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1

Cytotoxic flavonoids from Vitex agnus-castus

Chieko Hirobe, Zhi-Sheng Qiao, Koichi Takeya, Hideji Itokawa

Journal:

Year:

1997

Language:

english

File:

PDF, 269 KB

english, 1997

2

Two new diarylheptanoids from Alpinia officinarum Hance.

ITOKAWA, HIDEJI, MORITA, MAKOTO, MIHASHI, SUSUMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1981

File:

PDF, 417 KB

1981

3

On the Cactus-Alkaloids of Lophophora williamsii var. caespitosa (Kobuki-ubadama)

FUJITA, MITIITI, ITOKAWA, HIDEJI, INOUE(nee, OKA), NOZU, YOSHIMASA, GOTO, NATSUE, HASEGAWA, KAZUKO

Journal:

YAKUGAKU ZASSHI

Year:

1972

File:

PDF, 1.05 MB

1972

4

Squalene derivatives from Eurycoma longifolia

Hiroshi Morita, Etsuko Kishi, Koichi Takeya, Hideji Itokawa, Yoichi Iitaka

Journal:

Year:

1993

Language:

english

File:

PDF, 670 KB

english, 1993

5

A cyclic heptapeptide from Vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa, Osamu Shirota

Journal:

Year:

1996

Language:

english

File:

PDF, 230 KB

english, 1996

6

Segetalins B, C and D, three new cyclic peptides from Vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa, Kenji Yamada

Journal:

Year:

1995

Language:

english

File:

PDF, 571 KB

english, 1995

7

Dichotomins A - E, new cyclic peptides from stellaria dichotoma L. var. lanceolata Bge.

Hiroshi Morita, Takashi Kayashita, Akira Shishido, Koichi Takeya, Hideji Itokawa, Motoo Shiro

Journal:

Year:

1996

Language:

english

File:

PDF, 826 KB

english, 1996

8

Segetalin A, a new cyclic hexapeptide from vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 307 KB

english, 1994

9

Cycloleonuripeptides A, B and C, three new proline-rich cyclic nonapeptides from Leonurus heterophyllus

Hiroshi Morita, Akira Gonda, Koichi Takeya, Hideji Itokawa

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1996

Language:

english

File:

PDF, 236 KB

english, 1996

10

Cyclolinopeptides F–I, cyclic peptides from linseed

Teruki Matsumoto, Akira Shishido, Hiroshi Morita, Hideji Itokawa, Koichi Takeya

Journal:

Year:

2001

Language:

english

File:

PDF, 293 KB

english, 2001

11

Pseudostellarins A - C, new tyrosinase inhibitory cyclic peptides from Pseudostellaria heterophylla

Hiroshi Morita, Takashi Kayashita, Hideyuki Kobata, Akira Gonda, Koichi Takeya, Hideji Itokawa

Journal:

Year:

1994

Language:

english

File:

PDF, 511 KB

english, 1994

12

Cycloleonuripeptide D, a new proline-rich cyclic decapeptide from Leonurus heterophyllus

Hiroshi Morita, Akira Gonda, Koichi Takeya, Hideji Itokawa, Yoichi Iitaka

Journal:

Year:

1997

Language:

english

File:

PDF, 617 KB

english, 1997

13

Solution state conformation of an immunosuppressive cyclic dodecapeptide, cycloleonurinin

Hiroshi Morita, Akira Gonda, Koichi Takeya, Hideji Itokawa, Toshihiko Hirano, Kitaro Oka, Osamu Shirota

Journal:

Year:

1997

Language:

english

File:

PDF, 591 KB

english, 1997

14

Pseudostellarin G, a new tyrosinase inhibitory cyclic octapeptide from Pseudostellaria heterophylla

Hiroshi Morita, Hideyuki Kobata, Koichi Takeya, Hideji Itokawa

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 218 KB

english, 1994

15

Eurylene, a new squalene-type triterpene from Eurycoma longifolia

Hideji Itokawa, Etsuko Kishi, Hiroshi Morita, Koichi Takeya, Yoichi Iitaka

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 169 KB

english, 1991

16

Plant-derived natural product research aimed at new drug discovery

Hideji Itokawa, Susan L. Morris-Natschke, Toshiyuki Akiyama, Kuo-Hsiung Lee

Journal:

