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1

High Pressure Organic Chemistry. III. Diels-Alder Reaction of Thiophene with Maleic Anhydride

Kotsuki, Hiyoshizo, Nishizawa, Hitoshi, Kitagawa, Sachio, Ochi, Masamitsu, Yamasaki, Nakamichi, Matsuoka, Kiyoshi, Tokoroyama, Takashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1979

File:

PDF, 776 KB

1979

2

ChemInform Abstract: Crinatusins, Bioactive Diels—Alder Adducts from Cyathocalyx crinatus

Kozo Shibata, Akira Tatsukawa, Ken-ichi Umeoka, Hua Seng Lee, Masamitsu Ochi

Journal:

Year:

2001

File:

PDF, 27 KB

2001

3

LIMONOIDS FROM MELIA AZEDARACH LINN. VAR.JAPONICA MAKINO. III. THE STRUCTURES OF OHCHINAL AND OHCHININ ACETATE

Ochi, Masamitsu, Kotsuki, Hiyoshizo, Kataoka, Toshiko, Tada, Tetsuro, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1978

Language:

english

File:

PDF, 5.70 MB

english, 1978

4

Stereoselective Reduction of Bicyclic Ketals. An Efficient Synthesis of (−)-( R , R )-( cis -6-Methyltetrahydropyran-2-yl)acetic Acid, an Enantiomer of Civet Cat Constituent

Kotsuki, Hiyoshizo, Ushio, Yasuyuki, Kadota, Isao, Ochi, Masamitsu

Journal:

Chemistry Letters

Year:

1988

Language:

english

File:

PDF, 6.13 MB

english, 1988

5

The Reactions of α -Alkoxy-Substituted Styrenes with Dimethyl Acetylenedicarboxylate and Dimethyl Fumarate Novel Adducts in the Reaction with Dimethyl Fumarate

Kotsuki, Hiyoshizo, Yamaguchi, Tadashi, Ohno, Keiji, Ichikawa, Yoshikatsu, Ochi, Masamitsu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1994

File:

PDF, 587 KB

1994

6

Bitter Principles of Aquifoliaceae. III. The Structures and Stereochemistry of Three Aglycones Obtained by the Hydrolysis of Latifoloside A, a Bitter Glycoside from Ilex latifolia Thunb.

Ochi, Masamitsu, Ochiai, Katsumi, Nagao, Kosho, Kubota, Takashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 777 KB

1975

7

Revision of the structures of isodonal, rabdolasional and related diterpenoids.

TAKEDA, Yoshio, FUJITA, Tetsuro, SUN, Han-dong, MINAMI, Yoshinori, OCHI, Masamitsu, CHEN, Cheng-Chang

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1990

File:

PDF, 512 KB

1990

8

Antitumor agents from the cashew (Anacardium occidentale) apple juice

Kubo, Isao., Ochi, Masamitsu., Vieira, Paulo C., Komatsu, Sakae.

Journal:

Journal of Agricultural and Food Chemistry

Year:

1993

Language:

english

File:

PDF, 402 KB

english, 1993

9

ECKOLS, NOVEL PHLOROTANNINS WITH A DIBENZO- p -DIOXIN SKELETON POSSESSING INHIBITORY EFFECTS ON α 2 -MACROGLOBULIN FROM THE BROWN ALGA ECKLONIA KUROME OKAMURA

Fukuyama, Yoshiyasu, Miura, Iwao, Kinzyo, Ziunei, Mori, Hideo, Kido, Masaru, Nakayama, Yasuo, Takahashi, Masayuki, Ochi, Masamitsu

Journal:

Chemistry Letters

Year:

1985

Language:

english

File:

PDF, 7.02 MB

english, 1985

10

Sweet and bitter constituents of Wilbrandia species

Masamitsu Ochi, Koichi Moriyama, Kiyokazu Ohmae, Yoshiyasu Fukuyama, Ken-ichi Nihei, Isao Kubo

Journal:

Year:

2009

Language:

english

File:

PDF, 325 KB

english, 2009

11

Litophynin A and B, Two New Insect Growth Inhibitory Diterpenoids from the Soft Coral Litophyton sp.

