting traditional dendritic architectures.

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14

Rouxel, Cédric, Olivier Mongin, Aurélien Hameau, et al. "BF2 complexes of 1,3-diketones on the surface of phosphorus dendrimers: synthesis and study of the photoluminescence properties." Canadian Journal of Chemistry 95, no. 9 (2017): 948–53. http://dx.doi.org/10.1139/cjc-2017-0135.

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Difluoroboron complexes of monomeric and dimeric diketones and of generations 0–4 of phosphorus dendrimers ended by diketone ligands are synthesized and characterized. Their photoluminescence properties are measured. All compounds exhibit an intense absorption band in the near UV region. Both model dimers and dendrimers show a marked hypsochromic shift of this absorption band compared with the monomeric difluoroboron complex. The fluorescence of the dioxaborine complex subunit in the multichromophoric dendritic architectures is quenched compared with the emission of the isolated monomeric fluorophore, presumably due to interactions between the terminal groups of dendrimers.

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15

Petriccone, Massimo, Régis Laurent, Cédric-Olivier Turrin, Rosa Maria Sebastián, and Anne-Marie Caminade. "Specific Bifunctionalization on the Surface of Phosphorus Dendrimers Syntheses and Properties." Organics 3, no. 3 (2022): 240–61. http://dx.doi.org/10.3390/org3030018.

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Dendrimers are highly branched macromolecules possessing, in most cases, identical terminal functions. However, it is sometimes desirable to have two types of surface functions in order to fulfil specific properties. The stochastic functionalization is frequently used for such purposes, but the presence of an uncontrolled number of each type of terminal function, albeit acceptable for research purposes, has no practical use. Thus, it is highly desirable to find strategies suitable for the precise grafting of two different functional groups on the surface of dendrimers. The easiest way, and the most widely used, consists in using a bifunctional monomer to be grafted to all of the surface functions of the dendrimers. Two other strategies are known but are rarely used: the modification of an existing function, to generate two functions, and the sequential grafting of one function then of a second function. The three methods are illustrated in this review with polyphosphorhydrazone (PPH) dendrimers, together with their properties as catalysts, for materials, and as biological tools.

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16

Magro, Germinal, Patrice Marchand, Rosa-María Sebastián, Carine Guyard-Duhayon, Anne-Marie Caminade, and Jean-Pierre Majoral. "Synthesis and Characterization of Phosphorus Dendrimers Containing Long, Conjugated Branches." European Journal of Organic Chemistry 2005, no. 7 (2005): 1340–47. http://dx.doi.org/10.1002/ejoc.200400679.

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17

Caminade, Anne-Marie, Régis Laurent, Cédric-Olivier Turrin, et al. "Phosphorus dendrimers as viewed by 31P NMR spectroscopy; synthesis and characterization." Comptes Rendus Chimie 13, no. 8-9 (2010): 1006–27. http://dx.doi.org/10.1016/j.crci.2010.03.008.

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18

Lartigue, Marie-Laure, Michael Slany, Anne-Marie Caminade, and Jean-Pierre Majoral. "Phosphorus-Containing Dendrimers: Synthesis of Macromolecules with Multiple Tri- and Tetrafunctionalization." Chemistry - A European Journal 2, no. 11 (1996): 1417–26. http://dx.doi.org/10.1002/chem.19960021114.

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19

Caminade, Anne-Marie, Valerie Maraval, Regis Laurent, and Jean-Pierre Majoral. "Organometallic Derivatives of Phosphorus-containing Dendrimers. Synthesis, Properties and Applications in Catalysis." Current Organic Chemistry 6, no. 8 (2002): 739–74. http://dx.doi.org/10.2174/1385272023374012.

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20

Khatri, A., and R. Bhateria. "Efficacy of Nanofertilizers Over Chemical Fertilizers in Boosting Agronomic Production." Nature Environment and Pollution Technology 22, no. 2 (2023): 767–76. http://dx.doi.org/10.46488/nept.2023.v22i02.019.

