Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Mitsuhisa Maruyama"'
1
Synthesis and Electrochemical Properties of Azulene-Substituted Tetracyanobutadiene and Dicyanoquinodimethane Chromophores Connected with Naphthalene Cores
Autor: Miwa Tanaka, Ryuta Sekiguchi, Akifumi Maruyama, Taku Shoji, Daichi Nagai, Tetsuo Okujima, Shunji Ito, Mitsuhisa Maruyama
Publikováno v: HETEROCYCLES. 95(1):353-369
Azulene-substituted tetracyanobutadienes (AzTCBDs) and dicyanoquinodimethanes (AzDCNQs) connected with naphthalene cores were prepared by the reaction of 1-azulenylalkynes with tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b8a9fe2286b116688951ee59ba0f2ea
https://soar-ir.repo.nii.ac.jp/records/19897
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2
Synthesis of 1,3-Bis(tetracyano-2-azulenyl-3-butadienyl)azulenes by the [2+2] Cycloaddition-Retroelectrocyclization of 1,3-Bis(azulenylethynyl)azulenes with Tetracyanoethylene
Autor: Mitsuhisa Maruyama, Kozo Toyota, Shunji Ito, Tetsuo Okujima, Akifumi Maruyama, Taku Shoji
Publikováno v: Chemistry - A European Journal. 20:11903-11912
1,3-Bis(azulenylethynyl)azulene derivatives 9-14 have been prepared by palladium-catalyzed alkynylation of 1-ethynylazulene 8 with 1,3-diiodoazulene 1 or 1,3-diethynylazulene 2 with the corresponding haloazulenes 3-7 under Sonogashira-Hagihara condit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1adaa9594a4e2d910940929526c454e3
https://doi.org/10.1002/chem.201402939
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3
Synthesis and Properties of 6-Methoxy- and 6-Dimethylamino-1-methylthio- and 1,3-Bis(methylthio)azulenes and Triflic Anhydride-Mediated Synthesis of Their Biaryl Derivatives
Autor: Kozo Toyota, Tetsuo Okujima, Junya Higashi, Taku Shoji, Mitsuhisa Maruyama, Noboru Morita, Shunji Ito, Akifumi Maruyama
Publikováno v: Bulletin of the Chemical Society of Japan. 87:141-154
6-Methoxy- and 6-dimethylaminoazulenes with methylthio groups at the 1- or 1,3-positions have been prepared by electrophilic substitution of the corresponding azulenes with DMSO in the presence of ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cc6ff127686da569ab9ea1063549ad7
https://doi.org/10.1246/bcsj.20130275
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4
Synthesis, Properties, and Redox Behavior of Tetracyanobutadiene and Dicyanoquinodimethane Chromophores Bearing Two Azulenyl Substituents
Autor: Mitsuhisa Maruyama, Tetsuo Okujima, Kozo Toyota, Erika Shimomura, Noboru Morita, Shunji Ito, Akifumi Maruyama, Taku Shoji
Publikováno v: The Journal of Organic Chemistry. 78:12513-12524
Acetylene derivatives with an azulenyl group at both terminals have been prepared by palladium-catalyzed alkynylation under Sonogashira-Hagihara conditions. These alkynes reacted with tetracyanoethylene and 7,7,8,8-tetracyanoquinodimethane in a forma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f37c2490097126ed406f99bb6952aba
https://doi.org/10.1021/jo402104n
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5
Synthesis and Properties of Azulene-Substituted Donor-Acceptor Chromophores Connected by Arylamine Cores
Autor: Akifumi Maruyama, Mitsuhisa Maruyama, Noboru Morita, Taku Shoji, Kozo Toyota, Tetsuo Okujima, Erika Shimomura, Shunji Ito
Publikováno v: European Journal of Organic Chemistry. 2013:7785-7799
1-Ethynylazulenes connected by several arylamine cores reacted with tetracyanoethylene (TCNE) and 7,7,8,8-tetracyanoquinodimethane (TCNQ) in a formal [2+2] cycloaddition–cycloreversion reaction to afford the corresponding tetracyanobutadiene (TCBD)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::733f7bee6e07709c8fb07c0a455d1cc5
https://doi.org/10.1002/ejoc.201301006
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6
Synthesis, Properties and Redox Behavior of Ene-Diyne Scaffolds Bearing 1- and 2-Azulenyl Groups at the Periphery
Autor: Mitsuhisa Maruyama, Erika Shimomura, Tetsuo Okujima, Taku Shoji, Shunji Ito, Noboru Morita
Publikováno v: European Journal of Organic Chemistry. 2013:957-964
Ene–diyne systems possessing 1- and 2-azulenyl groups at the periphery were prepared by palladium-catalyzed cross-coupling reaction of 1- and 2-ethynylazulenes with 9-dibromomethylene-9H-fluorene and 9,10-bis(dibromomethylene)-9,10-dihydroanthracen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d0a4c54a9eac6fcf417e2ab1cca11c5
https://doi.org/10.1002/ejoc.201201397
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7
Synthesis and Properties of Mono-, Bis-, Tris-, and Tetrakis[1,1,4,4-tetracyano-2-(1-azulenyl)-1,3-butadien-3-yl] Chromophores Connected to a Benzene Ring by Phenylethynyl- and 2-Thienylethynyl Spacers
Autor: Mitsuhisa Maruyama, Taku Shoji, Shunji Ito, Noboru Morita
Publikováno v: Bulletin of the Chemical Society of Japan. 85:761-773
Mono-, bis-, tris-, and tetrakis[(1-azulenylethynyl)phenylethynyl- and (1-azulenylethynyl)-2-thienylethynyl]benzenes have been prepared by Pd-catalyzed alkynylation of iodobenzene derivatives or 2-...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b7aca8a143c9c9ab763574d086127adb
https://doi.org/10.1246/bcsj.20120037
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9
Synthesis of 1,6′-Bi- and 1,6′:3,6′′-Terazulenes from 1-Pyridyl- and 1,3-Di(pyridyl)azulenes by the Ziegler–Hafner Method
Autor: Shunji Ito, Mitsuhisa Maruyama, Taku Shoji, Atsuyo Yamamoto, Kozo Toyota, Erika Shimomura, Tetsuo Okujima, Noboru Morita
Publikováno v: Chemistry Letters. 42:638-640
The synthesis of 1,6′-biazulenes 3a and 3b and 1,6′:3,6′′-terazulenes 7a and 7b was established by one-pot reactions via the Zincke-type ring-opening of the corresponding pyridinium salts with diet...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36882c26e616c6ead5a98cd73408a024
https://doi.org/10.1246/cl.130157
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