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

Research output: Indexed journal article › Article › peer-review

20 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 - 1 Mar 2018
Externally published	Yes

Keywords

macrocycles
McMurry reaction
near-infrared absorption
porphycenes
rhodium

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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 - Cha, Won Young

AU - Moore, Matthew D.

AU - Brewster, James T.

AU - Zhao, Michael Y.

AU - Lynch, Vincent D.

AU - Kim, Dongho

AU - Sessler, Jonathan L.

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KW - macrocycles

KW - McMurry reaction

KW - near-infrared absorption

KW - porphycenes

KW - rhodium

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

Abstract

Keywords

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