Journal of Natural Medicines

Year:

2008

Language:

english

File:

PDF, 627 KB

english, 2008

17

Two triterpenes from the flowers of Camellia japonica

Hideji Itokawa, Hiroyuki Nakajima, Akira Ikuta, Yoichi Iitaka

Journal:

Year:

1981

Language:

english

File:

PDF, 396 KB

english, 1981

18

Pseudostellarins D - F, new tyrosinase inhibitory cyclic peptides from Pseudostellaria heterophylla

Hiroshi Morita, Takashi Kayashita, Hideyuki Kobata, Akira Gonda, Koichi Takeya, Hideji Itokawa

Journal:

Year:

1994

Language:

english

File:

PDF, 539 KB

english, 1994

19

Cyclic Peptides from Higher Plants. 34. 1 Segetalins G and H, Structures and Estrogen-like Activity of Cyclic Pentapeptides from Vaccaria segetalis

Yun, Young Sook, Morita, Hiroshi, Takeya, Koichi, Itokawa, Hideji

Journal:

Journal of Natural Products

Year:

1997

Language:

english

File:

PDF, 145 KB

english, 1997

20

High Performance Liquid Chromatography in Phytochemical Analysis of Eurycoma longifolia

Chan, Kit-Lam, Choo, Chee-Yan, Morita, Hiroshi, Itokawa, Hideji

Journal:

Year:

1998

Language:

english

File:

PDF, 368 KB

english, 1998

21

New Diterpenes from Alpinia galanga WILD.

Morita, Hiroshi, Itokawa, Hideji

Journal:

Chemistry Letters

Year:

1986

Language:

english

File:

PDF, 5.87 MB

english, 1986

22

Labdane and bisnorlabdane type diterpenes from Alpinia speciosa K. Schum.

ITOKAWA, HIDEJI, MORITA, MAKOTO, MIHASHI, SUSUMU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 427 KB

1980

23

Conformational Analysis of Cyclolinopeptides A and B.

Teruki Matsumoto, Akira Shishido, Hiroshi Morita, Hideji Itokawa, Koichi Takeya

Journal:

Year:

2002

File:

PDF, 23 KB

2002

24

Phenolic compounds from the rhizomes of Alpinia speciosa

Hideji Itokawa, Makoto Morita, Susumu Mihashi

Journal:

Year:

1981

Language:

english

File:

PDF, 324 KB

english, 1981

25

A pungent diarylheptanoid from Alpinia oxyphylla

Hideji Itokawa, Ritsuo Aiyama, Akira Ikuta

Journal:

Year:

1981

Language:

english

File:

PDF, 340 KB

english, 1981

26

Diterpenes from the rhizomes of Alpinia formosana

Hideji Itokawa, Shinji Yoshimoto, Hiroshi Morita

Journal:

Year:

1988

Language:

english

File:

PDF, 271 KB

english, 1988

27

Cytotoxic azadirachtin-type limonoids from Melia azedarach

Koichi Takeya, Zhi-Sheng Qiao, Chieko Hirobe, Hideji Itokawa

Journal:

Year:

1996

Language:

english

File:

PDF, 257 KB

english, 1996

28

Crystal and solution forms of a cyclic heptapeptide, pseudostellarin D1)

Hiroshi Morita, Takashi Kayashita, Koichi Takeya, Hideji Itokawa, Motoo Shiro

Journal:

Year:

1995

Language:

english

File:

PDF, 652 KB

english, 1995

29

Cephalotaxidine, a novel dimeric alkaloid from Cephalotaxus harringtonia var. drupacea

Ichiro Takano, Ichiro Yasuda, Motohiro Nishijima, Yukio Hitotsuyanagi, Koichi Takeya, Hideji Itokawa

