Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Eiki Shitara"'
Autor:
Takehiro Fukami, Yui Mazaki, Kenichi Washizuka, Hideaki Niwa, Takeshi Tsumura, Hiroo Koyama, Yuko Kano, Yasuko Koda, Fumiyuki Shirai, Kouichi Kitamura, Yoko Yashiroda, Anna Mizutani, Hitomi Yuki, Eiki Shitara, Hiroyuki Seimiya, Teruki Honma, Shin Sato, Tsubasa Chikada, Minoru Yoshida, Masayuki Okue, Takashi Watanabe, Takashi Umehara, Yukiko Muramatsu, Akiko Nagamori, Myung-Kyu Jang, Haruka Yoshida, Mikako Shirouzu
Publikováno v:
Journal of medicinal chemistry. 63(8)
Tankyrases (TNKS/TNKS2) belong to the poly(ADP-ribose) polymerase family. Inhibition of their enzymatic activities attenuates the Wnt/β-catenin signaling, which plays an important role in cancer pathogenesis. We previously reported the discovery of
Autor:
Eijiro Umemura, Yoshinari Wakiyama, Ko Kumura, Kazutaka Ueda, Hideki Fushimi, Takashi Watanabe, Keiichi Ajito, Eiki Shitara, Takuji Yoshida
Publikováno v:
The Journal of Antibiotics. 69:440-445
The synthesis and antibacterial activity of (7S)-7-sulfur-azetidin-3-yl lincomycin derivatives are described. Modification was achieved by a simple reaction of (7R)-7-O-methanesulfonyllincomycin and the corresponding substituted azetidine-2-thiol. Se
Autor:
Tomoaki Miura, Kenichi Kanemoto, Hideki Fushimi, Keiichi Ajito, Takuji Yoshida, Eiki Shitara, Satomi Natsume
Publikováno v:
Bioorganic & Medicinal Chemistry. 18:2735-2747
The design and synthesis of 16-membered azalides modified at the C-15 and 4'' positions are described. The compounds we report here are characterized by an arylpropenyl group attached to the C-15 position of macrolactone and a carbamoyl group at the
Autor:
Takahisa Maruyama, Eiji Matsuhisa, Hiromi Meiji Seika Kaisha Ltd. Takata, Eiki Shitara, Katsuyoshi Iwamatsu, Yuko Kano, Toshihiko Takata, Yasuo Yamamoto, Mizuyo Kurazono, Kunio Atsumi
Publikováno v:
Bioorganic & Medicinal Chemistry. 15:6379-6387
A new series of 1β-methyl carbapenems possessing a 6,7-disubstituted imidazo[5,1- b ]thiazol-2-yl group directly attached to the C-2 position of the carbapenem nucleus was prepared, and the activities of these compounds against methicillin-resistant
Synthesis and SAR study of novel 7-(pyridinium-3-yl)-carbonyl imidazo[5,1-b]thiazol-2-yl carbapenems
Autor:
Katsuyoshi Iwamatsu, Yasuo Yamamoto, Takahisa Maruyama, Kunio Atsumi, Eiki Shitara, Mizuyo Kurazono, Yuko Kano
Publikováno v:
Bioorganic & Medicinal Chemistry. 15:392-402
A new series of 1β-methyl carbapenems, possessing a 7-substituted imidazo[5,1- b ]thiazol-2-yl group directly attached to the C-2 position of the carbapenem nucleus, was synthesized and evaluated for antibacterial activity. These compounds showed po
Autor:
Eiki Shitara, Minoru Yonezawa, Yoko Hirai, Takahisa Maruyama, Mizuyo Kurazono, Takashi Ida, Keiko Yamada
Publikováno v:
Antimicrobial Agents and Chemotherapy. 48:2831-2837
ME1036, formerly CP5609, is a novel parenteral carbapenem with a 7-acylated imidazo[5,1- b ]thiazole-2-yl group directly attached to the carbapenem moiety of the C-2 position. The present study evaluated the in vitro activities of ME1036 against clin
Publikováno v:
Organic Letters. 2:3837-3840
[reaction: see text] 6-Acetamido-5-amino- and -5-guanidino-3, 4-dehydro-N-(2-ethylbutyryl)-3-piperidinecarboxylic acids (8 and 9) have been synthesized starting from natural siastatin B, a bacterial neuraminidase inhibitor isolated from Streptomyces
Publikováno v:
Bioorganic & Medicinal Chemistry. 8:343-352
An efficient route from D-ribono-gamma-lactone to gem-diamine 1-N-iminosugars of L-fucose-type, a new family of glycosidase inhibitor, has been developed in a formation of a gem-diamine 1-N-iminopyranose ring by the Mitsunobu reaction of an aminal as
Publikováno v:
Bioorganic & Medicinal Chemistry. 7:1241-1246
gem-Diamine 1-N iminosugars of d -glucose-type, a new type of glycosidase inhibitors, have been synthesized from siastatin B, isolated from Streptomyces culture. 2-Trifluoroacetamido-1-N-iminosugar, (2S,3R,4R,5R)-2-trifluoroacetamido-5-hydroxymethylp
Publikováno v:
Tetrahedron Letters. 40:2351-2354
Gem-diamine 1-N-iminosugars of l-fucose-type, a new type of glycosidase inhibitor, have been synthesized from d-ribono-γ-lactone, involving the formation of a gem-diamine 1-N-iminopyranose ring by the Mitsunobu reaction of an aminal as a key step. T