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1

Quassinoids from Eurycoma longifolia

Hooi Hoon Ang, Yukio Hitotsuyanagi, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2002

Language:

english

File:

PDF, 134 KB

english, 2002

2

ChemInform Abstract: Study of Reactive Intermediates in Photoinduced Electron Transfer anti-Markovnikov Addition of Methanol to 1-Phenylcycloalkenes.

Masanobu Kojima, Akito Ishida, Yasunao Kuriyama, Yuji Wada, Haruhiko Takeya

Journal:

Year:

1999

File:

PDF, 30 KB

1999

3

Stemona-amines C–E, new alkaloids from Stemona tuberosa

Hitotsuyanagi, Yukio, Shigemori, Genta, Fukaya, Haruhiko, Hikita, Maho, Zhu, Shu, Komatsu, Katsuko, Takeya, Koichi

Journal:

Tetrahedron Letters

Year:

2013

Language:

english

File:

PDF, 613 KB

english, 2013

4

Isolation, Structure Determination, and Synthesis of Allo-RA-V and Neo-RA-V, RA-Series Bicyclic Peptides from Rubia cordifolia L.

Dr. Yukio Hitotsuyanagi, Masumi Odagiri, Saori Kato, Jun-ichi Kusano, Tomoyo Hasuda, Haruhiko Fukaya, Prof. Dr. Koichi Takeya

Journal:

Chemistry - A European Journal

Year:

2012

Language:

english

File:

PDF, 466 KB

english, 2012

5

ChemInform Abstract: Synthesis of p-tert-Butylthiacalix[4]arene and Its Inclusion Property.

Nobuhiko Iki, Chizuko Kabuto, Takanori Fukushima, Hitoshi Kumagai, Haruhiko Takeya, Setsuko Miyanari, Tsutomu Miyashi, Sotaro Miyano

Journal:

Year:

2000

File:

PDF, 25 KB

2000

6

ChemInform Abstract: Quassinoids from Eurycoma longifolia

Hooi Hoon Ang, Yukio Hitotsuyanagi, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2002

File:

PDF, 28 KB

2002

7

A cis Amide Bond Surrogate Incorporating 1,2,4-Triazole.

Yukio Hitotsuyanagi, Shuichi Motegi, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2002

File:

PDF, 35 KB

2002

8

Structures of New Alkaloids Sessilifoliamides A—D from Stemona sessilifolia.

Daichi Kakuta, Yukio Hitotsuyanagi, Naofumi Matsuura, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2004

File:

PDF, 72 KB

2004

9

Rakanmakilactones A—F, New Cytotoxic Sulfur-Containing Norditerpene Dilactones from Leaves of Podocarpus macrophyllus var. maki.

Hyun-Sun Park, Naoki Yoda, Haruhiko Fukaya, Yutaka Aoyagi, Koichi Takeya

Journal:

Year:

2004

File:

PDF, 94 KB

2004

10

New Cytotoxic Norditerpene Dilactones from Leaves of Podocarpus macrophyllus var. maki.

Hyun-Sun Park, Noriyuki Kai, Haruhiko Fukaya, Yutaka Aoyagi, Koichi Takeya

Journal:

Year:

2004

File:

PDF, 79 KB

2004

11

Limonoids from Cedrela sinensis.

Kumiko Mitsui, Masato Maejima, Haruhiko Fukaya, Yukio Hitotsuyanagi, Koichi Takeya

Journal:

Year:

2005

File:

PDF, 15 KB

2005

12

ChemInform Abstract: New Cytotoxic Nor- and Bisnorditerpene Dilactones, Makilactones A-D, from Podocarpus macrophyllus D. Don.

Kimihiko Sato, Keito Sugawara, Hirono Takeuchi, Hyun-Sun Park, Toshiyuki Akiyama, Tetsuo Koyama, Haruhiko Fukaya, Yutaka Aoyagi, Koichi Takeya

Journal:

Year:

2009

File:

PDF, 21 KB

2009

13

ChemInform Abstract: Cytotoxic Bisnor- and Norditerpene Dilactones Having 7α,8α-Epoxy-9,11-enolide Substructure from Podocarpus macrophyllus D. Don.

Kimihiko Sato, Yasunori Inaba, Hyun-Sun Park, Toshiyuki Akiyama, Tetsuo Koyama, Haruhiko Fukaya, Yutaka Aoyagi, Koichi Takeya

Journal:

Year:

2009

File:

PDF, 29 KB

2009

14

ChemInform Abstract: Sesquiterpene Lactones from Daucus glaber.

