Papers - ITO SHUNJI
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Electrophilic Ipso-Substitution and Some Unique Reaction Behavior of 1,3,6-Tri-tert-butylazulene
T. Shoji, S. Ito, J. Higashi, T. Okujima, R. Yokoyama, K. Toyota, S. Ito, M. Yasunami, and N. Morita
Eur. J. Org. Chem. ( 10 ) 1554 - 1563 2009.4
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Heteroarylation of 1-Azulenyl Methyl Sulfide: Two-Step Synthetic Strategy for 1-Methylthio-3-(heteroaryl)azulenes Using the Triflate of N-Containing Heterocycles
J. Higashi, T. Shoji, S. Ito, K. Toyota, M. Yasunami, and N. Morita
Eur. J. Org. Chem. ( 34 ) 5823 - 5831 2008.12
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Synthesis, Properties, and Redox Behavior of Mono-, Bis-, and Tris[1,1,4,4-tetracyano-2-(1-azulenyl)-3-butadienyl] Chromophores Binding with Benzene and Thiophene Cores
T. Shoji, S. Ito, K. Toyota, M. Yasunami, and N. Morita
Chem. Eur. J. 14 ( 27 ) 8398 - 8408 2008.9
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Synthesis and Reactivity of 3-Methylsulfinyl-2H-cyclohepta[b]furan-2-ones
J. Higashi, K. Okada, T. Shoji, K. Toyota, M. Watanabe, M. Yasunami, S. Kikuchi, S. Ito, and N. Morita
Heterocycles 76 ( 1 ) 759 - 770 2008.9
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Synthesis and Intramolecular Pericyclization of 1-Azulenyl Thioketones
S. Ito, T. Okujima, S. Kikuchi, T. Shoji, N. Morita, T. Asao, T. Ikoma, S. Tero-Kubota, J. Kawakami, and A. Tajiri
J. Org. Chem. 73 ( 6 ) 2256 - 2263 2008.3
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Synthesis and Redox Behaviors of 1-Azulenyl Sulfides and Efficient Synthesis of 1,1’-Biazulenes
T. Shoji, J. Higashi, S. Ito, K. Toyota, T. Asao, M. Yasunami, K. Fujimori, and N. Morita
Eur. J. Org. Chem. ( 7 ) 1242 - 1252 2008.3
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2-(Benzo-d-thiazol-2-yl)quinoline as a Fluorescent Chemosensor Material for Hg(II)
J. Kawakami, R. Ohtake, R. Miyamoto, M. Nagaki, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. MRS-J) 33 ( 1 ) 9 - 11 2008.3
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A Novel Approach to 5,5’-Diisopropyl-3,3’-bi-2H-cyclohepta[b]furan-2-one
N. Morita, J. Higashi, K. Okada, T. Shoji, K. Toyota, M. Watanabe, M. Yasunami, S. Kikuchi, and S. Ito
Heterocycles 73 ( 1 ) 237 - 240 2007.12
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Transition Metal Free Synthesis and Pyridinylation of 1,1-Biazulene
T. Shoji, S. Ito, K. Toyota, M. Yasunami, and N. Morita
Tetrahedron Lett. 48 ( 29 ) 4999 - 5002 2007.7
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Charge Transfer Induced Enhancement of Near-IR Two-Photon Absorption of 5,15-Bis(azulenylethynyl) Zinc(II) Porphyrins
K. S. Kim, S. B. Noh, T. Katsuda, S. Ito, A. Osuka, and D. Kim
Chem. Commun. ( 24 ) 2479 - 2481 2007.6
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Synthesis of 5-Heteroarylazulenes: First Selective Electrophilic Substitution for 5-Position of Azulene
T. Shoji, S. Ito, M. Watanabe, K. Toyota, M. Yasunami, and N. Morita
Tetrahedron Lett. 48 ( 17 ) 3009 - 3012 2007.4
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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
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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
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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
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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
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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
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The Synthesis of Heteroarylazulene
T. Shoji, S. Kikuchi, S. Ito, and N. Morita
Heterocycles 66 ( 1 ) 91 - 94 2005.12
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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
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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