Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yukihiro Kuge"'
Autor:
Masaji Kasai, Masanori Ikuta, Nobuyuki Kato, Shinji Tomioka, Sachiko Kato, Yukihiro Kuge, Toru Sugaya, Takashi Mimura
Publikováno v:
Synthesis. 1999:947-952
Publikováno v:
Journal of Molecular Catalysis B: Enzymatic. 3:285-292
The synthesis of optically active 5-acetoxy-3-(p-fluorophenoxy)-1-pentanol 4, for the synthesis of the potent β-blocker R-67555, bis[2-(2-chromanyl-6-fluoro)-2-hydroxyethyl]amine 1, was investigated. The acetylation of 3-(p-fluorophenoxy)-1,5-pentan
Autor:
Shinji Tomioka, Yukihiro Kuge, Katsuhiko Ando, Takayuki Uwajima, Tamotsu Eguchi, Junji Kanazawa, Masami Okabe, Kunimi Inoue, Takashi Oshiro, Toru Sugaya, Kenichi Mochida
Publikováno v:
J. Chem. Soc., Perkin Trans. 1. :1427-1431
Chemoenzymic large-scale synthesis of the calcium salt of (6S)-5-formyltetrahydrofolic acid [(–)-leucovorin, (6S)-5] was achieved from folic acid 1via(6S)-tetrahydrofolic acid [(6S)-3] by using dihydrofolate reductase (DHFR) produced by Escherichia
Publikováno v:
Bioscience, Biotechnology, and Biochemistry. 57:1157-1160
Methyl (+/-)-11-(2-hydroxyethyl)thio-6,11-dihydrodibenz[b,e]oxepin- 2- carboxylate (5) was enantio-selectively acylated with acetic anhydride in an organic medium by Lipase Amano P to give methyl (-)-11-(2-acetoxyethyl)thio-6,11-dihydrodibenz[b,e]oxe
Publikováno v:
ChemInform. 26
1-Phenyl-3-nitroso-4-amino-1,8-naphthyridin-2(1H)-one (9) was prepared on a large scale and was converted to 5-phenyl-imidazo[4,5-c] [1,8]naphthyridin-4(5H)-one (KF17625, 1) which exhibits potent antiasthmatic activity.
Publikováno v:
ChemInform. 25
Autor:
Shinji Tomioka, Takashi Mimura, Sachiko Kato, Toru Sugaya, Masanori Ikuta, Nobuyuki Kato, Masaji Kasai, Yukihiro Kuge
Publikováno v:
ChemInform. 28
Autor:
Sachiko Kato, Shinji Tomioka, Toru Sugaya, Masanori Ikuta, Nobuyuki Kato, Takashi Mimura, Yukihiro Kuge, Masaji Kasai
Publikováno v:
ChemInform. 30
Publikováno v:
Agricultural and Biological Chemistry. 55:1099-1104
The hydroxylation of 2-phenylpropionic acid (PPH) to 2-(p-hydroxyphenyl)propionic acid (HPPH) was investigated using various microorganisms. The highest hydroxylating activity was found in Streptomyces rimosus ATCC 10907. The reaction product was iso
Autor:
Takashi Oshiro, Masanori Iwakura, Kenichi Mochida, Akiko Igarashi, Takayuki Uwajima, Tamotsu Eguchi, Akira Horiguchi, Yukihiro Kuge
Publikováno v:
Biochemical and Biophysical Research Communications. 171:684-689
Optically pure l-leucovorin was synthesized on a large scale by the combination of chemical and enzymatic processes. After reduction of folate with zinc, dihydrofolate was reduced asymmetrically to (6)-tetra-hydrofolate by use of dihydrofolate reduct