Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yoshimasa Yasuda"'
Autor:
Junki Tanaka, Satoshi Okusu, Haruhiko Fukaya, Kazuki Hirano, Norio Shibata, Yoshimasa Yasuda, Etsuko Tokunaga
Publikováno v:
Organic Letters. 18:5568-5571
Efavirenz is manufactured worldwide, and its asymmetric synthesis requires a complex organometallic approach, while an organocatalytic approach is far less efficient. The first highly enantioselective approach is disclosed for the synthesis of Efavir
Publikováno v:
RSC Advances. 6:82716-82720
The Ruppert–Prakash reagent is the most powerful and well-documented reagent for trifluoromethylation. Despite its versatility, no general method exists for its use in a flow system. Here we report the first flow trifluoromethylation of carbonyl co
Autor:
Ikuo Matsuura, Yukari Sato, Mayumi Fujishiro, Yasuyuki Ohnishi, Kiyoshi Wako, Yumi Wako, Dai Yamamoto, Shino Kumabe, Yoshimasa Yasuda
Publikováno v:
Fundamental Toxicological Sciences. 2:101-110
Autor:
Takashi Kitayama, Yutaka Sugita, Etsuko Tokunaga, Yoshimasa Yasuda, Norio Shibata, Hiroyuki Kawai, Satoshi Okusu
Publikováno v:
Asian Journal of Organic Chemistry. 3:449-452
We demonstrate a metal-free catalytic process for the synthesis of anti-HIV drug efavirenz in 99 % ee, which was achieved by an organocatalyzed enantioselective trifluoromethylation with Me3SiCF3 as a key reaction. The combination of cinchona alkaloi
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 34:1195-1203
A new type of waste gas treatment was previously proposed in the packed column containing the immobilized activated sludge gel beads of 5 mm in diameter together with the hollow plastic balls of 10 mm in the optimal diameter with their optimal volume
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 33:721-729
The axial distribution of gel beads suspended completely in a bubble column was measured by sampling the three-phase dispersion through a vertical pipe located at any height of the column axis under various operating conditions of superficial gas vel
Publikováno v:
KAGAKU KOGAKU RONBUNSHU. 17:882-889
セルラーゼの利用率およびセルロースの糖化率, 糖化速度の増大に適した反応器形式を探索した.杉, 松および櫟粒子を高濃度下で希薄セルラーゼによって糖化した.撹拌槽反応器での糖化
Autor:
Makoto Kimura, Satoru Ohtani, Katsumi Nakao, Kimitoshi Fukunaga, Yoshimasa Yasuda, Keiji Furumoto
Publikováno v:
KAGAKU KOGAKU RONBUNSHU. 17:873-881
グルコースオキシダーゼ (GO) によるグルコースの酸素酸化反応を用いて, 定常溶存酸素濃度CO,Sを測定することによって気液間酸素移動容量係数kLaと固液間酸素移動係数kSを決定する方法
Publikováno v:
Annals of the New York Academy of Sciences. 613:802-807
Publikováno v:
Biochemical engineering journal. 8(1)
The removal of mixed acetaldehyde and propionaldehyde as a model of the binary contaminants in waste gas was studied in the packed column containing the immobilized activated sludge gel beads together with the hollow plastic balls developed for the r