A meso–meso β-β β-β Triply Linked Subporphyrin Dimer

Yasuhiro Okuda; Norihito Fukui; Jinseok Kim; Taeyeon Kim; Hua Wei Jiang; Graeme Copley; Masaaki Kitano; Dongho Kim; Atsuhiro Osuka

doi:10.1002/anie.201707123

A meso–meso β-β β-β Triply Linked Subporphyrin Dimer

Yasuhiro Okuda, Norihito Fukui, Jinseok Kim, Taeyeon Kim, Hua Wei Jiang, Graeme Copley, Masaaki Kitano, Dongho Kim, Atsuhiro Osuka

Department of Chemistry

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

7 Citations (Scopus)

Abstract

A meso–meso β-β β-β triply linked subporphyrin dimer 6 was synthesized by stepwise reductive elimination of β-to-β doubly Pt^II-bridged subporphyrin dimer 9. Dimer 6 was characterized by spectroscopic and electrochemical measurements, theoretical calculations, and picosecond time-resolved transient absorption spectroscopy. X-ray diffraction analysis reveals that 6 has a bowl-shaped structure with a positive Gaussian curvature. Despite the curved structure, 6 exhibits a remarkably red-shifted absorption band at 942 nm and a small electrochemical HOMO–LUMO gap (1.35 eV), indicating an effectively conjugated π-electronic network.

Original language	English
Pages (from-to)	12317-12321
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	56
Issue number	40
DOIs	https://doi.org/10.1002/anie.201707123
Publication status	Published - 2017 Sep 25

Bibliographical note

Funding Information:
The work in Kyoto was supported by Grants-in-Aid from JSPS (Nos.: 25220802 (Scientific Research (S)), 16K13952 (Exploratory Research). N.F. acknowledges a JSPS Fellowship for Young Scientists. The work in Yonsei was supported by the Global Research Laboratory (GRL) Program funded by the Ministry of Science, ICT & Future, Korea (2013K1A1A2A02050183).

Publisher Copyright:
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)

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title = "A meso–meso β-β β-β Triply Linked Subporphyrin Dimer",

abstract = "A meso–meso β-β β-β triply linked subporphyrin dimer 6 was synthesized by stepwise reductive elimination of β-to-β doubly PtII-bridged subporphyrin dimer 9. Dimer 6 was characterized by spectroscopic and electrochemical measurements, theoretical calculations, and picosecond time-resolved transient absorption spectroscopy. X-ray diffraction analysis reveals that 6 has a bowl-shaped structure with a positive Gaussian curvature. Despite the curved structure, 6 exhibits a remarkably red-shifted absorption band at 942 nm and a small electrochemical HOMO–LUMO gap (1.35 eV), indicating an effectively conjugated π-electronic network.",

author = "Yasuhiro Okuda and Norihito Fukui and Jinseok Kim and Taeyeon Kim and Jiang, {Hua Wei} and Graeme Copley and Masaaki Kitano and Dongho Kim and Atsuhiro Osuka",

note = "Funding Information: The work in Kyoto was supported by Grants-in-Aid from JSPS (Nos.: 25220802 (Scientific Research (S)), 16K13952 (Exploratory Research). N.F. acknowledges a JSPS Fellowship for Young Scientists. The work in Yonsei was supported by the Global Research Laboratory (GRL) Program funded by the Ministry of Science, ICT & Future, Korea (2013K1A1A2A02050183). Publisher Copyright: {\textcopyright} 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

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doi = "10.1002/anie.201707123",

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AU - Okuda, Yasuhiro

AU - Fukui, Norihito

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AU - Kim, Taeyeon

AU - Jiang, Hua Wei

AU - Copley, Graeme

AU - Kitano, Masaaki

AU - Kim, Dongho

AU - Osuka, Atsuhiro

N1 - Funding Information: The work in Kyoto was supported by Grants-in-Aid from JSPS (Nos.: 25220802 (Scientific Research (S)), 16K13952 (Exploratory Research). N.F. acknowledges a JSPS Fellowship for Young Scientists. The work in Yonsei was supported by the Global Research Laboratory (GRL) Program funded by the Ministry of Science, ICT & Future, Korea (2013K1A1A2A02050183). Publisher Copyright: © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2017/9/25

Y1 - 2017/9/25

N2 - A meso–meso β-β β-β triply linked subporphyrin dimer 6 was synthesized by stepwise reductive elimination of β-to-β doubly PtII-bridged subporphyrin dimer 9. Dimer 6 was characterized by spectroscopic and electrochemical measurements, theoretical calculations, and picosecond time-resolved transient absorption spectroscopy. X-ray diffraction analysis reveals that 6 has a bowl-shaped structure with a positive Gaussian curvature. Despite the curved structure, 6 exhibits a remarkably red-shifted absorption band at 942 nm and a small electrochemical HOMO–LUMO gap (1.35 eV), indicating an effectively conjugated π-electronic network.

AB - A meso–meso β-β β-β triply linked subporphyrin dimer 6 was synthesized by stepwise reductive elimination of β-to-β doubly PtII-bridged subporphyrin dimer 9. Dimer 6 was characterized by spectroscopic and electrochemical measurements, theoretical calculations, and picosecond time-resolved transient absorption spectroscopy. X-ray diffraction analysis reveals that 6 has a bowl-shaped structure with a positive Gaussian curvature. Despite the curved structure, 6 exhibits a remarkably red-shifted absorption band at 942 nm and a small electrochemical HOMO–LUMO gap (1.35 eV), indicating an effectively conjugated π-electronic network.

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A meso–meso β-β β-β Triply Linked Subporphyrin Dimer

Abstract

Bibliographical note

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