Výsledky vyhledávání - "Tosio Sakurai"

Anomalies within Alkyl and Alkoxy Substituted Bis (1,3-diphenylpropane - 1,3 dionato) Copper (II) metallomesogens from X-ray and EPR Studies

Autor: Monisha Bose, Kazuchika Ohta, Chanchal K. Majumdar, Tosio Sakurai

Publikováno v: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 326:229-247

Our previous EPR studies dealt with the contrasting behaviour of the lamellar C8OCu, as against the columnar C8Cu/C10Cu. X-ray and EPR studies of C n , Cu(n = 6–12) and CnOCu(n = 6–12) presented here, however, indicate that some members exhibit a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6a284e36aca347eafc173213bb8c63d
https://doi.org/10.1080/10587259908025417

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Assembly of Carbohydrates on a Nickel(II) Center by Utilizing N-Glycosidic Bond Formation with Tris(2-aminoethyl)amine (tren). Syntheses and Characterization of [Ni{N-(aldosyl)-tren}(H2O)]2+, [Ni{N,N‘-bis(aldosyl)-tren}]2+ and [Ni{N,N‘,N‘‘-tris(aldosyl)-tren}]2+

Autor: Yasuhiro Yamamoto, Katsuaki Ishida, Reiko Nouchi, Mayumi Doi, Kimiko Kobayashi, Masako Kato, Tomoaki Tanase, Tosio Sakurai, Yutaka Sato, Shigenobu Yano

Publikováno v: Inorganic Chemistry. 35:4848-4857

Reactions of [Ni(tren)(H(2)O)(2)]X(2) (tren = tris(2-aminoethyl)amine; X = Cl (1a), Br (1b); X(2) = SO(4) (1c)) with mannose-type aldoses, having a 2,3-cis configuration (D-mannose and L-rhamnose), afforded {bis(N-aldosyl-2-aminoethyl)(2-aminoethyl)a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d051d34c01c06c4005b757d97a44d656
https://doi.org/10.1021/ic960012e

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Structure of the double salt [CoII(Cl)L3]Cl–[CoIII(CO3)L3]Cl [L3=(2R,5R,8R,11R)-1,7-dibenzyl-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane] and related species

Autor: Kimiko Kobayashi, Noriyuki Yasuda, Shigeyuki Hanabira, Tosio Sakurai, Kaoru Tsuboyama, Sei Tsuboyama, Junichi Fujimoto

Publikováno v: J. Chem. Soc., Dalton Trans.. :45-51

The hydrochloride of the chiral cyclen ligand L3[(2R,5R,8R,11R)-1,7-dibenzyl-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane] reacted with Na3[CoIII(CO3)3] in acidic and alcoholic aqueous solution to give two crystalline complexes, [CoII(Cl)L3]Cl�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6505ba4fb39aa27f4fd59afbfea40b81
https://doi.org/10.1039/dt9960000045

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Spectroscopic studies on copper(II) complexes of chiral cyclens: [CuN4Cl] chromophores varying from square pyramidal to trigonal bipyramidal stereochemistry

Autor: Fujito Nemoto, Kazuhiko Ishizu, Tosio Sakurai, Sei Tsuboyama, Yuji Kajikawa, Kaoru Tsuboyama, Kimiko Kobayashi, Nagao Azuma, Takashi Takakuwa, Yuji Kohno

Publikováno v: Inorganica Chimica Acta. 215:109-121

A series of five copper(II) complexes with four geometrically isomeric ligands of 1,4,7,10-tetrabenzyl-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane and with (2R,5R,8R,11R)-2,5,8,11-tetraethyl-1,4,7,10-tetraazacyclododecane has been investigated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e62c55b8c113791c3892295e36b8e8df
https://doi.org/10.1016/0020-1693(93)03677-3

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Efficient stereochemical regulation of octahedral cobalt(III) complexes by a chiral bidentate ligand. Part 2. Remarkable effect of the chelate-ring size in the stereoselective formation of sym-cis-(ethylenediamine-N,N′-diacetato)(pentane-2,4-diamine)cobalt(III)

Autor: Sadao Yoshikawa, Morio Yashiro, Takashi Murata, Kimiko Kobayashi, Makoto Komiyama, Shigenobu Yano, Mitsunobu Sato, Tosio Sakurai, Masao Kosaka

Publikováno v: J. Chem. Soc., Dalton Trans.. :1511-1516

The chiral diamine (2R), (4R)-pentane-2,4-diamine (2R,4R-ptn) has been found efficiently to regulate the stereochemistry of the cobalt(III) complex [Co(edda)(2R,4R-ptn)]+(edda = ethylenediamine-N,N′-diacetate). The product ratio Λ-sym-cis:Δ-sym-c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72d4c9c573ce0dd9942fe7e6069e30c0
https://doi.org/10.1039/dt9940001511

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ChemInform Abstract: Cycloaddition Reactions of 2-Acetylamino-, 2-Alkylamino-, 8-Ethylamino- , and 8-Acetylamino-1-azaazulenes with Dimethyl Acetylenedicarboxylate

Autor: Noritaka Abe, Kunio Urushido, Yoshimasa Hirai, Tosio Sakurai, Yoshimasa Fukazawa, Akikazu Kakehi

Publikováno v: ChemInform. 23

The reactions of 2- and 8-(substituted amino)-1-azaazulenes with dimethyl acetylenedicarboxylate (DMAD) were investigated. Treatment of ethyl 2-acetylamino-1-azaazulene-3-carboxylate with DMAD in refluxing acetonitrile gave 9-ethyl 1,2,3-trimethyl 3a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d92890661f21ad7ea6c0f863da1aae1
https://doi.org/10.1002/chin.199244062

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