論文 - 伊東 俊司
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Synthesis, Reactivity, and Properties of Benz[a]azulenes via the [8 + 2] Cycloaddition of 2H-Cyclohepta[b]furan-2-ones with an Enamine
T. Shoji, A. Yamazaki, R. Katoh, K. Shimamura, R. Sakai, M. Yasunami, T. Okujima, and S. Ito
J. Org. Chem. 87 ( 9 ) 5827 - 5845 2022年05月
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Azulene-Substituted Donor-Acceptor Polymethines and 1,6’-Bi-, 1,6’;3,6’’-Ter-, and Quinqueazulenes via Zincke Salts: Synthesis, and Structural, Optical, and Electrochemical Properties
T. Shoji, A. Yamazaki, Y. Ariga, M. Uda, D. Ando, N. Sasahara, N. Kai, and S. Ito
ChemPlusChem 86 ( 6 ) 946 - 966 2021年06月
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Solid-State Fluorescence of Tryptanthrin Analogs
J. Kawakami, C. Osanai, S. Ohta, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. Mat. Res. Soc. Japan) 46 ( 1 ) 45 - 48 2021年03月
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Synthesis, Photophysical and Electrochemical Properties of 1-, 2-, and 6-(2-Benzofuryl)azulenes
T. Shoji, Y. Ariga, A. Yamazaki, M. Uda, T. Nagasawa, and S. Ito
Bull. Chem. Soc. Jpn. 94 ( 3 ) 1000 - 1009 2021年03月
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Synthesis of Thiophene-fused Heptalenes by Cycloaddition of Azulenothiophenes with Dimethyl Acetylenedicarboxylate
T. Shoji, K. Miura, Y. Ariga, A. Yamazaki, S. Ito, and M. Yasunami
Sci. Rep. 10 12477 2020年07月
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Synthesis of Phthalimides Cross-Conjugated with An Azulene Ring, and their Structural, Optical and Electrochemical Properties
T. Shoji, N. Iida, A. Yamazaki, Y. Ariga, A. Ohta, R. Sekiguchi, T. Nagahata, T. Nagasawa, and S. Ito
Org. Biomol. Chem. 18 ( 12 ) 2274 - 2282 2020年03月
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Photophysical Properties of 2-Hydroxytryptanthrin Analog as a Near-Infrared Dye for Fluorescent Imaging
J. Kawakami, C. Osanai, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. Mat. Res. Soc. Japan) 45 ( 1 ) 19 - 22 2020年02月
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Molecular Transformation to Pyrroles, Pentafulvenes, and Pyrrolopyridines by [2 + 2] Cycloaddition of Propargylamines with Tetracyanoethylene
T. Shoji, S. Takagaki, Y. Ariga, A. Yamazaki, M. Takeuchi, A. Ohta, R. Sekiguchi, S. Mori, T. Okujima, and S. Ito
Chem. Eur. J. 2020年02月
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Direct synthesis of 2-arylazulenes by [8 + 2] cycloaddition of 2H-cyclohepta[b]furan-2-ones with silyl enol ethers
T. Shoji, S. Sugiyama, Y. Kobayashi, A. Yamazaki, Y. Ariga, R. Kato, H. Wakui, M. Yasunami, and S. Ito
Chem. Commun. 56 ( 10 ) 1485 - 1488 2020年02月
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Aggregation-induced Emission Properties of 2-(N,N-diphenylamino)tryptanthrin
J. Kawakami, M. Harada, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. Mat. Res. Soc. Japan) 44 ( 4 ) 153 - 156 2019年08月
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Synthesis of Azuleno[2,1-b]thiophenes by Cycloaddition of Azulenylalkynes with Elemental Sulfur and their Structural, Optical and Electrochemical Properties
T. Shoji, K. Miura, A. Ohta, R. Sekiguchi, S. Ito, Y. Endo, T. Nagahata, S. Mori, and T. Okujima
Org. Chem. Front. 6 ( 15 ) 2801 - 2811 2019年08月
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Preparation of a Large-sized Highly Flexible Carbon Nanohoop
Y. Nakagawa, R. Sekiguchi, J. Kawakami, and S. Ito
Org. Biomol. Chem. 17 ( 28 ) 6843 - 6853 2019年07月
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Benzo-fused BODIPY Derivative as a Fluorescent Chemosensor for Fe3+, Cu2+, and Al3+
J. Kawakami, Y. Sasaki, K. Yanase, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. Mat. Res. Soc. Japan) 44 ( 2 ) 69 - 73 2019年04月
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Synthesis of 6‑Amino- and 6‑Arylazoazulenes via Nucleophilic Aromatic Substitution and Their Reactivity and Properties
T. Shoji, S. Sugiyama, M. Takeuchi, A. Ohta, R. Sekiguchi, S. Ito, T. Yatsu, T. Okujima, and M. Yasunami
J. Org. Chem. 84 ( 3 ) 1257 - 1275 2019年02月
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Synthesis of Azulenophthalimides by Phosphinemediated Annulation of 1,2-Diformylazulenes with Maleimides
T. Shoji, T. Araki, N. Iida, K. Miura, A. Ohta, R. Sekiguchi, S. Ito, and T. Okujima
Org. Chem. Front. 6 ( 2 ) 195 - 204 2019年01月
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Synthesis and Photophysical Properties of Azuleno[1’,2’:4,5]pyrrolo[2,1-b]quinazoline-6,14-diones: Azulene Analogs of Tryptanthrin
C. Kogawa, A. Fujiwara, R. Sekiguchi, T. Shoji, J. Kawakami, M. Okazaki, and S. Ito
Tetrahedron 74 ( 49 ) 7018 - 7029 2018年12月
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Fluorescence Emission Mechanism of Three N,N-dimethylaminotryptanthrins by Density Functional Theory Calculations
J. Kawakami, C. Osanai, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. Mat. Res. Soc. Japan) 43 ( 5 ) 319 - 323 2018年09月
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Synthesis of 2-Methyl-1-azulenyl Tetracyanobutadienes and Dicyanoquinodimethanes: Substituent Effect of 2-Methyl Moiety on Azulene Ring toward the Optical and Electrochemical Properties
T. Shoji, K. Miura, T. Araki, A. Maruyama, A. Ohta, R. Sekiguchi, S. Ito, and T. Okujima
J. Org. Chem. 83 ( 12 ) 6690 - 6705 2018年06月
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2-Hydroxy-1-((2-(pyridin-2-yl)hydrazono)methyl)tryptanthrin as a Fluorescent Chemosensor for Metal Ions
J. Kawakami, M. Sasagawa, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. Mat. Res. Soc. Japan) 43 ( 3 ) 209 - 212 2018年06月
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Synthesis of 2-Amino-1-cyanoazulenes: Substituent Effect on 2H-Cyclohepta[b]furan-2-ones toward the Reaction with Malononitrile
T. Shoji, S. Sugiyama, K. Miura, A. Ohta, R. Sekiguchi, S. Ito, S. Mori, and T. Okujima
Heterocycles 97 ( 2 ) 1068 - 1081 2018年04月