Copper 1,19-Diaza-21,24-dicarbacorrole: A Corrole Analogue with an N−N Linkage Stabilizes a Ground-State Singlet Organocopper Species

Biju Basumatary, Ikuho Hashiguchi, Shigeki Mori, Soji Shimizu, Masatoshi Ishida, Hiroyuki Furuta

Research output: Contribution to journalArticle

Abstract

A copper complex of a heterocorrole analogue with an N–N linkage, 1,19-diaza-21,24-dicarbadibenzocorrole (Cu-5), was successfully synthesized via oxidative metalation–cyclization of a tetrapyrrolic precursor. The N–N linkage in the skeleton of Cu-5, which serves as a mediator of π-electron delocalization, features an 18π aromatic system. The electronic structure of Cu-5 is best described as a ground-state singlet species stabilized by the distinct NNCC coordination core. This finding shows how the ligand's design can be used to modulate the Cu (Formula presented.) orbital energy, thereby making such compounds invaluable for copper-based catalytic applications.

Original languageEnglish
Pages (from-to)15897-15901
Number of pages5
JournalAngewandte Chemie - International Edition
Volume59
Issue number37
DOIs
Publication statusPublished - Sep 7 2020

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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