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Global agricultural production cannot catch the increasing population’s exigency. At different times, the world has faced food crises of varying intensity. Many steps have been taken after that to encounter the rising concerns. Nowadays, nanofertilizers are being experimented with as an alternative to conventional fertilizers. Nanofertilizers can be classified as macronutrients and micronutrients nanofertilizers. Synthesis of macronutrient nanofertilizers (nitrogen, phosphorus, potassium, calcium, magnesium, etc.) and micronutrient nanofertilizers (iron, boron, zinc, copper, silicon, etc.) can be done using chemical and green synthesis methods, which involves reducing agents, capping agents, dendrimers, microbial synthesis, solvents, and others. Composition of the nanofertilizers can be done using top-down and bottom-up approaches incorporating hydrocarbon polymer, dendrimers, microbes, etc., which decides their usage in various crops depending upon the requirement of the plant. Engineered nanofertilizers can improve crop yield by mitigating environmental pollution, environmental stress, and plant diseases. However, the unsystematic use of nanofertilizers can be a hurdle in its utilization. This article discusses various types of nanofertilizers with their unique properties and applications. Each category of nanofertilizers is explained considering their composition, particle size, concentrations applied, benefited plant species, and plant-growth enhancement aspects.

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21

Wei, Yiqian, Régis Laurent, Jean-Pierre Majoral, and Anne-Marie Caminade. "Synthesis and characterization of phosphorus-containing dendrimers bearing rhodamine derivatives as terminal groups." Arkivoc 2010, no. 10 (2010): 318–27. http://dx.doi.org/10.3998/ark.5550190.0011.a26.

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22

Iwan, A., H. Janeczek, M. Domanski, and P. Rannou. "Synthesis, mesomorphic behaviour and optoelectronic properties of phosphorus-based thermotropic liquid crystalline dendrimers." Liquid Crystals 37, no. 8 (2010): 1033–45. http://dx.doi.org/10.1080/02678291003782838.

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23

Padié, Clément, Maria Maszewska, Kinga Majchrzak, Barbara Nawrot, Anne-Marie Caminade, and Jean-Pierre Majoral. "Polycationic phosphorus dendrimers: synthesis, characterization, study of cytotoxicity, complexation of DNA, and transfection experiments." New J. Chem. 33, no. 2 (2009): 318–26. http://dx.doi.org/10.1039/b815259d.

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Brauge, Laurent, Gilles Vériot, Grégory Franc, Rodolphe Deloncle, Anne-Marie Caminade, and Jean-Pierre Majoral. "Synthesis of phosphorus dendrimers bearing chromophoric end groups: toward organic blue light-emitting diodes." Tetrahedron 62, no. 51 (2006): 11891–99. http://dx.doi.org/10.1016/j.tet.2006.09.093.

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Reinert, Philippe, Jean-Yves Chane-Ching, Lucy Bull, et al. "Influence of cationic phosphorus dendrimers on the surfactant-induced synthesis of mesostructured nanoporous silica." New J. Chem. 31, no. 7 (2007): 1259–63. http://dx.doi.org/10.1039/b613788c.

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26

Strasser, Paul, and Ian Teasdale. "Main-Chain Phosphorus-Containing Polymers for Therapeutic Applications." Molecules 25, no. 7 (2020): 1716. http://dx.doi.org/10.3390/molecules25071716.

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Polymers in which phosphorus is an integral part of the main chain, including polyphosphazenes and polyphosphoesters, have been widely investigated in recent years for their potential in a number of therapeutic applications. Phosphorus, as the central feature of these polymers, endears the chemical functionalization, and in some cases (bio)degradability, to facilitate their use in such therapeutic formulations. Recent advances in the synthetic polymer chemistry have allowed for controlled synthesis methods in order to prepare the complex macromolecular structures required, alongside the control and reproducibility desired for such medical applications. While the main polymer families described herein, polyphosphazenes and polyphosphoesters and their analogues, as well as phosphorus-based dendrimers, have hitherto predominantly been investigated in isolation from one another, this review aims to highlight and bring together some of this research. In doing so, the focus is placed on the essential, and often mutual, design features and structure–property relationships that allow the preparation of such functional materials. The first part of the review details the relevant features of phosphorus-containing polymers in respect to their use in therapeutic applications, while the second part highlights some recent and innovative applications, offering insights into the most state-of-the-art research on phosphorus-based polymers in a therapeutic context.

