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Dive into the research topics where Junko Takashima is active.

Publication


Featured researches published by Junko Takashima.


Chemical & Pharmaceutical Bulletin | 2007

New Constituents from the Leaves of Morinda citrifolia

Junko Takashima; Yoshitaka Ikeda; Kanki Komiyama; Masahiko Hayashi; Akio Kishida; Ayumi Ohsaki


Journal of Natural Products | 2004

Four New Triterpenoids from Maytenus ilicifolia

Ayumi Ohsaki; Yoji Imai; Meiko Naruse; Shin-ichi Ayabe; Kanki Komiyama; Junko Takashima


Journal of Natural Products | 1999

A new vitamin E (alpha-tocomonoenol) from eggs of the Pacific salmon Oncorhynchus keta

Yorihiro Yamamoto; Nobuo Maita; Akio Fujisawa; Junko Takashima; Youichi Ishii; Walter C. Dunlap


Journal of Natural Products | 2002

Derrisin, a new rotenoid from Derris malaccensis plain and anti-Helicobacter pylori activity of its related constituents.

Junko Takashima; Noriko Chiba; Kaisuke Yoneda; Ayumi Ohsaki


Archive | 1994

Pi3 kinase-inhibiting agent and its production

Kyoichiro Azuma; Noriko Chiba; Takashi Mikawa; Hiroshi Ogawara; Junko Takashima; 隆 三川; 紀子 千葉; 宏 小河原; 恭一郎 東; 純子 高嶋


Journal of Natural Products | 2002

Brosimacutins A-I, nine new flavonoids from Brosimum acutifolium

Junko Takashima; Ayumi Ohsaki


Archive | 1994

Didepside derivative and pi3 kinase inhibitor

Kyoichiro Azuma; Hiroshi Ogawara; Junko Takashima; 宏 小河原; 恭一郎 東; 純子 高嶋


Journal of Natural Products | 2001

Acutifolins A-F, a new flavan-derived constituent and five new flavans from Brosimum acutifolium

Junko Takashima; Ayumi Ohsaki


The Journal of Antibiotics | 1994

Inhibitors of diacylglycerol kinase from Drechslera sacchari.

Hiroshi Ogawara; Kyoichiro Higashi; Toshiki Machida; Junko Takashima; Noriko Chiba; Takashi Mikawa


Planta Medica | 2002

Mururins A-C, three new lignoids from Brosimum acutifolium and their protein kinase inhibitory activity.

Junko Takashima; Shoichi Asano; Ayumi Ohsaki

Collaboration


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Ayumi Ohsaki

Tokyo Medical and Dental University

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Hiroshi Ogawara

Meiji Pharmaceutical University

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Akio Fujisawa

Tokyo University of Technology

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