Papers - ITO SHUNJI
-
Synthesis of Heteroarylazulenes: Transition-Metal Free Coupling Strategy of Azulene with Heterocycles
T. Shoji, R. Yokoyama, S. Ito, M. Watanabe, K. Toyota, M. Yasunami, and N. Morita
Tetrahedron Lett. 48 ( 7 ) 1099 - 1103 2007.2
-
Synthesis, Stabilities, and Redox Behavior of Mono-, Di-, and Tetracations Composed of Di(1-azulenyl)methylium Units Connected to a Benzene Ring by Phenyl- and 2-Thienylacetylene Spacers. A Concept of a Cyanine-Cyanine Hybrid as a Stabilized Electrochromic System
S. Ito, K. Akimoto, J. Kawakami, A. Tajiri, T. Shoji, H. Satake, and N. Morita
J. Org. Chem. 72 ( 1 ) 162 - 172 2007.1
-
Reaction of 2H-Cyclohepta[b]furan-2-ones with Pyridinium Salts of Trifluoromethanesulfonic Anhydride
N. Morita, T. Matsuki, M. Nakashima, T. Shoji, K. Toyota, S. Kikuchi, and S. Ito
Heterocycles 69 ( 1 ) 119 - 122 2006.12
-
Poly(amine ester) Dendrimer with Naphthyl Units as a Fluorescent Chemosensor for Al(III), Cu(II), and Zn(II)
J. Kawakami, T. Mizuguchi, and S. Ito
Anal. Sci. 22 ( 11 ) 1383 - 1384 2006.11
-
Time-dependent DFT Study of Emission Mechanism of 8-Hydroxyquinoline Derivatives as Fluorescent Chemosensors for Metal Ions
R. Miyamoto, J. Kawakami, S. Takahashi, S. Ito, M. Nagaki, and H. Kitahara
J. Comput. Chem. Jpn. 5 ( 3 ) 19 - 22 2006.3
-
The Synthesis of Heteroarylazulene
T. Shoji, S. Kikuchi, S. Ito, and N. Morita
Heterocycles 66 ( 1 ) 91 - 94 2005.12
-
Poly(amide amine) Dendrimer with Naphthyl Units as a Fluorescent Chemosensor for Metal Ions
J. Kawakami, T. Isobe, Y. Sasaki, S. Ito, M. Nagaki, and H. Kitahara
Anal. Sci. 21 ( 7 ) 729 - 730 2005.7
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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