Selective detection of minor prototropic tautomers in low-symmetry tetraazaporphyrin derivatives by the combined use of electronic absorption, MCD, and CI calculations

Kazuyuki Ishii; Hatsumi Itoya; Hideya Miwa; Nagao Kobayashi

doi:10.1039/b508500d

Selective detection of minor prototropic tautomers in low-symmetry tetraazaporphyrin derivatives by the combined use of electronic absorption, MCD, and CI calculations

Kazuyuki Ishii, Hatsumi Itoya, Hideya Miwa, Nagao Kobayashi

SCI - Chemistry

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

13 Citations (Scopus)

Abstract

A series of low-symmetry metal-free tetraazaporphyrin (TAP) derivatives, i.e. monobenzo-substituted (IH₂), adjacently dibenzo-substituted (2AdH₂), oppositely dibenzo-substituted (2OpH₂), and tribenzo-substituted (3H₂) TAP derivatives, has been investigated by the combined use of electronic absorption, MCD, and CI calculations, proving the existence of two prototropic tautomers in IH₂ and 3H₂.

Original language	English
Pages (from-to)	4586-4588
Number of pages	3
Journal	Chemical Communications
Issue number	36
DOIs	https://doi.org/10.1039/b508500d
Publication status	Published - 2005 Sep 28

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "A series of low-symmetry metal-free tetraazaporphyrin (TAP) derivatives, i.e. monobenzo-substituted (IH2), adjacently dibenzo-substituted (2AdH2), oppositely dibenzo-substituted (2OpH2), and tribenzo-substituted (3H2) TAP derivatives, has been investigated by the combined use of electronic absorption, MCD, and CI calculations, proving the existence of two prototropic tautomers in IH2 and 3H2.",

author = "Kazuyuki Ishii and Hatsumi Itoya and Hideya Miwa and Nagao Kobayashi",

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T1 - Selective detection of minor prototropic tautomers in low-symmetry tetraazaporphyrin derivatives by the combined use of electronic absorption, MCD, and CI calculations

AU - Ishii, Kazuyuki

AU - Itoya, Hatsumi

AU - Miwa, Hideya

AU - Kobayashi, Nagao

PY - 2005/9/28

Y1 - 2005/9/28

N2 - A series of low-symmetry metal-free tetraazaporphyrin (TAP) derivatives, i.e. monobenzo-substituted (IH2), adjacently dibenzo-substituted (2AdH2), oppositely dibenzo-substituted (2OpH2), and tribenzo-substituted (3H2) TAP derivatives, has been investigated by the combined use of electronic absorption, MCD, and CI calculations, proving the existence of two prototropic tautomers in IH2 and 3H2.

AB - A series of low-symmetry metal-free tetraazaporphyrin (TAP) derivatives, i.e. monobenzo-substituted (IH2), adjacently dibenzo-substituted (2AdH2), oppositely dibenzo-substituted (2OpH2), and tribenzo-substituted (3H2) TAP derivatives, has been investigated by the combined use of electronic absorption, MCD, and CI calculations, proving the existence of two prototropic tautomers in IH2 and 3H2.

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