Core-modified phthalocyanine analogues with a seven-membered ring unit in place of a five-membered ring unit

Soji Shimizu, Kaoru Uemura, Hua Zhu, Nagao Kobayashi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

A variety of phthalocyanine analogues with a seven-membered ring unit in place of a five-membered ring unit were synthesized from aromatic dicarbonitriles bearing cyano groups at 1,4-separate positions. Based on the spectroscopic analyses and theoretical calculations, tetraazachlorine-like electronic structures of these novel compounds stemming from severe twist of the conjugation system at the seven-membered ring unit have been revealed.

Original languageEnglish
Pages (from-to)579-581
Number of pages3
JournalTetrahedron Letters
Volume53
Issue number5
DOIs
Publication statusPublished - 2012 Feb 1

Keywords

  • Aromaticity
  • Electronic absorption
  • Magnetic circular dichroism
  • Phthalocyanine

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

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