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27

Rolland, Olivier, Cédric-Olivier Turrin, Gérard Bacquet, et al. "Efficient synthesis of phosphorus-containing dendrimers capped with isosteric functions of amino-bismethylene phosphonic acids." Tetrahedron Letters 50, no. 18 (2009): 2078–82. http://dx.doi.org/10.1016/j.tetlet.2009.02.127.

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28

Caminade, Anne-Marie, Jean-Pierre Majoral, Valérie Maraval, Régis Laurent, and Bruno Donnadieu. "1,2,3,4-Heterohexatrienes as New Tools for Michael-Type Additions Usable for the Synthesis of Phosphorus Dendrimers." Synthesis 2003, no. 03 (2003): 0389–96. http://dx.doi.org/10.1055/s-2003-37356.

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29

Maraval, Valérie, Régis Laurent, Anne-Marie Caminade, and Jean-Pierre Majoral. "Phosphorus-Containing Dendrimers and Their Transition Metal Complexes as Efficient Recoverable Multicenter Homogeneous Catalysts in Organic Synthesis." Organometallics 19, no. 20 (2000): 4025–29. http://dx.doi.org/10.1021/om0005607.

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30

Launay, Nathalie, Anne-Marie Caminade, and Jean-Pierre Majoral. "Synthesis and Reactivity of Unusual Phosphorus Dendrimers. A Useful Divergent Growth Approach Up to the Seventh Generation." Journal of the American Chemical Society 117, no. 11 (1995): 3282–83. http://dx.doi.org/10.1021/ja00116a037.

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Franc, Grégory, Elena Badetti, Carine Duhayon, et al. "An efficient synthesis combining phosphorus dendrimers and 15-membered triolefinic azamacrocycles: towards the stabilization of platinum nanoparticles." New Journal of Chemistry 34, no. 3 (2010): 547. http://dx.doi.org/10.1039/b9nj00568d.

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32

Maraval, Valérie, Régis Laurent, Bruno Donnadieu, Monique Mauzac, Anne-Marie Caminade, and Jean-Pierre Majoral. "Rapid Synthesis of Phosphorus-Containing Dendrimers with Controlled Molecular Architectures: First Example of Surface-Block, Layer-Block, and Segment-Block Dendrimers Issued from the Same Dendron." Journal of the American Chemical Society 122, no. 11 (2000): 2499–511. http://dx.doi.org/10.1021/ja992099j.

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Gissibl, Anja, Clément Padié, Markus Hager, et al. "Synthesis and Application of Phosphorus Dendrimer Immobilized Azabis(oxazolines)." Organic Letters 9, no. 15 (2007): 2895–98. http://dx.doi.org/10.1021/ol071128p.

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Sebastián, Rosa-María, Jean-Claude Blais, Anne-Marie Caminade, and Jean-Pierre Majoral. "Synthesis and Photochemical Behavior of Phosphorus Dendrimers Containing Azobenzene Units within the Branches and/or on the Surface." Chemistry - A European Journal 8, no. 9 (2002): 2172. http://dx.doi.org/10.1002/1521-3765(20020503)8:9<2172::aid-chem2172>3.0.co;2-g.

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CAMINADE, A., and J. MAJORAL. "Phosphorus dendrimers possessing metallic groups in their internal structure (core or branches): Syntheses and properties." Coordination Chemistry Reviews 249, no. 17-18 (2005): 1917–26. http://dx.doi.org/10.1016/j.ccr.2005.01.021.