Amal A. Sallam, Yukio Hitotsuyanagi, El-Sayed S. Mansour, Atallah F. Ahmed, Sahar Gedara, haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2010

File:

PDF, 25 KB

2010

15

ChemInform Abstract: Structures of Stemoxazolidinones A—F, Alkaloids from Stemona sessilifolia.

Yukio Hitotsuyanagi, Maho Hikita, Gou Uemura, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2011

File:

PDF, 29 KB

2011

16

Sesquiterpene Lactones from Daucus glaber

Amal A. Sallam, Yukio Hitotsuyanagi, El-Sayed S. Mansour, Atallah F. Ahmed, Sahar Gedara, Haruhiko Fukaya, Koichi Takeya

Journal:

Helvetica Chimica Acta

Year:

2010

Language:

english

File:

PDF, 271 KB

english, 2010

17

Per-N-methylated analogues of an antitumor bicyclic hexapeptide RA-VII

Yukio Hitotsuyanagi, Ji-Ean Lee, Saori Kato, Ik-Hwi Kim, Hideyuki Kohashi, Haruhiko Fukaya, Koichi Takeya

Journal:

Bioorganic & Medicinal Chemistry

Year:

2011

Language:

english

File:

PDF, 566 KB

english, 2011

18

Semisynthesis of C-ring modified triptolide analogues and their cytotoxic activities

Yutaka Aoyagi, Yukio Hitotsuyanagi, Tomoyo Hasuda, Haruhiko Fukaya, Koichi Takeya, Ritsuo Aiyama, Takeshi Matsuzaki, Shusuke Hashimoto

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2006

Language:

english

File:

PDF, 213 KB

english, 2006

19

Fluorination of triptolide and its analogues and their cytotoxicity

Yutaka Aoyagi, Yukio Hitotsuyanagi, Tomoyo Hasuda, Saki Matsuyama, Haruhiko Fukaya, Koichi Takeya, Ritsuo Aiyama, Takeshi Matsuzaki, Shusuke Hashimoto

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2008

Language:

english

File:

PDF, 365 KB

english, 2008

20

Design and synthesis of a bis(cycloisodityrosine) analogue of RA-VII, an antitumor bicyclic hexapeptide

Ji-Ean Lee, Yukio Hitotsuyanagi, Yoshie Nakagawa, Saori Kato, Haruhiko Fukaya, Koichi Takeya

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2008

Language:

english

File:

PDF, 341 KB

english, 2008

21

Semisynthesis of triptolide analogues: Effect of γ-lactone and C-14 substituents on cytotoxic activities

Yutaka Aoyagi, Yukio Hitotsuyanagi, Tomoyo Hasuda, Haruhiko Fukaya, Koichi Takeya, Ritsuo Aiyama, Takeshi Matsuzaki, Shusuke Hashimoto

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2011

Language:

english

File:

PDF, 945 KB

english, 2011

22

Limonoids from Cedrela sinensis

Kumiko Mitsui, Masato Maejima, Haruhiko Fukaya, Yukio Hitotsuyanagi, Koichi Takeya

Journal:

Year:

2004

Language:

english

File:

PDF, 471 KB

english, 2004

23

Cucurbitacins from Bryonia cretica

Amal A. Sallam, Yukio Hitotsuyanagi, El-Sayed S. Mansour, Atallah F. Ahmed, Sahar Gedara, Haruhiko Fukaya, Koichi Takeya

Journal:

Phytochemistry Letters

Year:

2010

Language:

english

File:

PDF, 333 KB

english, 2010

24

Rakanmakilactones A–F, new cytotoxic sulfur-containing norditerpene dilactones from leaves of Podocarpus macrophyllus var. maki

Hyun-Sun Park, Naoki Yoda, Haruhiko Fukaya, Yutaka Aoyagi, Koichi Takeya

Journal:

Year:

2004

Language:

english

File:

PDF, 322 KB

english, 2004

25

Triterpenoids from Cedrela sinensis

Kumiko Mitsui, Masato Maejima, Hiroaki Saito, Haruhiko Fukaya, Yukio Hitotsuyanagi, Koichi Takeya

Journal:

Year:

2005

Language:

english

File:

PDF, 458 KB

english, 2005

26

Structures of four new alkaloids from Stemona sessilifolia

Yukio Hitotsuyanagi, Maho Hikita, Takahisa Oda, Daichi Kakuta, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2007

Language:

english

File:

PDF, 302 KB

english, 2007

27

Three new diterpenoids, tricalysiolide H and tricalysiones A and B, from Tricalysia dubia

Koichi Nishimura, Yukio Hitotsuyanagi, Kei-ichi Sakakura, Kazuya Fujita, Shigeki Tachihara, Haruhiko Fukaya, Yutaka Aoyagi, Tomoyo Hasuda, Takeshi Kinoshita, Koichi Takeya

