Self-Assembled Dendrimers

Ma, Y. Kolomchin, S. V. Zimmerman, S. C. Supramolecular polymer chemistry Self-assembling dendrimers using the DDA AAD (GC-like) hydrogen bonding motif. J. Am. Chem. Soc. 2002,124, 13757-13769. 

Corbin, P. S. Lawless, L. J. Li, Z. Ma, Y Winner, M. J. Zimmerman, S. C. Discrete and polymeric self-assembled dendrimers Hydrogen bond-mediated assembly with high stability and high fidelity. Proc. Natl. Acad. Sci. U.S.A. 2002, 99, 5099-5104. 

Dendrimers must not necessarily be obtained by covalent synthesis. Self-assembled hexameric dendrimer 320 with a large cavity in which a guest molecule could be included was reported by Zimmerman and coworkers [13]. Interesting luminescent and redox-active self-assembled dendrimers 321 have... 

Linear Polymeric Supermolecules Supramolecular CROSS-LINKING Self-assembled Dendrimers, ARBOROLS... 

The self-assembled dendrimer carries 24 phthalimide groups (= protected amino groups) on its surface, which can be replaced also by other groups (e.g., dyes). Even larger structures should be available, using the whole spectrum of selectivities indicated above. 

For self-assembled dendrimers which are uniform in size but not necessarily in structure see Franz, A., Bauer, W. and Hirsch, A. (2005) Angew. Chem., 117, 1588-1592 Angew. Chem. Int. Ed., 44, 1564-1567. 

Zeng, F. Zimmerman, S.C. Kolotuchin. S.V. Reichert. D.E.C. Ma. Y. Supramolecular polymer chemistry Design. synthesis, characterization, and kinetics, thermodynamics. and fidelity of formation of self-assembled dendrimers. Tetrahedron 2002, 58. 825 - 843. 

Betancourt JE, Rivera JM (2008) Hexadecameric self-assembled dendrimers built from 2 -deoxyguanosine derivatives. Org Lett l(Xll) 2287-2290... 

As we have just seen, electrostatic interactions can reinforce the formation of axial base complexes in metalloporphyrins, but other thermodynamically favored processes, such as chelation around a bidentate base like pyrazine, can be used. This approach has led Kuroda to the preparation of self-assembled dendrimer-type structures 86-89 represented in Figure 13.50 ". In these structures, the zinc porphyrin dimer formed by multihydrogen bonding of tetracar-boxylate derivatives of TPP is considered as a chelate. 

SELF-ASSEMBLED DENDRIMERS, DENDRITIC, AND HIERARCHICAL STRUCTURES... 

Linear polymeric supermolecules - Supramolecular cross-linking - Self-assembled dendrimers, arborols,... 

Figure 30 Self-assembled dendrimers studied by Zimmerman and coworkers [104-106],...

Frdchet and coworkers [314] have recently described a similar self-assembly of benzyl ether dendrons, possessing carboxylic acid substituents at their focal points by metal-ligand coordination around a core of trivalent lanthanide metals (e.g., Er+, Eu", or Tb+ ). These self-assembled dendrimers were isolated by using ligand exchange reactions to produce structures derived from metal-ligand ionic interactions as shown in Figure 12. As a consequence,... 

Zimmerman SC, Ztaig F, Reichert EC, Kolotuchin SV (1996) Self-assembling dendrimers. Science 271 1095-1098... 

Bo Z, Zhang L, Wang Z, Zhang X, Shen J (1999) Investigation of self-assembled dendrimer complexes. Mater Sci Eng, C 10(1-2) 165-170... 

Roche C, Percec V (2013) Complex adaptable systems based on self-assembling dendrimers and dendrons Toward dynamic mateaials. Isr J Chem 53(l-2) 30-44. doi 10.1002/ijch. 201200099... 

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