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36

Majoral, Jean-Pierre, Anne-Marie Caminade, Sonia Merino, Laurent Brauge, Daniel Taton, and Yves Gnanou. "Linear, hyperbranched, and dendrimer-like polymers containing phosphorus: synthesis and properties." Macromolecular Symposia 174, no. 1 (2001): 301–6. http://dx.doi.org/10.1002/1521-3900(200109)174:1<301::aid-masy301>3.0.co;2-f.

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Guo, Lijun, Jin Huang, Na Chen, et al. "Synthesis and ethylene oligomerization behavior of trinuclear nickel complex with phosphorus dendrimer." Transition Metal Chemistry 47, no. 1 (2021): 1–9. http://dx.doi.org/10.1007/s11243-021-00483-3.

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38

Brahmi, Younes, Nadia Katir, Mykhailo Ianchuk, et al. "Low temperature synthesis of ordered mesoporous stable anatase nanocrystals: the phosphorus dendrimer approach." Nanoscale 5, no. 7 (2013): 2850. http://dx.doi.org/10.1039/c3nr00058c.

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Dadapeer, E., B. Hari Babu, C. Suresh Reddy, and Naga Raju Charmarthi. "Synthesis, spectral characterization, electron microscopic study and thermogravimetric analysis of a phosphorus containing dendrimer with diphenylsilanediol as core unit." Beilstein Journal of Organic Chemistry 6 (August 11, 2010): 726–31. http://dx.doi.org/10.3762/bjoc.6.85.

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A phosphorus containing dendrimer with a diphenylsilanediol core was synthesized using a divergent method. Several types of reactions were performed on dendrons of several sizes, either at the level of the core or the surface. The giant Schiff’s base macro molecule possesses 12 imine bonds and 8 hydroxy groups on the terminal phenyl groups. The structures of the intermediate compounds were confirmed by IR, GCMS and 31P NMR. The final compound was characterized by 1H, 13C, 31P NMR, MALDI-TOF MS and CHN analysis. Scanning electron microscopic and thermogravimetric analysis/differential scanning calorimetric studies were also performed on the final dendritic molecule.

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40

Kazmierczak-Baranska, Julia, Aleksandra Pietkiewicz, Magdalena Janicka, et al. "Synthesis of a Fluorescent Cationic Phosphorus Dendrimer and Preliminary Biological Studies of Its Interaction with DNA." Nucleosides, Nucleotides and Nucleic Acids 29, no. 3 (2010): 155–67. http://dx.doi.org/10.1080/15257771003708462.

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41

Kracíková, Lucie, Ladislav Androvič, Iveta Potočková, et al. "Phosphorus-Containing Polymers as Sensitive Biocompatible Probes for 31P Magnetic Resonance." Molecules 28, no. 5 (2023): 2334. http://dx.doi.org/10.3390/molecules28052334.

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The visualization of organs and tissues using 31P magnetic resonance (MR) imaging represents an immense challenge. This is largely due to the lack of sensitive biocompatible probes required to deliver a high-intensity MR signal that can be distinguished from the natural biological background. Synthetic water-soluble phosphorus-containing polymers appear to be suitable materials for this purpose due to their adjustable chain architecture, low toxicity, and favorable pharmacokinetics. In this work, we carried out a controlled synthesis, and compared the MR properties, of several probes consisting of highly hydrophilic phosphopolymers differing in composition, structure, and molecular weight. Based on our phantom experiments, all probes with a molecular weight of ~3–400 kg·mol−1, including linear polymers based on poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC), poly(ethyl ethylenephosphate) (PEEP), and poly[bis(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)]phosphazene (PMEEEP) as well as star-shaped copolymers composed of PMPC arms grafted onto poly(amidoamine) dendrimer (PAMAM-g-PMPC) or cyclotriphosphazene-derived cores (CTP-g-PMPC), were readily detected using a 4.7 T MR scanner. The highest signal-to-noise ratio was achieved by the linear polymers PMPC (210) and PMEEEP (62) followed by the star polymers CTP-g-PMPC (56) and PAMAM-g-PMPC (44). The 31P T1 and T2 relaxation times for these phosphopolymers were also favorable, ranging between 1078 and 2368 and 30 and 171 ms, respectively. We contend that select phosphopolymers are suitable for use as sensitive 31P MR probes for biomedical applications.

