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1

Total Synthesis, Structural Revision, and Biological Evaluation of Calafianin, a Marine Spiroisoxazoline from the Sponge, Aplysina gerardogreeni

Ogamino, Takahisa, Obata, Rika, Tomoda, Hiroshi, Nishiyama, Shigeru

Journal:

Bulletin of the Chemical Society of Japan

Year:

2006

Language:

english

File:

PDF, 117 KB

english, 2006

2

Synthesis of Bioactive Sesquiterpene Heliannuol E Involving a Ring-Expansion Reaction of Spirodienones.

Fuminao Doi, Takahisa Ogamino, Takeshi Sugai, Shigeru Nishiyama

Journal:

Year:

2003

File:

PDF, 16 KB

2003

3

Enantioselective Synthesis of Heliannuol E: Structural Consideration of the Natural Molecule.

Fuminao Doi, Takahisa Ogamino, Takeshi Sugai, Shigeru Nishiyama

Journal:

Year:

2003

File:

PDF, 61 KB

2003

4

A Total Synthesis of Verbenachalcone, a Bioactive Diaryl Ether from Verbena littoralis.

Takamasa Tanabe, Fuminao Doi, Takahisa Ogamino, Shigeru Nishiyama

Journal:

Year:

2004

File:

PDF, 58 KB

2004

5

The First Total Synthesis and Absolute Stereochemistry of Plakortone G from the Jamaican Sponge Plakortis sp.

Satomi Kowashi, Takahisa Ogamino, Junichi Kamei, Yuichi Ishikawa, Shigeru Nishiyama

Journal:

Year:

2004

File:

PDF, 57 KB

2004

6

The First Total Synthesis of SB87-Cl (Ia) and Pestalone (Ib), Novel Bioactive Benzophenone Natural Products.

Daisuke Iijima, Daisuke Tanaka, Motoko Hamada, Takahisa Ogamino, Yuichi Ishikawa, Shigeru Nishiyama

Journal:

Year:

2004

File:

PDF, 10 KB

2004

7

Synthesis of Chroman Derivatives by the Ring Expansion Reaction of Spirodienones, and an Assessment of Their Plant Growth Inhibition.

Fuminao Doi, Taiga Ohara, Takahisa Ogamino, Keiko Higashinakasu, Koji Hasegawa, Shigeru Nishiyama

Journal:

Year:

2005

File:

PDF, 21 KB

2005

8

Synthesis and Structural Revision of Calafianin, a Member of the Spiroisoxazole Family Isolated from the Marine Sponge, Aplysina gerardogreeni.

Takahisa Ogamino, Shigeru Nishiyama

Journal:

Year:

2005

File:

PDF, 13 KB

2005

9

The Chemistry of Phenylpyruvic Acid Oxime, Bioactive Substances from Marine Origin

Takahisa Ogamino, Shigeru Nishiyama

Journal:

Year:

2005

File:

PDF, 8 KB

2005

10

Synthesis of verbenachalcone congeners and their biological assessment against activation of the NGF-mediated neurite outgrowth of PC12D cells’ activity

Takamasa Tanabe, Takahisa Ogamino, Yoshifumi Shimizu, Masaya Imoto, Shigeru Nishiyama

Journal:

Bioorganic & Medicinal Chemistry

Year:

2006

Language:

english

File:

PDF, 335 KB

english, 2006

11

Electrochemical bromination of germacrene D

Takahisa Ogamino, Kazuki Mori, Shosuke Yamamura, Shigeru Nishiyama

Journal:

Electrochimica Acta

Year:

2004

Language:

english

File:

PDF, 133 KB

english, 2004

12

Plant-growth inhibitory activity of heliannuol derivatives

Fuminao Doi, Taiga Ohara, Takahisa Ogamino, Takeshi Sugai, Keiko Higashinakasu, Kosumi Yamada, Hideyuki Shigemori, Koji Hasegawa, Shigeru Nishiyama

Journal:

Year:

2004

Language:

english

File:

PDF, 240 KB

english, 2004

13

Synthesis and biological assessment of hemiacetal spiro derivatives towards development of efficient chemotherapeutic agent

