Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Tatsujiro Ishimori"'
Publikováno v:
Inorganica Chimica Acta. 238:89-97
Crystal structures of the three geometrical isomers (1, 2 and 3) of [RuCl(2eqn)2NO] (H2eqn = 2-ethyl-8-quinolinol) have been determined by X-ray diffraction. The Cl atom is cis to the NO group in 1 and 2, and is trans to the NO group in 3. The N and
Publikováno v:
Bulletin of the Chemical Society of Japan. 67:1816-1824
The structures of trans-[RuX(en)2NO]X′2 (X = OH (1), Cl (3), or NCS (4), en = ethylenediamine, X′ = Br (1), Cl (3), or NCS (4)), trans-[Ru(H2O)(en)2NO]Cl3 (2), cis-[RuX(en)2NO]XPF6 (X = Cl (5), or Br (6)), and cis-[Ru(NCS)(en)2NO]I2·H2O (7) were
Publikováno v:
Bulletin of the Chemical Society of Japan. 67:1809-1815
In this study trans-[Ru(OH)(en)2NO]2+ (en = ethylenediamine) as well as trans- and cis-[RuX(en)2NO]n+ (X = Cl, Br, I, OAc (acetate), and NCS where n = 2; X = H2O where n = 3) were prepared. The complexes were characterized by IR, NMR, and UV-vis spec
Autor:
Tatsujiro Ishimori, Kunihiko Mizumachi, Akio Urushiyama, Risa Asanuma, Hiroshi Tomizawa, Eiichi Miki
Publikováno v:
Bulletin of the Chemical Society of Japan. 67:1274-1280
Some kinds of {RuII-NO+}-type complexes containing a diethylenetriamine ligand were prepared from hydrous RuX3·NO (X = Cl or Br) and diethylenetriamine. Among them, the crystal and molecular structures for trans-mer-[RuCl2(dien)NO]PF6 (1) and mer-[R
Autor:
Masayoshi Nakahara, Akio Urushiyama, Tatsujiro Ishimori, Eiichi Miki, Hiroshi Tomizawa, Kazumasa Harada, Kunihiko Mizumachi
Publikováno v:
Bulletin of the Chemical Society of Japan. 66:1658-1663
A mixture of mer- and fac-[RuCl3(en)NO], and mer-[RuX3(en)NO] (X = Br or I) were prepared from the corresponding [RuX5NO]2− (X = Cl, Br, or I) or hydrous RuX3·NO (X = Cl or Br) and en·2HX (en = ethylenediamine; X = Cl or Br). The crystal and mole
Publikováno v:
Chemistry Letters. 22:537-540
The reversible thermal isomerization among the trans and two kinds of cis geometrical isomers of [RuCl(2mqn)2(NO)] (2mqn = 2-methyl-8-quinolinolate ion) was observed in degassed DMSO (dimethyl sulfoxide) at higher than 363 K. The mole ratio of the ci
Autor:
Takashi Nagai, Tatsujiro Ishimori, Eiichi Miki, Noriharu Nagao, Hiroshi Tomizawa, Hitoshi Iwasaki, Mikio Tanaka, Hiroharu Masano, Kunihiko Mizumachi
Publikováno v:
Inorganica Chimica Acta. 205:129-136
A mixture of hydrated nitrosylruthenium(III) chloride and 2-methyl-8-quinolinol (H2mqu) (1:4 molar ratio) in acetic acid aqueous solution adjusted to pH 5.5 and warmed at c. 70 °C for 2 h led to preparation of cis- [Ru(OAc)(2mqn)2NO] which has cis(0
Autor:
Kazumasa Harada, Hiroshi Tomizawa, Masayoshi Nakahara, Eiichi Miki, Kunihiko Mizumachi, Tatsujiro Ishimori
Publikováno v:
Bulletin of the Chemical Society of Japan. 65:2490-2493
The title compounds, trans(1) and cis(2) isomers, were isolated by means of QAE-Sephadex A-25 column chromatography from a reaction mixture of [Co(CO3)(en)2]Cl with L-tartaric acid. The crystal structure of 1 was determined by the X-ray diffraction s
Autor:
Masayoshi Nakahara, Kunihiko Mizumachi, Eiichi Miki, Tatsujiro Ishimori, Yukiko Kamata, Michiko Umehara, Mikio Tanaka, Takashi Nagai, Kazumasa Harada
Publikováno v:
Polyhedron. 10:583-589
Hydrous nitrosylruthenium(III) halide reacts with 8-quinolinol or its derivative (2-methyl- or 5-chloro-8-quinolinol) in ethyl alcohol or acetonitrile to give [RuX3(N-O)(NO)]− [X = Cl or Br; H(N-O) = 8-quinolinol or its derivative]. All the halide
Autor:
Kunihiko Mizumachi, Eiichi Miki, Hirobumi Tezuka, Mikio Tanaka, Tatsujiro Ishimori, Toshiaki Maejima
Publikováno v:
Bulletin of the Chemical Society of Japan. 63:1596-1601
[Co(qn)2]· 2H2O (1) (qn=8-quinolinolate ion) and [Co(NO)(qn)2] (2) reacted with NO in 10 vol% pyridine–DMF or pyridine to give the nitrato complex, [Co(NO3)(qn)2L] (L=pyridine or DMF), with liberation of N2O. [Co(NO)(qn)2(py)] (py=pyridine) having