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Furer, V. L., A. E. Vandyukov, V. Tripathi, J. P. Majoral, A. M. Caminade, and V. I. Kovalenko. "Synthesis and study of the vibrational spectra of a first generation phosphorus-containing dendrimer with pyridyl functional groups." Journal of Molecular Structure 1162 (June 2018): 1–9. http://dx.doi.org/10.1016/j.molstruc.2018.02.084.

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Dadapeer, Echchukattula, and Chamarthi Naga Raju. "Synthesis, spectroscopic characterisation, electron microscopic study and thermogravimetric analysis of a phosphorus-containing dendrimer with phloroglucinol as a core unit." Journal of Chemical Research 34, no. 11 (2010): 643–47. http://dx.doi.org/10.3184/030823410x12887232916505.

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MAJORAL, JEAN-PIERRE, ANNE-MARIE CAMINADE, and REGIS LAURENT. "PHOSPHORUS-CONTAINING DENDRIMERS." Phosphorus Research Bulletin 10 (1999): 679–84. http://dx.doi.org/10.3363/prb1992.10.0_679.

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Caminade, Anne-Marie. "Phosphorus dendrimers for nanomedicine." Chemical Communications 53, no. 71 (2017): 9830–38. http://dx.doi.org/10.1039/c7cc04949h.

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Dadapeer, Echchukattula, Syed Rasheed, and Chamarthi Naga Raju. "Synthesis, Spectral Characterization, Electron Microscopic Study and Influence on the Thermal Stability of Phosphorus-containing Dendrimer with a 4,4'-Sulphonyldiphenol at the Core." Bulletin of the Korean Chemical Society 32, no. 2 (2011): 498–502. http://dx.doi.org/10.5012/bkcs.2011.32.2.498.

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Caminade, Anne-Marie. "Phosphorus Dendrimers as Nanotools against Cancers." Molecules 25, no. 15 (2020): 3333. http://dx.doi.org/10.3390/molecules25153333.

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This review concerns the use of dendrimers, especially of phosphorhydrazone dendrimers, against cancers. After the introduction, the review is organized in three main topics, depending on the role played by the phosphorus dendrimers against cancers: (i) as drugs by themselves; (ii) as carriers of drugs; and (iii) as indirect inducer of cancerous cell death. In the first part, two main types of phosphorus dendrimers are considered: those functionalized on the surface by diverse organic derivatives, including known drugs, and those functionalized by diverse metal complexes. The second part will display the role of dendrimers as carriers of anticancer “drugs”, which can be either small molecules or anticancer siRNAs, or the combination of both. In the third part are gathered a few examples of phosphorhydrazone dendrimers that are not cytotoxic by themselves, but which under certain circumstances induce a cytotoxic effect on cancerous cells. These examples include a positive influence on the human immune system and the combination of bioimaging with photodynamic therapy properties.

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Caminade, Anne-Marie, Cédric-Olivier Turrin, and Jean-Pierre Majoral. "Biological properties of phosphorus dendrimers." New Journal of Chemistry 34, no. 8 (2010): 1512. http://dx.doi.org/10.1039/c0nj00116c.

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Majoral, Jean-Pierre, Anne-Marie Caminade, Regis Laurent, and Cedric-Olivier Turrin. "Phosphorus-Containing Dendrimers: Towards Applications." Phosphorus, Sulfur, and Silicon and the Related Elements 177, no. 6-7 (2002): 1481–84. http://dx.doi.org/10.1080/10426500212280.

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Caminade, Anne-Marie, and Jean-Pierre Majoral. "Nanomaterials Based on Phosphorus Dendrimers." Accounts of Chemical Research 37, no. 6 (2004): 341–48. http://dx.doi.org/10.1021/ar020077n.

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