Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Akifumi Maruyama"'
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
Autor:
Taku Shoji, Miwa Tanaka, Kanami Miyashita, Shunji Ito, Tetsuo Okujima, Akifumi Maruyama, Ryuta Sekiguchi, Takanori Araki
Publikováno v:
SYNTHESIS. 48(15):2438-2448
The synthesis of 1,2-biazulenes was established by palladium-catalyzed homocoupling reactions of the corresponding 1-haloazulenes in the presence of ferrocene. The optical properties of the novel 1,2-biazulenes were investigated by UV/Vis spectroscop
Autor:
Taku Shoji, Masafumi Yasunami, Daichi Nagai, Kunihide Fujimori, Tetsuo Okujima, Miwa Tanaka, Shunji Ito, Kozo Toyota, Erika Shimomura, Akifumi Maruyama
Publikováno v:
ChemistrySelect. 1:49-57
Tris[(3-phenyl-1-azulenyl)tetracyanobutadiene]s and tris(aryltetracyanobutadiene)s connected to a 1,3,5-tri(1-azulenyl)benzene core (tris-AzTCBDs) have been prepared by the Pd-catalyzed alkynylation of tris(3-iodo-1-azulenyl)benzene derivative with t
Autor:
Akira Ohta, Taku Shoji, Tetsuo Okujima, Akifumi Maruyama, Shunji Ito, Takanori Araki, Ryuta Sekiguchi, Kota Miura
Publikováno v:
The Journal of organic chemistry. 83(12)
We describe the comparative study of optical and electrochemical properties of tetracyanobutadienes (TCBDs) and dicyanoquinodimethanes (DCNQs) with a 2-methyl-1-azulenyl group and their derivatives with a 1-azulenyl substituent examined under the sam
Publikováno v:
Bulletin of the Chemical Society of Japan. 88:1338-1346
Ferrocene-substituted 1,1,4,4-tetracyano-1,3-butadienes (FcTCBDs) connected by arylamine and azobenzene spacers were prepared by the reaction of a variety of alkynes with tetracyanoethylene (TCNE) ...
Autor:
Chisa Yaku, Tetsuo Okujima, Taku Shoji, Kozo Toyota, Akifumi Maruyama, Natsumi Kamata, Shunji Ito
Publikováno v:
CHEMISTRY-A EUROPEAN JOURNAL. 21(1):402-409
Aryl-substituted 1,1,4,4-tetracyano-1,3-butadienes (FcTCBDs) and bis(1,1,4,4-tetracyanobutadiene)s (bisFcTCBDs), possessing a ferrocenyl group on each terminal, were prepared by the reaction of a variety of alkynes with tetracyanoethylene (TCNE) in a
Autor:
Tetsuo Okujima, Taku Shoji, Junya Higashi, Masafumi Yasunami, Noboru Morita, Shunji Ito, Akifumi Maruyama
Publikováno v:
HETEROCYCLES. 89(11):2588-2603
Preparation of 2-aryl- and 6-heteroarylazulenes 2-6 and 8-10 was established by the palladium-catalyzed cross-coupling reaction of the corresponding haloazulenes with lithium aryl- and heteroarylmagnesium ate complexes, which were readily prepared fr
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
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 ...
Autor:
Taku Shoji, Shunji Ito, Miwa Tanaka, Kanami Miyashita, Tetsuo Okujima, Takanori Araki, Ryuta Sekiguchi, Akifumi Maruyama
Publikováno v:
ChemInform. 47
The synthesis of 1,2′-biazulenes was established by palladium-catalyzed homocoupling reactions of the corresponding 1-haloazulenes in the presence of ferrocene. The optical properties of the novel 1,2′-biazulenes were investigated by UV/Vis spect