An Expanded Porphycene with High NIR Absorptivity That Stabilizes Two Different Kinds of Metal Complexes

Gonzalo Anguera; Won Young Cha; Matthew D. Moore; James T. Brewster; Michael Y. Zhao; Vincent D. Lynch; Dongho Kim; Jonathan L. Sessler

doi:10.1002/anie.201711197

An Expanded Porphycene with High NIR Absorptivity That Stabilizes Two Different Kinds of Metal Complexes

Gonzalo Anguera, Won Young Cha, Matthew D. Moore, James T. Brewster, Michael Y. Zhao, Vincent D. Lynch, Dongho Kim, Jonathan L. Sessler

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

A new expanded porphycene with 26 π-electrons has been prepared by the McMurry coupling of 1,4-bis(3,4-diethyl-2-pyrryl)benzene dialdehyde. Expansion of the porphycene framework provides a ligand capable of stabilizing a bis(rhodium) and a monoruthenium complex. These new porphycene derivatives absorb strongly in the NIR spectral region, with appreciable absorptivity up to 1300 nm. On the basis of their ground- and excited-state spectroscopic features and structural parameters, both the free-base system and the bis(rhodium) complex are considered to be Hückel-type aromatic systems. This conclusion is supported by DFT calculations.

Original language	English
Pages (from-to)	2575-2579
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	57
Issue number	10
DOIs	https://doi.org/10.1002/anie.201711197
Publication status	Published - 2018 Mar 1

Bibliographical note

Funding Information:
G.A. thanks the Fundación Ramón Areces (Madrid, Spain) for a postdoctoral fellowship. This work was supported by the National Science Foundation (grant CHE-1402004 to J.L.S.) and the Robert A. Welch Foundation (F-0018 to J.L.S.). The work at Yonsei University was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MEST; 2016R1E1A1A01943379). J.T.B. thanks the NSF for an EAPSI fellowship.

Publisher Copyright:
© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)

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10.1002/anie.201711197

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abstract = "A new expanded porphycene with 26 π-electrons has been prepared by the McMurry coupling of 1,4-bis(3,4-diethyl-2-pyrryl)benzene dialdehyde. Expansion of the porphycene framework provides a ligand capable of stabilizing a bis(rhodium) and a monoruthenium complex. These new porphycene derivatives absorb strongly in the NIR spectral region, with appreciable absorptivity up to 1300 nm. On the basis of their ground- and excited-state spectroscopic features and structural parameters, both the free-base system and the bis(rhodium) complex are considered to be H{\"u}ckel-type aromatic systems. This conclusion is supported by DFT calculations.",

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AU - Zhao, Michael Y.

AU - Lynch, Vincent D.

AU - Kim, Dongho

AU - Sessler, Jonathan L.

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An Expanded Porphycene with High NIR Absorptivity That Stabilizes Two Different Kinds of Metal Complexes

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