Takahisa Ogamino, Sayo Ohnishi, Yuichi Ishikawa, Takeshi Sugai, Rika Obata, Shigeru Nishiyama

Journal:

Science and Technology of Advanced Materials

Year:

2006

Language:

english

File:

PDF, 198 KB

english, 2006

14

A new ring-opening access to aeroplysinin-1, a secondary metabolite of Verongia aerophoba

Takahisa Ogamino, Shigeru Nishiyama

Journal:

Year:

2003

Language:

english

File:

PDF, 154 KB

english, 2003

15

A total synthesis of verbenachalcone, a bioactive diaryl ether from Verbena littoralis

Takamasa Tanabe, Fuminao Doi, Takahisa Ogamino, Shigeru Nishiyama

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 265 KB

english, 2004

16

The first total synthesis and absolute stereochemistry of plakortone G from the Jamaican sponge Plakortis sp.

Satomi Kowashi, Takahisa Ogamino, Junichi Kamei, Yuichi Ishikawa, Shigeru Nishiyama

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 270 KB

english, 2004

17

The first total synthesis of SB87-Cl and pestalone, novel bioactive benzophenone natural products

Daisuke Iijima, Daisuke Tanaka, Motoko Hamada, Takahisa Ogamino, Yuichi Ishikawa, Shigeru Nishiyama

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 259 KB

english, 2004

18

Synthesis and structural revision of calafianin, a member of the spiroisoxazole family isolated from the marine sponge, Aplysina gerardogreeni

Takahisa Ogamino, Shigeru Nishiyama

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 134 KB

english, 2005

19

Asymmetric synthesis of aerothionin, a marine dimeric spiroisoxazoline natural product, employing optically active spiroisoxazoline derivative

Takahisa Ogamino, Rika Obata, Shigeru Nishiyama

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 165 KB

english, 2006

20

Enantioselective synthesis of heliannuol E; structural consideration of natural molecule

Fuminao Doi, Takahisa Ogamino, Takeshi Sugai, Shigeru Nishiyama

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 154 KB

english, 2003

21

Electrochemical Synthesis of Spiroisoxazole Derivatives and Its Application to Natural Products

Nishiyama, Shigeru, Ogamino, Takahisa, Ishikawa, Yuichi

Journal:

Year:

2003

Language:

english

File:

PDF, 372 KB

english, 2003

22

Synthetic Studies of Mangostin Derivatives with an Inhibitory Activity on PDGF-Induced Human Aortic Smooth Cells Proliferation

Nishiyama, Shigeru, Nishihama, Yuko, Ogamino, Takahisa, Lei Shi, Wen, Cha, Byung-Yoon, Yonezawa, Takayuki, Teruya, Toshiaki, Nagai, Kazuo, Suenaga, Kiyotake, Woo, Je-Tae

Journal:

Year:

2009

Language:

english

File:

PDF, 260 KB

english, 2009

23

Synthesis of Chroman Derivatives by the Ring Expansion Reaction of Spirodienones, and an Assessment of their Plant Growth Inhibition

Doi, Fuminao, Ohara, Taiga, Ogamino, Takahisa, Higashinakasu, Keiko, Hasegawa, Koji, Nishiyama, Shigeru

Journal:

Bulletin of the Chemical Society of Japan

Year:

2004

Language:

english

File:

PDF, 122 KB

english, 2004

24

Synthesis and Antitumor Activity of Combretastatin D-4

Nishiyama, Shigeru, Uno, Kanako, Tanabe, Takamasa, Ogamino, Takahisa, Okada, Ryoko, Imoto, Masaya

Journal:

Year:

2008

Language:

english

File:

PDF, 473 KB

english, 2008

25

Oxidation of Mangostins, the Naturally Occurring Xanthone Derivatives Carrying Diverse Biological Activities

NISHIHAMA, Yuko, AMANO, Yoshiharu, OGAMINO, Takahisa, NISHIYAMA, Shigeru

Journal:

Electrochemistry

Year:

2006

Language:

english

File:

PDF, 325 KB

english, 2006