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Chemistry. 2015 Apr 20;21(17):6400-8. doi: 10.1002/chem.201500138. Epub 2015 Mar 05.

Synthesis of onion-peel nanodendritic structures with sequential functional phosphorus diversity.

Chemistry (Weinheim an der Bergstrasse, Germany)

Nadia Katir, Nabil El Brahmi, Abdelkrim El Kadib, Serge Mignani, Anne-Marie Caminade, Mosto Bousmina, Jean Pierre Majoral

Affiliations

  1. Euromed Research Institute, Engineering Division, Euro-Mediterranean University of Fes (UEMF), Fès-Shore, Route de Sidi Hrazem, 30070 Fès (Morocco).

PMID: 25754619 DOI: 10.1002/chem.201500138

Abstract

The preparation of novel families of phosphorus-based macromolecular architectures called "onion peel" phosphorus nanodendritic systems is reported. This construct is based on the versatility of methods of synthesis using several building blocks and on the capability of these systems to undergo regioselective reactions within the cascade structure. Sustainable metal-free routes such as the Staudinger reaction or Schiff-base condensation, involving only water and nitrogen as byproducts, allow access to several dendritic macromolecules bearing up to seven different phosphorus units in their backbone, each of them featuring specific reactivity. The presence of the highly aurophilic P=N-P=S fragment enables selective ligation of Au(I) within the dendritic framework.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: dendrimers; gold; nanostructures; phosphorus; viologens

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