Creation from Confusion and Fusion in the Porphyrin World─ The Last Three Decades of N-Confused Porphyrinoid Chemistry

M Toganoh, H Furuta - Chemical Reviews, 2022 - ACS Publications
Confusion is a novel concept of isomerism in porphyrin chemistry, delivering a steady
stream of new chemistry since the discovery of N-confused porphyrin, a porphyrin mutant, in …

Organometallic chemistry confined within a porphyrin-like framework

MJ Białek, K Hurej, H Furuta… - Chemical Society …, 2023 - pubs.rsc.org
The world of modified porphyrins changed forever when an N-confused porphyrin (NCP), a
porphyrin isomer, was first published in 1994. The replacement of one inner nitrogen with a …

Expanded, contracted, and isomeric porphyrins: Theoretical aspects

J Mack - Chemical Reviews, 2017 - ACS Publications
The use of cyclic polyene perimeter-model approaches, such as Gouterman's four-orbital
model and Michl's perimeter model, to analyze trends in the electronic structures and optical …

Carbaporphyrinoid systems

TD Lash - Chemical reviews, 2017 - ACS Publications
Following immediately after the serendipitous discovery of N-confused porphyrins,
remarkably diverse carbaporphyrinoid systems have been synthesized and investigated. By …

Blooming of confused porphyrinoids—fusion, expansion, contraction, and more confusion

M Toganoh, H Furuta - Chemical Communications, 2012 - pubs.rsc.org
This article introduces an overview of progressively developing chemistry of N-confused
porphyrin and related macrocycles. Study on confusion results in discovery of fusion and …

Confusion approach to porphyrinoid chemistry

A Srinivasan, H Furuta - Accounts of chemical research, 2005 - ACS Publications
N-confused porphyrin (NCP) is a porphyrin isomer that is different largely from the parent
porphyrin, particularly in the physical, chemical, structural, and coordination properties …

Core modified porphyrins–a macrocyclic platform for organometallic chemistry

PJ Chmielewski, L Latos-Grażyński - Coordination chemistry reviews, 2005 - Elsevier
An alteration of a metalloporphyrin coordination core, exemplified by 21-heteroporphyrins
and 2-aza-21-carbaporphyrin (N-confused porphyrin, inverted porphyrin), provides a route …

Developments in the metal chemistry of N-confused porphyrin

JD Harvey, CJ Ziegler - Coordination chemistry reviews, 2003 - Elsevier
Since its discovery as a side product in acid catalyzed condensations in 1994, the metal
chemistry of N-confused porphyrins has grown exponentially. Due to the location of an …

Origin of aromatic character in porphyrinoid systems

TD Lash - Journal of Porphyrins and Phthalocyanines, 2011 - World Scientific
The aromatic nature of porphyrins is commonly attributed to the presence of an [18]
annulene substructure. However, this viewpoint has been disputed. Drawing on a range of …

Control of Cu (II) and Cu (III) states in N-confused porphyrin by protonation/deprotonation at the peripheral nitrogen

H Maeda, Y Ishikawa, T Matsuda… - Journal of the …, 2003 - ACS Publications
The square-planar structure of a diamagnetic Cu (III) complex of tetrakis (pentafluorophenyl)-
substituted N-confused porphyrin was elucidated by X-ray diffraction analysis. The facile …