Ochi, Masamitsu, Futatsugi, Kensuke, Kotsuki, Hiyoshizo, Ishii, Masahiro, Shibata, Kozo

Journal:

Chemistry Letters

Year:

1987

Language:

english

File:

PDF, 6.58 MB

english, 1987

12

INTRAMOLECULAR DIELS–ALDER REACTIONS OF VINYLFURAN DERIVATIVES A NOVEL APPROACH TO BENZOFURANS

Kotsuki, Hiyoshizo, Kawamura, Ayumi, Ochi, Masamitsu, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1981

Language:

english

File:

PDF, 4.96 MB

english, 1981

13

THE STRUCTURES OF FUKURINOLAL AND FUKURINAL, TWO NEW DITERPENOIDS FROM THE BROWN SEAWEED DILOPHUS OKAMURAI DAWSON

Ochi, Masamitsu, Masui, Norio, Kotsuki, Hiyoshizo, Miura, Iwao, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 7.08 MB

english, 1982

14

The absolute stereochemistry of isoamijiol, a dolastane diterpene, as determined by the C.D. Allylic benzoate method

Harada, Nobuyuki, Yokota, Yoichi, Iwabuchi, Jun, Uda, Hisashi, Ochi, Masamitsu

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1984

Language:

english

File:

PDF, 167 KB

english, 1984

15

Bitter Limonoids from the Fruit of Melia azedarach L. var. japonica Makino

Fukuyama, Yoshiyasu, Miura, Iwao, Ochi, Masamitsu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1983

File:

PDF, 518 KB

1983

16

A New Enantioselective Synthesis of the Aminodihydroisocoumarin Moiety of AI-77-B

Kotsuki, Hiyoshizo, Miyazaki, Aya, Ochi, Masamitsu

Journal:

Chemistry Letters

Year:

1992

File:

PDF, 431 KB

1992

17

A new enantioselective synthesis of (4S, 5S)-5-(N-Boc)-amino-6-cyclohexyl-4-hydroxy-hexanoic acid lactone, a hydroxyethylene dipeptide isostere precursor

Hiyoshizo Kotsuki, Aya Miyaki, Masamitsu Ochi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 101 KB

english, 1991

18

Mild Reduction of Indoles with Zinc Borohydride

Kotsuki, Hiyoshizo, Ushio, Yasuyuki, Ochi, Masamitsu

Journal:

Year:

1987

Language:

english

File:

PDF, 100 KB

english, 1987

19

THE STRUCTURES OF OHCHINOLIDE A AND B, TWO NEW LIMONOIDS FROM MELIA AZEDARACH LINN. VAR. JAPONICA MAKINO

Ochi, Masamitsu, Kotsuki, Hiyoshizo, Ido, Mitsuhiro, Nakai, Hiroshi, Shiro, Motoo, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1979

Language:

english

File:

PDF, 5.61 MB

english, 1979

20

A novel carbon-carbon bond-forming reaction of triflates with copper(I)-catalyzed Grignard reagents. A new concise and enantiospecific synthesis of (+)-exo-brevicomin, (5R,6S)-(-)-6-acetoxy-5-hexadecanolide, and L-factor

Kotsuki, Hiyoshizo, Kadota, Isao, Ochi, Masamitsu

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 847 KB

english, 1990

21

Synthetic Studies of Diels–Alder Adduct of Furan. Formal Total Synthesis of (±)-Avenaciolide

Kotsuki, Hiyoshizo, Ohnishi, Hiroyuki, Akitomo, Yasuhiro, Ochi, Masamitsu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1986

File:

PDF, 681 KB

1986

22

LIMONOIDS FROM MELIA AZEDARACH LINN. VAR . JAPONICA MAKINO. II. THE NATURAL HYDROXYL PRECURSOR OF SENDANIN

Ochi, Masamitsu, Kotsuki, Hiyoshizo, Ishida, Hiroaki, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1978

Language:

english

File:

PDF, 5.72 MB

english, 1978

23

On the Structure of the Bitter Principle of Ilex oldhami Miq., Ilex pedunculosa Miq. and Ilex rotunda Thumb.

HASE, Tsunao, HAGII, Hidehiko, ISHIZU, Michiko, OCHI, Masamitsu, ICHIKAWA, Nobutaka, KUBOTA, Takashi

Journal:

NIPPON KAGAKU KAISHI

Year:

1973

File:

PDF, 2.07 MB

1973

24

Sendanin, a new limonoid from melia azedarach linn. var. japonica makino

Masamitsu Ochi, Hiyoshizo Kotsuki, Ken Hirotsu, Takashi Tokoroyama

Journal:

Tetrahedron Letters

Year:

1976

Language:

english

File:

PDF, 219 KB

english, 1976

25

NEW HYDROAZULENOID DITERPENES FROM THE MARINE ALGA DICTYOTA DICHOTOMA

Enoki, Nobuyasu, Ishida, Ryoichi, Urano, Shiro, Ochi, Masamitsu, Tokoroyama, Takashi, Matsumoto, Takeshi

Journal:

Chemistry Letters

Year:

