Issue 28, 2019

Synthesis and photophysical properties of novel pyrene–metalloporphyrin dendritic systems

Abstract

A novel series of dendronized porphyrins bearing pyrene units in the periphery (Porph-O-Gn) and their metal complexes (M-[Porph-O-Gn]) are reported. The pyrene-containing Frechet-type dendrons up to the first generation were synthesized and further reacted with 5-phenol-10,15,20-triphenylporphyrin via an esterification reaction to afford the desired pyrene-labeled dendronized porphyrins. Later, these compounds were used as ligands to produce the corresponding complexes of Zn2+, Cu2+, Mg2+ and Mn3+. With the compounds in hand, the optical and photophysical properties of the dendritic metalloporphyrins were studied by absorption and fluorescence spectroscopy. The quantum yields, Förster radius and efficiency of energy transfer were determined and discussed as a function of the structure and the donor–acceptor distances, finding an efficient energy transfer from the pyrene moiety to the metallated porphyrin core in each case.

Graphical abstract: Synthesis and photophysical properties of novel pyrene–metalloporphyrin dendritic systems

Supplementary files

Article information

Article type
Paper
Submitted
26 Ақп. 2019
Accepted
07 Мам. 2019
First published
07 Мам. 2019

Dalton Trans., 2019,48, 10435-10447

Synthesis and photophysical properties of novel pyrene–metalloporphyrin dendritic systems

S. M. Rojas-Montoya, M. Vonlanthen, P. Porcu, G. Flores-Rojas, A. Ruiu, D. Morales-Morales and E. Rivera, Dalton Trans., 2019, 48, 10435 DOI: 10.1039/C9DT00855A

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements