Three-dimensional aromaticity arising from the close stacking of two antiaromatic π-conjugated macrocycles has recently received considerable attention. Here, a cyclophane consisting of two antiaro...

A π-conjugated molecule with one electronic spin often forms a π-stacked dimer through molecular orbital interactions between two unpaired electrons. The bonding is recognized as a multicentered...

Recent studies have theoretically and experimentally demonstrated that antiaromatic molecules with 4n π electrons exhibit stacked aromaticity according to π–π stacking when arranged in a face-to-face...

A bowl-shaped antiaromatic molecule was synthesized by deformation of a planar antiaromatic π-conjugation system upon insertion of palladium into the small cavity of a metal-free norcorrole. The...

The aromaticity of cyclic π-conjugated organometallic compounds is known as metallaaromaticity. π-Conjugated metallacycles, such as metallabenzenes and metallapentalenes, have been investigated in...

Nature - The synthesis of alkane hydrocarbons containing extremely long carbon–carbon (C–C) bonds, the longest observed in alkanes to date, is reported. Long C–C bonds are usually...

A single water molecule trapped within fullerene cages has been found to modulate the chemical and physical nature of exohedral cages as well as to exhibit

A radical cation, generated from an extended π-conjugated thiophene 6-mer composed of four ethynylene-thienylene and two vinylene-thienylene units, was observed to form a stable three-dimensional...

Here we report the synthesis of two polyhelicene frameworks consisting, from end-to-end, of 18 and 24 fused benzene rings. The latter exhibits the largest electronic circular dichroism in the visible...

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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 rational supramolecu...

Subporphyrin free bases, with bowl-like bent structures and distinct 14π-aromaticity, have been synthesized by Suzuki–Miyaura coupling. Steady-state and time-resolved spectroscopic studies have...

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Research History See my CV.  Representative Research Achievements Synthesis of Bicyclo[1.1.1]p...

Incorporation of main group elements into the π-conjugated frameworks is a sophisticated strategy to alter the fundamental nature of the parent conjugated π-systems, giving rise to attractive...

In this Feature Article, we summarize the synthetic progress of hetero[8]circulenes, focusing on their structures and intrinsic properties. Various hetero[8]circulenes have been synthesized to date,...

We have demonstrated site-selective radical reactions of the kinetically stable open-shell singlet diradicaloids difluoreno[3,4-b:4′,3′-d]thiophene (DFTh) and difluoreno[3,4-b:4′,3′-d]furan (DFFu)...

A transition-metal catalyzed alkyne benzannulation allowed an unprecedented synthesis of circumpyrene, starting from 3,11-dibromo-6,14-dimesityldibenzo[hi,st]ovalene (DBOV). The circumpyrene was...

[16]Norcorrole is an antiaromatic ring-contracted porphyrinoid. Here, we show that the phosphorus insertion of the free-base [16]norcorrole switches its antiaromaticity to aromaticity. The treatment...

Three-dimensional aromaticity arising from the close stacking of two antiaromatic π-conjugated macrocycles has recently received considerable attention. Here, a cyclophane consisting of two antiaro...

We have synthesized 1,3,7,9-tetrapivaloxy-2,8-diazaperylene through reductive aromatization of anthracene diimide in the presence of zinc powder and pivalic anhydride. The pivaloxy groups were...

A π-conjugated molecule with one electronic spin often forms a π-stacked dimer through molecular orbital interactions between two unpaired electrons. The bonding is recognized as a multicentered...

meso–meso, β–β, β–β Triply-linked porphyrin–norcorrole hybrids and meso–meso singly-linked hybrids were synthesized through intramolecular homocoupling of precursors, respectively. The molecular...

The aromaticity of cyclic π-conjugated organometallic compounds is known as metallaaromaticity. π-Conjugated metallacycles, such as metallabenzenes and metallapentalenes, have been investigated in...

An expanded metalloporphyrin-based “black dye” Au–Pd oxohexaphyrin (AuPd-1) with absorption capabilities across the visible-to-near-infrared (NIR) range was synthesized. This black dye, AuPd-1,...

Beilstein-Institut

π-Extension of the BODIPY core is an effective strategy to modulate the physical properties of BODIPYs. However, π-extension on the zig-zag edge of BODIPYs remains unexplored. Here, we disclose the...

We developed the diversity-oriented approach for the synthesis of tetrathia[8]circulenes with a variety of peripheral substituents. Iridium-catalyzed direct C–H borylation of tetrathienylene provided...

Abstract. We report herein an improved method for the quantitative preparation of free bases of 5,10,15,20-tetraaryl-5,15-diazaporphyrinoid (TADAP) using M

兵庫県立大学理学部・大学院理学研究科のホームページ

Porphyrins are highly influential functional materials in the field of science owing to their fascinating colors and diverse electrochemical and optical properties. Peripheral modification of...

We have prepared four 4-aminonaphthalene monoimide derivatives and examined the aggregation-induced emission (AIE) properties. A nitrogen-bridged dimer is AIE-active and exhibits bright green...

The corrole derivative meso-oxoisocorrole has been theoretically predicted to be antiaromatic, despite its formally cross conjugated electronic system. In this study, this prediction has been...