1982

Language:

english

File:

PDF, 6.12 MB

english, 1982

26

ISOLATION OF 2-(3,7,11-TRIMETHYL-2,6,10-DODECATRIENYL)HYDROQUINONE FROM THE BROWN SEAWEED DICTIOPTERIS UNDULATA

Ochi, Masamitsu, Kotsuki, Hiyoshizo, Inoue, Satoko, Taniguchi, Makoto, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1979

Language:

english

File:

PDF, 3.17 MB

english, 1979

27

FACILE REDUCTION OF BENZENETHIOL ESTER UNDER MILD CONDITIONS WITH ZINC BOROHYDRIDE

Kotsuki, Hiyoshizo, Yoshimura, Naka, Ushio, Yasuyuki, Ohtsuka, Tatsuya, Ochi, Masamitsu

Journal:

Chemistry Letters

Year:

1986

Language:

english

File:

PDF, 2.92 MB

english, 1986

28

Bioactive Polyacetylenes from the Marine Sponge Petrosia sp.

Ochi, Masamitsu, Ariki, Saori, Tatsukawa, Akira, Kotsuki, Hiyoshizo, Fukuyama, Yoshiyasu, Shibata, Kozo

Journal:

Chemistry Letters

Year:

1994

File:

PDF, 488 KB

1994

29

On the Structure of the Bitter Principles of Ilex sugerokii Maxim. var. brevipedunculatan and var. longipedunculata

ICHIKAWA, Nobutaka, OCHI, Masamitsu, KUBOTA, Takashi

Journal:

NIPPON KAGAKU KAISHI

Year:

1973

File:

PDF, 2.48 MB

1973

30

Ytterbium(III) trifluoromethanesulfonate catalyzed high pressure reaction of epoxides with indole. An enantioselective synthesis of (+)-diolmycin A2

Hiyoshizo Kotsuki, Masahiro Teraguchi, Nami Shimomoto, Masamitsu Ochi

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 229 KB

english, 1996

31

Diffusion-weighted imaging (bvalue

Ochi, Miho, Kuroiwa, Toshiro, Sunami, Shunya, Murakami, Junji, Miyahara, Shinichiro, Nagaie, Takashi, Oya, Masafumi, Yabuuchi, Hidetake, Hatakenaka, Masamitsu

Journal:

Year:

2013

Language:

english

File:

PDF, 465 KB

english, 2013

32

AMIJIDICTYOL, A NEW DITERPENOID FROM THE BROWN SEAWEED DICTYOTA LINEARIS : X-RAY CRYSTAL AND MOLECULAR STRUCTURE

Ochi, Masamitsu, Watanabe, Masanori, Kido, Masaru, Ichikawa, Yasuji, Miura, Iwao, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1980

Language:

english

File:

PDF, 2.87 MB

english, 1980

33

Synthesis of novel chiral diazole ligands for enantioselective addition of diethylzinc to benzaldehyde

Hiyoshizo Kotsuki, Hiroyuki Hayakawa, Masahiro Wakao, Tomoyasu Shimanouchi, Masamitsu Ochi

Journal:

Tetrahedron: Asymmetry

Year:

1995

Language:

english

File:

PDF, 212 KB

english, 1995

34

Insect growth inhibitory cardenolide glycosides from Anodendron affine

Yoshiyasu Fukuyama, Masamitsu Ochi, Hideko Kasai, Mitsuaki Kodama

Journal:

Year:

1993

Language:

english

File:

PDF, 551 KB

english, 1993

35

Calicogorgins A, B, and C, three bioactive sphinganine derivatives from the gorgonian Calicogorgia sp.

Masamitsu Ochi, Koji Yamada, Hiroko Kawakami, Akira Tatsukawa, Hiyoshizo Kotsuki, Kozo Shibata

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 257 KB

english, 1992

36

Stereoselective reduction of bicyclic ketals. A new, enantioselective synthesis of isolaurepinnacin and lauthisan skeletons

Kotsuki, Hiyoshizo, Ushio, Yasuyuki, Kadota, Isao, Ochi, Masamitsu

Journal:

Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 1.24 MB

english, 1989

37

Bitter Diterpenoids from Rabdosia shikokiana (Makino) Hara

Ochi, Masamitsu, Okamura, Mitsuyuki, Kotsuki, Hiyoshizo, Miura, Iwao, Kubo, Isao, Kubota, Takashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1982

File:

PDF, 656 KB

1982

38

AMIJIOL, ISOAMIJIOL, AND 14-DEOXYAMIJIOL, THREE NEW DITERPENOIDS FROM THE BROWN SEAWEED DICTYOTA LINEARIS

Ochi, Masamitsu, Watanabe, Masanori, Miura, Iwao, Taniguchi, Makoto, Tokoroyama, Takashi

