Papers - ITO SHUNJI
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Synthesis and Properties of Hexakis(6-octyl-2-azulenyl)benzene as a Multielectron Redox System with Liquid Crystalline Behavior
S. Ito, M. Ando, A. Nomura, N. Morita, C. Kabuto, H. Mukai, K. Ohta, J. Kawakami, A. Yoshizawa, and A. Tajiri
J. Org. Chem. 70 ( 10 ) 3939 - 3949 2005.5
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Synthesis and Dynamic Stereochemistry of Azulene-Substituted 9-Fluorenyl, 9,10-Dihydro-10,10-dimethyl-9-anthryl, 10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-yl, and 5H-Dibenzo[a,d]cyclohepten-5-yl Cations. Correlations of Stabilities of the Carbocations and Rotational Barrier of Azulene Ring
S. Ito, J. Kawakami, A. Tajiri, D. Ryuzaki, N. Morita, T. Asao, M. Watanabe, and N. Harada
Bull. Chem. Soc. Jpn. 78 ( 11 ) 2051 - 2065 2005.4
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Azulene-Substituted Aromatic Amines. Synthesis and Amphoteric Redox Behavior of N,N-Di(6-azulenyl)-p-toluidine and N,N,N',N'-Tetra(6-azulenyl)-p-phenylene- diamine and their Derivatives
S. Ito, T. Kubo, N. Morita, T. Ikoma, S. Tero-Kubota, J. Kawakami, and A. Tajiri
J. Org. Chem. 70 ( 6 ) 2285 - 2293 2005.3
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A Practical Spectroscopic and Theoretical Approach to Study the Electrochromism in Molecular-Based Materials: The Case of a Family of Dendrimeric-Like Poly(6-azulenylethynyl)benzenes
J. Casado, R. P. Ortiz, J. T. L. Navarrete, S. Ito, and N. Morita
J. Phys. Chem. B 108 ( 48 ) 18463 - 18471 2004.12
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Synthesis of Azulen-3-ylheterocyclic Using 2-(1-Methoxycarbonylazulen-3-yl)ethynyltriphenylphosphonium Bromide
N. Morita, S. Moriyama, T. Shoji, M. Nakashima, M. Watanabe, S. Kikuchi, S. Ito, and K. Fujimori
Heterocycles 64 ( 1 ) 305 - 316 2004.12
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Efficient Preparation of 2-Azulenylboronate and Miyaura-Suzuki Cross-Coupling Reaction with Aryl Bromides for Easy Access to Poly(2-azulenyl)benzenes
S. Ito, T. Terazono, T. Kubo, T. Okujima, N. Morita, T. Murafuji, Y. Sugihara, K. Fujimori, J. Kawakami, and A. Tajiri
Tetrahedron 60 ( 25 ) 5357 - 5366 2004.6
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Electrochromic Application of Enediyne Scaffolding as a Redox-Active Chromophore. Synthesis and Redox Behavior of 9,10-Bis[3-(6-azulenyl)-1- (6-azulenylethynyl)-2-propynylidene]-9,10-dihydroanthracenes
S. Ito, H. Inabe, N. Morita, and A. Tajiri
Eur. J. Org. Chem. ( 8 ) 1774 - 1780 2004.4
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Preparation of azulenyllithium and magnesium reagents utilizing halogen–metal exchange reaction of several iodoazulenes with organolithium or magnesium ate complex
S. Ito, T. Kubo, N. Morita, Y. Matsui, T. Watanabe, A. Ohta, K. Fujimori, T. Murafuji, Y. Sugihara, and A. Tajiri
Tetrahedron Lett. 45 ( 14 ) 2891 - 2894 2004.3
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Competition between Intramolecular Electron-Transfer and Energy-Transfer Processes in Photoexcited Azulene-C60 Dyad
T. Makinoshima, M. Fujitsuka, O. Ito, S. Ito, and N. Morita
J. Phys. Chem. A. 108 ( 3 ) 368 - 375 2004.1
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Synthesis of Azulenylheterocyclic Compounds using 2-(2-Azulenyl)ethynyltriphenylphosphonium Bromide
S. Ito, S. Moriyama, M. Nakashima, M. Watanabe, T. Kubo, M. Yasunami, K. Fujimori, and N. Morita
Heterocycles 61 ( 1 ) 339 - 348 2003.12
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Synthesis, Stability, and Redox Behavior of Di(1-azulenyl)(6-azulenyl)methylium Hexafluorophosphates. Generation of a Donor-Acceptor Substituted Neutral Radical by Azulenes
S. Ito, T. Kubo, N. Morita, T. Ikoma, S. Tero-Kubota, and A. Tajiri
J. Org. Chem. 68 ( 25 ) 9753 - 9762 2003.12
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Synthesis of 2-Aminoazulene Derivatives. Nucleophilic and Palladium-Catalyzed Amination of 2-Substituted Azulene
R. Yokoyama, S. Ito, T. Okujima, T. Kubo, M. Yasunami, A. Tajiri, and N. Morita
Tetrahedron 59 ( 41 ) 8191 - 8198 2003.10
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Synthesis, Stability and Bonding Situation of Tris-, Bis- and Mono[9-(azuleno[1,2-b]thienyl)]methyl Cations
S. Ito, T. Kubo, M. Kondo, C. Kabuto, N. Morita, T. Asao, K. Fujimori, M. Watanabe, N. Harada, and M. Yasunami
Org. Biomol. Chem. 1 ( 14 ) 2572 - 2580 2003.7
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Preparation, Characterization, and Cycloaddition Reaction of the Heterocumulenes Attached Directly to Azulenes. An Efficient Strategy for the Preparation of Azulene-Substituted Heterocycles
S. Ito, T. Okujima, C. Kabuto, and N. Morita
Tetrahedron 59 ( 25 ) 4651 - 4659 2003.6
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Reaction of Azulenes with 1-Trifluoromethanesulfonylpyridinium Trifluoromethanesulfonate (TPT) and Synthesis of the Parent Azulene
S. Ito, R. Yokoyama, T. Okujima, T. Terazono, T. Kubo, A. Tajiri, M. Watanabe, and N. Morita
Org. Biomol. Chem. 1 ( 6 ) 1947 - 1952 2003.6
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Substrate Specificities of Medium-Prenylchain Elongating Enzymes, Hexaprenyl- and Heptaprenyl Diphosphate Synthases
M. Nagaki, K. Kuwahara, K. Kimura, J. Kawakami, Y. Maki, S. Ito, N. Morita, T. Nishino, and T. Koyama
J. Mol. Catal. B: Enzymatic 22 ( 1-2 ) 97 - 103 2003.4
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Synthesis of Poly(6-azulenylethynyl)benzene Derivatives as a Multi-Electron Redox System with Liquid Crystalline Behavior
S. Ito, H. Inabe, N. Morita, K. Ohta, T. Kitamura, and K. Imafuku
J. Am. Chem. Soc. 125 ( 6 ) 1669 - 1680 2003.2
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Synthesis, Absolute Configuration and Conformation of Optically Active 1,2-Homoheptafulvalene
S. Ito, M. Kurita, S. Kikuchi, T. Asao, Y. Ito, M. Oda, H. Sotokawa, A. Tajiri, and N. Morita
Org. Biomol. Chem. 1 ( 3 ) 488 - 492 2003.2