Koki Horii

Open-Shell and Antiaromatic Character Induced by the Highly Symmetric Geometry of the Planar Heptalene Structure: Synthesis and Characterization of a Nonalternant Isomer of Bisanthene

Akihito Konishi, Koki Horii, Daisuke Shiomi et al. · Journal of the American Chemical Society · 2019 · 135 citations

Materials Science, Chemical Engineering, Engineering +12

Bis-periazulene (Cyclohepta[<i>def</i>]fluorene) as a Nonalternant Isomer of Pyrene: Synthesis and Characterization of Its Triaryl Derivatives

Koki Horii, Ryohei Kishi, Masayoshi Nakano et al. · Journal of the American Chemical Society · 2022 · 80 citations

The road to bis‐periazulene (cyclohepta[<i>def</i>]fluorene): Realizing one of the long‐standing dreams in nonalternant hydrocarbons

Akihito Konishi, Koki Horii, Makoto Yasuda · Journal of Physical Organic Chemistry · 2023 · 27 citations · Full text

Chemical Engineering, Engineering, Heterocyclic +9

Characterization of Benzo[<i>a</i>]naphtho[2,3‐<i>f</i>]pentalene: Interrelation between Open‐shell and Antiaromatic Characters Governed by Mode of the Quinoidal Subunit and Molecular Symmetry

Akihito Konishi, Koki Horii, Haruna Iwasa et al. · Chemistry - An Asian Journal · 2021 · 13 citations

Isolation and characterisation of a stable 2-azaphenalenyl azomethine ylide

Koji Katayama, Akihito Konishi, Koki Horii et al. · Communications Chemistry · 2019 · 10 citations · Full text