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Ryuta Sekiguchi
Observed name:
Sekiguchi, Ryuta
Institution:
Hirosaki University
Observed institutions:
Shinshu University,
Hirosaki University
ORCID:
0000-0001-6751-1700
Observed ORCID:
0000-0001-6751-1700
OpenAlex ID:
A5000636323
Synthesis of azuleno[2,1- b ]thiophenes by cycloaddition of azulenylalkynes with elemental sulfur and their structural, optical and electrochemical properties
2019
·
Taku Shoji
, Kota Miura
, et al.
·
Organic Chemistry Frontiers
·
43
Synthesis of 2-Azulenyltetrathiafulvalenes by Palladium-Catalyzed Direct Arylation of 2-Chloroazulenes with Tetrathiafulvalene and Their Optical and Electrochemical Properties
2017
·
Taku Shoji
, Takanori Araki
, et al.
·
The Journal of Organic Chemistry
·
33
Synthesis of azulenophthalimides by phosphine-mediated annulation of 1,2-diformylazulenes with maleimides
2018
·
Taku Shoji
, Takanori Araki
, et al.
·
Organic Chemistry Frontiers
·
32
Synthesis of 2-Methyl-1-azulenyl Tetracyanobutadienes and Dicyanoquinodimethanes: Substituent Effect of 2-Methyl Moiety on the Azulene Ring toward the Optical and Electrochemical Properties
2018
·
Taku Shoji
, Kota Miura
, et al.
·
The Journal of Organic Chemistry
·
32
Synthesis of 2‐Aminofurans by Sequential [2+2] Cycloaddition–Nucleophilic Addition of 2‐Propyn‐1‐ols with Tetracyanoethylene and Amine‐Induced Transformation into 6‐Aminopentafulvenes
2017
·
Taku Shoji
, Daichi Nagai
, et al.
·
Chemistry - A European Journal
·
30
PDF
Molecular Transformation to Pyrroles, Pentafulvenes, and Pyrrolopyridines by [2+2] Cycloaddition of Propargylamines with Tetracyanoethylene
2019
·
Taku Shoji
, Sho Takagaki
, et al.
·
Chemistry - A European Journal
·
26
Synthesis of azulene-substituted benzofurans and isocoumarins via intramolecular cyclization of 1-ethynylazulenes, and their structural and optical properties
2017
·
Taku Shoji
, Miwa Tanaka
, et al.
·
Organic & Biomolecular Chemistry
·
25
PDF
Synthesis of 6-Amino- and 6-Arylazoazulenes via Nucleophilic Aromatic Substitution and Their Reactivity and Properties
2019
·
Taku Shoji
, Shuhei Sugiyama
, et al.
·
The Journal of Organic Chemistry
·
22
Synthesis and redox behavior of 1,2-dihydro-1-oxabenz[a]azulen-2-ones
2014
·
Shunji Ito
, Shohei Yamazaki
, et al.
·
Tetrahedron
·
22
Synthesis and photophysical properties of azuleno[1′,2′:4,5]pyrrolo[2,1-b]quinazoline-6,14-diones: Azulene analogs of tryptanthrin
2018
·
Chieko Kogawa
, Asuka Fujiwara
, et al.
·
Tetrahedron
·
20
Synthesis of 2-amino- and 2-arylazoazulenes via nucleophilic aromatic substitution of 2-chloroazulenes with amines and arylhydrazines
2017
·
Taku Shoji
, Shuhei Sugiyama
, et al.
·
Organic & Biomolecular Chemistry
·
18
PDF
Synthesis of 1-azulenyl ketones by Brønsted acid mediated hydration of 1-azulenylalkynes
2016
·
Taku Shoji
, Miwa Tanaka
, et al.
·
RSC Advances
·
18
PDF
Construction of a 2,2′-biazulene framework via Brønsted acid-promoted annulation of 2,3-di(1-azulenyl)benzofurans
2023
·
Taku Shoji
, Naoko Sakata
, et al.
·
Chemical Communications
·
15
Synthesis of phthalimides cross-conjugated with an azulene ring, and their structural, optical and electrochemical properties
2020
·
Taku Shoji
, Nanami Iida
, et al.
·
Organic & Biomolecular Chemistry
·
15
Preparation of a large-sized highly flexible carbon nanohoop
2019
·
Yuta Nakagawa
, Ryuta Sekiguchi
, et al.
·
Organic & Biomolecular Chemistry
·
15
Synthesis, Structural, and Optical Properties of Azuleno[1,2-c]pyran-1-ones: Bronsted Acid-Mediated Cyclization of 2-Azulenylalkynes
2023
·
Taku Shoji
, Nichika Sasahara
, et al.
·
The Journal of Organic Chemistry
·
13
AzUlene‐Fused Polycyclic Aromatic Hydrocarbons: Synthesis, Structural, Optical, and Electrochemical Properties of Azuleno[2,1‐a]phenalenones
2025
·
Taku Shoji
, Naoko Sakata
, et al.
·
ChemistryEurope
·
10
Molecular Transformation of 2‐Methylazulenes: An Efficient and Practical Synthesis of 2‐Formyl‐ and 2‐Ethynylazulenes
2018
·
Taku Shoji
, Takanori Araki
, et al.
·
European Journal of Organic Chemistry
·
10
PDF
Preparation of a Cyclic Polyphenylene Array for a Zigzag-Type Carbon Nanotube Segment
2015
·
Ryuta Sekiguchi
, Kei Takahashi
, et al.
·
The Journal of Organic Chemistry
·
10
Synthesis and Electrochemical Properties of Azulene-Substituted Tetracyanobutadiene and Dicyanoquinodimethane Chromophores Connected with Naphthalene Cores
2017
·
Taku Shoji
, Mitsuhisa Maruyama
, et al.
·
Heterocycles
·
8
PDF
Synthesis of 1,2′-Biazulenes by Palladium-Catalyzed Unusual Homocoupling Reaction of 1-Haloazulenes in the Presence of Ferrocene
2016
·
Taku Shoji
, Kanami Miyashita
, et al.
·
Synthesis
·
8
PDF
Efficient synthesis and redox behavior of a series of 6-alkyl-2-phenylazulenes
2013
·
Shunji Ito
, Mao Ueda
, et al.
·
Tetrahedron
·
8
Synthesis of 2‐Perfluoroalkylazuleno[2,1‐d]pyrimidin‐4(3H)‐ones via Brønsted Acid‐Mediated Intramolecular Cyclization and Transformation into Pyrimidines
2023
·
Taku Shoji
, Yukino Ariga
, et al.
·
Advanced Synthesis & Catalysis
·
6
Creation of Ring-Fused Azulenes that Show the Unique Optical Properties
2024
·
Taku Shoji
, Ryuta Sekiguchi
, et al.
·
Journal of Synthetic Organic Chemistry Japan
·
5
Synthesis of Azuleno[2,1-b]quinolones and Quinolines via Brønsted Acid-Catalyzed Cyclization of 2-Arylaminoazulenes
2023
·
Taku Shoji
, Mutsumi Takeuchi
, et al.
·
Molecules
·
5
PDF
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Works count:
129
Citation count:
493
H-index:
15
I10-index:
19
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