Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Kiyoshi Bannai"'
Publikováno v:
ChemInform. 22
Autor:
Okamura Noriaki, K. Tomimori, Kenji Manabe, Kiyoshi Bannai, Y. Kato, A. Hazato, S. Sugiura, Toshio Tanaka, Seizi Kurozumi, Ryoji Noyori
Publikováno v:
ChemInform. 22
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 29:1041-1050
The syntheses of [7-2H]-, [7-3H]-, and [2,2,3,3,4,4-2H6]-(16S)-15-deoxy-16- hydroxy-16-methyl-5-thiaprostaglandin E1 methyl ester (2, 3, and 4) are described. Both 7-labeled compounds, 2 and 3, were prepared from the Δ7-precursor (11) by treatment w
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 29:933-944
The syntheses of [19,20-3H2]- and [3,3,4,4,5,5,6,6-2H8]-(17R)- 17,20-dimethyl-7-thiaprostaglandin E1 methyl esters (3 and 5) are described. The di-tritiated compound 3 was prepared from its protected (Z)-Δ 19-precursor (21) via catalytic reduction w
Publikováno v:
Journal of Labelled Compounds and Radiopharmaceuticals. 29:667-680
Two types of poly-deuterated isocarbacyclin [9(O)-methano-Δ6(9α)-prostaglandin I1] methyl ester have been synthesized for the use of GC-MS quantitative analysis as internal standards and for the use of metabolic study as substrates. The 5,13,14-2H3
Publikováno v:
Tetrahedron. 47:1861-1876
Isocarbacyclin [(+)-9( O )-methano-Δ 6(9α) -prostaglandin I 1 ] ( 2 ) was synthesized from bicyclic synthons such as 2-phosphorylated, 2-(thio)phosphorylated, 2-tosylated, 2-methoxycarbonylated, and 2-chloro-3-methylenebicyclo[3.3,0]octanes via hig
Autor:
Hirohito Muramatsu, Kazuhiko Koike, Tetsuji Takayama, Katsuhisa Kogawa, Naoki Watanabe, Yoshihiro Mogi, Yutaka Kohgo, Kiyoshi Bannai, Yoshiro Niitsu, Naohito Yoshizaki
Publikováno v:
Japanese Journal of Cancer Research : Gann
We established five clones (ML-01, ML-02, MH-01, MH-02, MH-03) from murine 3-methylcholan-threne-induced fibrosarcoma A (Meth A), and investigated their experimental metastatic potentials in relation to their platelet-aggregating activities. A clone
Autor:
Satoshi Sugiura, Toshio Tanaka, Okamura Noriaki, Yoshinori Kato, Kenji Manabe, Koji Tomimori, Kiyoshi Bannai, Ryoji Noyori, Seizi Kurozumi, Atsuo Hazato
Publikováno v:
Tetrahedron. 46:6689-6704
Syntheses of isocarbacyclin (20) using highly regioselective alkylation of the new allylic alcohol intermediate 6 having an exocyclic double bond are described. The allylic alcohol 6 was prepared by (i) allylic rearrangement of the allylic alcohol 3
Publikováno v:
Journal of Pharmacy and Pharmacology. 42:362-363
4-Thia-prostaglandin E1 and to a lesser extent 7-fluoroprostacyclin showed a potent protective effect against carbon tetrachloride-induced liver injury in-vivo and in-vitro in rat.
Isolation of a new metabolite of vitamin D produced in vivo, 1α,25-dihydroxyvitamin D3-26,23-lactone
Publikováno v:
Archives of Biochemistry and Biophysics. 204:387-391
A new vitamin D metabolite was isolated in pure form from the blood of rats given oral doses of 50 μg/kg of 1α-hydroxyvitamin D 3 . The isolation involved methanol-chloroform extraction and four successive column chromatographic procedures. A tenta