Journal:

Year:

2007

Language:

english

File:

PDF, 347 KB

english, 2007

28

Structures of stemoxazolidinones A–F, alkaloids from Stemona sessilifolia

Yukio Hitotsuyanagi, Maho Hikita, Gou Uemura, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2011

Language:

english

File:

PDF, 987 KB

english, 2011

29

Efficient synthesis of novel cytotoxic cis-fused α-methylene γ-lactones from 7,14-dihydroxy-ent-kaurenes by transformation under Mitsunobu reaction conditions

Yutaka Aoyagi, Ming-Yu Gui, Yong-Ri Jin, Xu-Wen Li, Takeshi Noguchi, Haruhiko Fukaya, Tomoyo Hasuda, Koichi Takeya

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 318 KB

english, 2004

30

Biomimetic synthesis of grandione from demethylsalvicanol via hetero-Diels–Alder type dimerization and structure revision of grandione

Yutaka Aoyagi, Yoshinao Takahashi, Yudai Satake, Haruhiko Fukaya, Koichi Takeya, Ritsuo Aiyama, Takeshi Matsuzaki, Shusuke Hashimoto, Tsutomu Shiina, Teruo Kurihara

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 218 KB

english, 2005

31

Salvileucalin C, a novel rearranged neoclerodane diterpene from Salvia leucantha

Yutaka Aoyagi, Akira Yamazaki, Reiko Kato, Fukuya Tobe, Haruhiko Fukaya, Tadateru Nishikawa, Atsufumi Nakahashi, Nobuaki Miura, Kenji Monde, Koichi Takeya

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 645 KB

english, 2011

32

Structures of new alkaloids sessilifoliamides A–D from Stemona sessilifolia

Daichi Kakuta, Yukio Hitotsuyanagi, Naofumi Matsuura, Haruhiko Fukaya, Koichi Takeya

Journal:

Year:

2003

Language:

english

File:

PDF, 282 KB

english, 2003

33

Crystal and solution state conformations of two taxoids, taxinine and taxinine B

Hiroshi Morita, Lan Wei, Akira Gonda, Koichi Takeya, Hideji Itokawa, Haruhiko Fukaya, Hideyuki Shigemori, Jun'ichi Kobayashi

Journal:

Year:

1997

Language:

english

File:

PDF, 322 KB

english, 1997

34

Crystal structure and inclusion property of p-tert-butylthiacalix[6]arene

Nobuhiko Iki, Naoya Morohashi, Tomohiro Suzuki, Satoshi Ogawa, Mitsuru Aono, Chizuko Kabuto *, Hitoshi Kumagai *, Haruhiko Takeya, Setsuko Miyanari, Sotaro Miyano *

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 145 KB

english, 2000

35

Photooxygenation of stilbenes in zeolite by excitation of their contact charge transfer complexes with oxygen

Haruhiko Takeya, Yasunao Kuriyama, Masanobu Kojima

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 208 KB

english, 1998

36

A new synthesis of 5-aminolevulinic acid via dye-sensitized oxygenation of N-furfurylphthalimide

Haruhiko Takeya, Hiroyuki Ueki, Setsuko Miyanari, Toshio Shimizu, Masanobu Kojima

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

1996

Language:

english

File:

PDF, 351 KB

english, 1996

37

Phenylpropanoid triesters from Daucus glaber

Amal A. Sallam, Yukio Hitotsuyanagi, El-Sayed S. Mansour, Atallah F. Ahmed, Sahar Gedara, Haruhiko Fukaya, Koichi Takeya

Journal:

Phytochemistry Letters

Year:

2009

Language:

english

File:

PDF, 199 KB

english, 2009

38

Sessilifoliamine A and sessilifoliamide J: new alkaloids from Stemona sessilifolia

Yukio Hitotsuyanagi, Erika Takeda, Haruhiko Fukaya, Koichi Takeya

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 248 KB

english, 2008

39

Synthesis of p-tert-Butylthiacalix[4]arene and its Inclusion Property

Nobuhiko Iki, Chizuko Kabuto, Takanori Fukushima, Hitoshi Kumagai, Haruhiko Takeya, Setsuko Miyanari, Tsutomu Miyashi, Sotaro Miyano

Journal:

Year:

2000

Language:

english

File:

PDF, 229 KB

english, 2000

40

O-Seco-RA-XXIV, a possible precursor of an antitumor peptide RA-XXIV, from Rubia cordifolia L.

