論文 - 伊東 俊司
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Synthesis of 2-Perfluoroalkylazuleno[2,1-d]pyrimidin-4(3H)-ones via Brønsted Acid-Mediated Intramolecular Cyclization and Transformation into Pyrimidines
T. Shoji, Y. Ariga, N. Sakata, D. Ando, S. Mori, T. Okujima, R. Sekiguchi, and S. Ito
Adv. Synth. Catal. 365 ( 21 ) 3648 - 3657 2023年11月
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Synthesis, Structural, and Optical Properties of Azuleno[1,2 c]pyran 1-ones: Bronsted Acid-Mediated Cyclization of 2-Azulenylalkynes
T. Shoji, N. Sasahara, A. Hamasaki, S. Mori, T. Okujima, R. Sekiguchi, and S. Ito
J. Org. Chem. 88 ( 22 ) 15739 - 15749 2023年10月
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Aggregation-induced Emission and Solid-State Fluorescence of 2-(4-(N,N-diphenylamino)phenyl)tryptanthrin
J. Kawakami, M. Harada, Y. Akagi, M. Takahashi, S. Ohta, and S. Ito
Journal of the Japan Society of Colour Material 96 ( 15 ) 333 - 337 2023年10月
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Synthesis of Azuleno[2,1-b]quinolones and Quinolines via Brønsted Acid-Catalyzed Cyclization of 2-Arylaminoazulenes
T. Shoji, M. Takeuchi, M. Uda, Y. Ariga, A. Yamazaki, R. Sekiguchi, and S. Ito
Molecules 28 ( 15 ) 5785 2023年08月
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Synthesis of Maleimide-fused Aceheptylenes from Guaiazulene
T. Shoji, M. Uda, T. Okujima, R. Sekiguchi, and S. Ito
Heterocycles 106 ( 4 ) 641 - 648 2023年04月
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Construction of 2,2’-Biazulene Framework via Brønsted Acid Promoted Annulation of 2,3-Di(1-azulenyl)benzofurans
T. Shoji, N. Sakata, Y. Ariga, A. Yamazaki, R. Katoh, T. Okujima, R. Sekiguchi, and S. Ito
Chem. Commun. 59 ( 23 ) 3447 - 3450 2023年03月
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Bis(3-methylthio-1-azulenyl)phenylmethyl Cations and Dications Connected by a 1,4-Phenylene Spacer: Synthesis and Their Electrochemical Properties
T. Shoji, N. Sakata, R. Sekiguchi, and S. Ito
Organics 3 ( 4 ) 507 - 519 2022年12月
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Benz[a]azulenequinones: Reaction of Benz[a]azulenes with Pyridinium Hydrobromide Perbromide
T. Shoji, A. Yamazaki, N. Sakata, R. Sekiguchi, S. Ito, and M. Yasunami
Molbank 2022 ( 4 ) M1467 2022年12月
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Fluorescence Based on Excited-State Intramolecular Proton Transfer of 1-(2-Benzothiazolyl)-2-hydroxytryptanthrin
J. Kawakami, M. Takahashi, and S. Ito
Journal of the Japan Society of Colour Material 95 ( 7 ) 185 - 188 2022年07月
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Azuleno[6,5-b]indoles: Palladium-Catalyzed Oxidative Ring-Closing Reaction of 6-(Arylamino)azulenes
T. Shoji, Y. Ariga, S. Ito, and M. Yasunami
Heterocycles 105 ( 1 ) 383 - 396 2022年06月
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Synthesis of 8-Aryl-2H-cyclohepta[b]furan-2-ones and Transformation into 4-Arylazulenes
T. Shoji, D. Ando, A. Yamazaki, Y. Ariga, A. Hamasaki, S. Mori, T. Okujima, and S. Ito
Chem. Lett. 51 ( 5 ) 533 - 537 2022年05月
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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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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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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 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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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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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