Porphyrin Atropisomerism as a Molecular Engineering Tool in Medicinal Chemistry, Molecular Recognition, Supramolecular Assembly, and Catalysis

S Maguire, G Strachan, K Norvaiša… - … A European Journal, 2024 - Wiley Online Library
Porphyrin atropisomerism, which arises from restricted σ‐bond rotation between the
macrocycle and a sufficiently bulky substituent, was identified in 1969 by Gottwald and …

Realization of stacked-ring aromaticity in a water-soluble micellar capsule

SY Liu, N Kishida, J Kim, N Fukui… - Journal of the …, 2022 - ACS Publications
Stacked-ring aromaticity arising from the close stacking of antiaromatic π-systems has
recently received considerable attention. Here, we realize stacked-ring aromaticity via a …

Three-dimensional aromaticity in an antiaromatic cyclophane

R Nozawa, J Kim, J Oh, A Lamping, Y Wang… - Nature …, 2019 - nature.com
Understanding of interactions among molecules is essential to elucidate the binding of
pharmaceuticals on receptors, the mechanism of protein folding and self-assembling of …

meso-Oxoisocorroles: Tunable Antiaromaticity by Metalation and Coordination of Lewis Acids as Well as Aromaticity Reversal in the Triplet Excited State

K Ueta, J Kim, S Ooi, J Oh, J Shin, A Nakai… - Journal of the …, 2021 - ACS Publications
The corrole derivative meso-oxoisocorrole has been theoretically predicted to be
antiaromatic, despite its formally cross conjugated electronic system. In this study, this …

Tetrabromo[36]octaphyrin: A Promising Precursor of Directly Fused Porphyrin(2.1.1.1) Dimer and meso‐α Fused N‐Confused Porphyrin Dimer

A Nakai, J Kim, T Tanaka, D Kim… - Angewandte Chemie, 2021 - Wiley Online Library
Abstract 3, 7, 23, 27‐Tetrabromo [36] octaphyrin 2 was synthesized as a novel octaphyrin
bearing two meso‐free positions. Surprisingly, its ZnII and NiII complexation reactions …

Directly Diphenylborane‐Fused Porphyrins

K Fujimoto, J Oh, H Yorimitsu, D Kim… - Angewandte Chemie …, 2016 - Wiley Online Library
Abstract Mono‐and bis (diphenylborane)‐fused porphyrins were synthesized from the
corresponding β‐(2‐trimethylsilylphenyl)‐substituted porphyrins through the sequence of Si …

Solid state mononuclear divalent nickel spin crossover complexes

OA Qamar, C Cong, H Ma - Dalton Transactions, 2020 - pubs.rsc.org
Spin crossover complexes containing 3d4–3d7 transition metal ions with tunable electronic
configurations in appropriate ligand field environments have been extensively investigated …

Synthesis of Di‐peri‐dinaphthoporphyrins by PtCl2‐Mediated Cyclization of Quinodimethane‐type Porphyrins

M Umetani, K Naoda, T Tanaka, SK Lee… - Angewandte Chemie …, 2016 - Wiley Online Library
Di‐peri‐dinaphthoporphyrins can be regarded as a key and common substructure of fused
porphyrinoids. PtCl2‐mediated cycloisomerization reaction of quinodimethane‐type …

Chirogenesis in Zinc Porphyrins: Theoretical Evaluation of Electronic Transitions, Controlling Structural Factors and Axial Ligation

I Osadchuk, R Aav, V Borovkov, E Clot - ChemPhysChem, 2021 - Wiley Online Library
In the present work, sixteen different zinc porphyrins (possessing different meso
substituents) with and without a chiral guest were modelled using DFT and TD‐DFT …

Nickel (ii) monobenzoporphyrins and chlorins: synthesis, electrochemistry and anion sensing properties

S Kumar, N Chaudhri, WR Osterloh, KM Kadish… - Dalton …, 2021 - pubs.rsc.org
A series of nickel (II) monobenzochlorins (MBCs) and monobenzoporphyrins (MBPs)
containing β-appended or meso, β-fused indanedione (IND) or malononitrile (MN) groups …