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 144 KB

english, 1996

30

Anti-tumor agents 255: Novel glycyrrhetinic acid–dehydrozingerone conjugates as cytotoxic agents

Jin Tatsuzaki, Masahiko Taniguchi, Kenneth F. Bastow, Kyoko Nakagawa-Goto, Susan L. Morris-Natschke, Hideji Itokawa, Kimiye Baba, Kuo-Hsiung Lee

Journal:

Bioorganic & Medicinal Chemistry

Year:

2007

Language:

english

File:

PDF, 284 KB

english, 2007

31

Simulatneous determination of baicalein, wogonin, oroxylin-A and their glucuronides in scutellariae radix by ion-pair high-performance liquid chromatography

Kazuhiko Sagara, Yuji Ito, Toshiyuki Oshima, Tetsuo Misaki, Hiroshi Murayama, Hideji Itokawa

Journal:

Journal of Chromatography A

Year:

1985

Language:

english

File:

PDF, 528 KB

english, 1985

32

Cyclic octapeptides from Stellaria dichotoma var. lanceolata

Hiroshi Morita, Koichi Takeya, Hideji Itokawa

Journal:

Year:

1997

Language:

english

File:

PDF, 255 KB

english, 1997

33

Conformational analysis of a tyrosinase inhibitory cyclic pentapeptide, pseudostellarin A, from Pseudostellaria heterophylla

Hiroshi Morita, Takashi Kayashita, Koichi Takeya, Hideji Itokawa

Journal:

Year:

1994

Language:

english

File:

PDF, 678 KB

english, 1994

34

Conformational analysis of cyclolinopeptides and

Teruki Matsumoto, Akira Shishido, Hiroshi Morita, Hideji Itokawa, Koichi Takeya

Journal:

Year:

2002

Language:

english

File:

PDF, 183 KB

english, 2002

35

Conformation of cyclic heptapeptides: solid and solution state conformation of yunnanin A

Hiroshi Morita, Takashi Kayashita, Koichi Takeya, Hideji Itokawa, Motoo Shiro

Journal:

Year:

1997

Language:

english

File:

PDF, 737 KB

english, 1997

36

Cyclolinopeptides B - E, new cyclic peptides from Linum usitatissimum

Hiroshi Morita, Akira Shishido, Teruki Matsumoto, Hideji Itokawa, Koichi Takeya

Journal:

Year:

1999

Language:

english

File:

PDF, 586 KB

english, 1999

37

Antitumor Agents. Part 214: Synthesis and Evaluation of Curcumin Analogues as Cytotoxic Agents

Junko Ishida, Hironori Ohtsu, Yoko Tachibana, Yuka Nakanishi, Kenneth F Bastow, Masahiro Nagai, Hui-Kang Wang, Hideji Itokawa, Kuo-Hsiung Lee

Journal:

Bioorganic & Medicinal Chemistry

Year:

2002

Language:

english

File:

PDF, 187 KB

english, 2002

38

Thionation of segetalins A and B, cyclic peptides with estrogen-like activity from seeds of Vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa, Osamu Shirota

Journal:

Bioorganic & Medicinal Chemistry

Year:

1997

Language:

english

File:

PDF, 464 KB

english, 1997

39

Recent advances in the investigation of curcuminoids

Hideji Itokawa, Qian Shi, Toshiyuki Akiyama, Susan L Morris-Natschke, Kuo-Hsiung Lee

Journal:

Chinese Medicine

Year:

2008

Language:

english

File:

PDF, 1.24 MB

english, 2008

40

Cytotoxic activity of Typhonium flagelliforme (Araceae)

Chee-Yan Choo, Kit-Lam Chan, Koichi Takeya, Hideji Itokawa

Journal:

Phytotherapy Research

Year:

2001

Language:

english

File:

PDF, 66 KB

english, 2001

41

A pungent principle from Alpinia oxyphylla

Hideji Itokawa, Ritsuo Aiyama, Akira Ikuta

Journal:

Year:

1982

Language:

english

File:

PDF, 284 KB

english, 1982

42

Conformational analysis of a cyclic hexapeptide, segetalin A from Vaccaria segetalis

