Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Seiho, Kikuchi"'
Autor:
Yoshiki Morimoto, Takahiro Maruyama, Keisuke Nishikawa, Yusuke Araki, Seiho Kikuchi, Takayuki Noguchi, Mari Yotsu-Yamashita
Publikováno v:
Organic Letters. 23:1703-1708
In this contribution, we propose a new synthetic approach to tetrodotoxin (TTX), one of the most famous marine toxins that, after first preparing a functionalized linear substrate, forms a cyclohexane core from the substrate utilizing our mercuric tr
Autor:
Keisuke, Nishikawa, Takayuki, Noguchi, Seiho, Kikuchi, Takahiro, Maruyama, Yusuke, Araki, Mari, Yotsu-Yamashita, Yoshiki, Morimoto
Publikováno v:
Organic letters. 23(5)
In this contribution, we propose a new synthetic approach to tetrodotoxin (TTX), one of the most famous marine toxins that, after first preparing a functionalized linear substrate, forms a cyclohexane core from the substrate utilizing our mercuric tr
Autor:
Tomoyuki Koyama, Momochika Kumagai, Seiho Kikuchi, Yoshiki Morimoto, Takeshi Kodama, Shinnosuke Ezaki, Kengo Yamauchi, Kunihiro Matsumura, Haruka Nokubo, Keisuke Nishikawa
Publikováno v:
Chemistry – A European Journal. 23:9535-9545
The enantioselective total syntheses of lepadiformine marine alkaloids, azatricyclic natural products isolated from marine tunicates, were completed. These alkaloids have a unique chemical structure characterized by the trans-1-azadecalin (AB ring sy
Autor:
Subaru Hashimoto, Seiho Kikuchi, Yoshiki Morimoto, Takeshi Kodama, Yoshimitsu Tachi, Keisuke Nishikawa, Tomoki Matsuo
Publikováno v:
Tetrahedron Letters. 56:5345-5348
Heronapyrroles A and B with promising and selective antibacterial activity but no cytotoxicity against mammalian cell lines are among members of rare and unique 4-farnesylated-2-nitropyrrole natural products. The absolute configurations at C7 and C15
Autor:
Keisuke, Nishikawa, Kengo, Yamauchi, Seiho, Kikuchi, Shinnosuke, Ezaki, Tomoyuki, Koyama, Haruka, Nokubo, Kunihiro, Matsumura, Takeshi, Kodama, Momochika, Kumagai, Yoshiki, Morimoto
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 23(40)
The enantioselective total syntheses of lepadiformine marine alkaloids, azatricyclic natural products isolated from marine tunicates, were completed. These alkaloids have a unique chemical structure characterized by the trans-1-azadecalin (AB ring sy
Autor:
Takeshi Kodama, Shinnosuke Ezaki, Haruka Nokubo, Yoshiki Morimoto, Yoshimitsu Tachi, Seiho Kikuchi, Tomoyuki Koyama, Keisuke Nishikawa
Publikováno v:
Organic letters. 17(23)
A cytotoxic marine alkaloid (-)-lepadiformine A (1) possesses a unique structure characterized by the trans-1-azadecalin AB ring system fused with the AC spiro-cyclic ring. In this research, we found that a cycloisomerization reaction from amino ynon
Autor:
Takeshi Kodama, Keisuke Nishikawa, Tomoki Matsuo, Shingo Aoki, Seiho Kikuchi, Yoshiki Morimoto, Yoshimitsu Tachi
Publikováno v:
Tetrahedron Letters. 54:5647-5649
The first concise total synthesis of C 2 symmetric (+)-ekeberin D 4 ( 1 ) that exhibits antiplasmodial activity has been achieved in total nine steps and 27% yield from the known diol 4 . The efficient synthetic method features the regio- and diaster
Autor:
Kengo Yamauchi, Haruka Nokubo, Takeshi Kodama, Momochika Kumagai, Shinnosuke Ezaki, Yoshiki Morimoto, Keisuke Nishikawa, Seiho Kikuchi, Kunihiro Matsumura, Tomoyuki Koyama
Publikováno v:
Chemistry – A European Journal. 23:9699-9699
Autor:
Keisuke Nishikawa, Seiho Kikuchi, Shinnosuke Ezaki, Tomoyuki Koyama, Haruka Nokubo, Takeshi Kodama, Yoshimitsu Tachi, Yoshiki Morimoto
Publikováno v:
Organic Letters; Dec2015, Vol. 17 Issue 23, p5772-5775, 4p