Advances in the chemistry of dendrimers

Sowińska, Marta; Urbańczyk‐Lipkowska, Zofia

doi:10.1039/c3nj01239e

Cited by 178 publications

(113 citation statements)

References 157 publications

(86 reference statements)

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“…Schematic diagram illustrating the synthesis of dendrimers according to the divergent synthetic strategy. 30 © The Royal Society of Chemistry. Reproduced by permission of The Royal Society of Chemistry.…”

Section: Classic Synthetic Routes Of Dendrimersmentioning

confidence: 98%

“…A G4 dendrimer was produced after a two-fold iteration of this twostep sequence, which was coupled to a trifunctional core to give rise to a final G4 dendrimer in the last step. 30 It is worth noting that the divergent and convergent methods are complementary and most of the dendrimers can be prepared by a combination of these two methods. The other synthetic methods for the synthesis of dendrimers which have appeared recently include a double-stage convergent growth approach (known as well as "hypercore" method), 34 "hypermonomer" approach (known as well as the branched-monomer method), 35 double-exponential growth approach, 36 and orthogonal coupling approach (known as well as the iterative two-step approach, the double-monomer methodology, and the AB2/CD2 dendritic growth approach).…”

Section: Classic Synthetic Routes Of Dendrimersmentioning

confidence: 99%

“…Particularly, the PdPt DENs are very stable, and can maintain their stability in solution for half of a year without any sign of aggregation or color variation. The size of the obtained G4-OH [(Pd) 30 (Pt) 10 ] DENs was determined by bright-field, high-resolution transmission electron microscopy (HRTEM) and the particle sizewas found to be very small, being 1.9 § 0.4 nm in diameter (Fig. 4a).…”

Section: Co-complexationmentioning

confidence: 99%

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Bimetallic Dendrimer-encapsulated Nanoparticle Catalysts

Wang

Rempel

2016

Polymer Reviews

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Bimetallic dendrimer-encapsulated nanoparticles (DENs) have been receiving a significant amount of attention due to their promising properties, unique characteristics, and novel applications in catalysis and other advanced "nano-" science and technology areas. Bimetallic DENs catalysts, as reviewed here, have shown a higher catalytic activity than the monometallic DENs in various catalytic systems. In this review, a general background for the dendrimer is first presented, which is then followed by an introduction of two major routes that are most often adopted in the preparation of dendrimers: divergent method and convergent method. Then, recent research advances in the synthesis, characterization, and catalytic applications of bimetallic DENs are summarized and highlighted in this article. A conclusion is then provided.

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Section: Classic Synthetic Routes Of Dendrimersmentioning

confidence: 98%

Section: Classic Synthetic Routes Of Dendrimersmentioning

confidence: 99%

Section: Co-complexationmentioning

confidence: 99%

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Bimetallic Dendrimer-encapsulated Nanoparticle Catalysts

Wang

Rempel

2016

Polymer Reviews

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“…However, it is often desirable to have two (or more) types of functions present in a single dendrimer. Some examples of such multifunctional dendrimers have been displayed in a recent review, essentially centered on organic dendrimers [6]. In the present review, we will emphasize the multiple possibilities offered by "inorganic" dendrimers (i.e., with inorganic elements at each branching point) [7], especially phosphorus-containing dendrimers, for the synthesis of diverse types of bifunctional dendritic structures.…”

Section: Introductionmentioning

confidence: 99%

Bifunctional Phosphorus Dendrimers and Their Properties

Caminade

Majoral

2016

Molecules

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Dendrimers are hyperbranched and monodisperse macromolecules, generally considered as a special class of polymers, but synthesized step-by-step. Most dendrimers have a uniform structure, with a single type of terminal function. However, it is often desirable to have at least two different functional groups. This review will discuss the case of bifunctional phosphorus-containing dendrimers, and the consequences for their properties. Besides the terminal functions, dendritic structures may have also a function at the core, or linked off-center to the core, or at the core of dendrons (dendritic wedges). Association of two dendrons having different terminal functions leads to Janus dendrimers (two faces). The internal structure can also possess functional groups on one layer, or linked to one layer, or on several layers. Finally, there are several ways to have two types of terminal functions, besides the case of Janus dendrimers: either each terminal function bears two functions sequentially, or two different functions are linked to each terminal branching point. Examples of each type of structure will be given in this review, as well as practical uses of such sophisticated structures in the fields of fluorescence, catalysis, nanomaterials and biology.

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“…Macromolecular systems with a high amount of branching units continue to attract high attention [1][2][3][4][5][6][7]. Typical representatives of such systems are hyperbranched polymers and dendrimers.…”

Section: Introductionmentioning

confidence: 99%

Relaxation Dynamics of Semiflexible Fractal Macromolecules

Mielke

Dolgushev

2016

Polymers

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Abstract:We study the dynamics of semiflexible hyperbranched macromolecules having only dendritic units and no linear spacers, while the structure of these macromolecules is modeled through T-fractals. We construct a full set of eigenmodes of the dynamical matrix, which couples the set of Langevin equations. Based on the ensuing relaxation spectra, we analyze the mechanical relaxation moduli. The fractal character of the macromolecules reveals itself in the storage and loss moduli in the intermediate region of frequencies through scaling, whereas at higher frequencies, we observe the locally-dendritic structure that is more pronounced for higher stiffness.

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Advances in the chemistry of dendrimers

Cited by 178 publications

References 157 publications

Bimetallic Dendrimer-encapsulated Nanoparticle Catalysts

Bimetallic Dendrimer-encapsulated Nanoparticle Catalysts

Bifunctional Phosphorus Dendrimers and Their Properties

Relaxation Dynamics of Semiflexible Fractal Macromolecules

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