Layer-Block Dendrimers with Alternating Thienylenevinylene and Phenylenevinylene Units

A series of new hybrid, layer-block π-conjugated dendrons and dendrimers with alternating thienylenevinylene and phenylenevinylene units has been prepared by means of an orthogonal and convergent-growth methodology that made use of the Horner–Wadsworth–Emmons (HWE) reaction. The placement of the thi...

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Bibliographic Details
Published in:Journal of organic chemistry 2012-07, Vol.77 (14), p.6223-6230
Main Authors: Hadad, Caroline, Garcı́a-Martı́nez, Joaquín C, Rodrı́guez-López, Julián
Format: Article
Language:English
Subjects:
Applied sciences
Chemistry
Dendrimers - chemical synthesis
Dendrimers - chemistry
Exact sciences and technology
Heterocyclic compounds
Heterocyclic compounds with o, s, se, te hetero atom and condensed derivatives
Molecular Structure
Noncondensed benzenic compounds
Organic chemistry
Organic polymers
Physicochemistry of polymers
Polymers with particular structures
Preparation, kinetics, thermodynamics, mechanism and catalysts
Preparations and properties
Vinyl Compounds - chemistry
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Summary:A series of new hybrid, layer-block π-conjugated dendrons and dendrimers with alternating thienylenevinylene and phenylenevinylene units has been prepared by means of an orthogonal and convergent-growth methodology that made use of the Horner–Wadsworth–Emmons (HWE) reaction. The placement of the thiophene and benzene rings can be accurately controlled to afford a large variety of dendritic structures, although access to compounds of high generation proved difficult. The optical properties of the synthesized dendrimers were determined by UV/vis and fluorescence spectroscopy, and the influence of the generation and nature of the core on the behavior of these materials was evaluated.
ISSN:0022-3263
1520-6904
DOI:10.1021/jo301054w