Hiroshi Morita, Young Sook Yun, Koichi Takeya, Hideji Itokawa, Motoo Shiro

Journal:

Year:

1995

Language:

english

File:

PDF, 956 KB

english, 1995

43

Structure–cytotoxic activity relationship for the toad poison bufadienolides

Yoshiaki Kamano, Ayano Kotake, Hirofumi Hashima, Masuo Inoue, Hiroshi Morita, Koichi Takeya, Hideji Itokawa, Nobuyo Nandachi, Toshiaki Segawa, Ayako Yukita, Kyoko Saitou, Mariko Katsuyama, George R Pe

Journal:

Bioorganic & Medicinal Chemistry

Year:

1998

Language:

english

File:

PDF, 648 KB

english, 1998

44

Antitumor Agents. 217.† Curcumin Analogues as Novel Androgen Receptor Antagonists with Potential as Anti-Prostate Cancer Agents

Ohtsu, Hironori, Xiao, Zhiyan, Ishida, Junko, Nagai, Masahiro, Wang, Hui-Kang, Itokawa, Hideji, Su, Ching-Yuan, Shih, Charles, Chiang, Tzuying, Chang, Eugene

Journal:

Journal of Medicinal Chemistry

Year:

2002

Language:

english

File:

PDF, 123 KB

english, 2002

45

Cyclic Peptides from Higher Plants. 39. Dichotomins F and G, Cyclic Peptides from Stellaria dichotoma var. lanceolata †

Morita, Hiroshi, Shishido, Akira, Kayashita, Takashi, Takeya, Koichi, Itokawa, Hideji

Journal:

Journal of Natural Products

Year:

1997

Language:

english

File:

PDF, 155 KB

english, 1997

46

Antihepatotoxic actions of gingerols and diarylheptanoids

Hiroshi, Hiking, Yoshinobu, Kiso, Nobuharu, Kato, Yasumasa, Hamada, Takayuki, Shioiri, Ritsuo, Aiyama, Hideji, Itokawa, Fumiyuki, Kiuchi, Ushio, Sankawa

Journal:

Journal of Ethnopharmacology

Year:

1985

Language:

english

File:

PDF, 558 KB

english, 1985

47

Cycloleonuripeptides E and F, Cyclic Nonapeptides from Leonurus h eterophyllus

Morita, Hiroshi, Iizuka, Toru, Gonda, Akira, Itokawa, Hideji, Takeya, Koichi

Journal:

Journal of Natural Products

Year:

2006

Language:

english

File:

PDF, 41 KB

english, 2006

48

Cyclic Peptides from Higher Plants. 33. † Delavayins A−C, Three New Cyclic Peptides from Stellaria delavayi

Morita, Hiroshi, Kayashita, Takashi, Uchida, Akihiro, Takeya, Koichi, Itokawa, Hideji

Journal:

Journal of Natural Products

Year:

1997

Language:

english

File:

PDF, 129 KB

english, 1997

49

QSAR Evaluation of the Ch'an Su and Related Bufadienolides against the Colchicine-Resistant Primary Liver Carcinoma Cell Line PLC/PRF/5 1

Kamano, Yoshiaki, Yamashita, Ayano, Nogawa, Toshihiko, Morita, Hiroshi, Takeya, Koichi, Itokawa, Hideji, Segawa, Toshiaki, Yukita, Ayako, Saito, Kyoko, Katsuyama, Mariko, Pettit, George R.

Journal:

Journal of Medicinal Chemistry

Year:

2002

Language:

english

File:

PDF, 562 KB

english, 2002

50

Cyclic Peptides from Higher Plants. 24. 1 Yunnanin C, a Novel Cyclic Heptapeptide from Stellaria yunnanensis

Morita, Hiroshi, Kayashita, Takashi, Shimomura, Masako, Takeya, Koichi, Itokawa, Hideji

Journal:

Journal of Natural Products

Year:

1996

Language:

english

File:

PDF, 128 KB

english, 1996