Yukio Hitotsuyanagi, Jun-ichi Kusano, Ik-Hwi Kim, Tomoyo Hasuda, Haruhiko Fukaya, Koichi Takeya

Journal:

Phytochemistry Letters

Year:

2012

Language:

english

File:

PDF, 554 KB

english, 2012

41

HISTO- and IMMUNOPATHOLOGIGAL FEATURES OF TERMINAL AIDS. An Autopsy Case of a Japanese Man with Neurological Signs as Initial Symptoms

Haruhiko Miyayama, Motohiro Takeya, Kiyoshi Takahashi, Atushi Koito, Toshio Hattori, Kiyoshi Takatsuki

Journal:

Pathology International

Year:

1988

File:

PDF, 5.24 MB

1988

42

Immunohistochemical Evidence for a Macrophage Scavenger Receptor in Mato Cells and Reactive Microglia of Ischemia and Alzheimer's Disease

Makoto Honda, Haruhiko Akiyama, Yoshihiko Yamada, Hiromi Kondo, Yoshiki Kawabe, Motohiro Takeya, Kiyoshi Takahashi, Hiroshi Suzuki, Takefumi Doi, Atsushi Sakamoto, Shigeo Ookawara, Masao Mato, Peter J

Journal:

Biochemical and Biophysical Research Communications

Year:

1998

Language:

english

File:

PDF, 578 KB

english, 1998

43

Fluorinated and rearranged gedunin derivatives

Yukio Hitotsuyanagi, Kumiko Mitsui, Haruhiko Fukaya, Koichi Takeya

Journal:

Phytochemistry Letters

Year:

2012

Language:

english

File:

PDF, 436 KB

english, 2012

44

A postmortem study of malignant glucagonoma with heart muscle hypertrophy, including chemical, histochemical, immunohistological, and ultrastructural observations

Masataka Takemiya, Haruhiko Miyayama, Motohiro Takeya, Tadao Takeuchi, Toshimitsu Konno, Masato Kitoh, Hideo Fukushima

Journal:

Human Pathology

Year:

1981

Language:

english

File:

PDF, 6.73 MB

english, 1981

45

Organic Single Crystal Transistors: Interface Modification with SAMs and Double Gate Structure

Iwasa, Yoshihiro, Asanuma, Haruhiko, Shimotani, Hidekazo, Takenobu, Taishi, Nishikawa, Takao, Takeya, Jun

Journal:

Molecular Crystals and Liquid Crystals

Year:

2006

Language:

english

File:

PDF, 416 KB

english, 2006

46

Structures of stemona-amine B and stemona-lactams M–R

Hitotsuyanagi, Yukio, Fukaya, Haruhiko, Takeda, Erika, Matsuda, Shoko, Saishu, Yuka, Zhu, Shu, Komatsu, Katsuko, Takeya, Koichi

Journal:

Year:

2013

Language:

english

File:

PDF, 1.27 MB

english, 2013

47

Tricalysiamides A−D, Diterpenoid Alkaloids from Tricalysia dubia

Nishimura, Koichi, Hitotsuyanagi, Yukio, Sugeta, Noriko, Fukaya, Haruhiko, Aoyagi, Yutaka, Hasuda, Tomoyo, Kinoshita, Takeshi, Takeya, Koichi

Journal:

Journal of Natural Products

Year:

2007

Language:

english

File:

PDF, 106 KB

english, 2007

48

Semisynthesis of salviandulin E analogues and their antitrypanosomal activity

Aoyagi, Yutaka, Fujiwara, Koji, Yamazaki, Akira, Sugawara, Naoko, Yano, Reiko, Fukaya, Haruhiko, Hitotsuyanagi, Yukio, Takeya, Koichi, Ishiyama, Aki, Iwatsuki, Masato, Otoguro, Kazuhiko, Yamada, Haruk

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

49

Efficient transformation of 7,14-dihydroxy-ent-kaurenes to novel ent-abietanes having cis-fused α-methylene γ-lactones under Mitsunobu reaction conditions and their cytotoxicities

Aoyagi, Yutaka, Ozawa, Kei, Kobayashi, Tatsuya, Hasuda, Tomoyo, Gui, Ming-Yu, Jin, Yong-Ri, Li, Xu-Wen, Fukaya, Haruhiko, Yano, Reiko, Hitotsuyanagi, Yukio, Takeya, Koichi

Journal:

Year:

2014

Language:

english

File:

PDF, 1.08 MB

english, 2014

50

Salvileucalin B, A Novel Diterpenoid with an Unprecedented Rearranged Neoclerodane Skeleton from Salvia leucantha Cav.

Aoyagi, Yutaka, Yamazaki, Akira, Nakatsugawa, Chihiro, Fukaya, Haruhiko, Takeya, Koichi, Kawauchi, Susumu, Izumi, Hiroshi

Journal:

Organic Letters

Year:

2008

Language:

english

File:

PDF, 234 KB

english, 2008