Journal:

Chemistry Letters

Year:

1980

Language:

english

File:

PDF, 8.05 MB

english, 1980

39

A novel synthesis of optically active C2-symmetric pyridine derivatives. Efficient reaction of chiral triflates with 2-picolyllithium reagents

Hiyoshizo Kotsuki, Yuichi Nakagawa, Narimasa Moriya, Hirotaka Tateishi, Masamitsu Ochi, Takayoshi Suzuki, Kiyoshi Isobe

Journal:

Tetrahedron: Asymmetry

Year:

1995

Language:

english

File:

PDF, 506 KB

english, 1995

40

Three-Dimensional Endoscopic Mode for Observation of Laryngeal Structures by Helical Computed Tomography

Eiji Yumoto, Tetsuji Sanuki, Masamitsu Hyodo, Yoshifumi Yasuhara, Takashi Ochi

Journal:

The Laryngoscope

Year:

1997

Language:

english

File:

PDF, 1.11 MB

english, 1997

41

An efficient method for the alkylation of chiral triflates with alkynyllithium reagents. A highly concise total synthesis of (+)-panaxacol

Hiyoshizo Kotsuki, Isao Kadota, Masamitsu Ochi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 225 KB

english, 1990

42

Highly practical, enantiospecific synthesis of the cyclohexyl fragment of the immunosuppressant FK-506

Kotsuki, Hiyoshizo, Nishikawa, Hideyuki, Mori, Yumi, Ochi, Masamitsu

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 764 KB

english, 1992

43

Skimmiarepin A and B, Two New Insect Growth Inhibitory Triterpenoids from Skimmia japonica Thunb. var. intermedia Komatsu f. repens (Nakai) Hara

Ochi, Masamitsu, Tatsukawa, Akira, Seki, Naoki, Kotsuki, Hiyoshizo, Shibata, Kozo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1988

File:

PDF, 713 KB

1988

44

Antioxidative Bromoindole Derivatives from the Mid-Intestinal Gland of the Muricid Gastropod Drupella fragum

Ochi, Masamitsu, Kataoka, Kumi, Ariki, Saori, Iwatsuki, Chie, Kodama, Mitsuaki, Fukuyama, Yoshiyasu

Journal:

Journal of Natural Products

Year:

1998

Language:

english

File:

PDF, 50 KB

english, 1998

45

Efficient Reduction of Acyl Chlorides with Zn(BH 4 ) 2 / N , N , N ′, N ′-Tetramethylethylenediamine

Kotsuki, Hiyoshizo, Ushio, Yasuyuki, Yoshimura, Naka, Ochi, Masamitsu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1988

File:

PDF, 410 KB

1988

46

The Structures of Rabdosianin A, B, and C, Three New Diterpenoids from Rabdosia shikokianus Hara

Ochi, Masamitsu, Okamura, Mitsuyuki, Kotsuki, Hiyoshizo, Miura, Iwao, Kubo, Isao, Kubota, Takashi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1981

File:

PDF, 615 KB

1981

47

Drastic Structural Change in Silver(I) Complexes with Alteration of the Optical Activity of a Pyridine Derivative Ligand: Helical Arrays with Extended Structure and an Optically Inactive Dinuclear Complex

Suzuki, Takayoshi, Kotsuki, Hiyoshizo, Isobe, Kiyoshi, Moriya, Narimasa, Nakagawa, Yuichi, Ochi, Masamitsu

Journal:

Inorganic Chemistry

Year:

1995

Language:

english

File:

PDF, 259 KB

english, 1995

48

EFFICIENT SYNTHESIS OF ACETOXYFIMBROLIDES AND BECKERELIDES ANALOGS

Kotsuki, Hiyoshizo, Monden, Mitsugu, Ochi, Masamitsu

Journal:

Chemistry Letters

Year:

1983

Language:

english

File:

PDF, 3.72 MB

english, 1983

49

Structure of linearol, a novel ditrepenoid from the brown seaweed Dictyota linearis

Ochi, Masamitsu, Miura, Iwao, Tokoroyama, Takashi

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1981

Language:

english

File:

PDF, 107 KB

english, 1981

50

Litophynin D and E, Two New Diterpenoids from a Soft Coral Litophyton sp.

Ochi, Masamitsu, Yamada, Koji, Futatsugi, Kensuke, Kotsuki, Hiyoshizo, Shibata, Kozo

Journal:

Chemistry Letters

Year:

1990

File:

PDF, 371 KB

1990

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