Papers - ITO SHUNJI
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Synthesis of Donor–Acceptor Chromophores by the [2 + 2] Cycloaddition of Arylethynyl-2H-cyclohepta[b]furan-2-ones with 7,7,8,8-Tetracyanoquinodimethane
T. Shoji, J. Higashi, S. Ito, T. Okujima, M. Yasunami, and N. Morita
Org. Biomol. Chem. 10 ( 12 ) 2431 - 2438 2012.3
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First Synthesis of 1-(Indol-2-yl)azulenes by Vilsmeier–Haack Type Arylation with Triflic Anhydride as an Activating Reagent
T. Shoji, Y. Inoue, and S. Ito
Tetrahedron Lett. 53 ( 12 ) 1493 - 1496 2012.3
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First Synthesis of 2-Heteroarylazulenes by the Electrophilic Substitution of Azulene with Triflate of N-Containing Heterocycles
T. Shoji, Y. Inoue, S. Ito T. Okujima, and N. Morita
Heterocycles 85 ( 1 ) 35 - 41 2012.1
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Antibacterial and Antifungal Activities of Tryptanthrin Derivatives
J. Kawakami, N. Matsushima, Y. Ogawa, H. Kakinami, A. Nakane, H. Kitahara, M. Nagaki, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. MRS-J) 36 ( 4 ) 603 - 606 2011.12
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Synthesis and [2+2] Cycloaddition with Tetracyanoethylene of Ene–Diyne Scaffolds Bearing Ferrocenes at the Periphery
T. Shoji, S. Ito, T. Okujima, and N. Morita
Eur. J. Org. Chem. ( 26 ) 5134 - 5140 2011.9
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The [2+2] Cycloaddition Reaction of Ethynylated 2H-Cyclohepta[b]furan-2-ones with 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
T. Shoji, J. Higashi, S. Ito, M. Yasunami, and N. Morita
Heterocycles 83 ( 10 ) 2271 - 2274 2011.9
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Synthesis of 1-Heteroaryl- and 1,3-Bis(heteroaryl)azulenes: Electrophilic Heteroarylation of Azulenes with the Triflate of N-Containing Heteroarenes
T. Shoji, S. Ito, J. Higashi, and N. Morita
Eur. J. Org. Chem. ( 27 ) 5311 - 5322 2011.9
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Synthesis of Redox-Active Intramolecular Charge-Transfer Chromophores by the [2+2] Cycloaddition of Ethynylated 2H-Cyclohepta[b]furan-2-ones with Tetracyanoethylene
T. Shoji, J. Higashi, S. Ito, T. Okujima, M. Yasunami, and N. Morita
Chem. Eur. J. 17 ( 18 ) 5116 - 5129 2011.4
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TD-DFT Study on the Fluorescent Chemosensor for Hg2+, 2-(Benzo-d-thiazol-2-yl)quinolone
R. Miyamoto, J. Kawakami, R. Ohtake, M. Nagaki, and S. Ito
J. Mol. Struct. 991 ( 1-3 ) 73 - 78 2011.4
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Synthesis and Redox Behavior of Bis(3-methylthio-1-azulenyl)methyl Cations and Dications Connected by 2-Thienyl and 2,5-Thiophenediyl Spacers
T. Shoji, J. Higashi, S. Ito, T. Okujima, and N. Morita
Eur. J. Org. Chem. ( 3 ) 584 - 592 2011.1
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Antibacterial Activity of Radial Compounds with Peripheral Quaternary Ammonium Units
J. Kawakami, I. Harada, A. Nakane, H. Kitahara, M. Nagaki, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. MRS-J) 35 ( 4 ) 885 - 887 2010.12
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Poly(amide amine) Dendrimers with Naphthyl Units as Fluorescent Chemosensor Materials for Metal Cations
J. Kawakami, Y. Miyamoto, T. Isobe, M. Nagaki, and S. Ito
Transactions of the Materials Research Society of Japan (Trans. MRS-J) 35 ( 4 ) 849 - 852 2010.12
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Synthesis and Liquid Crystalline Behavior of Azulene-based Liquid Crystals with 6-Hexadecyl Substituents on Each Azulene Ring
K. Nakagawa, T. Yokoyama, K. Toyota, N. Morita, S. Ito, S. Tahata, M. Ueda, J. Kawakami, M. Yokokawa, Y. Kanai, and K. Ohta
Tetrahedron 66 ( 42 ) 8304 - 8312 2010.10
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Synthesis, Properties, and Redox Behavior of Ferrocene-substituted Bis(3-methylthio-1-azulenyl)methylium Ions
T. Shoji, J. Higashi, S. Ito, and N. Morita
Eur. J. Inorg. Chem. ( 30 ) 4886 - 4891 2010.10
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Synthesis of 1-(Pyridyl, quinolyl, and isoquinolyl)azulenes by Reissert-Henze Type Reaction
T. Shoji, K. Okada, S. Ito, K. Toyota, and N. Morita
Tetrahedron Lett. 51 ( 39 ) 5127 - 5130 2010.9
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Synthesis of 5-Heteroaryl- and 5,7-Bis(heteroaryl)azulenes by Electrophilic Substitution of 1,3-Di-tert-butylazulene with Triflates of N-Containing Heterocycles
T. Shoji, S. Ito, K. Toyota, and N. Morita
Eur. J. Org. Chem. ( 6 ) 1059 - 1069 2010.2
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Synthesis and Properties of Ferrocenylmethylene-Bridged Calix[4]azulene and a New Example of Bis(1-azulenyl)ferrocenylmethylium Ion
T. Shoji, J. Higashi, S. Ito, K. Toyota, T. Iwamoto, and N. Morita
Eur. J. Org. Chem. ( 34 ) 5948 - 5952 2009.12
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2-Aminotryptanthrin Derivative with Pyrene as a FRET-based Fluorescent Chemosensor for Al3+
J. Kawakami, K. Kikuchi, K. Chiba, N. Matushima, A. Yamaya, S. Ito, M. Nagaki, and H. Kitahara
Anal. Sci. 25 ( 12 ) 1385 - 1386 2009.12
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Toward the Preparation of Electrochromic Materials with Strong Absorption in the Near Infrared Region: Synthesis and Redox Behavior of Azulene-Substituted Enediyne Scaffoldings Connected by 9,10-Anthracenediyl Spacer
S. Ito, T. Iida, J. Kawakami, T. Okujima, and N. Morita
Eur. J. Org. Chem. ( 31 ) 5355 - 5364 2009.11
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Reactions between 1-Ethynylazulenes and 7,7,8,8-Tetracyanoquinodimethane (TCNQ): Preparation, Properties, and Redox Behavior of Novel Azulene-Substituted Redox-Active Chromophores
T. Shoji, S. Ito, K. Toyota, M. Yasunami, and N. Morita
Eur. J. Org. Chem. ( 25 ) 4316 - 4324 2009.9