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Shigeru Takaoka

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Liva Harinantenaina; Ritsu Kurata; Shigeru Takaoka; Yoshinori Asakawa
Chemical constituents of Malagasy liverworts: cyclomyltaylanoids from Bazzania madagassa.
Liva Harinantenaina; Shigeru Takaoka
Cinnafragrins A-C, dimeric and trimeric drimane sesquiterpenoids from Cinnamosma fragrans, and structure revision of capsicodendrin.
Liva Harinantenaina; Michi Tanaka; Shigeru Takaoka; Munehiro Oda; Orie Mogami; Masayuki Uchida; Yoshinori Asakawa
Momordica charantia constituents and antidiabetic screening of the isolated major compounds.

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All Publications

2006: Liva Harinantenaina; Ritsu Kurata; Shigeru Takaoka; Yoshinori Asakawa
Chemical constituents of Malagasy liverworts: cyclomyltaylanoids from Bazzania madagassa.
Phytochemistry 2006;67(24):2616-22.
2006: Liva Harinantenaina; Shigeru Takaoka
Cinnafragrins A-C, dimeric and trimeric drimane sesquiterpenoids from Cinnamosma fragrans, and structure revision of capsicodendrin.
Journal of natural products 2006;69(8):1193-7.
2006: Liva Harinantenaina; Michi Tanaka; Shigeru Takaoka; Munehiro Oda; Orie Mogami; Masayuki Uchida; Yoshinori Asakawa
Momordica charantia constituents and antidiabetic screening of the isolated major compounds.
Chemical & pharmaceutical bulletin 2006;54(7):1017-21.
2005: Fumihiro Nagashima; Katsuhiro Kishi; Yuko Hamada; Shigeru Takaoka; Yoshinori Asakawa
ent-Verticillane-type diterpenoids from the Japanese liverwort Jackiella javanica.
Phytochemistry 2005;66(14):1662-70.
2004: Fumihiro Nagashima; Moyoko Murakami; Shigeru Takaoka; Yoshinori Asakawa
New sesquiterpenoids from the New Zealand liverwort Chiloscyphus subporosus.
Chemical & pharmaceutical bulletin 2004;52(8):949-52.
2004: Fumihiro Nagashima; Takashi Sekiguchi; Shigeru Takaoka; Yoshinori Asakawa
Terpenoids and aromatic compounds from the New Zealand liverworts Plagiochila, Schistochila, and Heteroscyphus species.
Chemical & pharmaceutical bulletin 2004;52(5):556-60.
2004: Dang Ngoc Quang; Toshihiro Hashimoto; Masami Tanaka; Shigeru Takaoka; Yoshinori Asakawa
Tyromycic acids B-E, new lanostane triterpenoids from the mushroom Tyromyces fissilis.
Journal of natural products 2004;67(2):148-51.
2003: Fumihiro Nagashima; Moyoko Murakami; Shigeru Takaoka; Yoshinori Asakawa
ent-Isopimarane-type diterpenoids from the New Zealand liverwort Trichocolea mollissima.
Phytochemistry 2003;64(8):1319-25.
2003: Pham Thi Hong Minh; Pham Hoang Ngoc; Dang Ngoc Quang; Toshihiro Hashimoto; Shigeru Takaoka; Yoshinori Asakawa
A novel ent-kaurane diterpenoid from the Croton tonkinensis GAGNEP.
Chemical & pharmaceutical bulletin 2003;51(5):590-1.
2003: Dang Ngoc Quang; Toshihiro Hashimoto; Makiko Nukada; Isao Yamamoto; Masami Tanaka; Shigeru Takaoka; Yoshinori Asakawa
Two novel ravenelones from the edible mushroom Pulveroboletus ravenelii.
Chemical & pharmaceutical bulletin 2003;51(3):330-2.
2002: Yasuhiro Shikishima; Yoshihisa Takaishi; Gisho Honda; Michiho Ito; Yoshio Takeda; Motoo Tori; Shigeru Takaoka; Olimjon K Kodzhimatov; Ozodbek Ashurmetov
Sesquiterpenes from Ferula penninervis.
Journal of natural products 2002;65(12):1897-903.
2002: Hongquan Duan; Yoshihisa Takaishi; Motoo Tori; Shigeru Takaoka; Gisho Honda; Michiho Ito; Yoshio Takeda; Olimjon K Kodzhimatov; K Kodzhimatov; Ozodbek Ashurmetov
Polysulfide derivatives from Ferula foetida.
Journal of natural products 2002;65(11):1667-9.
2001: Fumihiro Nagashima; M Suzuki; Shigeru Takaoka; Yoshinori Asakawa
Sesqui- and diterpenoids from the Japanese liverwort Jungermannia infusca.
Journal of natural products 2001;64(10):1309-17.
2001: BN Su; Yoshihisa Takaishi; T Yabuuchi; Takenori Kusumi; Motoo Tori; Shigeru Takaoka; Gisho Honda; Michiho Ito; Yoshio Takeda; Olimjon K Kodzhimatov; Ozodbek Ashurmetov
Sesquiterpenes and monoterpenes from the bark of Inula macrophylla.
Journal of natural products 2001;64(4):466-71.
2000: Fumihiro Nagashima; M Suzuki; Shigeru Takaoka; Yoshinori Asakawa
Clerodane-type diterpenoids from the japanese liverwort Jungermannia infusca (Mitt.) Steph.
Chemical & pharmaceutical bulletin 2000;48(11):1818-21.
2000: Toshihiro Hashimoto; H Irita; Masami Tanaka; Shigeru Takaoka; Yoshinori Asakawa
Pinguisane and dimeric pinguisane-type sesquiterpenoids from the Japanese liverwort Porella acutifolia subsp. tosana.
Phytochemistry 2000;53(5):593-604.
2000: BN Su; Yoshihisa Takaishi; Motoo Tori; Shigeru Takaoka; Gisho Honda; M Itoh; Yoshio Takeda; Olimjon K Kodzhimatov; Ozodbek Ashurmetov
Macrophyllols A and B, two unusual novel sesquiterpene and monoterpene dimers from the bark of Inula macrophylla.
Organic letters 2000;2(4):493-6.
2000: Motoo Tori; T Shimoji; S E Shimura; Shigeru Takaoka; Katsuyuki Nakashima; Masakazu Sono; W A Ayer
Four alkaloids, lucidine B, oxolucidine A, lucidine A, and lucidulinone from Lycopodium lucidulum.
Phytochemistry 2000;53(4):503-9.
1999: Toshihiro Hashimoto; Yoshiaki Noma; S Kato; Masami Tanaka; Shigeru Takaoka; Yoshinori Asakawa
Biotransformation of hinesol isolated from the crude drug Atractylodes lancea by Aspergillus niger and Aspergillus cellulosae.
Chemical & pharmaceutical bulletin 1999;47(5):716-7.