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Dendrimers with Oligospiroketal (OSK) Building Blocks: Synthesis and Properties

  • The development of novel dendrimers containing oligospiroketal (OSK) rods as building blocks is described. The linkage between the core unit (CU), branching units (BU), and OSK rods relies on the CuAAC reaction between terminal alkynes and azides. Two different strategies of dendrimer synthesis were investigated and it was found that the convergent approach is clearly superior to the divergent one. SAXS measurements and MD simulations indicate that the obtained dendrimer features a globular structure with very low density. Obviously, the OSK rods stabilize a rather loose mass-fractal structure.

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Metadaten
Author:Pablo WessigORCiDGND, Dennis Budach, Andreas F. Thünemann
DOI:https://doi.org/10.1002/chem.201501386
ISSN:0947-6539 (print)
ISSN:1521-3765 (online)
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=26094735
Parent Title (English):Chemistry - a European journal
Publisher:Wiley-VCH
Place of publication:Weinheim
Document Type:Article
Language:English
Year of first Publication:2015
Year of Completion:2015
Release Date:2017/03/27
Tag:SAXS; click chemistry; dendrimers; molecular rods; oxygen heterocycles
Volume:21
Issue:29
Pagenumber:6
First Page:10466
Last Page:10471
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Peer Review:Referiert